GB503429A - Control devices and systems for radio sets - Google Patents

Control devices and systems for radio sets

Info

Publication number
GB503429A
GB503429A GB28112/37A GB2811237A GB503429A GB 503429 A GB503429 A GB 503429A GB 28112/37 A GB28112/37 A GB 28112/37A GB 2811237 A GB2811237 A GB 2811237A GB 503429 A GB503429 A GB 503429A
Authority
GB
United Kingdom
Prior art keywords
switch
microphone
hand
radio
laryngaphone
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
GB28112/37A
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
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB503429A publication Critical patent/GB503429A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Transceivers (AREA)
GB28112/37A 1936-12-28 1937-10-15 Control devices and systems for radio sets Expired GB503429A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE503429X 1936-12-28

Publications (1)

Publication Number Publication Date
GB503429A true GB503429A (en) 1939-04-06

Family

ID=3870847

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28112/37A Expired GB503429A (en) 1936-12-28 1937-10-15 Control devices and systems for radio sets

Country Status (2)

Country Link
GB (1) GB503429A (en:Method)
NL (1) NL49028C (en:Method)

Also Published As

Publication number Publication date
NL49028C (en:Method)

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