JPS57116421A - Arithmetic circuit for delta amount - Google Patents

Arithmetic circuit for delta amount

Info

Publication number
JPS57116421A
JPS57116421A JP198581A JP198581A JPS57116421A JP S57116421 A JPS57116421 A JP S57116421A JP 198581 A JP198581 A JP 198581A JP 198581 A JP198581 A JP 198581A JP S57116421 A JPS57116421 A JP S57116421A
Authority
JP
Japan
Prior art keywords
delta
amount
logic
terminals
adder
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.)
Granted
Application number
JP198581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6313606B2 (enExample
Inventor
Hiroaki Suzuki
Itsuo Sasaki
Masakazu Kamichika
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP198581A priority Critical patent/JPS57116421A/ja
Priority to US06/335,652 priority patent/US4532494A/en
Priority to EP82300050A priority patent/EP0056299B1/en
Priority to DE8282300050T priority patent/DE3264340D1/de
Publication of JPS57116421A publication Critical patent/JPS57116421A/ja
Publication of JPS6313606B2 publication Critical patent/JPS6313606B2/ja
Granted 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP198581A 1981-01-09 1981-01-09 Arithmetic circuit for delta amount Granted JPS57116421A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP198581A JPS57116421A (en) 1981-01-09 1981-01-09 Arithmetic circuit for delta amount
US06/335,652 US4532494A (en) 1981-01-09 1981-12-30 Adaptive delta codec which varies a delta signal in accordance with a characteristic of an input analog signal
EP82300050A EP0056299B1 (en) 1981-01-09 1982-01-06 Circuit for generating a delta value
DE8282300050T DE3264340D1 (en) 1981-01-09 1982-01-06 Circuit for generating a delta value

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP198581A JPS57116421A (en) 1981-01-09 1981-01-09 Arithmetic circuit for delta amount

Publications (2)

Publication Number Publication Date
JPS57116421A true JPS57116421A (en) 1982-07-20
JPS6313606B2 JPS6313606B2 (enExample) 1988-03-26

Family

ID=11516783

Family Applications (1)

Application Number Title Priority Date Filing Date
JP198581A Granted JPS57116421A (en) 1981-01-09 1981-01-09 Arithmetic circuit for delta amount

Country Status (1)

Country Link
JP (1) JPS57116421A (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54114963A (en) * 1978-02-27 1979-09-07 Nec Corp Adaptive quantized circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54114963A (en) * 1978-02-27 1979-09-07 Nec Corp Adaptive quantized circuit

Also Published As

Publication number Publication date
JPS6313606B2 (enExample) 1988-03-26

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