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GB413691A - Improvements in and relating to high frequency signalling systems - Google Patents

Improvements in and relating to high frequency signalling systems

Info

Publication number
GB413691A
GB413691A GB36005/32A GB3600532A GB413691A GB 413691 A GB413691 A GB 413691A GB 36005/32 A GB36005/32 A GB 36005/32A GB 3600532 A GB3600532 A GB 3600532A GB 413691 A GB413691 A GB 413691A
Authority
GB
United Kingdom
Prior art keywords
tube
signals
vapour
receipt
dec
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
GB36005/32A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB413691A publication Critical patent/GB413691A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Particle Accelerators (AREA)
  • Electrotherapy Devices (AREA)
GB36005/32A 1931-12-18 1932-12-19 Improvements in and relating to high frequency signalling systems Expired GB413691A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US581871A US1970423A (en) 1931-12-18 1931-12-18 Signaling system

Publications (1)

Publication Number Publication Date
GB413691A true GB413691A (en) 1934-07-19

Family

ID=24326909

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36005/32A Expired GB413691A (en) 1931-12-18 1932-12-19 Improvements in and relating to high frequency signalling systems

Country Status (3)

Country Link
US (1) US1970423A (fr)
FR (1) FR747666A (fr)
GB (1) GB413691A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496998A (en) * 1939-11-08 1950-02-07 Rca Corp Radio echo systems with means for protecting receivers
US2484188A (en) * 1944-12-29 1949-10-11 Automatic Telephone & Elect Electrical signaling system
US2459281A (en) * 1945-01-08 1949-01-18 Rca Corp Two-way radio equipment for lifeboat service
US3041993A (en) * 1945-12-27 1962-07-03 Bell Telephone Labor Inc Signal translating system
US2521860A (en) * 1948-03-30 1950-09-12 Union Switch & Signal Co Emergency break-in system for communication systems
US2654834A (en) * 1949-11-01 1953-10-06 Motorola Inc Transmit-receive switch
US3212054A (en) * 1950-10-04 1965-10-12 Robert S Gardner Transmitter keying and receiver blanking circuit
US2766324A (en) * 1951-12-18 1956-10-09 Motorola Inc Switching system
US2847563A (en) * 1952-10-31 1958-08-12 Int Standard Electric Corp Circuit arrangement for the connection of two-wire circuits to a transmission path in intercommunication systems
US4654844A (en) * 1984-09-04 1987-03-31 United Technologies Corporation Bi-directional coupler
US4646319A (en) * 1985-02-27 1987-02-24 Westinghouse Electric Corp. Bidirectional bus coupler presenting peak impedance at carrier frequency

Also Published As

Publication number Publication date
US1970423A (en) 1934-08-14
FR747666A (fr) 1933-06-22

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