G01D1/00	7	Measuring arrangements giving results other than momentary value of variable, of general application (G01D3/00 takes precedence; in tariff metering apparatus G01D4/00; transducers not specially adapted for a specific variable G01D5/00)	G01D1/00	G01D1/00		416
G01D1/02	8	giving mean values, e.g. root means square values (measuring root mean square values of currents or voltages G01R19/02)	G01D1/02	G01D1/02		305
G01D1/04	8	giving integrated values (giving mean values G01D1/02)	G01D1/04	G01D1/04		254
G01D1/06	9	by intermittent summation	G01D1/06	G01D1/06		29
G01D1/08	10	over fixed periods of time	G01D1/08	G01D1/08		28
G01D1/10	8	giving differentiated values	G01D1/10	G01D1/10		76
G01D1/12	8	giving a maximum or minimum of a value	G01D1/12	G01D1/12		149
G01D1/14	8	giving a distribution function of a value, i.e. number of times the value comes within specified ranges of amplitude	G01D1/14	G01D1/14		224
G01D1/16	8	giving a value which is a function of two or more values, e.g. product or ratio	G01D1/16	G01D1/16		334
G01D1/18	8	with arrangements for signalling that a predetermined value of an unspecified parameter has been exceeded (G01D1/14 takes precedence)	G01D1/18	G01D1/18		370
G01D3/00	7	Indicating or recording apparatus with provision for the special purposes referred to in the subgroups	G01D3/00	G01D3/00		150
G01D3/02	8	with provision for altering or correcting the law of variation	G01D3/02	G01D3/02		596
G01D3/021	9	{using purely analogue techniques}	G01D3/02	G01D3/02		137
G01D3/022	9	{having an ideal characteristic, map or correction data stored in a digital memory}	G01D3/02	G01D3/02		619
G01D3/024	9	for range change; Arrangements for substituting one sensing member by another	G01D3/024	G01D3/024		136
G01D3/028	8	mitigating undesired influences, e.g. temperature, pressure	G01D3/028	G01D3/028		681
G01D3/032	9	affecting incoming signal, e.g. by averaging; gating undesired signals	G01D3/032	G01D3/032		382
G01D3/036	9	on measuring arrangements themselves	G01D3/036	G01D3/036		693
G01D3/0365	10	{the undesired influence being measured using a separate sensor, which produces an influence related signal}	G01D3/036	G01D3/036		517
G01D3/06	8	with provision for operation by a null method	G01D3/06	G01D3/06		76
G01D3/063	9	{Comparing the measuring value with a reference value which periodically or incidentally scans the measuring range}	G01D3/06	G01D3/06		52
G01D3/066	9	{Balancing a force which represents the measuring value, by means of a reference force}	G01D3/06	G01D3/06		19
G01D3/08	8	with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown	G01D3/08	G01D3/08		1709
G01D3/10	8	with provision for switching-in of additional or auxiliary indicators or recorders	G01D3/10	G01D3/10		182
G01D4/00	7	Tariff metering apparatus (in taximeters G07B13/00; apparatus actuated by coins, cards or the like with meter-controlled dispensing of liquid, gas, or electricity G07F15/00)	G01D4/00	G01D4/00		568
G01D4/002	8	{Remote reading of utility meters}	G01D4/00	G01D4/00		1222
G01D4/004	9	{Remote reading of utility meters to a fixed location}	G01D4/00	G01D4/00		1404
G01D4/006	9	{Remote reading of utility meters to a non-fixed location, i.e. mobile location}	G01D4/00	G01D4/00		302
G01D4/008	8	{Modifications to installed utility meters to enable remote reading}	G01D4/00	G01D4/00		444
G01D4/02	8	Details	G01D4/02	G01D4/02		378
G01D4/04	9	Resetting-mechanisms, e.g. for indicating members	G01D4/04	G01D4/04		11
G01D4/06	9	Arrangement of clutches between driving and indicating member, e.g. of hysteresis clutch (G01D4/04 takes precedence)	G01D4/06	G01D4/06		7
G01D4/08	9	Transfer of indication from a counter into a summing counter	G01D4/08	G01D4/08		30
G01D4/10	8	Maximum indicating or recording apparatus, i.e. where the tariff for a period is based on a maximum demand within that period	G01D4/10	G01D4/10		69
G01D4/12	9	Apparatus for indicating or recording progressive maximum	G01D4/12	G01D4/12		4
G01D4/14	9	Fixed-demand indicating or recording apparatus, i.e. where indication is made when a predetermined quantity has been consumed during a time interval greater or less than a predetermined time interval	G01D4/14	G01D4/14		54
G01D4/16	8	Apparatus for indicating or recording maximum or minimum load hours	G01D4/16	G01D4/16		16
G01D4/18	8	Apparatus for indicating or recording overconsumption with opposing torque which comes into effect when a predetermined level is exceeded, e.g. subtraction meters	G01D4/18	G01D4/18		19
G01D5/00	7	Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable (G01D3/00 takes precedence; specially adapted for apparatus giving results other than momentary value of variable G01D1/00)<br><br><u>NOTE</u><br><br>The subgroups of this main group are distinguished by the means which is of major importance. Thus the mere application of other means for giving a final indication does not affect the classification.	G01D5/00	G01D5/00		508
G01D5/02	8	using mechanical means	G01D5/02	G01D5/02		346
G01D5/04	9	using levers; using cams; using gearing	G01D5/04	G01D5/04		794
G01D5/06	9	acting through a wall or enclosure, e.g. by bellows, by magnetic coupling	G01D5/06	G01D5/06		161
G01D5/08	9	Reducing the effects of friction, e.g. by applying vibrations	G01D5/08	G01D5/08		10
G01D5/10	9	Applying external forces to increase force available for operation of indicating or recording part	G01D5/10	G01D5/10		60
G01D5/12	8	using electric or magnetic means (G01D5/06 takes precedence)	G01D5/12	G01D5/12		2436
G01D5/125	9	{characterised by a first part whose movement represents the measuring value, and by a second part which is moved by an external force in order to follow the movement of the first part}	G01D5/12	G01D5/12		59
G01D5/14	9	influencing the magnitude of a current or voltage	G01D5/14	G01D5/14		1479
G01D5/142	10	{using Hall-effect devices (measuring magnetic variables using Hall-effect or other galvanomagnetic devices G01R33/06)}	G01D5/14	G01D5/14		981
G01D5/145	11	{influenced by the relative movement between the Hall device and magnetic fields (seeG01R33/06)}	G01D5/14	G01D5/14		5966
G01D5/147	11	{influenced by the movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other}	G01D5/14	G01D5/14		1003
G01D5/16	10	by varying resistance	G01D5/16	G01D5/16		1238
G01D5/165	11	by relative movement of a point of contact {or actuation} and a resistive track	G01D5/165	G01D5/165		647
G01D5/1655	12	{more than one point of contact or actuation on one or more tracks}	G01D5/165	G01D5/165		143
G01D5/18	10	by varying effective impedance of discharge tubes or semiconductor devices	G01D5/18	G01D5/18		97
G01D5/183	11	{Sensing rotation or linear movement using strain, force or pressure sensors}	G01D5/18	G01D5/18		45
G01D5/185	12	{using piezoelectric sensors}	G01D5/18	G01D5/18		73
G01D5/20	10	by varying inductance, e.g. by a movable armature	G01D5/20	G01D5/20		1379
G01D5/2006	11	{by influencing the self-induction of one or more coils (G01D5/22 takes precedence)}	G01D5/20	G01D5/20		438
G01D5/2013	12	{by a movable ferromagnetic element, e.g. a core (G01D5/2033 takes precedence)}	G01D5/20	G01D5/20		912
G01D5/202	12	{by movable a non-ferromagnetic conductive element (G01D5/2033 takes precedence)}	G01D5/20	G01D5/20		545
G01D5/2026	13	{constituting a short-circuiting element}	G01D5/20	G01D5/20		82
G01D5/2033	12	{controlling the saturation of a magnetic circuit by means of a movable element, e.g. a magnet}	G01D5/20	G01D5/20		294
G01D5/204	11	{by influencing the mutual induction between two or more coils (G01D5/22 takes precedence)}	G01D5/20	G01D5/20		438
G01D5/2046	12	{by a movable ferromagnetic element, e.g. a core}	G01D5/20	G01D5/20		648
G01D5/2053	12	{by a movable non-ferromagnetic conductive element}	G01D5/20	G01D5/20		625
G01D5/206	13	{constituting a short-circuiting element}	G01D5/20	G01D5/20		83
G01D5/2066	12	{by movement of a single coil with respect to a single other coil}	G01D5/20	G01D5/20		182
G01D5/2073	12	{by movement of a single coil with respect to two or more coils}	G01D5/20	G01D5/20		412
G01D5/208	13	{using polyphase currents}	G01D5/20	G01D5/20		97
G01D5/2086	12	{by movement of two or more coils with respect to two or more other coils}	G01D5/20	G01D5/20		212
G01D5/2093	13	{using polyphase currents}	G01D5/20	G01D5/20		36
G01D5/22	11	differentially influencing two coils	G01D5/22	G01D5/22		171
G01D5/2208	12	{by influencing the self-induction of the coils}	G01D5/22	G01D5/22		66
G01D5/2216	13	{by a movable ferromagnetic element, e.g. a core}	G01D5/22	G01D5/22		251
G01D5/2225	13	{by a movable non-ferromagnetic conductive element}	G01D5/22	G01D5/22		73
G01D5/2233	14	{constituting a short-circuiting element}	G01D5/22	G01D5/22		17
G01D5/2241	13	{by controlling the saturation of a magnetic circuit by means of a movable element, e.g. a magnet}	G01D5/22	G01D5/22		46
G01D5/225	12	{by influencing the mutual induction between the two coils}	G01D5/22	G01D5/22		92
G01D5/2258	13	{by a movable ferromagnetic element, e.g. core}	G01D5/22	G01D5/22		170
G01D5/2266	14	{specially adapted circuits therefor}	G01D5/22	G01D5/22		51
G01D5/2275	13	{by a movable non-ferromagnetic conductive element}	G01D5/22	G01D5/22		55
G01D5/2283	14	{constituting a short-circuiting element}	G01D5/22	G01D5/22		31
G01D5/2291	12	{Linear or rotary variable differential transformers (LVDTs/RVDTs) having a single primary coil and two secondary coils}	G01D5/22	G01D5/22		416
G01D5/24	10	by varying capacitance	G01D5/24	G01D5/24		1702
G01D5/2403	11	{by moving plates, not forming part of the capacitor itself, e.g. shields}	G01D5/24	G01D5/24		133
G01D5/2405	11	{by varying dielectric}	G01D5/24	G01D5/24		492
G01D5/241	11	by relative movement of capacitor electrodes	G01D5/241	G01D5/241		220
G01D5/2412	12	{by varying overlap}	G01D5/241	G01D5/241		327
G01D5/2415	13	{adapted for encoders}	G01D5/241	G01D5/241		340
G01D5/2417	12	{by varying separation}	G01D5/241	G01D5/241		585
G01D5/242	10	by carrying output of an electrodynamic device, e.g. a tachodynamo	G01D5/242	G01D5/242		94
G01D5/243	9	influencing the phase or frequency of AC	G01D5/243	G01D5/243		487
G01D5/244	9	influencing characteristics of pulses or pulse trains; generating pulses or pulse trains	G01D5/244	G01D5/244		955
G01D5/24404	10	{Interpolation using high frequency signals}	G01D5/244	G01D5/244		271
G01D5/24409	10	{Interpolation using memories}	G01D5/244	G01D5/244		129
G01D5/24414	10	{Encoders having selectable interpolation factors}	G01D5/244	G01D5/244		17
G01D5/24419	10	{Interpolation not coverd by groups G01D5/24404, G01D5/24409 or G01D5/24414}	G01D5/244	G01D5/244		43
G01D5/24423	10	{Mounting means or means for restraining during shipping (G01D5/24442 takes precedence)}	G01D5/244	G01D5/244		58
G01D5/24428	10	{Error prevention}	G01D5/244	G01D5/244		120
G01D5/24433	11	{by mechanical means}	G01D5/244	G01D5/244		92
G01D5/24438	12	{Special design of the sensing element or scale}	G01D5/244	G01D5/244		260
G01D5/24442	12	{by mounting means}	G01D5/244	G01D5/244		295
G01D5/24447	11	{by energy backup}	G01D5/244	G01D5/244		25
G01D5/24457	10	{Failure detection}	G01D5/244	G01D5/244		192
G01D5/24461	11	{by redundancy or plausibility}	G01D5/244	G01D5/244		300
G01D5/24466	11	{Comparison of the error value to a threshold}	G01D5/244	G01D5/244		143
G01D5/24471	10	{Error correction}	G01D5/244	G01D5/244		95
G01D5/24476	11	{Signal processing (G01D5/2448&#160;-&#160;G01D5/24495 take precedence)}	G01D5/244	G01D5/244		576
G01D5/2448	11	{Correction of gain, threshold, offset or phase control}	G01D5/244	G01D5/244		531
G01D5/24485	11	{using other sensors}	G01D5/244	G01D5/244		185
G01D5/2449	11	{using hard-stored calibration data}	G01D5/244	G01D5/244		321
G01D5/24495	11	{using previous values}	G01D5/244	G01D5/244		101
G01D5/245	10	using a variable number of pulses in a train	G01D5/245	G01D5/245		849
G01D5/2451	11	{Incremental encoders (G01D5/2454 takes precedence)}	G01D5/245	G01D5/245		1323
G01D5/2452	12	{incorporating two or more tracks having an (n, n+1, ...) relationship}	G01D5/245	G01D5/245		235
G01D5/2454	11	{Encoders incorporating incremental and absolute signals}	G01D5/245	G01D5/245		162
G01D5/2455	12	{with incremental and absolute tracks on the same encoder}	G01D5/245	G01D5/245		229
G01D5/2457	13	{Incremental encoders having reference marks}	G01D5/245	G01D5/245		634
G01D5/2458	12	{with incremental and absolute tracks on separate encoders}	G01D5/245	G01D5/245		93
G01D5/246	10	by varying the duration of individual pulses	G01D5/246	G01D5/246		153
G01D5/247	10	using time shifts of pulses	G01D5/247	G01D5/247		185
G01D5/248	10	by varying pulse repetition frequency	G01D5/248	G01D5/248		95
G01D5/249	10	using pulse code	G01D5/249	G01D5/249		201
G01D5/2492	11	{Pulse stream}	G01D5/249	G01D5/249		260
G01D5/2495	12	{Pseudo-random code}	G01D5/249	G01D5/249		85
G01D5/2497	11	{Absolute encoders (G01D5/2454 takes precedence)}	G01D5/249	G01D5/249		492
G01D5/25	9	Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts	G01D5/25	G01D5/25		231
G01D5/251	10	one conductor or channel	G01D5/251	G01D5/251		53
G01D5/2515	11	{with magnetically controlled switches, e.g. by movement of a magnet}	G01D5/251	G01D5/251		156
G01D5/252	10	a combination of conductors or channels	G01D5/252	G01D5/252		141
G01D5/2525	11	{with magnetically controlled switches, e.g. by movement of a magnet}	G01D5/252	G01D5/252		20
G01D5/26	8	characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light	G01D5/26	G01D5/26		1992
G01D5/262	9	{with optical projection of a pointer or a scale}	G01D5/26	G01D5/26		65
G01D5/264	9	{Mechanical constructional elements therefor (G01D5/28, G01D5/32, G01D5/39 and G01D5/40 take precedence); Mechanical adjustment thereof}	G01D5/26	G01D5/26		240
G01D5/266	9	{by interferometric means (G01D5/353 takes precedence)}	G01D5/26	G01D5/26		594
G01D5/268	9	{using optical fibres (G01D5/28 - G01D5/38 take precedence)}	G01D5/26	G01D5/26		1730
G01D5/28	9	with deflection of beams of light, e.g. for direct optical indication (G01D5/40 takes precedence; {mechanical adjustment G01D5/264})	G01D5/28	G01D5/28		204
G01D5/285	10	{using a movable mirror}	G01D5/28	G01D5/28		98
G01D5/30	10	the beams of light being detected by photocells	G01D5/30	G01D5/30		636
G01D5/305	11	{controlling the movement of a following part}	G01D5/30	G01D5/30		58
G01D5/32	9	with attenuation or whole or partial obturation of beams of light (G01D5/40 takes precedence {; mechanical adjustment G01D5/264})	G01D5/32	G01D5/32		209
G01D5/34	10	the beams of light being detected by photocells	G01D5/34	G01D5/34		1037
G01D5/341	11	{controlling the movement of a following part}	G01D5/34	G01D5/34		72
G01D5/342	11	{the sensed object being the obturating part}	G01D5/34	G01D5/34		321
G01D5/344	11	{using polarisation (G01D5/35303 takes precedence)}	G01D5/34	G01D5/34		236
G01D5/345	12	{Polarising encoders}	G01D5/34	G01D5/34		146
G01D5/347	11	using displacement encoding scales	G01D5/347	G01D5/347		786
G01D5/34707	12	{Scales; Discs, e.g. fixation, fabrication, compensation}	G01D5/347	G01D5/347		858
G01D5/34715	13	{Scale reading or illumination devices}	G01D5/347	G01D5/347		1055
G01D5/34723	14	{involving light-guides}	G01D5/347	G01D5/347		230
G01D5/3473	12	{Circular or rotary encoders}	G01D5/347	G01D5/347		1353
G01D5/34738	13	{Axles; Driving or coupling means}	G01D5/347	G01D5/347		326
G01D5/34746	12	{Linear encoders}	G01D5/347	G01D5/347		424
G01D5/34753	13	{Carriages; Driving or coupling means}	G01D5/347	G01D5/347		222
G01D5/34761	13	{Protection devices, e.g. caps; Blowing devices}	G01D5/347	G01D5/347		77
G01D5/34769	14	{Sealing means}	G01D5/347	G01D5/347		63
G01D5/34776	12	{Absolute encoders with analogue or digital scales}	G01D5/347	G01D5/347		304
G01D5/34784	13	{with only analogue scales or both analogue and incremental scales}	G01D5/347	G01D5/347		150
G01D5/34792	13	{with only digital scales or both digital and incremental scales}	G01D5/347	G01D5/347		527
G01D5/34794	14	{Optical encoders using the Vernier principle, i.e. incorporating two or more tracks having a (n, n+1, ...) relationship}	G01D5/347	G01D5/347		81
G01D5/353	11	influencing the transmission properties of an optical fibre	G01D5/353	G01D5/353		1205
G01D5/35303	12	{using a reference fibre, e.g. interferometric devices}	G01D5/353	G01D5/353		490
G01D5/35306	12	{using an interferometer arrangement}	G01D5/353	G01D5/353		341
G01D5/35309	13	{using multiple waves interferometer}	G01D5/353	G01D5/353		29
G01D5/35312	14	{using a Fabry Perot}	G01D5/353	G01D5/353		519
G01D5/35316	14	{using a Bragg gratings}	G01D5/353	G01D5/353		1147
G01D5/35319	14	{using other multiple wave interferometer}	G01D5/353	G01D5/353		18
G01D5/35322	13	{using interferometer with one loop with several directions of circulation of the light, e.g. Sagnac interferometer}	G01D5/353	G01D5/353		66
G01D5/35325	13	{using interferometer with two arms in reflection, e.g. Mickelson interferometer}	G01D5/353	G01D5/353		139
G01D5/35329	13	{using interferometer with two arms in transmission, e.g. Mach-Zender interferometer}	G01D5/353	G01D5/353		266
G01D5/35332	13	{using other interferometers}	G01D5/353	G01D5/353		33
G01D5/35335	13	{Aspects of emitters or receivers used by an interferometer in an optical fibre sensor arrangement (using multiple sensor devices using multiplexing techniques G01D5/35383)}	G01D5/353	G01D5/353		72
G01D5/35338	12	{using other arrangements than interferometer arrangements}	G01D5/353	G01D5/353		73
G01D5/35341	13	{Sensor working in transmission}	G01D5/353	G01D5/353		64
G01D5/35345	14	{using Amplitude variations to detect the measured quantity}	G01D5/353	G01D5/353		182
G01D5/35348	14	{using stimulated emission to detect the measured quantity}	G01D5/353	G01D5/353		37
G01D5/35351	14	{using other means to detect the measured quantity}	G01D5/353	G01D5/353		54
G01D5/35354	13	{Sensor working in reflection}	G01D5/353	G01D5/353		308
G01D5/35358	14	{using backscattering to detect the measured quantity}	G01D5/353	G01D5/353		368
G01D5/35361	15	{using elastic backscattering to detect the measured quantity, e.g. using Rayleigh backscattering}	G01D5/353	G01D5/353		512
G01D5/35364	15	{using inelastic backscattering to detect the measured quantity, e.g. using Brillouin or Raman backscattering}	G01D5/353	G01D5/353		536
G01D5/35367	14	{using reflected light other than backscattered to detect the measured quantity}	G01D5/353	G01D5/353		90
G01D5/3537	12	{Optical fibre sensor using a particular arrangement of the optical fibre itself}	G01D5/353	G01D5/353		225
G01D5/35374	13	{Particular layout of the fiber}	G01D5/353	G01D5/353		294
G01D5/35377	13	{Means for amplifying or modifying the measured quantity}	G01D5/353	G01D5/353		191
G01D5/3538	13	{using a particular type of fiber, e.g. fibre with several cores, PANDA fiber, fiber with an elliptic core or the like}	G01D5/353	G01D5/353		391
G01D5/35383	12	{using multiple sensor devices using multiplexing techniques}	G01D5/353	G01D5/353		443
G01D5/35387	13	{using wavelength division multiplexing}	G01D5/353	G01D5/353		260
G01D5/3539	13	{using time division multiplexing}	G01D5/353	G01D5/353		92
G01D5/35393	13	{using frequency division multiplexing}	G01D5/353	G01D5/353		38
G01D5/35396	13	{using other forms of multiplexing}	G01D5/353	G01D5/353		35
G01D5/36	11	Forming the light into pulses	G01D5/36	G01D5/36		958
G01D5/363	12	{Direction discrimination}	G01D5/36	G01D5/36		151
G01D5/366	12	{Particular pulse shapes}	G01D5/36	G01D5/36		247
G01D5/38	12	by diffraction gratings	G01D5/38	G01D5/38		1407
G01D5/39	9	Scanning a visible indication of the measured value and reproducing this indication at the remote place, e.g. on the screen of a cathode ray tube {(mechanical adjustment G01D5/264)}	G01D5/39	G01D5/39		262
G01D5/40	9	specially adapted for use with infrared light {(mechanical adjustment G01D5/264)}	G01D5/40	G01D5/40		105
G01D5/42	8	using fluid means	G01D5/42	G01D5/42		203
G01D5/425	9	{characterised by a first part whose movement represents the measuring value, and by a second part which is moved by an external force in order to follow the movement of the first part}	G01D5/42	G01D5/42		17
G01D5/44	9	using jets of fluid	G01D5/44	G01D5/44		37
G01D5/46	10	by deflecting or throttling the flow	G01D5/46	G01D5/46		46
G01D5/48	8	using wave or particle radiation means (G01D5/26 takes precedence)	G01D5/48	G01D5/48		576
G01D5/485	9	{using magnetostrictive devices}	G01D5/48	G01D5/48		277
G01D5/50	9	derived from a radioactive source	G01D5/50	G01D5/50		22
G01D5/52	10	detected by a counter tube	G01D5/52	G01D5/52		8
G01D5/54	8	using means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48<br><br><u>NOTE</u><br><br>For a combination of two or more of the means specified, the first applicable one of the subgroups below takes precedence over any others of these groups.<br>Classification is made in this group only if no other group can be selected as being predominantly applicable.	G01D5/54	G01D5/54		58
G01D5/56	9	using electric or magnetic means	G01D5/56	G01D5/56		173
G01D5/58	9	using optical means, i.e. using infrared, visible or ultraviolet light	G01D5/58	G01D5/58		101
G01D5/60	9	using fluid means	G01D5/60	G01D5/60		7
G01D5/62	9	using wave or particle radiation means not covered by group G01D5/58	G01D5/62	G01D5/62		19
G01D7/00	7	Indicating measured values	G01D7/00	G01D7/00		1159
G01D7/002	8	{giving both analog and numerical indication}	G01D7/00	G01D7/00		438
G01D7/005	8	{Indication of measured value by colour change}	G01D7/00	G01D7/00		377
G01D7/007	8	{Indication of measured value by tactile means}	G01D7/00	G01D7/00		32
G01D7/02	8	Indicating value of two or more variables simultaneously	G01D7/02	G01D7/02		449
G01D7/04	9	using a separate indicating element for each variable	G01D7/04	G01D7/04		376
G01D7/06	10	Luminous indications projected on a common screen	G01D7/06	G01D7/06		260
G01D7/08	9	using a common indicating element for two or more variables	G01D7/08	G01D7/08		254
G01D7/10	10	giving indication in co-ordinate form	G01D7/10	G01D7/10		70
G01D7/12	8	Audible indication of meter readings, e.g. for the blind	G01D7/12	G01D7/12		246
G01D9/00	7	Recording measured values	G01D9/00	G01D9/00		656
G01D9/005	8	{Solid-state data loggers}	G01D9/00	G01D9/00		930
G01D9/007	9	{Data loggers attached to transport containers for perishable products, e.g. food or medicines}	G01D9/00	G01D9/00		124
G01D9/02	8	Producing one or more recordings of the values of a single variable	G01D9/02	G01D9/02		188
G01D9/04	9	with provision for multiple or alternative recording	G01D9/04	G01D9/04		25
G01D9/06	10	Multiple recording, e.g. duplicating	G01D9/06	G01D9/06		47
G01D9/08	11	giving both graphical and numerical recording	G01D9/08	G01D9/08		57
G01D9/10	9	the recording element, e.g. stylus, being controlled in accordance with the variable, and the recording medium, e.g. paper roll, being controlled in accordance with time	G01D9/10	G01D9/10		96
G01D9/12	10	recording occurring continuously	G01D9/12	G01D9/12		87
G01D9/14	11	with provision for altering speed of recording medium in accordance with the magnitude of the variable to be recorded	G01D9/14	G01D9/14		27
G01D9/16	10	recording occurring at separated intervals, e.g. by chopper bar	G01D9/16	G01D9/16		212
G01D9/18	11	recording element actuated only upon change in value of variable	G01D9/18	G01D9/18		14
G01D9/20	9	the recording element, e.g. stylus, being controlled in accordance with time and the recording medium, e.g. paper roll, being controlled in accordance with the variable	G01D9/20	G01D9/20		34
G01D9/22	10	recording occurring continuously	G01D9/22	G01D9/22		9
G01D9/24	10	recording occurring at separated intervals, e.g. by chopper bar	G01D9/24	G01D9/24		15
G01D9/26	9	either the recording element, e.g. stylus, or the recording medium, e.g. paper roll, being controlled in accordance with both time and the variable	G01D9/26	G01D9/26		12
G01D9/28	8	Producing one or more recordings, each recording being of the values of two or more different variables (G01D9/38, G01D9/40 take precedence)	G01D9/28	G01D9/28		446
G01D9/285	9	{producing additional marks (e.g. reference lines time marks)}	G01D9/28	G01D9/28		153
G01D9/30	9	there being a separate recording element for each variable, e.g. multiple-pen recorder	G01D9/30	G01D9/30		235
G01D9/32	9	there being a common recording element for two or more variables	G01D9/32	G01D9/32		118
G01D9/34	10	the variables being recorded in a predetermined sequence	G01D9/34	G01D9/34		160
G01D9/36	11	in separate columns	G01D9/36	G01D9/36		26
G01D9/38	8	Producing one or more recordings, each recording being produced by controlling the recording element, e.g. stylus, in accordance with one variable and controlling the recording medium, e.g. paper roll, in accordance with another variable	G01D9/38	G01D9/38		119
G01D9/40	8	Producing one or more recordings, each recording being produced by controlling either the recording element, e.g. stylus or the recording medium, e.g. paper roll, in accordance with two or more variables	G01D9/40	G01D9/40		139
G01D9/42	8	Recording indications of measuring instruments by photographic means, e.g. of counters	G01D9/42	G01D9/42		118
G01D11/00	7	Component parts of measuring arrangements not specially adapted for a specific variable (G01D13/00, G01D15/00 take precedence)	G01D11/00	G01D11/00		4118
G01D11/02	8	Bearings or suspensions for moving parts	G01D11/02	G01D11/02		319
G01D11/04	9	Knive-edge bearings	G01D11/04	G01D11/04		8
G01D11/06	9	Strip or thread suspensions, e.g. in tension	G01D11/06	G01D11/06		79
G01D11/08	8	Elements for balancing moving parts	G01D11/08	G01D11/08		19
G01D11/10	8	Elements for damping the movement of parts	G01D11/10	G01D11/10		279
G01D11/12	9	using fluid damping	G01D11/12	G01D11/12		103
G01D11/14	9	using magnetic induction damping	G01D11/14	G01D11/14		34
G01D11/16	8	Elements for restraining, or preventing the movement of, parts, e.g. for zeroising (caging of moving parts when not in use G01D11/20)	G01D11/16	G01D11/16		1389
G01D11/18	9	Springs (G01D11/06 takes precedence)	G01D11/18	G01D11/18		268
G01D11/20	8	Caging devices for moving parts when not in use	G01D11/20	G01D11/20		87
G01D11/22	9	automatically actuated	G01D11/22	G01D11/22		17
G01D11/24	8	Housings {; Casings for instruments}	G01D11/24	G01D11/24		3101
G01D11/245	9	{Housings for sensors}	G01D11/24	G01D11/24		4926
G01D11/26	9	Windows; Cover glasses; Sealings therefor	G01D11/26	G01D11/26		956
G01D11/28	8	Structurally-combined illuminating devices	G01D11/28	G01D11/28		1705
G01D11/30	8	Supports specially adapted for an instrument; Supports specially adapted for a set of instruments	G01D11/30	G01D11/30		6328
G01D11/305	9	{Panel mounting of instruments}	G01D11/30	G01D11/30		165
G01D13/00	7	Component parts of indicators for measuring arrangements not specially adapted for a specific variable	G01D13/00	G01D13/00		355
G01D13/02	8	Scales; Dials	G01D13/02	G01D13/02		412
G01D13/04	9	Construction	G01D13/04	G01D13/04		327
G01D13/06	10	Moving bands (G01D13/10 takes precedence)	G01D13/06	G01D13/06		111
G01D13/08	10	Rotating drums (G01D13/10 takes precedence)	G01D13/08	G01D13/08		52
G01D13/10	10	with adjustable scales; with auxiliary scales, e.g. vernier	G01D13/10	G01D13/10		155
G01D13/12	9	Graduation	G01D13/12	G01D13/12		229
G01D13/14	10	for rotations of more than 360 degrees	G01D13/14	G01D13/14		27
G01D13/16	10	with staggered markings	G01D13/16	G01D13/16		13
G01D13/18	10	with raised or recessed markings	G01D13/18	G01D13/18		13
G01D13/20	10	with luminescent markings	G01D13/20	G01D13/20		112
G01D13/22	8	Pointers, e.g. settable pointer	G01D13/22	G01D13/22		564
G01D13/24	9	for indicating a maximum or minimum	G01D13/24	G01D13/24		96
G01D13/26	9	adapted to perform a further operation, e.g. making electrical contact	G01D13/26	G01D13/26		346
G01D13/265	10	{Pointers which conduct light}	G01D13/26	G01D13/26		235
G01D13/28	9	with luminescent markings	G01D13/28	G01D13/28		185
G01D15/00	7	Component parts of recorders for measuring arrangements not specially adapted for a specific variable	G01D15/00	G01D15/00		284
G01D15/005	8	{Effaceable recording}	G01D15/00	G01D15/00		35
G01D15/02	8	Styli or other recording elements acting to mechanically deform or perforate the recording surface (printing recording elements G01D15/20)	G01D15/02	G01D15/02		84
G01D15/04	9	acting to punch holes in the recording surface	G01D15/04	G01D15/04		27
G01D15/06	8	Electric recording elements, e.g. electrolytic	G01D15/06	G01D15/06		285
G01D15/08	9	for spark erosion	G01D15/08	G01D15/08		118
G01D15/10	8	Heated recording elements acting on heatsensitive layers	G01D15/10	G01D15/10		325
G01D15/12	8	Magnetic recording elements	G01D15/12	G01D15/12		102
G01D15/14	8	Optical recording elements; Recording elements using X-or nuclear radiation	G01D15/14	G01D15/14		722
G01D15/16	8	Recording elements transferring recording material, e.g. ink, to the recording surface (printing recording elements G01D15/20)	G01D15/16	G01D15/16		607
G01D15/18	9	Nozzles emitting recording material	G01D15/18	G01D15/18		314
G01D15/20	8	Recording elements for printing with ink or for printing by deformation or perforation of the recording surface, e.g. embossing	G01D15/20	G01D15/20		156
G01D15/22	8	Chopper bars for bringing recording element into contact with recording surface	G01D15/22	G01D15/22		79
G01D15/24	8	Drives for recording elements and surfaces not covered by G01D5/00	G01D15/24	G01D15/24		784
G01D15/26	9	operating by clockwork	G01D15/26	G01D15/26		47
G01D15/28	8	Holding means for recording surfaces; Guiding means for recording surfaces; Exchanging means for recording surfaces	G01D15/28	G01D15/28		488
G01D15/30	9	for foldable strip charts	G01D15/30	G01D15/30		58
G01D15/32	9	for circular charts	G01D15/32	G01D15/32		86
G01D15/34	8	Recording surfaces	G01D15/34	G01D15/34		136
G01D15/342	9	{of circular shape}	G01D15/34	G01D15/34		11
G01D15/345	9	{of cylindrical shape}	G01D15/34	G01D15/34		5
G01D15/347	9	{Strip or Tape}	G01D15/34	G01D15/34		10
G01D18/00	7	Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00	G01D18/00	G01D18/00		5432
G01D18/001	8	{Calibrating encoders}	G01D18/00	G01D18/00		605
G01D18/002	8	{Automatic recalibration (G01D18/008 takes precedence)}	G01D18/00	G01D18/00		241
G01D18/004	9	{Continuous recalibration}	G01D18/00	G01D18/00		137
G01D18/006	9	{Intermittent recalibration}	G01D18/00	G01D18/00		199
G01D18/008	8	{with calibration coefficients stored in memory}	G01D18/00	G01D18/00		649
G01D21/00	7	Measuring or testing not otherwise provided for	G01D21/00	G01D21/00		5196
G01D21/02	8	Measuring two or more variables by means not covered by a single other subclass	G01D21/02	G01D21/02		67600
G01D2204/00	7	Indexing scheme relating to details of tariff-metering apparatus	CPCONLY	G01D2204/00		1
G01D2204/10	8	Analysing; Displaying	CPCONLY	G01D2204/10		6
G01D2204/12	9	Determination or prediction of behaviour, e.g. likely power consumption or unusual usage patterns	CPCONLY	G01D2204/12		198
G01D2204/125	10	Utility meter reading systems specially adapted for determining the environmental impact of user behaviour	CPCONLY	G01D2204/125		43
G01D2204/14	9	Displaying of utility usage with respect to time, e.g. for monitoring evolution of usage or with respect to weather conditions	CPCONLY	G01D2204/14		166
G01D2204/16	9	Displaying of utility pricing or cost	CPCONLY	G01D2204/16		50
G01D2204/18	9	Remote displaying of utility meter readings	CPCONLY	G01D2204/18		170
G01D2204/20	8	Monitoring; Controlling	CPCONLY	G01D2204/20		8
G01D2204/22	9	Arrangements for detecting or reporting faults, outages or leaks	CPCONLY	G01D2204/22		111
G01D2204/24	9	Identification of individual loads, e.g. by analysing current/voltage waveforms	CPCONLY	G01D2204/24		203
G01D2204/26	9	Remote utility meter reading systems with control function, i.e. reading systems including mechanisms for turning on/off the supply	CPCONLY	G01D2204/26		25
G01D2204/28	9	Processes or tasks scheduled according to the power required, the power available or the power price	CPCONLY	G01D2204/28		20
G01D2204/30	8	Remote utility meter reading systems specially adapted for metering the generated energy or power	CPCONLY	G01D2204/30		21
G01D2204/35	9	Monitoring the performance of renewable electricity generating systems, e.g. of solar panels	CPCONLY	G01D2204/35		25
G01D2204/40	8	Networks; Topology	CPCONLY	G01D2204/40		10
G01D2204/43	9	Identification of a specific meter	CPCONLY	G01D2204/43		16
G01D2204/45	9	Utility meters networked together within a single building	CPCONLY	G01D2204/45		212
G01D2204/47	9	Methods for determining the topology or arrangement of meters in a network	CPCONLY	G01D2204/47		58
G01D2205/00	7	Indexing scheme relating to details of means for transferring or converting the output of a sensing member	CPCONLY	G01D2205/00		
G01D2205/10	8	Detecting linear movement	CPCONLY	G01D2205/10		26
G01D2205/14	9	by converting the linear movement into a rotary movement	CPCONLY	G01D2205/14		89
G01D2205/18	9	using magnetic means not otherwise provided for in this subclass	CPCONLY	G01D2205/18		88
G01D2205/20	8	Detecting rotary movement	CPCONLY	G01D2205/20		27
G01D2205/22	9	by converting the rotary movement into a linear movement	CPCONLY	G01D2205/22		129
G01D2205/24	9	using magnetic means not otherwise provided for in this subclass	CPCONLY	G01D2205/24		28
G01D2205/26	9	Details of encoders or position sensors specially adapted to detect rotation beyond a full turn of 360&#176;, e.g. multi-rotation	CPCONLY	G01D2205/26		519
G01D2205/28	9	The target being driven in rotation by additional gears	CPCONLY	G01D2205/28		211
G01D2205/40	8	Position sensors comprising arrangements for concentrating or redirecting magnetic flux	CPCONLY	G01D2205/40		208
G01D2205/50	8	Grounding or electrostatically shielding a position sensor or encoder	CPCONLY	G01D2205/50		34
G01D2205/60	8	Means for precisely aligning or centering the disk of a rotary encoder, e.g. fitting jigs	CPCONLY	G01D2205/60		73
G01D2205/70	8	Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets	CPCONLY	G01D2205/70		6
G01D2205/73	9	Targets mounted eccentrically with respect to the axis of rotation	CPCONLY	G01D2205/73		72
G01D2205/77	9	Specific profiles	CPCONLY	G01D2205/77		120
G01D2205/771	10	Toothed profiles	CPCONLY	G01D2205/771		48
G01D2205/772	11	Sawtooth profiles	CPCONLY	G01D2205/772		21
G01D2205/773	10	Spiral profiles	CPCONLY	G01D2205/773		63
G01D2205/774	10	Profiles with a discontinuity, e.g. edge or stepped profile	CPCONLY	G01D2205/774		55
G01D2205/775	10	Tapered profiles	CPCONLY	G01D2205/775		162
G01D2205/776	10	Cam-shaped profiles	CPCONLY	G01D2205/776		35
G01D2205/777	10	Whorl-shaped profiles	CPCONLY	G01D2205/777		63
G01D2205/80	8	Manufacturing details of magnetic targets for magnetic encoders	CPCONLY	G01D2205/80		341
G01D2205/85	8	Determining the direction of movement of an encoder, e.g. of an incremental encoder	CPCONLY	G01D2205/85		95
G01D2205/90	8	Two-dimensional encoders, i.e. having one or two codes extending in two directions	CPCONLY	G01D2205/90		141
G01D2205/95	8	Three-dimensional encoders, i.e. having codes extending in three directions	CPCONLY	G01D2205/95		24
G01D2207/00	7	Indexing scheme relating to details of indicating measuring values	CPCONLY	G01D2207/00		2
G01D2207/10	8	Displays which are primarily used in aircraft or display aircraft-specific information	CPCONLY	G01D2207/10		84
G01D2207/20	8	Displays for vehicles in which information is superimposed on an external view, e.g. heads-up displays or enhanced reality displays	CPCONLY	G01D2207/20		10
G01D2207/30	8	Displays providing further information, in addition to measured values, e.g. status	CPCONLY	G01D2207/30		84
G01D2213/00	7	Indexing scheme relating to constructional details of indicators	CPCONLY	G01D2213/00		11
G01D2213/10	8	Drivers for gauges	CPCONLY	G01D2213/10		68
G01D2213/20	8	Gauges having a single pointer and two or more scales	CPCONLY	G01D2213/20		29
G01D2218/00	7	Indexing scheme relating to details of testing or calibration	CPCONLY	G01D2218/00		9
G01D2218/10	8	Testing of sensors or measuring arrangements	CPCONLY	G01D2218/10		292
