FR2116474A1 - - Google Patents

Info

Publication number
FR2116474A1
FR2116474A1 FR7143144A FR7143144A FR2116474A1 FR 2116474 A1 FR2116474 A1 FR 2116474A1 FR 7143144 A FR7143144 A FR 7143144A FR 7143144 A FR7143144 A FR 7143144A FR 2116474 A1 FR2116474 A1 FR 2116474A1
Authority
FR
France
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
FR7143144A
Other versions
FR2116474B1 (fr
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
Publication of FR2116474A1 publication Critical patent/FR2116474A1/fr
Application granted granted Critical
Publication of FR2116474B1 publication Critical patent/FR2116474B1/fr
Expired 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)
  • Analogue/Digital Conversion (AREA)
FR717143144A 1970-12-02 1971-12-01 Expired FR2116474B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9445870A 1970-12-02 1970-12-02

Publications (2)

Publication Number Publication Date
FR2116474A1 true FR2116474A1 (fr) 1972-07-13
FR2116474B1 FR2116474B1 (fr) 1974-06-21

Family

ID=22245304

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717143144A Expired FR2116474B1 (fr) 1970-12-02 1971-12-01

Country Status (10)

Country Link
US (1) US3706944A (fr)
JP (1) JPS5414467B1 (fr)
BE (1) BE775961A (fr)
CA (1) CA941507A (fr)
DE (1) DE2159575C3 (fr)
FR (1) FR2116474B1 (fr)
GB (1) GB1355543A (fr)
IT (1) IT943134B (fr)
NL (1) NL7116378A (fr)
SE (1) SE387797B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476942A1 (fr) * 1980-02-25 1981-08-28 Tektronix Inc Base de temps numerique avec commutation coherente du taux d'horloge d'echantillonnage

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5120148B1 (fr) * 1971-05-19 1976-06-23
US3806806A (en) * 1972-11-20 1974-04-23 Bell Telephone Labor Inc Adaptive data modulator
US3878465A (en) * 1972-12-15 1975-04-15 Univ Sherbrooke Instantaneous adaptative delta modulation system
US3827046A (en) * 1973-04-25 1974-07-30 Rockwell International Corp Filtered duty cycle feedback analog to digital converter
US3896399A (en) * 1973-07-19 1975-07-22 Motorola Inc Loop filter for delta modulator
US3890467A (en) * 1973-11-01 1975-06-17 Communications Satellite Corp Digital voice switch for use with delta modulation
JPS547525B2 (fr) * 1973-12-28 1979-04-07
US3922619A (en) * 1974-01-28 1975-11-25 Bell Telephone Labor Inc Compressed differential pulse code modulator
US4035724A (en) * 1974-05-08 1977-07-12 Universite De Sherbrooke Digital converter from continuous variable slope delta modulation to pulse code modulation
US3979676A (en) * 1974-10-21 1976-09-07 International Standard Electric Corporation Delta modulation apparatus
US4025852A (en) * 1975-10-14 1977-05-24 Bell Telephone Laboratories, Incorporated Method and arrangement for controlling delta modulator idle-channel noise
US4199722A (en) * 1976-06-30 1980-04-22 Israel Paz Tri-state delta modulator
US4467291A (en) * 1981-11-23 1984-08-21 U.S. Philips Corporation Delta modulator having optimized loop filter
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
GB2157516A (en) * 1984-04-09 1985-10-23 Mobil Oil Corp Delta modulator
GB2159674B (en) * 1984-04-19 1987-09-09 Motorola Israel Ltd A delta modulator/demodulator
GB8804811D0 (en) * 1988-03-01 1988-03-30 Shaye Communications Ltd Waveform encoder/decoder
US5124706A (en) * 1989-09-15 1992-06-23 Wavephore, Inc. Analog to digital and digital to analog signal processors
US5113189A (en) * 1991-06-21 1992-05-12 Motorola, Inc. Frequency translating coherent analog to digital conversion system for modulated signals
US5208595A (en) * 1991-08-21 1993-05-04 Wavephore, Inc. Digitally controlled adaptive slew rate delta modulator
US5727023A (en) * 1992-10-27 1998-03-10 Ericsson Inc. Apparatus for and method of speech digitizing
JPH09266447A (ja) * 1996-03-28 1997-10-07 Sony Corp 語長変換装置及びデータ処理装置
US6563448B1 (en) 2002-04-29 2003-05-13 Texas Instruments Incorporated Flexible sample rate converter for multimedia digital-to-analog conversion in a wireless telephone

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273141A (en) * 1963-03-19 1966-09-13 Ball Brothers Res Corp High speed analog-to-digital converter
US3270335A (en) * 1963-09-18 1966-08-30 Ball Brothers Res Corp High speed delta encoder
US3461244A (en) * 1966-08-16 1969-08-12 Bell Telephone Labor Inc Delta modulation system with continuously variable compander
US3497624A (en) * 1966-08-16 1970-02-24 Bell Telephone Labor Inc Continuously compounded delta modulation
US3500441A (en) * 1967-10-12 1970-03-10 Bell Telephone Labor Inc Delta modulation with discrete companding
US3609551A (en) * 1968-06-28 1971-09-28 Bell Telephone Labor Inc Discrete-continuous companding for a digital transmission system
DE1960532A1 (de) * 1968-12-06 1970-06-18 Western Electric Co Deltamodulationssystem
JPS5438625B2 (fr) * 1972-06-20 1979-11-22

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
(REVUE AMERICAINE TELECOMMUNICATIONS & RADIO ENGINEERING ,VOLUME 24 *
25 DECEMBRE 1970,NO 12, *
25 DECEMBRE 1970,NO 12, PART 2,PAGES 63 A 66 PUBLIE EN JUILLET 1971 ,ARTICLE :"INVESTIGATION OF THE ARTICULATION CHARACTERISTICS OF SOME DELTA-MODULATION METHODS APPLICATION CHARACTERISTICS OF SOME DELTA- MODULATION METHODS APPLICABLE TO ADDRESS,THPE ASYNCHROOUS COMMUNICATION SYSTEMS",AUTEURS: KOZLENKO-SHKARBANOV.) *
CHARACTERISTICS OF SOME DELTA-MODULATION METHODS APPLICATION CHARACTERISTICS OF SOME DELTA- *
KOZLENKO-SHKARBANOV.) *
MODULATION METHODS APPLICABLE TO ADDRESS,THPE ASYNCHROOUS COMMUNICATION SYSTEMS",AUTEURS: *
PART 2,PAGES 63 A 66 PUBLIE EN JUILLET 1971 ,ARTICLE :"INVESTIGATION OF THE ARTICULATION *
REVUE AMERICAINE TELECOMMUNICATIONS & RADIO ENGINEERING ,VOLUME 24 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476942A1 (fr) * 1980-02-25 1981-08-28 Tektronix Inc Base de temps numerique avec commutation coherente du taux d'horloge d'echantillonnage

Also Published As

Publication number Publication date
CA941507A (en) 1974-02-05
BE775961A (fr) 1972-03-16
US3706944A (en) 1972-12-19
DE2159575A1 (de) 1972-06-15
FR2116474B1 (fr) 1974-06-21
DE2159575C3 (de) 1981-07-23
SE387797B (sv) 1976-09-13
NL7116378A (fr) 1972-06-06
GB1355543A (en) 1974-06-05
IT943134B (it) 1973-04-02
JPS5414467B1 (fr) 1979-06-07
DE2159575B2 (de) 1980-12-04

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Legal Events

Date Code Title Description
ST Notification of lapse