G08C  13/00		ϿȽϿȤδط˱ƶͿ뤿֡㡥ʬٱ	Arrangements for influencing the relationship between signals at input and output, e.g. differentiating, delaying	728
G08C  13/02		İʾοδؿǤ뿮桤㡥¡ѡ	to yield a signal which is a function of two or more signals, e.g. sum or product	200
G08C  15/00		ϩʣο뤿¿λѤˤäħŤ줿	Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path	7686
G08C  15/02		ƱˡʤȿʬѤ	simultaneously, i.e. using frequency division	304
G08C  15/04		椬ȤĴ	the signals being modulated on carrier frequencies	206
G08C  15/06		Ϣ³ŪˡʤʬѤ	successively, i.e. using time division	3499
G08C  15/08		椬ϢϩˤŰήοǤ蘆	the signals being represented by amplitude of current or voltage in transmission link	224
G08C  15/10		椬ϢϩˤŰήμȿޤϰǤ蘆	the signals being represented by frequencies or phase of current or voltage in transmission link	112
G08C  15/12		椬Ϣϩˤƥѥ륹ˤäƤ蘆	the signals being represented by pulse characteristics in transmission link	663
G08C  17/00		Τ̵ŵŪϢλѤˤäħŤ줿֡Σ	Arrangements for transmitting signals characterised by the use of a wireless electrical link	11932
G08C  17/02		̵ϢѤΡΣ	using a radio link	94020
G08C  17/04		Ū˷礷֤ѤΡΣ	using magnetically coupled devices	1059
G08C  17/06		̷ѤΡΣ	using capacity coupling	241
G08C  19/00		ŵŪʣǣãͥ	Electric signal transmission systems(<b>G08C17/00</b> takes precedence)	21542
G08C  19/02		뿮椬ήޤŰ礭ǤΡʣǣãǣãͥ	in which the signal transmitted is magnitude of current or voltage(<b>G08C19/36</b>, <b>G08C19/38</b> take precedence)	3845
G08C  19/04		񹳤Ѥ	using variable resistance	418
G08C  19/06		ѥ󥹤Ѥ	using variable inductance	344
G08C  19/08		ĤΥ˺ưŪ˱ƶ򤢤	differentially influencing two coils	58
G08C  19/10		̤Ѥ	using variable capacitance	128
G08C  19/12		뿮椬ήμȿޤϰǤ	in which the signal transmitted is frequency or phase of AC	1530
G08C  19/14		ʣΰȿȤ߹碌Ѥ	using combination of fixed frequencies	191
G08C  19/16		ѥ륹ˤäƹԤ	in which transmission is by pulses	3039
G08C  19/18		ѥ륹Υѥ륹οѲѤ	using a variable number of pulses in a train	421
G08C  19/20		žŵ㡥ƥåư˺Ѥ	operating on dynamo-electric devices, e.g. step motor	281
G08C  19/22		ƥѥ륹λ³֤ѲѤ	by varying the duration of individual pulses	729
G08C  19/24		ѥ륹λŪեȤѤ	using time shift of pulses	217
G08C  19/26		ѥ륹֤ȿѲѤ	by varying pulse repetition frequency	320
G08C  19/28		ѥ륹Ѥ	using pulse code	2953
G08C  19/30		ʣƳΤޤϥͥ뤫飱İʾƳΤޤϥͥ򤹤뤳ȤˤΡʣǣãͥ	in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels(<b>G08C19/38</b> takes precedence)	1017
G08C  19/32		ĤƳΤޤϥͥ򤹤	of one conductor or channel	158
G08C  19/34		ʣƳΤޤϥͥȹ礻򤹤	of a combination of conductors or channels	127
G08C  19/36		ϿѴ뤿˸ŪʤѤ	using optical means to convert the input signal	759
G08C  19/38		žŵѤΡʥѥ륹ˤäưΣǣã	using dynamo-electric devices(operated by pulses <b>G08C19/20</b>)	856
G08C  19/40		žҤޤϸҤΰΤߤ椬ä봬ĤΡ㡥ƥåưѤ	of which only the rotor or the stator carries a winding to which a signal is applied, e.g. using step motor	54
G08C  19/42		ĤθҶˤĤ	having three stator poles	24
G08C  19/44		İʾθҶˤĤ	having more than three stator poles	38
G08C  19/46		žҤȸҤξĤΡʤžҤĤΣǣã	of which both rotor and stator carry windings(having squirrel-cage rotor <b>G08C19/40</b>)	234
G08C  19/48		ҤȰȿθήžҤȤķ㡥륷󡤥ޥåסǤ	being of the type with a three-phase stator and a rotor fed by constant-frequency AC, e.g. selsyn, magslip	410
G08C  21/00		ϤФоʪΰ֤㡥ƥ饤Σ	Systems for transmitting the position of an object with respect to a predetermined reference system, e.g. tele-autographic system	1600
G08C  23/00		ŵŪ㡥Ū	Non-electric signal transmission systems, e.g. optical systems	1985
G08C  23/02		ȤѤΡΣ	using acoustic waves	1644
G08C  23/04		ȤѤΡ㡥ֳΣ	using light waves, e.g. infrared	17075
G08C  23/06		ɤ̲ᤵΡ㡥եСΣ	through light guides, e.g. optical fibres	2049
G08C  25/00		ɻߤޤϽΤ֡ƻ	Arrangements for preventing or correcting errors; Monitoring arrangements	6660
G08C  25/02		ɤɤؿ뤳Ȥˤ	by signalling back from receiving station to transmitting station	1094
G08C  25/04		줿Ͽ뤳Ȥˤ	by recording transmitted signals	215
