H01P1/00	7	Auxiliary devices (coupling devices of the waveguide type H01P5/00)	H01P1/00	H01P1/00		562
H01P1/005	8	{Diode mounting means}	H01P1/00	H01P1/00		83
H01P1/02	8	Bends; Corners; Twists	H01P1/02	H01P1/02		271
H01P1/022	9	{in waveguides of polygonal cross-section (H01P1/065 takes precedence)}	H01P1/02	H01P1/02		119
H01P1/025	10	{in the E-plane}	H01P1/02	H01P1/02		72
H01P1/027	10	{in the H-plane}	H01P1/02	H01P1/02		40
H01P1/04	8	Fixed joints	H01P1/04	H01P1/04		299
H01P1/042	9	{Hollow waveguide joints}	H01P1/04	H01P1/04		547
H01P1/045	9	{Coaxial joints}	H01P1/04	H01P1/04		187
H01P1/047	9	{Strip line joints}	H01P1/04	H01P1/04		291
H01P1/06	8	Movable joints, e.g. rotating joints	H01P1/06	H01P1/06		103
H01P1/061	9	{the relative movement being a translation along an axis common to at least two rectilinear parts, e.g. expansion joints}	H01P1/06	H01P1/06		49
H01P1/062	9	{the relative movement being a rotation}	H01P1/06	H01P1/06		96
H01P1/063	10	{with a limited angle of rotation}	H01P1/06	H01P1/06		12
H01P1/064	11	{the axis of rotation being perpendicular to the transmission path, e.g. hinge joint}	H01P1/06	H01P1/06		39
H01P1/065	11	{the axis of rotation being parallel to the transmission path, e.g. stepped twist}	H01P1/06	H01P1/06		53
H01P1/066	10	{with an unlimited angle of rotation}	H01P1/06	H01P1/06		64
H01P1/067	11	{the energy being transmitted in only one line located on the axis of rotation}	H01P1/06	H01P1/06		178
H01P1/068	11	{the energy being transmitted in at least one ring-shaped transmission line located around the axis of rotation, e.g. "around the mast" rotary joint (H01P1/069 takes precedence; coaxial line with solid inner conductor H01P1/067)}	H01P1/06	H01P1/06		123
H01P1/069	11	{the energy being transmitted in at least one ring-shaped transmission line located around an axial transmission line; Concentric coaxial systems}	H01P1/06	H01P1/06		37
H01P1/08	8	Dielectric windows	H01P1/08	H01P1/08		513
H01P1/10	8	for switching or interrupting {(in systems using reflection or reradiation of radio, acoustic or other waves G01S7/034)}	H01P1/10	H01P1/10		506
H01P1/11	9	by ferromagnetic devices	H01P1/11	H01P1/11		176
H01P1/12	9	by mechanical chopper	H01P1/12	H01P1/12		226
H01P1/122	10	{Waveguide switches}	H01P1/12	H01P1/12		286
H01P1/125	10	{Coaxial switches}	H01P1/12	H01P1/12		480
H01P1/127	10	{Strip line switches}	H01P1/12	H01P1/12		326
H01P1/14	9	by electric discharge devices (discharge devices H01J17/64)	H01P1/14	H01P1/14		65
H01P1/15	9	by semiconductor devices	H01P1/15	H01P1/15		835
H01P1/16	8	for mode selection, e.g. mode suppression or mode promotion; for mode conversion	H01P1/16	H01P1/16		659
H01P1/161	9	sustaining two independent orthogonal modes, e.g. orthomode transducer {(combining or separating polarisations and frequencies H01P1/2131)}	H01P1/161	H01P1/161		624
H01P1/162	9	absorbing spurious or unwanted modes of propagation	H01P1/162	H01P1/162		188
H01P1/163	9	specifically adapted for selection or promotion of the TE01 circular-electric mode	H01P1/163	H01P1/163		184
H01P1/165	8	for rotating the plane of polarisation	H01P1/165	H01P1/165		270
H01P1/17	9	for producing a continuously rotating polarisation, e.g. circular polarisation	H01P1/17	H01P1/17		158
H01P1/171	10	{using a corrugated or ridged waveguide section}	H01P1/17	H01P1/17		57
H01P1/172	10	{using a dielectric element}	H01P1/17	H01P1/17		88
H01P1/173	10	{using a conductive element}	H01P1/17	H01P1/17		120
H01P1/174	10	{using a magnetic element (H01P1/175 takes precedence)}	H01P1/17	H01P1/17		26
H01P1/175	9	using Faraday rotators	H01P1/175	H01P1/175		82
H01P1/18	8	Phase-shifters (H01P1/165 takes precedence)	H01P1/18	H01P1/18		1183
H01P1/181	9	{using ferroelectric devices}	H01P1/18	H01P1/18		175
H01P1/182	9	{Waveguide phase-shifters (H01P1/181, H01P1/185, H01P1/19 take precedence)}	H01P1/18	H01P1/18		429
H01P1/183	9	{Coaxial phase-shifters (H01P1/181, H01P1/185, H01P1/19 take precedence)}	H01P1/18	H01P1/18		121
H01P1/184	9	{Strip line phase-shifters (H01P1/181, H01P1/185, H01P1/19 take precedence)}	H01P1/18	H01P1/18		910
H01P1/185	9	using a diode or a gas filled discharge tube	H01P1/185	H01P1/185		393
H01P1/19	9	using a ferromagnetic device	H01P1/19	H01P1/19		273
H01P1/195	10	having a toroidal shape	H01P1/195	H01P1/195		116
H01P1/20	8	Frequency-selective devices, e.g. filters	H01P1/20	H01P1/20		2334
H01P1/2002	9	{Dielectric waveguide filters (H01P1/212, H01P1/213, H01P1/215, H01P1/219 take precedence)}	H01P1/20	H01P1/20		991
H01P1/2005	9	{Electromagnetic photonic bandgaps [EPB], or photonic bandgaps [PBG]}	H01P1/20	H01P1/20		388
H01P1/2007	9	{Filtering devices for biasing networks or DC returns}	H01P1/20	H01P1/20		121
H01P1/201	9	Filters for transverse electromagnetic waves (H01P1/212, H01P1/213, H01P1/215, H01P1/219 take precedence)	H01P1/201	H01P1/201		155
H01P1/2013	10	{Coplanar line filters}	H01P1/201	H01P1/201		88
H01P1/2016	10	{Slot line filters; Fin line filters}	H01P1/201	H01P1/201		76
H01P1/202	10	Coaxial filters (cascaded coaxial cavities H01P1/205)	H01P1/202	H01P1/202		560
H01P1/203	10	Strip line filters	H01P1/203	H01P1/203		1883
H01P1/20309	11	{with dielectric resonator}	H01P1/203	H01P1/203		274
H01P1/20318	12	{with dielectric resonators as non-metallised opposite openings in the metallised surfaces of a substrate}	H01P1/203	H01P1/203		44
H01P1/20327	11	{Electromagnetic interstage coupling}	H01P1/203	H01P1/203		120
H01P1/20336	12	{Comb or interdigital filters}	H01P1/203	H01P1/203		340
H01P1/20345	13	{Multilayer filters}	H01P1/203	H01P1/203		472
H01P1/20354	12	{Non-comb or non-interdigital filters}	H01P1/203	H01P1/203		54
H01P1/20363	13	{Linear resonators}	H01P1/203	H01P1/203		241
H01P1/20372	13	{Hairpin resonators}	H01P1/203	H01P1/203		151
H01P1/20381	13	{Special shape resonators}	H01P1/203	H01P1/203		716
H01P1/2039	11	{Galvanic coupling between Input/Output}	H01P1/203	H01P1/203		623
H01P1/205	10	Comb or interdigital filters; Cascaded coaxial cavities (H01P1/203 takes precedence)	H01P1/205	H01P1/205		748
H01P1/2053	11	{the coaxial cavity resonators being disposed parall to each other}	H01P1/205	H01P1/205		847
H01P1/2056	11	{Comb filters or interdigital filters with metallised resonator holes in a dielectric block}	H01P1/205	H01P1/205		806
H01P1/207	9	Hollow waveguide filters (H01P1/212, H01P1/213, H01P1/215, H01P1/219 take precedence)	H01P1/207	H01P1/207		1668
H01P1/208	10	Cascaded cavities; Cascaded resonators inside a hollow waveguide structure (H01P1/205 takes precedence)	H01P1/208	H01P1/208		1481
H01P1/2082	11	{with multimode resonators (H01P1/2086 takes precedence)}	H01P1/208	H01P1/208		234
H01P1/2084	11	{with dielectric resonators}	H01P1/208	H01P1/208		801
H01P1/2086	12	{multimode}	H01P1/208	H01P1/208		215
H01P1/2088	11	{Integrated in a substrate}	H01P1/208	H01P1/208		469
H01P1/209	10	comprising one or more branching arms or cavities wholly outside the main waveguide	H01P1/209	H01P1/209		339
H01P1/211	10	Waffle-iron filters; Corrugated structures	H01P1/211	H01P1/211		96
H01P1/212	9	suppressing or attenuating harmonic frequencies (H01P1/215 takes precedence)	H01P1/212	H01P1/212		563
H01P1/213	9	combining or separating two or more different frequencies (H01P1/215 takes precedence)	H01P1/213	H01P1/213		1114
H01P1/2131	10	{with combining or separating polarisations}	H01P1/213	H01P1/213		137
H01P1/2133	10	{using coaxial filters (H01P1/2131, H01P1/2136 take precedence)}	H01P1/213	H01P1/213		146
H01P1/2135	10	{using strip line filters (H01P1/2131 takes precedence)}	H01P1/213	H01P1/213		381
H01P1/2136	10	{using comb or interdigital filters; using cascaded coaxial cavities (H01P1/2131, H01P1/2135 take precedence)}	H01P1/213	H01P1/213		374
H01P1/2138	10	{using hollow waveguide filters (H01P1/2131 takes precedence)}	H01P1/213	H01P1/213		607
H01P1/215	9	using ferromagnetic material	H01P1/215	H01P1/215		146
H01P1/217	10	the ferromagnetic material acting as a tuning element in resonators	H01P1/217	H01P1/217		36
H01P1/218	10	the ferromagnetic material acting as a frequency selective coupling element, e.g. YIG-filters	H01P1/218	H01P1/218		207
H01P1/219	9	Evanescent mode filters	H01P1/219	H01P1/219		76
H01P1/22	8	Attenuating devices (dissipative terminating devices H01P1/26)	H01P1/22	H01P1/22		431
H01P1/222	9	{Waveguide attenuators (H01P1/23 takes precedence)}	H01P1/22	H01P1/22		271
H01P1/225	9	{Coaxial attenuators (H01P1/23 takes precedence)}	H01P1/22	H01P1/22		211
H01P1/227	9	{Strip line attenuators (H01P1/23 takes precedence)}	H01P1/22	H01P1/22		293
H01P1/23	9	using ferromagnetic material	H01P1/23	H01P1/23		103
H01P1/24	8	Terminating devices	H01P1/24	H01P1/24		193
H01P1/26	9	Dissipative terminations	H01P1/26	H01P1/26		171
H01P1/262	10	{the dissipative medium being a liquid or being cooled by a liquid}	H01P1/26	H01P1/26		127
H01P1/264	10	{Waveguide terminations (H01P1/262 takes precedence)}	H01P1/26	H01P1/26		189
H01P1/266	10	{Coaxial terminations (H01P1/262 takes precedence)}	H01P1/26	H01P1/26		158
H01P1/268	10	{Strip line terminations (H01P1/262 takes precedence)}	H01P1/26	H01P1/26		131
H01P1/28	9	Short-circuiting plungers	H01P1/28	H01P1/28		152
H01P1/30	8	for compensation of, or protection against, temperature or moisture effects {; for improving power handling capability (H01P1/04, H01P1/08 take precedence)}	H01P1/30	H01P1/30		488
H01P1/32	8	Non-reciprocal transmission devices (H01P1/02&#160;-&#160;H01P1/30 take precedence)	H01P1/32	H01P1/32		239
H01P1/36	9	Isolators	H01P1/36	H01P1/36		633
H01P1/362	10	{Edge-guided mode devices}	H01P1/36	H01P1/36		30
H01P1/365	10	Resonance absorption isolators	H01P1/365	H01P1/365		149
H01P1/37	10	Field displacement isolators	H01P1/37	H01P1/37		45
H01P1/375	10	using Faraday rotators	H01P1/375	H01P1/375		38
H01P1/38	9	Circulators	H01P1/38	H01P1/38		533
H01P1/383	10	Junction circulators, e.g. Y-circulators	H01P1/383	H01P1/383		262
H01P1/387	11	Strip line circulators	H01P1/387	H01P1/387		789
H01P1/39	11	Hollow waveguide circulators	H01P1/39	H01P1/39		231
H01P1/393	10	using Faraday rotators	H01P1/393	H01P1/393		42
H01P1/397	10	using non- reciprocal phase shifters (H01P1/393 takes precedence)	H01P1/397	H01P1/397		55
H01P3/00	7	Waveguides; Transmission lines of the waveguide type	H01P3/00	H01P3/00		751
H01P3/003	8	{Coplanar lines}	H01P3/00	H01P3/00		495
H01P3/006	9	{Conductor backed coplanar waveguides}	H01P3/00	H01P3/00		169
H01P3/02	8	with two longitudinal conductors	H01P3/02	H01P3/02		253
H01P3/023	9	{Fin lines; Slot lines}	H01P3/02	H01P3/02		76
H01P3/026	9	{Coplanar striplines [CPS]}	H01P3/02	H01P3/02		326
H01P3/04	9	Lines formed as Lecher wire pairs	H01P3/04	H01P3/04		104
H01P3/06	9	Coaxial lines<br><br><u>NOTE</u><br><br>This subgroup is only used for documents disclosing typical HF-features of coaxial cables, e.g. propagation of non-TEM-modes, multimoding, oversized coaxial cables, particular cross-section adapted for HF-propagation	H01P3/06	H01P3/06		827
H01P3/08	9	Microstrips; Strip lines	H01P3/08	H01P3/08		1352
H01P3/081	10	{Microstriplines}	H01P3/08	H01P3/08		1053
H01P3/082	11	{Multilayer dielectric}	H01P3/08	H01P3/08		220
H01P3/084	11	{Suspended microstriplines}	H01P3/08	H01P3/08		73
H01P3/085	10	{Triplate lines}	H01P3/08	H01P3/08		489
H01P3/087	11	{Suspended triplate lines}	H01P3/08	H01P3/08		96
H01P3/088	10	{Stacked transmission lines}	H01P3/08	H01P3/08		379
H01P3/10	8	Wire waveguides, i.e. with a single solid longitudinal conductor	H01P3/10	H01P3/10		345
H01P3/12	8	Hollow waveguides (H01P3/20 takes precedence)	H01P3/12	H01P3/12		862
H01P3/121	9	{integrated in a substrate}	H01P3/12	H01P3/12		551
H01P3/122	9	{Dielectric loaded (not air)}	H01P3/12	H01P3/12		225
H01P3/123	9	with a complex or stepped cross-section, e.g. ridged or grooved waveguides (H01P3/14 takes precedence)	H01P3/123	H01P3/123		431
H01P3/127	9	with a circular, elliptic, or parabolic cross-section	H01P3/127	H01P3/127		218
H01P3/13	9	specially adapted for transmission of the TE01 circular-electric mode {(selection, promotion H01P1/163)}	H01P3/13	H01P3/13		163
H01P3/14	9	flexible	H01P3/14	H01P3/14		308
H01P3/16	8	Dielectric waveguides, i.e. without a longitudinal conductor	H01P3/16	H01P3/16		755
H01P3/165	9	{Non-radiating dielectric waveguides}	H01P3/16	H01P3/16		117
H01P3/18	8	built-up from several layers to increase operating surface, i.e. alternately conductive and dielectric layers	H01P3/18	H01P3/18		244
H01P3/20	8	Quasi-optical arrangements for guiding a wave, e.g. focusing by dielectric lenses	H01P3/20	H01P3/20		88
H01P5/00	7	Coupling devices of the waveguide type	H01P5/00	H01P5/00		311
H01P5/02	8	with invariable factor of coupling (H01P5/12 takes precedence {choke joints H01P1/04, H01P1/06})	H01P5/02	H01P5/02		729
H01P5/022	9	{Transitions between lines of the same kind and shape, but with different dimensions}	H01P5/02	H01P5/02		51
H01P5/024	10	{between hollow waveguides}	H01P5/02	H01P5/02		300
H01P5/026	10	{between coaxial lines}	H01P5/02	H01P5/02		178
H01P5/028	10	{between strip lines}	H01P5/02	H01P5/02		536
H01P5/04	8	with variable factor of coupling	H01P5/04	H01P5/04		1287
H01P5/08	8	for linking dissimilar lines or devices (H01P1/16, H01P5/04 take precedence; linking lines of the same kind but with different dimensions H01P5/02)	H01P5/08	H01P5/08		1053
H01P5/082	9	{Transitions between hollow waveguides of different shape, e.g. between a rectangular and a circular waveguide}	H01P5/08	H01P5/08		256
H01P5/085	9	{Coaxial-line/strip-line transitions}	H01P5/08	H01P5/08		479
H01P5/087	9	{Transitions to a dielectric waveguide}	H01P5/08	H01P5/08		227
H01P5/10	9	for coupling balanced lines or devices with unbalanced lines or devices	H01P5/10	H01P5/10		1066
H01P5/1007	10	{Microstrip transitions to Slotline or finline}	H01P5/10	H01P5/10		108
H01P5/1015	10	{Coplanar line transitions to Slotline or finline}	H01P5/10	H01P5/10		32
H01P5/1022	10	{Transitions to dielectric waveguide}	H01P5/10	H01P5/10		59
H01P5/103	10	Hollow-waveguide/coaxial-line transitions	H01P5/103	H01P5/103		520
H01P5/107	10	Hollow-waveguide/strip-line transitions	H01P5/107	H01P5/107		1271
H01P5/12	8	Coupling devices having more than two ports (H01P5/04 takes precedence)	H01P5/12	H01P5/12		2587
H01P5/16	9	Conjugate devices, i.e. devices having at least one port decoupled from one other port	H01P5/16	H01P5/16		1711
H01P5/18	10	consisting of two coupled guides, e.g. directional couplers	H01P5/18	H01P5/18		1123
H01P5/181	11	{the guides being hollow waveguides}	H01P5/18	H01P5/18		196
H01P5/182	12	{the waveguides being arranged in parallel}	H01P5/18	H01P5/18		227
H01P5/183	11	{at least one of the guides being a coaxial line}	H01P5/18	H01P5/18		209
H01P5/184	11	{the guides being strip lines or microstrips}	H01P5/18	H01P5/18		645
H01P5/185	12	{Edge coupled lines}	H01P5/18	H01P5/18		447
H01P5/186	13	{Lange couplers}	H01P5/18	H01P5/18		70
H01P5/187	12	{Broadside coupled lines}	H01P5/18	H01P5/18		342
H01P5/188	11	{the guides being dielectric waveguides}	H01P5/18	H01P5/18		85
H01P5/19	10	of the junction type	H01P5/19	H01P5/19		247
H01P5/20	11	Magic-T junctions	H01P5/20	H01P5/20		316
H01P5/22	11	Hybrid ring junctions	H01P5/22	H01P5/22		131
H01P5/222	12	{180&#176; rat race hybrid rings}	H01P5/22	H01P5/22		116
H01P5/225	12	{180&#176; reversed phase hybrid rings}	H01P5/22	H01P5/22		33
H01P5/227	12	{90&#176; branch line couplers}	H01P5/22	H01P5/22		159
H01P7/00	7	Resonators of the waveguide type	H01P7/00	H01P7/00		467
H01P7/005	8	{Helical resonators; Spiral resonators}	H01P7/00	H01P7/00		119
H01P7/02	8	Lecher resonators	H01P7/02	H01P7/02		238
H01P7/04	8	Coaxial resonators	H01P7/04	H01P7/04		1136
H01P7/06	8	Cavity resonators	H01P7/06	H01P7/06		1777
H01P7/065	9	{integrated in a substrate}	H01P7/06	H01P7/06		191
H01P7/08	8	Strip line resonators	H01P7/08	H01P7/08		455
H01P7/082	9	{Microstripline resonators (H01P7/088 takes precedence)}	H01P7/08	H01P7/08		518
H01P7/084	9	{Triplate line resonators (H01P7/088 takes precedence)}	H01P7/08	H01P7/08		138
H01P7/086	9	{Coplanar waveguide resonators (H01P7/088 takes precedence)}	H01P7/08	H01P7/08		72
H01P7/088	9	{Tunable resonators}	H01P7/08	H01P7/08		137
H01P7/10	8	Dielectric resonators	H01P7/10	H01P7/10		1655
H01P7/105	9	{Multimode resonators}	H01P7/10	H01P7/10		246
H01P9/00	7	Delay lines of the waveguide type	H01P9/00	H01P9/00		306
H01P9/003	8	{Delay equalizers}	H01P9/00	H01P9/00		47
H01P9/006	8	{Meander lines}	H01P9/00	H01P9/00		134
H01P9/02	8	Helical lines	H01P9/02	H01P9/02		111
H01P9/04	8	Interdigital lines	H01P9/04	H01P9/04		24
H01P11/00	7	Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type	H01P11/00	H01P11/00		1295
H01P11/001	8	{Manufacturing waveguides or transmission lines of the waveguide type}	H01P11/00	H01P11/00		291
H01P11/002	9	{Manufacturing hollow waveguides}	H01P11/00	H01P11/00		639
H01P11/003	9	{Manufacturing lines with conductors on a substrate, e.g. strip lines, slot lines}	H01P11/00	H01P11/00		469
H01P11/005	9	{Manufacturing coaxial lines}	H01P11/00	H01P11/00		227
H01P11/006	9	{Manufacturing dielectric waveguides}	H01P11/00	H01P11/00		141
H01P11/007	8	{Manufacturing frequency-selective devices (resonators H01P11/008)}	H01P11/00	H01P11/00		1035
H01P11/008	8	{Manufacturing resonators}	H01P11/00	H01P11/00		360
