FR946925A - Système de communication - Google Patents

Système de communication

Info

Publication number
FR946925A
FR946925A FR946925DA FR946925A FR 946925 A FR946925 A FR 946925A FR 946925D A FR946925D A FR 946925DA FR 946925 A FR946925 A FR 946925A
Authority
FR
France
Prior art keywords
communication system
communication
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
Other languages
English (en)
French (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
Application granted granted Critical
Publication of FR946925A publication Critical patent/FR946925A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/82—Digital/analogue converters with intermediate conversion to time interval
    • H03M1/822—Digital/analogue converters with intermediate conversion to time interval using pulse width modulation
    • H03M1/827—Digital/analogue converters with intermediate conversion to time interval using pulse width modulation in which the total pulse width is distributed over multiple shorter pulse widths

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Control Of Amplification And Gain Control (AREA)
FR946925D 1945-07-09 1947-05-19 Système de communication Expired FR946925A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US603990A US2464607A (en) 1945-07-09 1945-07-09 Pulse code modulation communication system

Publications (1)

Publication Number Publication Date
FR946925A true FR946925A (fr) 1949-06-17

Family

ID=24417729

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946925D Expired FR946925A (fr) 1945-07-09 1947-05-19 Système de communication

Country Status (7)

Country Link
US (1) US2464607A (de)
BE (1) BE473323A (de)
CH (1) CH287037A (de)
DE (1) DE892605C (de)
FR (1) FR946925A (de)
GB (1) GB630095A (de)
NL (1) NL77660C (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL77660C (de) * 1945-07-09 1900-01-01
US2629857A (en) * 1946-08-10 1953-02-24 Int Standard Electric Corp Communication system utilizing constant amplitude pulses of opposite polarities
US2640105A (en) * 1947-10-10 1953-05-26 Bell Telephone Labor Inc Wave transmission system and method for synthesizing a given electrical characteristic
US2610295A (en) * 1947-10-30 1952-09-09 Bell Telephone Labor Inc Pulse code modulation communication system
GB644932A (en) * 1948-01-16 1950-10-18 Standard Telephones Cables Ltd Improvements in or relating to signal compression and expansion arrangements in electric communication systems
GB664401A (en) * 1948-03-25 1952-01-09 Nat Res Dev Improvements in thermionic valve circuits
US2541932A (en) * 1948-05-19 1951-02-13 Bell Telephone Labor Inc Multiplex speech interpolation system
BE489207A (de) * 1948-05-22
US2603714A (en) * 1948-09-01 1952-07-15 Bell Telephone Labor Inc Percentage time division multiplex for pulse code modulation
US2592308A (en) * 1948-09-01 1952-04-08 Bell Telephone Labor Inc Nonlinear pulse code modulation system
BE491489A (de) * 1948-10-04
US2710397A (en) * 1950-06-24 1955-06-07 George E Foster Electrical measuring apparatus
FR1113752A (fr) * 1950-09-22 1956-04-04 Thomson Houston Comp Francaise Dispositif de modulation pour systèmes de communication par impulsions codées

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1928093A (en) * 1927-04-11 1933-09-26 Harold B Coyle Signaling system
NL88393C (de) * 1937-06-18
US2262838A (en) * 1937-11-19 1941-11-18 Int Standard Electric Corp Electric signaling system
US2352634A (en) * 1938-07-18 1944-07-04 Maury I Hull Signaling system
NL87334C (de) * 1938-10-03
US2415329A (en) * 1944-11-06 1947-02-04 Arndt Oscar Center drill
NL77660C (de) * 1945-07-09 1900-01-01
US2508622A (en) * 1945-07-09 1950-05-23 Bell Telephone Labor Inc Pulse code modulation communication system

Also Published As

Publication number Publication date
CH287037A (fr) 1952-11-15
US2464607A (en) 1949-03-15
NL77660C (de) 1900-01-01
BE473323A (de) 1900-01-01
GB630095A (en) 1949-10-05
DE892605C (de) 1953-10-08

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