FR951020A - Systèmes de transmission de communications - Google Patents

Systèmes de transmission de communications

Info

Publication number
FR951020A
FR951020A FR951020DA FR951020A FR 951020 A FR951020 A FR 951020A FR 951020D A FR951020D A FR 951020DA FR 951020 A FR951020 A FR 951020A
Authority
FR
France
Prior art keywords
transmission systems
communication transmission
communication
systems
transmission
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)
Inventor
Donald David Grieg
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
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR951020A publication Critical patent/FR951020A/fr
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
    • 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
    • H04B14/023—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse amplitude modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
FR951020D 1945-06-19 1947-08-05 Systèmes de transmission de communications Expired FR951020A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US600255A US2498677A (en) 1945-06-19 1945-06-19 Communication of intelligence

Publications (1)

Publication Number Publication Date
FR951020A true FR951020A (fr) 1949-10-13

Family

ID=24402902

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951020D Expired FR951020A (fr) 1945-06-19 1947-08-05 Systèmes de transmission de communications

Country Status (4)

Country Link
US (1) US2498677A (fr)
ES (1) ES181974A1 (fr)
FR (1) FR951020A (fr)
GB (1) GB620053A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2877424A (en) * 1955-07-11 1959-03-10 Time Inc Method of connecting two cascaded modulators to provide a variable percentage of modulations
NL113549C (fr) * 1958-09-15

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1712993A (en) * 1916-08-14 1929-05-14 Western Electric Co Signaling system
US1564627A (en) * 1920-03-31 1925-12-08 Rca Corp Wireless telegraph and telephone transmission
US1673002A (en) * 1923-02-23 1928-06-12 Western Electric Co Control of electric waves
US1678163A (en) * 1923-12-29 1928-07-24 Western Electric Co Modulation
US1699570A (en) * 1927-09-23 1929-01-22 American Telephone & Telegraph Carrier suppression modulation
US2086601A (en) * 1934-05-03 1937-07-13 Bell Telephone Labor Inc Modulating system
US2338412A (en) * 1939-03-23 1944-01-04 Dallos Gyorgy Istvan Amplitude limiting circuits
US2285044A (en) * 1941-03-11 1942-06-02 Rca Corp Wave length modulation system
US2340429A (en) * 1941-07-10 1944-02-01 Rca Corp Amplitude modulation limiter circuit
US2419547A (en) * 1943-04-30 1947-04-29 Standard Telephones Cables Ltd Wave translator

Also Published As

Publication number Publication date
US2498677A (en) 1950-02-28
GB620053A (en) 1949-03-18
ES181974A1 (es) 1948-03-01

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