JPS54119908A - Digital encoder - Google Patents

Digital encoder

Info

Publication number
JPS54119908A
JPS54119908A JP1273679A JP1273679A JPS54119908A JP S54119908 A JPS54119908 A JP S54119908A JP 1273679 A JP1273679 A JP 1273679A JP 1273679 A JP1273679 A JP 1273679A JP S54119908 A JPS54119908 A JP S54119908A
Authority
JP
Japan
Prior art keywords
digital encoder
encoder
digital
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP1273679A
Other languages
English (en)
Inventor
Yuujin Defuriitasu Richiyaado
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deltalab Research Inc
Original Assignee
Deltalab Research Inc
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 Deltalab Research Inc filed Critical Deltalab Research Inc
Publication of JPS54119908A publication Critical patent/JPS54119908A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]
    • H03M3/024—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM] using syllabic companding, e.g. continuously variable slope delta modulation [CVSD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP1273679A 1978-02-06 1979-02-06 Digital encoder Pending JPS54119908A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/875,336 US4190801A (en) 1978-02-06 1978-02-06 Digital encoding circuitry

Publications (1)

Publication Number Publication Date
JPS54119908A true JPS54119908A (en) 1979-09-18

Family

ID=25365619

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1273679A Pending JPS54119908A (en) 1978-02-06 1979-02-06 Digital encoder

Country Status (4)

Country Link
US (1) US4190801A (ja)
JP (1) JPS54119908A (ja)
DE (1) DE2904454A1 (ja)
GB (1) GB2014005B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5658324A (en) * 1979-10-18 1981-05-21 Matsushita Electric Ind Co Ltd Signal modulation and demodulation circuit

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2923977C2 (de) * 1979-06-13 1983-12-08 Siemens AG, 1000 Berlin und 8000 München Nichtlinearer Δ M-Decoder
US4254502A (en) * 1979-08-30 1981-03-03 Deltalab Research, Inc. Digital encoding circuitry
USRE31720E (en) * 1979-08-30 1984-10-30 Deltalab Research, Inc. Digital encoding circuitry
US4313204A (en) * 1979-10-29 1982-01-26 Deltalab Research, Inc. Digital encoding circuitry with means to reduce quantization noise
US4462106A (en) * 1982-01-13 1984-07-24 Deltalab Research, Inc. Digital encoding circuitry
US4616349A (en) * 1982-11-22 1986-10-07 Mobil Oil Corporation Analog-to-digital converter for seismic exploration using delta modulation
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
US4811019A (en) * 1986-05-30 1989-03-07 Shure Brothers Incorporated, Inc. Delta modulation encoding/decoding circuitry
US5459432A (en) * 1993-07-22 1995-10-17 Rockwell International Corporation Use of a chopper and a sigma-delta modulator for downconverting and digitizing an analog signal including information modulated by a carrier

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582784A (en) * 1968-10-18 1971-06-01 Bell Telephone Labor Inc Delta modulation system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109987A (en) * 1961-12-18 1963-11-05 Automatic Elect Lab Improved integrator
GB1095457A (ja) * 1965-09-21
DE1951055C3 (de) * 1969-10-10 1981-10-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung für die periodische Übertragung von Nachrichtensignalen mittels eines Impuls-Deltamodulator
US3831092A (en) * 1971-04-13 1974-08-20 Philips Corp Transmitter for the transmission of signals by pulse code modulation
US3857111A (en) * 1973-03-20 1974-12-24 Univ Sherbrooke Syllabic adaptative delta modulation system
JPS5027418A (ja) * 1973-03-21 1975-03-20
US3918042A (en) * 1974-04-29 1975-11-04 Motorola Inc Delta modulator having increased dynamic range
US4017849A (en) * 1975-08-28 1977-04-12 Bell Telephone Laboratories, Incorporated Apparatus for analog to digital conversion
US4071825A (en) * 1976-05-17 1978-01-31 Rca Corporation Adaptive delta modulation system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582784A (en) * 1968-10-18 1971-06-01 Bell Telephone Labor Inc Delta modulation system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5658324A (en) * 1979-10-18 1981-05-21 Matsushita Electric Ind Co Ltd Signal modulation and demodulation circuit
JPS6255328B2 (ja) * 1979-10-18 1987-11-19 Matsushita Electric Ind Co Ltd

Also Published As

Publication number Publication date
US4190801A (en) 1980-02-26
GB2014005A (en) 1979-08-15
GB2014005B (en) 1982-07-14
US4190801B1 (ja) 1985-04-02
DE2904454A1 (de) 1979-08-09

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