H03M   1/00		ʥǥѴǥ롿ʥѴʥʥͤ麹ʬĴؤѴޤϺʬĴ饢ʥͤؤѴȣͣˡΣ	Analogue/digital conversion; Digital/analogue conversion(conversion of analogue values to or from differential modulation <b>H03M3/00</b>)	11990
H03M   1/02		ĵΤ륢ʥǥѴΣ	Reversible analogue/digital converters	360
H03M   1/04		ȥƥåѤѤΡΣ	using stochastic techniques	247
H03M   1/06		ʪŪѥ᡼ˤԽ˾ʱƶϢ³ŪޤɻߡʼŪʤΣȣͣˡΣ	Continuously compensating for, or preventing, undesired influence of physical parameters(periodically <b>H03M1/10</b>)	5561
H03M   1/08		ˤΡΣ	of noise	3906
H03M   1/10		ޤϻΣ	Calibration or testing	8803
H03M   1/12		ʥǥѴʣȣͣȣͣͥˡΣ	Analogue/digital converters(<b>H03M1/02 to H03M1/10</b>  take precedence)	18086
H03M   1/14		ƥƥåפƱޤϰۤʤѴʤӥåȤ¿Ϥ륹ƥåפȤѴΣ	Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit	1954
H03M   1/16		եνȼΡʤƥå״֤οѲ뤳ȤˤΡΣ	with scale factor modification, i.e. by changing the amplification between the steps	717
H03M   1/18		Ѵ郎Ǥ뿮ϰϤ뤿μư桤㡥ưΡΣ	Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging	2293
H03M   1/20		ܣӥåȤ뤿ˣӥåѤʬǽ硤㡥ǥ󥰤ˤΡΣ	Increasing resolution using an n bit system to obtain n + m bits, e.g. by dithering	873
H03M   1/22		ѥɽФΣ	pattern-reading type	799
H03M   1/24		Ū˲ưɤ߼֤ӱĤޤϥȥåפѤΡΣ	using relatively movable reader and disc or strip	1304
H03M   1/26		ŤߤŤ沽򤹤ΡʤĤΥǥåȤͿ줿Ťߤϥ֥åޤΥǥåȤΰ֤˰¸Ρ㡥δꡤνŤߤϤδΤ٤ǤΡΣ	with weighted coding, i.e. the weight given to a digit depends on the position of the digit within the block or code word, e.g. there is a given radix and the weights are powers of this radix	511
H03M   1/28		ŤߤŤ沽򤹤ΡΣ	with non-weighted coding	373
H03M   1/30		ʬΡΣ	incremental	644
H03M   1/32		ɤѤΡΣ	using cathode-ray tubes	86
H03M   1/34		ʥͤͤӤΡʣȣͣͥˡΣ	Analogue value compared with reference values(<b>H03M1/48</b> takes precedence)	1936
H03M   1/36		ƱˤΤ߹ԤΡʤΣ	simultaneously only, i.e. parallel type	2403
H03M   1/38		༡ˤΤ߹ԤΡ㡥༡ӷʥƥå꣱ӥåȤ¿ѴȣͣˡΣ	sequentially only, e.g. successive approximation type(converting more than one bit per step <b>H03M1/14</b>)	3256
H03M   1/40		ƽΣ	recirculation type	309
H03M   1/42		ʥͤѲʤľ³ʤˤ༡ӤˤΡΣ	Sequential comparisons in series-connected stages with no change in value of analogue signal	163
H03M   1/44		ʥͤѲľ³ʤˤ༡ӤˤΡΣ	Sequential comparisons in series-connected stages with change in value of analogue signal	803
H03M   1/46		Ѵ˴ͤ򶡵뤹뤿Υǥ롿ʥѴĤΡΣ	with digital/analogue converter for supplying reference values to converter	3126
H03M   1/48		ɽӷѴΣ	Servo-type converters	802
H03M   1/50		ֳִ֤ؤѴԤΡʣȣͣͥˡΣ	with intermediate conversion to time interval(<b>H03M1/64</b> takes precedence)	2018
H03M   1/52		Ͽʬ˴᤹ͤΡΣ	Input signal integrated with linear return to datum	1208
H03M   1/54		Ͽɸܲݻ˴᤹ͤΡΣ	Input signal sampled and held with linear return to datum	474
H03M   1/56		ϿΥ׿ӤΡΣ	Input signal compared with linear ramp	1219
H03M   1/58		ѴΣ	Non-linear conversion	205
H03M   1/60		ѥ륹ȿؤѴԤΡΣ	with intermediate conversion to frequency of pulses	1438
H03M   1/62		ѴΣ	Non-linear conversion	117
H03M   1/64		ȿΰؤѴԤΡΣ	with intermediate conversion to phase of sinusoidal signals	1044
H03M   1/66		ǥ롿ʥѴʣȣͣȣͣͥˡΣ	Digital/analogue converters(<b>H03M1/02 to H03M1/10</b>  take precedence)	7782
H03M   1/68		ۤʤ봶٤ѴȼΡʤѴ̤ΥǥӥåȤ˴Ϣ¾Ѵ̤ΥǥӥåȤ˴ϢΡΣ	with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits	1743
H03M   1/70		ѴϰϤ뤿μưΣ	Automatic control for modifying converter range	395
H03M   1/72		ľ³ʤˤ༡ѴʣȣͣͥˡΣ	Sequential conversion in series-connected stages(<b>H03M1/68</b> takes precedence)	137
H03M   1/74		ƱѴΣ	Simultaneous conversion	2340
H03M   1/76		å󥰥ĥ꡼ѤΡΣ	using switching tree	848
H03M   1/78		ϩ֤ѤΡΣ	using ladder network	868
H03M   1/80		ŤߤŤ줿ԡ󥹤ѤΡʣȣͣͥˡΣ	using weighted impedances(<b>H03M1/76</b> takes precedence)	1004
H03M   1/82		ֳִ֤ؤѴԤΡΣ	with intermediate conversion to time interval	1376
H03M   1/84		ѴΣ	Non-linear conversion	79
H03M   1/86		ѥ륹ȿؤѴԤΡΣ	with intermediate conversion to frequency of pulses	228
H03M   1/88		ѴΣ	Non-linear conversion	58
H03M   3/00		ʥͤ麹ʬĴؤѴޤϺʬĴ椫饢ʥͤؤѴΣ	Conversion of analogue values to or from differential modulation	4062
H03M   3/02		ǥ륿ĴʤӥåȺʬĴΣ	Delta modulation, i.e. one-bit differential modulation	3829
H03M   3/04		ӥåȤκʬĴΣ	Differential modulation with several bits	1355
H03M   5/00		ġΥǥåȤɽѴΣ<br><br><b><ul></ul></b><br>롼ףȣͣȣͣˤƤϡ饹ȥץ쥤ͥ롼뤬ŬѤ롤ʤƳإ٥ˤȿؼʤ¤ꡤǸŬڤʲսʬह롣Σ	Conversion of the form of the representation of individual digits	870
H03M   5/02		ѥ륹ˤɽؤѴޤϥѥ륹ˤɽѴΣ	Conversion to or from representation by pulses	265
H03M   5/04		ͤĥѥ륹ˤΡΣ	the pulses having two levels	733
H03M   5/06		ΥӥåȥξΤߤ˰¸ƤΥӥåȥФɽ㡥ܡˤΡΣ	Code representation, e.g. transition, for a given bit cell depending only on the information in that bit cell	412
H03M   5/08		ѥ륹ˤɽΣ	Code representation by pulse width	504
H03M   5/10		ѥ륹ȿˤɽΣ	Code representation by pulse frequency	89
H03M   5/12		٥桤㡥ʬ桤ޥ桨ꥹڡޤϣޡ桤㡥żȿΣ	Biphase level code, e.g. split phase code, Manchester code; Biphase space or mark code, e.g. double frequency code	1319
H03M   5/14		ܤ룱ϤʾΥӥåȥξ˰¸ƤΥӥåȥФɽ㡥ܡˤΡ㡥ٱĴ桤ŽŤΣ	Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code	1101
H03M   5/16		ͤĥѥ륹ˤΡΣ	the pulses having three levels	583
H03M   5/18		ĤͤܤͤФоΤǤΡʤʿեХݡ飳Σ	two levels being symmetrical with respect to the third level, i.e. balanced bipolar ternary code	320
H03M   5/20		ͤ¿ͤĥѥ륹ˤΡΣ	the pulses having more than three levels	411
H03M   5/22		ȿˤɽؤѴޤȿˤɽѴΣ	Conversion to or from representation by sinusoidal signals	103
H03M   7/00		󤬥ǥåȤννޤϿˤäɽƤ椫顤Ʊξ󤬥ǥåȤΰۤʤޤϿˤäɽƤؤѴΣ<br><br><b><ul></ul></b><br>롼ףȣͣȣͣˤƤϡ饹ȥץ쥤ͥ롼뤬ŬѤ롤ʤƳإ٥ˤȿؼʤ¤ꡤǸŬڤʲսʬह롣Σ	Conversion of a code where information is represented by a given sequence or number of digits to a code where the same information is represented by a different sequence or number of digits	5366
H03M   7/02		ŤߤŤ桤ʤǥåȤͿ줿Ťߤϥ֥åޤΤΥǥåȰ֤˰¸ΡؤѴޤϽŤߤŤ椫ѴΣ	Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word	462
H03M   7/04		δǤΡΣ	the radix thereof being two	565
H03M   7/06		δȰۤʤǤΡΣ	the radix thereof being a positive integer different from two	156
H03M   7/08		δǤΡʤΣ	the radix being ten, i.e. pure decimal code	192
H03M   7/10		δǤΡΣ	the radix thereof being negative	7
H03M   7/12		ĤδĤΡ㡥ʲΣ	having two radices, e.g. binary-coded-decimal code	864
H03M   7/14		ŤߤŤؤѴޤŤߤŤ椫ѴΣ	Conversion to or from non-weighted codes	1645
H03M   7/16		˥åȥǥ桤㡥쥤桤ȿͣ桤ؤѴޤϥ˥åȥǥ椫ѴΣ	Conversion to or from unit-distance codes, e.g. Gray code, reflected binary code	575
H03M   7/18		;ؤѴޤϾ;椫ѴΣ	Conversion to or from residue codes	266
H03M   7/20		ȥ֣ؤѴޤϣȥ֣椫ѴΣ	Conversion to or from n-out-of-m codes	191
H03M   7/22		ȥ֣ؤѴޤϣȥ֣椫ѴΣ	to or from one-out-of-m codes	344
H03M   7/24		ưؤѴޤư椫ѴΣ	Conversion to or from floating-point codes	411
H03M   7/26		ȥƥåؤѴޤϥȥƥå椫ѴΣ	Conversion to or from stochastic codes	50
H03M   7/28		ץǽʹʤѴѴ뤿˥ڥ졼ˤѹǽǤ֤ޤΡΣ	Programmable structures, i.e. where the code converter contains apparatus which is operator-changeable to modify the conversion process	165
H03M   7/30		̡ʾĹθΤβʬϡݹǣ̣̿ѤΣȣΡˡĥɬפʥǡް㡤Ĺ٤θΣ	Compression(speech analysis-synthesis for redundancy reduction <b>G10L19/00</b>; for image communication <b>H04N</b>);Expansion; Suppression of unnecessary data, e.g. redundancy reduction	21527
H03M   7/32		ǥ륿Ĵ桤ʤӥåȺʬĴ桤ؤѴޤϥǥ륿Ĵ椫ѴΣ	Conversion to or from delta modulation, i.e. one-bit differential modulation	770
H03M   7/34		ŬΣ	adaptive	676
H03M   7/36		ӥåȤκʬĴ桤ʤϢ³ɸܤκ򣱥ӥåȤ¿ӥåȤ沽ΡؤѴޤϿӥåȤκʬĴ椫ѴΣ	Conversion to or from differential modulation with several bits, i.e. the difference between successive samples being coded by more than one bit	3348
H03M   7/38		ŬΣ	adaptive	932
H03M   7/40		Ĺ桤㡥Υ󡦥ե桤ϥեޥ桤⡼륹桤ؤѴޤϲĹ椫ѴΣ	Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code	5956
H03M   7/42		沽沽ɽȤΡ㡥꡼ɥ꡼꡼ȤΡΣ	using table look-up for the coding or decoding process, e.g. using read-only memory	1603
H03M   7/44		̵طΰ̡Σ	Suppression of irrelevant zeroes	32
H03M   7/46		󥰥桤ʤƱϢ³ǥåȤޤϥǥåȤηοɤǤޤμλؼԤäƤǥåȤɽ뤳ȤˤΡؤѴޤϥ󥰥椫ѴΣ	Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind	1688
H03M   7/48		Ѵδ֡¾ȸؤΡ㡥󥰥沽ƱΥǥåȤνʬĹ³¤ԤʤΡΣ	alternating with other codes during the code conversion process, e.g. run-length coding being performed only as long as sufficiently long runs of digits of the same kind are present	194
H03M   7/50		ؤѴޤ椫Ѵ㡥ˤΡΣ	Conversion to or from non-linear codes, e.g. companding	496
H03M   9/00		ľѴޤϤεդѴʾ󤬥ƥå׷ǰưǥ뵭֣ǣãˡΣ	Parallel/series conversion or <u>vice versa</u>(digital stores in which the information is moved stepwise <b>G11C19/00</b>)	3017
H03M  11/00		ܡɤޤϤ֤˴Ϣ沽ʤ줿ΰ֤沽ʥܡɥå֡ȥܡɤȤι¤ŪʷȣȣȣˣˡΣ	Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys(keyboard switch arrangements, structural association of coders and keyboards <b>H01H13/70</b>, <b>H03K17/94</b>)	1509
H03M  11/02		Σ	Details	363
H03M  11/04		¿ǽ沽Σ	Coding of multifunction keys	5670
H03M  11/06		¿ǽ켫Τ򤤤ˡ뤳ȤˤΡΣ	by operating the multifunction key itself in different ways	50
H03M  11/08		¿ǽȤ߹碌뤳ȤˤΡΣ	by operating selected combinations of multifunction keys	1194
H03M  11/10		η³֤ޤϰϤθФ˴ŤˡˤΡΣ	by methods based on duration or pressure detection of keystrokes	699
H03M  11/12		륭򤷤Ϣ³θ塤̤ߤ줿Ϣνλ򼨤󥿡򲡤ȤˤΡΣ	by operating a key a selected number of consecutive times whereafter a separate enter key is used which marks the end of the series	640
H03M  11/14		¿ǽˤäƿԤ뵡ǽꤹղåѤΡ㡥եȥѤΡΣ	by using additional keys, e.g. shift keys, which determine the function performed by the multifunction key	1955
H03M  11/16		¿ǽ˥եȥΡΣ	wherein the shift keys are operated after the operation of the multifunction keys	18
H03M  11/18		¿ǽ˥եȥΡΣ	wherein the shift keys are operated before the operation of the multifunction keys	78
H03M  11/20		ưŪ沽ʤˤΡʣȣͣͥˡΣ	Dynamic coding, i.e. by key scanning(<b>H03M11/26</b> takes precedence)	1679
H03M  11/22		Ū沽ʣȣͣͥˡΣ	Static coding(<b>H03M11/26</b> takes precedence)	1343
H03M  11/24		ʥʤѤΡΣ	using analogue means	362
H03M  11/26		ץȥ쥯ȥ˥ʤѤΡΣ	using opto-electronic means	81
H03M  13/00		θФޤϸΤ沽沽ޤѴδŪꡨ沽θ³Ψɾˡ̿ϩǥ롨Υߥ졼ޤϻʥʥǥѴǥ롿ʥѴޤѴΤθθФޤϸȣͣȣͣǥ׻äŬ礹ΣǣƣϿôΤѴȤδ֤бư˴Ť󵭲ΤΤΣǣ¡㡥ǣ£ŪΤΤΣǣáˡΣ	Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes(error detection or error correction for analogue/digital, digital/analogue or code conversion <b>H03M1/00 to H03M11/00</b> ;  specially adapted for digital computers <b>G06F11/08</b>;  for information storage based on relative movement between record carrier and transducer <b>G11B</b>, e.g. <b>G11B20/18</b>;  for static stores <b>G11C</b>)	15937
H03M  13/01		δŪꡨ沽θ³Ψɾˡ̿ϩǥ롨Υߥ졼ޤϻΣ	Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes	476
H03M  13/03		ǡɽξĹ˴Ť긡Фޤʤ夬θ¿ΥǥåȤޤΡΣ	Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words	2475
H03M  13/05		֥åѤΡʤ˷᤿θӥåȤ˷᤿ξӥåȤղäΡΣ	using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits	2523
H03M  13/07		Σ	Arithmetic codes	217
H03M  13/09		긡ФΤߡ㡤ĹΣãңá桤ޤñѥƥӥåȤѤΡΣ	Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit	3294
H03M  13/11		ʣΥѥƥӥåȤѤΡΣ	using multiple parity bits	6483
H03M  13/13		Σ	Linear codes	2549
H03M  13/15		桤ʤ󥷥եȤ̤ȤʤΡ㡤¿༰桤ܡɡꡦå󥸥Σ£ݣãݣȣϡΣ£ãȡʣȣͣͥˡΣ	Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes(<b>H03M13/17</b> takes precedence)	4626
H03M  13/17		Сȸ㡤ȥåԥ󥰡եΣ	Burst error correction, e.g. error trapping, Fire codes	239
H03M  13/19		Ȥʤñ㡤ϥߥ桤ޤϰ̲줿ϥߥΣ	Single error correction without using particular properties of the cyclic codes, e.g. Hamming codes, extended or generalised Hamming codes	1691
H03M  13/21		桤㡤긡Фޤϸȼӥåȡǡ줫ݥӥåȥǡؤΡΣ£¡ѴΣ	Non-linear codes, e.g. m-bit data word to n-bit code word [mBnB] conversion with error detection or error correction	96
H03M  13/23		߹ѤΡ㡥˥åȡΣ	using convolutional codes, e.g. unit memory codes	3118
H03M  13/25		沽ˤ긡Фޤʤ֤˾ĹղäΡ㡥ȥꥹ沽ĴΣԣã͡ϡΣ	Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]	1875
H03M  13/27		󥿡꡼ֵѤѤΡΣ	using interleaving techniques	4367
H03M  13/29		İʾޤ湽¤Ȥ߹碌Ρ㡥桤̲줿桤Ϣ桤椪ӳΣ	combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes	5616
H03M  13/31		긡ФޤΤ沽ӡڥȥΨŪѤ뤿沽Ȥ߹碌ʸ긡ФޤԤʤΣȣͣˡΣ	combining coding for error detection or correction and efficient use of the spectrum(without error detection or correction <b>H03M5/14</b>)	305
H03M  13/33		沽ޤ沽˴ŤƱΣ	Synchronisation based on error coding or decoding	289
H03M  13/35		ԶѰݸŬθݸ㡥ξν˱ơۤʤ٥ݸͿΡޤϡͥѲ˱沽ŬΡΣ	Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics	1309
H03M  13/37		ȣͣȣͣޤǤΥ롼פʬवƤμ沽˸ꤵʤ沽ˡޤϵѡΣ	Decoding methods or techniques, not specific to the particular type of coding provided for in groups <b>H03M13/03 to H03M13/35</b> 	2081
H03M  13/39		ꡤʤƹۤ뤿ŪˡѤΡΣ	Sequence estimation, i.e using statistical methods for the reconstruction of the original codes	1057
H03M  13/41		ӥӡ르ꥺޤϥӥӡץåѤΡΣ	using the Viterbi algorithm or Viterbi processors	2255
H03M  13/43		¿桤ޤϡΣ	Majority logic or threshold decoding	262
H03M  13/45		եȡǥǥ󥰡ʤοѤΡʣȣͣͥˡΣ	Soft decoding, i.e. using symbol reliability information(<b>H03M13/41</b> takes precedence)	1746
H03M  13/47		ȣͣȣͣޤǤΥ롼פʬवʤ긡С뤤ϸݸΣ	Error detection, forward error correction or error protection, not provided for in groups <b>H03M13/01 to H03M13/37</b> 	469
H03M  13/49		ñθ긡ФޤΣ	Unidirectional error detection or correction	43
H03M  13/51		Ťߤ桨ȥ֣桨СΣ	Constant weight codes; n-out-of-m codes; Berger codes	631
H03M  13/53		եܥʥåѤΣ	Codes using Fibonacci numbers series	106
H03M  99/00		Υ֥饹¾Υ롼פʬवʤΣ	Subject matter not provided for in other groups of this subclass	43
