GB555993A - Improvements in radio communication systems - Google Patents

Improvements in radio communication systems

Info

Publication number
GB555993A
GB555993A GB3294/42A GB329442A GB555993A GB 555993 A GB555993 A GB 555993A GB 3294/42 A GB3294/42 A GB 3294/42A GB 329442 A GB329442 A GB 329442A GB 555993 A GB555993 A GB 555993A
Authority
GB
United Kingdom
Prior art keywords
phase
pulses
wave
source
modulated
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
GB3294/42A
Other languages
English (en)
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 to FR957921D priority Critical patent/FR957921A/fr
Priority to BE477832D priority patent/BE477832A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB3294/42A priority patent/GB555993A/en
Priority to US476070A priority patent/US2429608A/en
Publication of GB555993A publication Critical patent/GB555993A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Selective Calling Equipment (AREA)
GB3294/42A 1942-03-12 1942-03-12 Improvements in radio communication systems Expired GB555993A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR957921D FR957921A (it) 1942-03-12
BE477832D BE477832A (it) 1942-03-12
GB3294/42A GB555993A (en) 1942-03-12 1942-03-12 Improvements in radio communication systems
US476070A US2429608A (en) 1942-03-12 1943-02-16 Multichannel pulse communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3294/42A GB555993A (en) 1942-03-12 1942-03-12 Improvements in radio communication systems

Publications (1)

Publication Number Publication Date
GB555993A true GB555993A (en) 1943-09-15

Family

ID=9755588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3294/42A Expired GB555993A (en) 1942-03-12 1942-03-12 Improvements in radio communication systems

Country Status (4)

Country Link
US (1) US2429608A (it)
BE (1) BE477832A (it)
FR (1) FR957921A (it)
GB (1) GB555993A (it)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418116A (en) * 1943-12-20 1947-04-01 Standard Telephones Cables Ltd Multiplex synchronizing system
US2429608A (en) * 1942-03-12 1947-10-28 Int Standard Electric Corp Multichannel pulse communication system
US2517365A (en) * 1946-04-10 1950-08-01 Patelhold Patentverwertung Multiplex communication system with channels of different band widths
US2546935A (en) * 1945-09-28 1951-03-27 Rca Corp High fidelity pulse multiplex system
US2680151A (en) * 1949-01-14 1954-06-01 Philco Corp Multichannel communication system
US2680153A (en) * 1949-01-14 1954-06-01 Philco Corp Multichannel communication system
US2680152A (en) * 1949-01-14 1954-06-01 Philco Corp Pulse communication system

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE483047A (it) * 1943-08-06
US2485611A (en) * 1944-04-07 1949-10-25 Standard Telephones Cables Ltd Broadcasting system
US2516885A (en) * 1944-04-17 1950-08-01 Standard Telephones Cables Ltd Relay system
US3976839A (en) * 1944-06-30 1976-08-24 Bell Telephone Laboratories, Incorporated Telephone privacy system
US2508620A (en) * 1944-11-09 1950-05-23 Rca Corp Multiplex pulse communication system
US2836657A (en) * 1944-11-20 1958-05-27 Gen Electric Secrecy communication system
US2513910A (en) * 1945-03-28 1950-07-04 Rca Corp Multiplex telegraph system
US2471138A (en) * 1946-08-16 1949-05-24 Gen Electric Radio communication system
US2700068A (en) * 1948-11-16 1955-01-18 Muller Egon Nicolas Pulse multiplex system
US2878316A (en) * 1949-01-14 1959-03-17 Philco Corp Multi-channel communication system

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US913363A (en) * 1903-07-17 1909-02-23 Albert C Crehore Synchronizing means for electrical apparatus.
US1530666A (en) * 1917-10-31 1925-03-24 Jr John Hays Hammond Multiplex system for the transmission of radiant energy
US1512361A (en) * 1920-06-18 1924-10-21 Petersen Hermod Magne Method for synchronizing apparatus on a long distance
US1742902A (en) * 1925-02-14 1930-01-07 Western Electric Co Multichannel radio communication system
US1928093A (en) * 1927-04-11 1933-09-26 Harold B Coyle Signaling system
US2007809A (en) * 1930-10-04 1935-07-09 Communications Patents Inc Thermionic switching system
US2055309A (en) * 1931-02-19 1936-09-22 Ramsey George Multiplex communication system
US1979463A (en) * 1932-05-11 1934-11-06 Wired Radio Inc Television system
US2082877A (en) * 1932-10-21 1937-06-08 American Telephone & Telegraph Multiplex communication signaling system
US2257562A (en) * 1933-04-08 1941-09-30 Rca Corp Intelligence transmission system
US2146876A (en) * 1933-04-08 1939-02-14 Rca Corp Intelligence transmission system
US2048081A (en) * 1933-04-29 1936-07-21 Alger S Riggs Communication system
GB470495A (en) * 1935-11-14 1937-08-16 Alan Dower Blumlein Improvements in or relating to multiplex signalling systems
US2057773A (en) * 1935-12-04 1936-10-20 William G H Finch Electronic distributor
US2227108A (en) * 1936-02-20 1940-12-31 Telefunken Gmbh Signaling system
US2113214A (en) * 1936-10-29 1938-04-05 Rca Corp Method of frequency or phase modulation
US2204375A (en) * 1937-03-17 1940-06-11 Morrison Montford Electronic distributor system
US2352634A (en) * 1938-07-18 1944-07-04 Maury I Hull Signaling system
US2213941A (en) * 1938-07-26 1940-09-03 Bell Telephone Labor Inc Multiplex signaling by phase discrimination
NL87334C (it) * 1938-10-03
US2268081A (en) * 1939-04-11 1941-12-30 Pagnard Georges Frederic Tightening device
US2282046A (en) * 1939-09-01 1942-05-05 Rca Corp Multiplex signaling system
FR957921A (it) * 1942-03-12 1950-02-28
BE462299A (it) * 1943-10-19

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429608A (en) * 1942-03-12 1947-10-28 Int Standard Electric Corp Multichannel pulse communication system
US2418116A (en) * 1943-12-20 1947-04-01 Standard Telephones Cables Ltd Multiplex synchronizing system
US2546935A (en) * 1945-09-28 1951-03-27 Rca Corp High fidelity pulse multiplex system
US2517365A (en) * 1946-04-10 1950-08-01 Patelhold Patentverwertung Multiplex communication system with channels of different band widths
US2680151A (en) * 1949-01-14 1954-06-01 Philco Corp Multichannel communication system
US2680153A (en) * 1949-01-14 1954-06-01 Philco Corp Multichannel communication system
US2680152A (en) * 1949-01-14 1954-06-01 Philco Corp Pulse communication system

Also Published As

Publication number Publication date
US2429608A (en) 1947-10-28
FR957921A (it) 1950-02-28
BE477832A (it)

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