H04R   1/00		ѴκʿưģȣңѴħΤΤϡᥤ󥰥롼ףȣңȣңδط롼פ򻲾ȡ֤ΤäŬ礷ȣͣ	Details of transducers(diaphragms <b>H04R7/00</b>; characterised by the nature of the transducer, <u>see</u> the relevant group of main groups <b>H04R9/00 to H04R23/00</b> ; mountings specially adapted for telephone equipment <b>H04M1/02</b>)	15528
H04R   1/02		󥰡ӥͥåȡؤμʣȣңͥ	Casings; Cabinets; Mountings therein(<b>H04R1/28</b> takes precedence)	61466
H04R   1/04		ޥۥȤΤŵϩȤι¤ŪŵŪİˤΣȣңˡΣ	Structural association of microphone with electric circuitry therefor (in electric hearing aids <b>H04R25/00</b>)	3539
H04R   1/06		ϩƳϩƳĥϴ	Arranging circuit leads; Relieving strain on circuit leads	3261
H04R   1/08		ô°ʪ	Mouthpieces; Attachments therefor	19716
H04R   1/10		ô°ʪΣ	Earpieces; Attachments therefor	63820
H04R   1/1025		ôѤäŬ礷֡νŤΤäŬ礷֡Σ	Accumulators specially adapted for earpieces; Arrangements specially adapted for charging thereof	
H04R   1/12		ôޤϼôΤޤϱ㡥ͽɤΤΤ	Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection	2104
H04R   1/14		ޥۥΰ	Throat mountings for microphones	309
H04R   1/16		ԥ󥰼ʤ̵ͭʤѴФˤμޤϷ	Mounting or connecting stylus to transducer with or without damping means	528
H04R   1/18		ˤݻѴؤݻμ	Holders for styli; Mounting holders on transducers	192
H04R   1/20		˾μȿ뤤ϻظ뤿֡ʥƥ쥪ŪΤΣȣң	Arrangements for obtaining desired frequency or directional characteristics(for stereophonic purposes <b>H04R5/00</b>)	13872
H04R   1/22		˾μȿΤߤ뤿Τ	for obtaining desired frequency characteristic only	4654
H04R   1/24		̡Ѵޤ̡ѴʬʤʤꡤʾμȿϰϤФƤ줾Ǥ褦ʹ¤ȹ礻	Structural combinations of separate transducers or of parts of the same transducer and responsive respectively to two or more frequency ranges	2511
H04R   1/26		ʾμȿϰϤ˱̡ѴζŪ	Spatial arrangement of separate transducers responsive to two or more frequency ranges	2325
H04R   1/28		üʼȿ쥹ݥ󥹤Τ߷פ줿ѴޤϰϤŪޤϲŪԡ󥹡㡥ưʡ뤳ȤˤäѤѴΰϤ	Transducer mountings or enclosures designed for specific frequency response; Transducer enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means	11967
H04R   1/30		ۡ㡥ŪʡѴȤȹ礻	Combinations of transducers with horns, e.g. with mechanical matching means	2609
H04R   1/32		˾λظΤߤ뤿Τ	for obtaining desired directional characteristic only	5356
H04R   1/34		ȿ͡ޡظޤͶƳʤñѴλѤˤ	by using a single transducer with sound reflecting, diffracting, directing or guiding means	4901
H04R   1/36		ǾưĹ礭ʤˡñ쥢ѡλѤˤ  Σ	by using a single aperture of dimensions not greater than the shortest operating wavelength	41
H04R   1/38		ȤưĤξ̤벻ʤ˺ѤȤΤΡ㡥Ϸ٥ޥۥ	in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone	760
H04R   1/40		췲ƱѴȹ礻ˤ	by combining a number of identical transducers	9306
H04R   1/42		ήΰϤޤ¾ŵŪʤѴȹ礻	Combinations of transducers with fluid-pressure or other non-electrical amplifying means	266
H04R   1/44		ѤΤüŬʪˡ㡥ϥɥۥ	Special adaptations for subaqueous use, e.g. for hydrophone	3639
H04R   1/46		ܿޥۥȤơ㡥ڴ塤İǴǡѤ뤿äŬ礷Ρʰȣң	Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope(throat mountings <b>H04R1/14</b>)	1385
H04R   3/00		ѴΤβϩʻĶޤȿȯ뤿֣ǣˣȣơ	Circuits for transducers(arrangements for producing a reverberation or echo sound <b>G10K15/08</b>; amplifiers <b>H03F</b>)	46236
H04R   3/02		ŪȿѤɻߤΤΤ	for preventing acoustic reaction	4407
H04R   3/04		ȿ쥹ݥ󥹤ΤΤ	for correcting frequency response	7892
H04R   3/06		ŷѴ	of electrostatic transducers	358
H04R   3/08		żѴ	of electromagnetic transducers	314
H04R   3/10		񹳷ޥۥ	of variable-resistance microphones	40
H04R   3/12		ʾΥԡؤοʬۤΤΤ	for distributing signals to two or more loudspeakers	7649
H04R   3/14		򺹲ϩ	Cross-over networks	1321
H04R   5/00		ƥ쥪֡ʥƥ쥪ԥååףȣңȣңȣңȣң<br><br><b><ul></ul></b><br>Υ롼פˤƤϡɽϰʲ˼̣Ѥ롨<br>ΩŪ֡ɤϡ֤ͥޤϤ֤ޤ롣Σ	Stereophonic arrangements(stereophonic pick-ups <b>H04R9/16</b>, <b>H04R11/12</b>, <b>H04R17/08</b>, <b>H04R19/10</b>);<br><br><b><u>Note(s)</u></b><br><br><ul><li>In this group, the following expression is used with the meaning indicated:<ul><li>"stereophonic arrangements" covers quadraphonic or similar arrangements. </li></ul></li></ul>	4529
H04R   5/02		ԡζŪޤϹ¤Ū	Spatial or constructional arrangements of loudspeakers	9291
H04R   5/027		ޥۥζŪޤϹ¤Ū֡㡥ߡإåɤˤΡΣ	Spatial or constructional arrangements of microphones, e.g. in dummy heads	2259
H04R   5/033		ƥ쥪İΤΥإåɥۥΣ	Headphones for stereophonic communication	6533
H04R   5/04		ϩ֡ʥƥ쥪ȣӡ	Circuit arrangements(stereophonic systems <b>H04S</b>)	6374
H04R   7/00		ŵѴѿưġ	Diaphragms for electromechanical transducers; Cones	1782
H04R   7/02		¤ħΤ	characterised by the construction	6552
H04R   7/04		ʿ̷ư	Plane diaphragms	5381
H04R   7/06		ʣҤޤؤޤ	comprising a plurality of sections or layers	1130
H04R   7/08		ޤ¾ήΤˤ֤Ƥ줿Ť͹碌ؤޤ	comprising superposed layers separated by air or other fluid	805
H04R   7/10		ߤܿƽŤ͹碌ؤޤ	comprising superposed layers in contact	1241
H04R   7/12		ʿ̷ưĤޤϥ	Non-planar diaphragms or cones	5559
H04R   7/14		Ҥͤդ줿	corrugated, pleated, or ribbed	1209
H04R   7/16		ưĤޤϥμޤϿĥ	Mounting or tensioning of diaphragms or cones	2548
H04R   7/18		ˤƤΤ	at the periphery	2538
H04R   7/20		ĤȤФ͡ɤޤϤˤäŪ˻ٻ뿶ưĤޤϥ	Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands	2250
H04R   7/22		¤Ф뿶ưĤޤϥαγݻ	Clamping rim of diaphragm or cone against seating	959
H04R   7/24		ưĤޤϥμͳưľܺѤʤˤĥϤΰ	Tensioning by means acting directly on free portion of diaphragm or cone	213
H04R   7/26		ưĤޤϥμͳưľܺѤʤˤư	Damping by means acting directly on free portion of diaphragm or cone	953
H04R   9/00		ưطưܥ󷿤ޤϲưѴ	Transducers of moving-coil, moving-strip, or moving-wire type	3228
H04R   9/02			Details	32653
H04R   9/04		ιĽФ	Construction, mounting, or centering of coil	11470
H04R   9/06		ԡ	Loudspeakers	31887
H04R   9/08		ޥۥ	Microphones	1721
H04R   9/10		üô	Telephone receivers	510
H04R   9/12		ˤѤ߲ԥååסˤѤϿ	Gramophone pick-ups using a stylus; Recorders using a stylus	597
H04R   9/14		ʾοˤޤѴޤΡʣȣңͥ	comprising two or more styli or transducers(<b>H04R9/16</b> takes precedence)	6
H04R   9/16		椬ߤľ򤹤룲ˤ룱ܤοˤƱŪưˤäϿޤϺ	signals being recorded or played-back by vibration of a stylus in two orthogonal directions simultaneously	370
H04R   9/18		ѴʤΣȿˤƺϤȯ褦Ŭ礵줿	Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency	76
H04R  11/00		ưܶ˻ҷޤϲưŴҷѴ	Transducers of moving-armature or moving-core type	1371
H04R  11/02		ԡ	Loudspeakers	1537
H04R  11/04		ޥۥ	Microphones	635
H04R  11/06		üô	Telephone receivers	245
H04R  11/08		ˤѤ߲ԥååסˤѤϿ	Gramophone pick-ups using a stylus; Recorders using a stylus	1100
H04R  11/10		ʾοˤޤѴޤΡʣȣңͥ	comprising two or more styli or transducers(<b>H04R11/12</b> takes precedence)	41
H04R  11/12		椬ߤľ򤹤룲ˤ룱ܤοˤƱŪưˤäϿޤϺ	signals being recorded or played-back by vibration of a stylus in two orthogonal directions simultaneously	342
H04R  11/14		ѴʤΣȿˤƺϤȯ褦Ŭ礵줿	Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency	45
H04R  13/00		żФľܶƯ뼧οưĤѴ	Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet	1258
H04R  13/02		üô	Telephone receivers	446
H04R  15/00		襤Ѵ	Magnetostrictive transducers	856
H04R  15/02		ѴʤΣȿˤƺϤȯ褦Ŭ礵줿	Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency	52
H04R  17/00		ŷѴŤ襤Ѵ	Piezoelectric transducers; Electrostrictive transducers	18377
H04R  17/02		ޥۥ	Microphones	2112
H04R  17/04		ˤѤ߲ԥååסˤѤϿ	Gramophone pick-ups using a stylus; Recorders using a stylus	477
H04R  17/06		ʾοˤޤѴޤΡʣȣңͥ	comprising two or more styli or transducers(<b>H04R17/08</b> takes precedence)	124
H04R  17/08		椬ߤľ򤹤룲ˤ룱ܤοˤƱŪưˤäϿޤϺ	signals being recorded or played-back by vibration of a stylus in two orthogonal directions simultaneously	504
H04R  17/10		ѴʤΣȿˤƺϤȯ褦Ŭ礵줿	Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency	2557
H04R  19/00		ŷѴ	Electrostatic transducers	4406
H04R  19/01		쥯ȥåȤλѤˤäħŤ줿ΡΣ	characterised by the use of electrets	2190
H04R  19/02		ԡʣȣңͥˡΣ	Loudspeakers(<b>H04R19/01</b> takes precedence)	1606
H04R  19/04		ޥۥʣȣңͥˡΣ	Microphones(<b>H04R19/01</b> takes precedence)	8188
H04R  19/06		ˤѤ߲ԥååסˤѤϿʣȣңͥˡΣ	Gramophone pick-ups using a stylus; Recorders using a stylus(<b>H04R19/01</b> takes precedence)	203
H04R  19/08		ʾοˤޤѴޤΡʣȣңͥ	comprising two or more styli or transducers(<b>H04R19/10</b> takes precedence)	10
H04R  19/10		椬ߤľ򤹤룲ˤ룱ܤοˤƱŪưˤäϿޤϺ	signals being recorded or played-back by vibration of a stylus in two orthogonal directions simultaneously	51
H04R  21/00		񹳷Ѵʵ񹳷Ѵȣң񹳷Ѵȣң	Variable-resistance transducers(gaseous-resistance transducers <b>H04R23/00</b>; magneto-resistive transducers <b>H04R23/00</b>)	166
H04R  21/02		ޥۥ	Microphones	921
H04R  21/04		ˤѤ߲ԥååסˤѤϿ	Gramophone pick-ups using a stylus; Recorders using a stylus	153
H04R  23/00		롼ףȣңȣңޤʤѴ	Transducers other than those covered by groups <b>H04R9/00 to H04R21/00</b> 	3243
H04R  23/02		ʾθƱѤѴ	Transducers using more than one principle simultaneously	474
H04R  25/00		ŵŪİΣ	Electric hearing aids	22188
H04R  25/02		ˤΤٻ褦Ŭ礵Ƥ	adapted to be supported entirely by ear	2489
H04R  25/04		ݥåޤ	comprising pocket amplifiers	664
H04R  27/00		ѥ֥åɥ쥹ƥʲŪȿѤɻߤ뤿βϩȣңˡΣ	Public address systems(circuits for preventing acoustic reaction <b>H04R3/02</b>)	6272
H04R  27/02		İԤΤ	Amplifying systems for the deaf	204
H04R  27/04		ŵᥬۥ	Electric megaphones	1270
H04R  29/00		ƻ֡	Monitoring arrangements; Testing arrangements	14674
H04R  31/00		ѴޤϤΤοưĤ¤äŬ礷֤ޤˡ	Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor	15590
