H03C   1/00		Ĵʣȣãȣãͥ	Amplitude modulation(<b>H03C5/00</b>, <b>H03C7/00</b> take precedence)	1004
H03C   1/02			Details	324
H03C   1/04		Ĵʬ㸺뤿Ĵʤ¸ߤʤޤĴʤȤ߹碌줿	Means in, or combined with, modulating stage for reducing angle modulation	84
H03C   1/06		ԤʤɤˤҤߤ㸺ʾĴˤ餫ŬѤĴѷ	Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator	349
H03C   1/08		ѥԡǻҤˤΡʣȣãȣãȣãȣãȣãͥ	by means of variable impedance element(<b>H03C1/28 to H03C1/34</b> , <b>H03C1/46 to H03C1/52</b> , <b>H03C1/62</b> take precedence)	86
H03C   1/10		ǻҤή楤Ǥ	the element being a current-dependent inductor	213
H03C   1/12		ǻҤŰ楳ǥ󥵤Ǥ	the element being a voltage-dependent capacitor	34
H03C   1/14		ǻҤɤǤ	the element being a diode	141
H03C   1/16		ʤȤ⣳ĤŶˤͭŻҴɤˤΡʣȣãȣãȣãȣãȣãͥ	by means of discharge device having at least three electrodes(<b>H03C1/28 to H03C1/34</b> , <b>H03C1/50</b>, <b>H03C1/52</b>, <b>H03C1/62</b> take precedence)	174
H03C   1/18		ȤʻҤزä	carrier applied to control grid	8
H03C   1/20		Ĵ椬۶ˤزä	modulating signal applied to anode	204
H03C   1/22		Ĵ椬ƱʻҤزä	modulating signal applied to same grid	201
H03C   1/24		Ĵ椬̸ĤγʻҤزä	modulating signal applied to different grid	99
H03C   1/26		Ĵ椬ˤزä	modulating signal applied to cathode	34
H03C   1/28		ŻԻַŻҴɤˤ	by means of transit-time tube	26
H03C   1/30		ޥͥȥˤ	by means of a magnetron	58
H03C   1/32		ŻҴǤŻҥӡиˤ	by deflection of electron beam in discharge tube	24
H03C   1/34		ǻҤˤ	by means of light-sensitive element	77
H03C   1/36		ʤȤ⣳ĤŶˤͭȾƳǻҤˤΡʣȣãȣãȣãȣãͥ	by means of semiconductor device having at least three electrodes(<b>H03C1/34</b>, <b>H03C1/50</b>, <b>H03C1/52</b>, <b>H03C1/62</b> take precedence)	449
H03C   1/38		Ȥȥ󥸥Υ١˲ä	carrier applied to base of a transistor	19
H03C   1/40		Ĵ椬쥯˲ä	modulating signal applied to collector	30
H03C   1/42		Ĵ椬١˲ä	modulating signal applied to base	56
H03C   1/44		Ĵ椬ߥå˲ä	modulating signal applied to emitter	24
H03C   1/46		Ū˶ưޤϲŪ˶ưʤ򤽤ʤĴ	Modulators with mechanically-driven or acoustically-driven parts	84
H03C   1/48		ۡǻҤˤ	by means of Hall-effect devices	40
H03C   1/50		ĴοĴؤѴˤΡʣȣãȣãȣãȣãͥ	by converting angle modulation to amplitude modulation(<b>H03C1/28 to H03C1/34</b> , <b>H03C1/46</b>, <b>H03C1/48</b> take precedence)	178
H03C   1/52		Ȥޤϰ¦ȤˤޤʬŪްĴʣȣãȣãȣãȣãͥ	Modulators in which carrier or one sideband is wholly or partially suppressed(<b>H03C1/28 to H03C1/34</b> , <b>H03C1/46</b>, <b>H03C1/48</b> take precedence)	595
H03C   1/54		ʿĴ㡥֥å󥰷ޤϣʿշ	Balanced modulators, e.g. bridge type, ring type or double balanced type	778
H03C   1/56		ѣüǻҤΤߤޤ	comprising variable two-pole elements only	32
H03C   1/58		ɤޤ	comprising diodes	447
H03C   1/60		¦ȤˤޤʬŪް	with one sideband wholly or partially suppressed	495
H03C   1/62		ϤˤʬοĴͤ˴طĴ㡥Ĵ椬¸ߤʤȤȤФʤΡʣȣãȣãȣãȣãͥ	Modulators in which amplitude of carrier component in output is dependent upon strength of modulating signal, e.g. no carrier output when no modulating signal is present(<b>H03C1/28 to H03C1/34</b> , <b>H03C1/46</b>, <b>H03C1/48</b> take precedence)	548
H03C   3/00		Ĵʣȣãȣãͥ	Angle modulation(<b>H03C5/00</b>, <b>H03C7/00</b> take precedence)	2230
H03C   3/02			Details	474
H03C   3/04		Ĵʬ㸺뤿ΡĴʤ¸ߤʤޤĴʤȤ߹碌줿	Means in, or combined with, modulating stage for reducing amplitude modulation	131
H03C   3/06		ȿкѤ뤿μ	Means for changing frequency deviation	380
H03C   3/08		ԤʤɤˤĴľŪˤʾĴˤ餫ŬѤĴѷ	Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator	396
H03C   3/09		濴ȿĴ뤿ĴѷΣ	Modifications of modulator for regulating the mean frequency	1287
H03C   3/10		ѥԡ󥹤ˤΡʣȣãȣãͥ	by means of variable impedance(<b>H03C3/30 to H03C3/38</b>  take precedence)	167
H03C   3/12		ѥꥢǻҤˤ	by means of a variable reactive element	89
H03C   3/14		ʤȤ⣳ĤŶˤǽưǻҤͭϩ㡥ꥢ󥹴ɲϩˤäƵ줿ѥꥢǻҤˤ	simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit	431
H03C   3/16		ǽưǻҤȯǽưǻҤȤƤΩĤ	in which the active element simultaneously serves as the active element of an oscillator	119
H03C   3/18		ǻҤή楤Ǥ	the element being a current-dependent inductor	100
H03C   3/20		ǻҤŰ楳ǥ󥵤Ǥ	the element being a voltage-dependent capacitor	89
H03C   3/22		ǻҤȾƳΥɡ㡥̥ɡǤ	the element being a semiconductor diode, e.g. varicap diode	729
H03C   3/24		ǻҤǻҡ㡥ŻҴɡǤ	by means of a variable resistive element, e.g. tube	184
H03C   3/26		Ĵˤäƥץåץ椵룲ĤǻҤޤ	comprising two elements controlled in push-pull by modulating signal	82
H03C   3/28		ŪޤϲŪ˶ưѥԡ󥹤Ѥ	using variable impedance driven mechanically or acoustically	140
H03C   3/30		ŻԻַŻҴɤˤ	by means of transit-time tube	145
H03C   3/32		ŻҴɤޥͥȥǤ	the tube being a magnetron	105
H03C   3/34		ŻҴǤŻҥӡиˤ	by deflection of electron beam in discharge tube	26
H03C   3/36		ǻҤˤ	by means of light-sensitive element	49
H03C   3/38		ĴγĴؤѴˤ	by converting amplitude modulation to angle modulation	148
H03C   3/40		ΰ꺹ͭ룲ĤοϩѤʤȤοϩνϤĴ褦ˤ	using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated	462
H03C   3/42		ŵǻҤˤΡʣȣãͥˡΣ	by means of electromechanical devices(<b>H03C3/28</b> takes precedence)	51
H03C   5/00		ƱĴˤäƿĴӳĴƱˤޤϿդΡʣȣãͥ	Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal(<b>H03C7/00</b> takes precedence)	828
H03C   5/02		ԻַŻҴɤˤ	by means of transit-time tube	16
H03C   5/04		ŻҴɤޥͥȥǤ	the tube being a magnetron	95
H03C   5/06		ŻҴǤŻҥӡиˤ	by deflection of electron beam in discharge tube	
H03C   7/00		żȤĴʸĴΤʤޤ֣ǣƣ	Modulating electromagnetic waves(devices or arrangements for the modulation of light <b>G02F1/00</b>)	185
H03C   7/02		ϩƳȴɡƹޤϥƥʤżˤ	in transmission lines, waveguides, cavity resonators or radiation fields of antennas	1211
H03C   7/04		ȤȤĴ	Polarisation of transmitted wave being modulated	27
H03C  99/00		Υ֥饹¾Υ롼פʬवʤΣ	Subject matter not provided for in other groups of this subclass	15
