FR939273A - Improvements in communication systems using pulse modulation - Google Patents

Improvements in communication systems using pulse modulation

Info

Publication number
FR939273A
FR939273A FR939273DA FR939273A FR 939273 A FR939273 A FR 939273A FR 939273D A FR939273D A FR 939273DA FR 939273 A FR939273 A FR 939273A
Authority
FR
France
Prior art keywords
communication systems
pulse modulation
modulation
pulse
systems
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
French (fr)
Inventor
Prafulla Kumar Chatterjea
James Kinloch Beney
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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
Priority claimed from GB2559344A external-priority patent/GB596654A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR939273A publication Critical patent/FR939273A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
FR939273D 1944-12-20 1946-08-29 Improvements in communication systems using pulse modulation Expired FR939273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2559344A GB596654A (en) 1944-12-20 Improvements in or relating to pulse modulation communication systems

Publications (1)

Publication Number Publication Date
FR939273A true FR939273A (en) 1948-11-09

Family

ID=10230194

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939273D Expired FR939273A (en) 1944-12-20 1946-08-29 Improvements in communication systems using pulse modulation

Country Status (3)

Country Link
US (1) US2441954A (en)
BE (1) BE476259A (en)
FR (1) FR939273A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519030A (en) * 1946-10-29 1950-08-15 Gen Electric Mixer circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2061734A (en) * 1934-09-29 1936-11-24 Rca Corp Signaling system
US2086918A (en) * 1935-08-22 1937-07-13 Rca Corp Method of frequency or phase modulation
GB480289A (en) * 1937-03-09 1938-02-21 Cable & Wireless Ltd Improvements relating to wireless telegraph systems
US2338395A (en) * 1940-06-25 1944-01-04 Gen Electric Signal transmission system
US2338512A (en) * 1942-10-22 1944-01-04 Westinghouse Electric & Mfg Co Telephone transmitter circuit

Also Published As

Publication number Publication date
BE476259A (en)
US2441954A (en) 1948-05-25

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