RO91607A - Convertor de cod pentru modulatie prin impulsuri codificate - Google Patents

Convertor de cod pentru modulatie prin impulsuri codificate

Info

Publication number
RO91607A
RO91607A RO84115734A RO11573484A RO91607A RO 91607 A RO91607 A RO 91607A RO 84115734 A RO84115734 A RO 84115734A RO 11573484 A RO11573484 A RO 11573484A RO 91607 A RO91607 A RO 91607A
Authority
RO
Romania
Prior art keywords
law
pcm
pulse modulation
code converter
coded pulse
Prior art date
Application number
RO84115734A
Other languages
English (en)
French (fr)
Other versions
RO91607B (ro
Inventor
Dirk Herman
Cornelius R Lutgardis
Rene H Didier
Original Assignee
International Standard Electric Corp,Us
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Standard Electric Corp,Us filed Critical International Standard Electric Corp,Us
Publication of RO91607A publication Critical patent/RO91607A/ro
Publication of RO91607B publication Critical patent/RO91607B/ro

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H03K17/693Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H03K17/6871Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor
    • H03K17/6872Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors the output circuit comprising more than one controlled field-effect transistor using complementary field-effect transistors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K9/00Demodulating pulses which have been modulated with a continuously-variable signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/50Conversion to or from non-linear codes, e.g. companding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034A/D conversion, code compression/expansion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13107Control equipment for a part of the connection, distributed control, co-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13216Code signals, frame structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13292Time division multiplexing, TDM
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13305Transistors, semiconductors in general
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1332Logic circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13396Signaling in general, in-band signalling

Landscapes

  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Amplifiers (AREA)
  • Details Of Television Scanning (AREA)
  • Semiconductor Lasers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Fats And Perfumes (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Glass Compositions (AREA)
  • Steroid Compounds (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silicon Polymers (AREA)
  • Cereal-Derived Products (AREA)
RO115734A 1983-09-19 1984-09-18 Convertor de cod pentru modulatie prin impulsuri codificate RO91607B (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2/60209A BE897773A (nl) 1983-09-19 1983-09-19 Pulse code modulatie omzetter

Publications (2)

Publication Number Publication Date
RO91607A true RO91607A (ro) 1987-05-15
RO91607B RO91607B (ro) 1987-05-31

Family

ID=3865654

Family Applications (1)

Application Number Title Priority Date Filing Date
RO115734A RO91607B (ro) 1983-09-19 1984-09-18 Convertor de cod pentru modulatie prin impulsuri codificate

Country Status (23)

Country Link
US (1) US4610018A (ro)
EP (1) EP0145039B1 (ro)
JP (1) JPS60178716A (ro)
KR (1) KR850002716A (ro)
AT (1) ATE51986T1 (ro)
AU (3) AU570501B2 (ro)
BE (1) BE897773A (ro)
BR (1) BR8404596A (ro)
CA (1) CA1249371A (ro)
DD (1) DD229258A5 (ro)
DE (1) DE3481964D1 (ro)
EG (1) EG16761A (ro)
ES (1) ES8701438A1 (ro)
FI (1) FI843642L (ro)
HU (1) HU198257B (ro)
MX (1) MX161788A (ro)
NO (1) NO843683L (ro)
PT (1) PT79225B (ro)
RO (1) RO91607B (ro)
SU (1) SU1702879A3 (ro)
TR (1) TR22618A (ro)
YU (1) YU45660B (ro)
ZA (1) ZA847074B (ro)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178879A (en) * 1985-08-09 1987-02-18 Plessey Co Plc Signal conversion circuits
CA1240063A (en) * 1986-02-25 1988-08-02 Milan Skubnik Digital companding circuit
EP0272714B1 (en) * 1986-11-17 1992-06-24 Alcatel N.V. Adjustable echo canceller
FR2612024A1 (fr) * 1987-02-25 1988-09-09 Mitel Corp Circuit de compression et d'extension de signaux numeriques
EP0455893B1 (en) * 1990-05-11 1995-02-01 Alcatel N.V. Telecommunication line circuit
US5646946A (en) * 1995-10-30 1997-07-08 Motorola, Inc. Apparatus and method for selectively companding data on a slot-by-slot basis
US5883925A (en) * 1995-11-16 1999-03-16 International Business Machines Corporation Pulse code modulation compression mechanism
US5991278A (en) 1996-08-13 1999-11-23 Telogy Networks, Inc. Asymmetric modem communications system and method
US6549569B1 (en) 1999-04-09 2003-04-15 Siemens Information & Communication Networks, Inc. System and method for improving conversion between A-law and U-law coding
KR101418711B1 (ko) * 2012-12-27 2014-08-06 주식회사 선익시스템 기판 얼라인 모듈과 이를 구비한 증착장치
ES2843001T3 (es) 2017-03-31 2021-07-15 Trisa Holding Ag Cepillo eléctrico para el aseo corporal

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2011056B2 (de) * 1970-03-09 1971-12-16 Krone Gmbh, 1000 Berlin Pulscodedemodulator mit dehnercharakteristik aufweisender knickkennlinie
US3778605A (en) * 1971-04-16 1973-12-11 Bell Telephone Labor Inc Digital expandor for pcm code words
US3937897A (en) * 1974-07-25 1976-02-10 North Electric Company Signal coding for telephone communication system
GB1597468A (en) * 1977-06-02 1981-09-09 Post Office Conversion between linear pcm representation and compressed pcm
JPS55117332A (en) * 1979-03-02 1980-09-09 Fujitsu Ltd Code converting system
US4311988A (en) * 1979-04-05 1982-01-19 Motorola Inc. Programmable A-law and μ-law DAC
JPS5627546A (en) * 1979-08-13 1981-03-17 Nec Corp Block compressing coder
DE3104513C2 (de) * 1981-02-09 1983-03-31 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Umwandlung linear codierter PCM-Worte in nichtlinear codierte PCM-Worte und umgekehrt nichtlinear codierter PCM-Worte in linear codierte PCM-Worte gemäß einer dem A-Gesetz gehorchenden 13-Segment-Kennlinie
US4370632A (en) * 1981-05-08 1983-01-25 Motorola, Inc. Multiple function operational amplifier circuit

Also Published As

Publication number Publication date
US4610018A (en) 1986-09-02
EP0145039A2 (en) 1985-06-19
FI843642A0 (fi) 1984-09-18
EG16761A (en) 1989-06-30
AU8263487A (en) 1988-04-14
DE3481964D1 (de) 1990-05-17
KR850002716A (ko) 1985-05-15
NO843683L (no) 1985-03-20
MX161788A (es) 1990-12-27
AU570501B2 (en) 1988-03-17
AU8263387A (en) 1988-04-14
ZA847074B (en) 1985-04-24
ES536073A0 (es) 1986-10-16
JPS60178716A (ja) 1985-09-12
CA1249371A (en) 1989-01-24
HUT38770A (en) 1986-06-30
HU198257B (en) 1989-08-28
EP0145039A3 (en) 1986-12-30
BE897773A (nl) 1984-03-19
AU592028B2 (en) 1989-12-21
YU45660B (sh) 1992-07-20
RO91607B (ro) 1987-05-31
PT79225A (en) 1984-10-01
ATE51986T1 (de) 1990-04-15
ES8701438A1 (es) 1986-10-16
TR22618A (tr) 1988-01-11
EP0145039B1 (en) 1990-04-11
AU3299984A (en) 1985-03-28
DD229258A5 (de) 1985-10-30
PT79225B (en) 1986-08-22
AU590138B2 (en) 1989-10-26
FI843642L (fi) 1985-03-20
YU160484A (en) 1987-10-31
BR8404596A (pt) 1985-08-06
SU1702879A3 (ru) 1991-12-30

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