CA982267A - Digital-to-analog conversion using multiple decoders - Google Patents

Digital-to-analog conversion using multiple decoders

Info

Publication number
CA982267A
CA982267A CA171,426A CA171426A CA982267A CA 982267 A CA982267 A CA 982267A CA 171426 A CA171426 A CA 171426A CA 982267 A CA982267 A CA 982267A
Authority
CA
Canada
Prior art keywords
digital
analog conversion
multiple decoders
decoders
analog
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.)
Expired
Application number
CA171,426A
Other languages
English (en)
Other versions
CA171426S (en
Inventor
Stuart K. Tewksbury
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA982267A publication Critical patent/CA982267A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
CA171,426A 1972-11-08 1973-05-15 Digital-to-analog conversion using multiple decoders Expired CA982267A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00304643A US3831167A (en) 1972-11-08 1972-11-08 Digital-to-analog conversion using multiple decoders

Publications (1)

Publication Number Publication Date
CA982267A true CA982267A (en) 1976-01-20

Family

ID=23177362

Family Applications (1)

Application Number Title Priority Date Filing Date
CA171,426A Expired CA982267A (en) 1972-11-08 1973-05-15 Digital-to-analog conversion using multiple decoders

Country Status (6)

Country Link
US (1) US3831167A (he)
JP (1) JPS49126248A (he)
CA (1) CA982267A (he)
DE (1) DE2355579A1 (he)
FR (1) FR2205785A1 (he)
NL (1) NL7315245A (he)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2348831C3 (de) * 1973-09-28 1980-08-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digital-Analogwandler
CA1068822A (en) * 1974-06-24 1979-12-25 Ching-Long Song Digital to analog converter for a communication system
US4044306A (en) * 1974-07-26 1977-08-23 Universite De Snerbrooke Digital converter from pulse code modulation to continuous variable slope delta modulation
US3996456A (en) * 1975-02-13 1976-12-07 Armco Steel Corporation Recursive interpolation
US4109110A (en) * 1975-02-20 1978-08-22 International Standard Electric Corporation Digital-to-analog converter
US3967272A (en) * 1975-04-25 1976-06-29 The United States Of America As Represented By The Secretary Of The Navy Digital to analog converter
US4058805A (en) * 1975-06-16 1977-11-15 Comdial Corporation Digital multitone generator for telephone dialing
JPS52444A (en) * 1975-06-23 1977-01-05 Advantest Corp Analog-digital converter
JPS52149059A (en) * 1976-06-04 1977-12-10 Nippon Telegr & Teleph Corp <Ntt> Digital-analog converter
JPS5753144A (en) * 1980-09-16 1982-03-30 Nippon Telegr & Teleph Corp <Ntt> Digital-analogue converter
DE3043727A1 (de) * 1980-11-20 1982-06-24 BBC Aktiengesellschaft Brown, Boveri & Cie., 5401 Baden, Aargau Verfahren zum periodischen wandeln eines digitalwertes in einen analogwert
US6052075A (en) * 1981-09-03 2000-04-18 Canon Kabushiki Kaisha Data processing device having a D/A function
JPS5934796A (ja) * 1982-08-20 1984-02-25 Matsushita Electric Ind Co Ltd デジタル信号再生装置
JPS5934795A (ja) * 1982-08-20 1984-02-25 Matsushita Electric Ind Co Ltd デジタル信号再生装置
DE3400665A1 (de) * 1984-01-11 1985-07-18 Robert Bosch Gmbh, 7000 Stuttgart Differentielles pulscodemodulationssystem
US4587477A (en) * 1984-05-18 1986-05-06 Hewlett-Packard Company Binary scaled current array source for digital to analog converters
JPS62124A (ja) * 1985-06-26 1987-01-06 Mitsubishi Electric Corp パルス幅変調回路
DE3778554D1 (de) * 1987-12-10 1992-05-27 Itt Ind Gmbh Deutsche Digital/analog-wandler mit zyklischer ansteuerung von stromquellen.
JP2002271204A (ja) * 2001-03-07 2002-09-20 Sakai Yasue 補間関数生成装置および方法、デジタル−アナログ変換装置、データ補間装置、プログラム並びに記録媒体
US20040228545A1 (en) * 2003-05-12 2004-11-18 Kwang-Bo Cho Multisampling with reduced bit samples

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE754963A (fr) * 1969-08-20 1971-02-01 Western Electric Co Systeme de communication a impulsions codees differentielles
US3707680A (en) * 1970-05-20 1972-12-26 Communications Satellite Corp Digital differential pulse code modulation system
SE346434B (he) * 1970-06-05 1972-07-03 Ericsson Telefon Ab L M
US3723879A (en) * 1971-12-30 1973-03-27 Communications Satellite Corp Digital differential pulse code modem

Also Published As

Publication number Publication date
JPS49126248A (he) 1974-12-03
FR2205785A1 (he) 1974-05-31
US3831167A (en) 1974-08-20
NL7315245A (he) 1974-05-10
DE2355579A1 (de) 1974-05-16

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