B06B1/00	7	Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency	B06B1/00	B06B1/00		371
B06B1/02	8	making use of electrical energy (B06B1/18, B06B1/20 take precedence)	B06B1/02	B06B1/02		970
B06B1/0207	9	{Driving circuits (specially adapted for particular applications, see the relevant subclass, e.g. G01; circuits for steering transducer arrays G10K11/34; basic circuits H03)}	B06B1/02	B06B1/02		770
B06B1/0215	10	{for generating pulses, e.g. bursts of oscillations, envelopes}	B06B1/02	B06B1/02		807
B06B1/0223	10	{for generating signals continuous in time}	B06B1/02	B06B1/02		190
B06B1/023	11	{and stepped in amplitude, e.g. square wave, 2-level signal}	B06B1/02	B06B1/02		94
B06B1/0238	11	{of a single frequency, e.g. a sine-wave}	B06B1/02	B06B1/02		148
B06B1/0246	12	{with a feedback signal}	B06B1/02	B06B1/02		134
B06B1/0253	13	{taken directly from the generator circuit}	B06B1/02	B06B1/02		317
B06B1/0261	13	{taken from a transducer or electrode connected to the driving transducer}	B06B1/02	B06B1/02		267
B06B1/0269	11	{for generating multiple frequencies}	B06B1/02	B06B1/02		190
B06B1/0276	12	{with simultaneous generation, e.g. with modulation, harmonics}	B06B1/02	B06B1/02		198
B06B1/0284	12	{with consecutive, i.e. sequential generation, e.g. with frequency sweep}	B06B1/02	B06B1/02		165
B06B1/0292	9	{Electrostatic transducers, e.g. electret-type}	B06B1/02	B06B1/02		1043
B06B1/04	9	operating with electromagnetism (dynamo-electric motors with vibrating magnet, armature or coil system H02K33/00)	B06B1/04	B06B1/04		955
B06B1/045	10	{using vibrating magnet, armature or coil system}	B06B1/04	B06B1/04		1553
B06B1/06	9	operating with piezoelectric effect or with electrostriction (piezoelectric or electrostrictive devices per seH10N30/00)	B06B1/06	B06B1/06		2314
B06B1/0603	10	{using a piezoelectric bender, e.g. bimorph}	B06B1/06	B06B1/06		508
B06B1/0607	10	{using multiple elements (B06B1/064 and B06B1/0688 take precedence)}	B06B1/06	B06B1/06		579
B06B1/0611	11	{in a pile}	B06B1/06	B06B1/06		458
B06B1/0614	12	{for generating several frequencies}	B06B1/06	B06B1/06		116
B06B1/0618	12	{of piezo- and non-piezoelectric elements, e.g. &apos;Tonpilz&apos;}	B06B1/06	B06B1/06		408
B06B1/0622	11	{on one surface}	B06B1/06	B06B1/06		1440
B06B1/0625	12	{Annular array}	B06B1/06	B06B1/06		202
B06B1/0629	12	{Square array}	B06B1/06	B06B1/06		640
B06B1/0633	12	{Cylindrical array}	B06B1/06	B06B1/06		289
B06B1/0637	12	{Spherical array}	B06B1/06	B06B1/06		91
B06B1/064	12	{with multiple active layers}	B06B1/06	B06B1/06		141
B06B1/0644	10	{using a single piezoelectric element (B06B1/0688 takes precedence)}	B06B1/06	B06B1/06		793
B06B1/0648	11	{of rectangular shape}	B06B1/06	B06B1/06		206
B06B1/0651	11	{of circular shape}	B06B1/06	B06B1/06		311
B06B1/0655	11	{of cylindrical shape}	B06B1/06	B06B1/06		350
B06B1/0659	11	{of U-shape}	B06B1/06	B06B1/06		20
B06B1/0662	11	{with an electrode on the sensitive surface}	B06B1/06	B06B1/06		228
B06B1/0666	12	{used as a diaphragm}	B06B1/06	B06B1/06		203
B06B1/067	12	{which is used as, or combined with, an impedance matching layer}	B06B1/06	B06B1/06		349
B06B1/0674	12	{and a low impedance backing, e.g. air}	B06B1/06	B06B1/06		98
B06B1/0677	12	{and a high impedance backing}	B06B1/06	B06B1/06		102
B06B1/0681	12	{and a damping structure}	B06B1/06	B06B1/06		152
B06B1/0685	13	{on the back only of piezoelectric elements}	B06B1/06	B06B1/06		155
B06B1/0688	10	{with foil-type piezoelectric elements, e.g. PVDF}	B06B1/06	B06B1/06		454
B06B1/0692	11	{with a continuous electrode on one side and a plurality of electrodes on the other side}	B06B1/06	B06B1/06		100
B06B1/0696	11	{with a plurality of electrodes on both sides}	B06B1/06	B06B1/06		49
B06B1/08	9	operating with magnetostriction (magnetostrictive devices per seH10N30/00)	B06B1/08	B06B1/08		459
B06B1/085	10	{using multiple elements, e.g. arrays}	B06B1/08	B06B1/08		179
B06B1/10	8	making use of mechanical energy (B06B1/18, B06B1/20 take precedence)	B06B1/10	B06B1/10		468
B06B1/12	9	operating with systems involving reciprocating masses	B06B1/12	B06B1/12		261
B06B1/14	10	the masses being elastically coupled	B06B1/14	B06B1/14		176
B06B1/16	9	operating with systems involving rotary unbalanced masses	B06B1/16	B06B1/16		890
B06B1/161	10	{Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied}	B06B1/16	B06B1/16		278
B06B1/162	11	{Making use of masses with adjustable amount of eccentricity}	B06B1/16	B06B1/16		276
B06B1/163	12	{the amount of eccentricity being only adjustable when the system is stationary (B06B1/165 takes precedence)}	B06B1/16	B06B1/16		112
B06B1/164	12	{the amount of eccentricity being automatically variable as a function of the running condition, e.g. speed, direction (B06B1/165 takes precedence)}	B06B1/16	B06B1/16		172
B06B1/165	12	{with fluid masses or the like}	B06B1/16	B06B1/16		50
B06B1/166	11	{Where the phase-angle of masses mounted on counter-rotating shafts can be varied, e.g. variation of the vibration phase}	B06B1/16	B06B1/16		489
B06B1/167	10	{Orbital vibrators having masses being driven by planetary gearings, rotating cranks or the like}	B06B1/16	B06B1/16		187
B06B1/168	11	{Rotary pendulum vibrators}	B06B1/16	B06B1/16		94
B06B1/18	8	wherein the vibrator is actuated by pressure fluid (B06B1/20 takes precedence)	B06B1/18	B06B1/18		302
B06B1/183	9	{operating with reciprocating masses}	B06B1/18	B06B1/18		566
B06B1/186	9	{operating with rotary unbalanced masses}	B06B1/18	B06B1/18		292
B06B1/20	8	making use of a vibrating fluid {(whistles or sirens per seG10K)}	B06B1/20	B06B1/20		209
B06B3/00	7	Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency	B06B3/00	B06B3/00		1866
B06B3/02	8	involving a change of amplitude	B06B3/02	B06B3/02		399
B06B3/04	8	involving focusing or reflecting	B06B3/04	B06B3/04		126
B06B2201/00	7	Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups	CPCONLY	B06B2201/00		6
B06B2201/20	8	Application to multi-element transducer	CPCONLY	B06B2201/20		165
B06B2201/30	8	with electronic damping	CPCONLY	B06B2201/30		60
B06B2201/40	8	with testing, calibrating, safety devices, built-in protection, construction details	CPCONLY	B06B2201/40		248
B06B2201/50	8	Application to a particular transducer type	CPCONLY	B06B2201/50		10
B06B2201/51	9	Electrostatic transducer	CPCONLY	B06B2201/51		102
B06B2201/52	9	Electrodynamic transducer	CPCONLY	B06B2201/52		35
B06B2201/53	10	with vibrating magnet or coil	CPCONLY	B06B2201/53		122
B06B2201/54	10	Electromagnetic acoustic transducers [EMAT]	CPCONLY	B06B2201/54		23
B06B2201/55	9	Piezoelectric transducer	CPCONLY	B06B2201/55		864
B06B2201/56	10	Foil type, e.g. PVDF	CPCONLY	B06B2201/56		45
B06B2201/57	9	Electrostrictive transducer	CPCONLY	B06B2201/57		20
B06B2201/58	9	Magnetostrictive transducer	CPCONLY	B06B2201/58		131
B06B2201/70	8	Specific application	CPCONLY	B06B2201/70		392
B06B2201/71	9	Cleaning in a tank	CPCONLY	B06B2201/71		209
B06B2201/72	9	Welding, joining, soldering	CPCONLY	B06B2201/72		162
B06B2201/73	9	Drilling	CPCONLY	B06B2201/73		48
B06B2201/74	9	Underwater	CPCONLY	B06B2201/74		169
B06B2201/75	9	Repelling animals, insects, humans	CPCONLY	B06B2201/75		78
B06B2201/76	9	Medical, dental	CPCONLY	B06B2201/76		983
B06B2201/77	9	Atomizers	CPCONLY	B06B2201/77		195
