CH248979A - Transmit-receive circuit. - Google Patents

Transmit-receive circuit.

Info

Publication number
CH248979A
CH248979A CH248979DA CH248979A CH 248979 A CH248979 A CH 248979A CH 248979D A CH248979D A CH 248979DA CH 248979 A CH248979 A CH 248979A
Authority
CH
Switzerland
Prior art keywords
transmit
receive circuit
receive
circuit
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH248979A publication Critical patent/CH248979A/en

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
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/023—Neutralization of the automatic frequency correction during a tuning change
    • 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)
  • Transmitters (AREA)
  • Radar Systems Or Details Thereof (AREA)
CH248979D 1944-01-05 1945-12-10 Transmit-receive circuit. CH248979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL248979X 1944-01-05

Publications (1)

Publication Number Publication Date
CH248979A true CH248979A (en) 1947-05-31

Family

ID=19780981

Family Applications (1)

Application Number Title Priority Date Filing Date
CH248979D CH248979A (en) 1944-01-05 1945-12-10 Transmit-receive circuit.

Country Status (6)

Country Link
US (1) US2477039A (en)
BE (1) BE461892A (en)
CH (1) CH248979A (en)
DE (1) DE809210C (en)
GB (1) GB627407A (en)
NL (2) NL114597B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL83989C (en) * 1951-09-27
US2901597A (en) * 1955-07-19 1959-08-25 Craig L Whitman Transmitter frequency control
US3935533A (en) * 1973-03-02 1976-01-27 United Technologies Corporation Single oscillator microwave transceiver

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL54603C (en) * 1936-10-17
US2206695A (en) * 1937-07-10 1940-07-02 Radio Patents Corp Means for receiving high frequency signals
GB551472A (en) * 1941-08-20 1943-02-24 James White Dalgleish Improvements in modulated high frequency carrier wave signalling systems
US2317547A (en) * 1941-09-06 1943-04-27 Don C Mcrae Communication system
US2408826A (en) * 1943-06-21 1946-10-08 Galvin Mfg Corp Combined frequency modulation radio transmitter and receiver
US2425013A (en) * 1944-04-07 1947-08-05 Sperry Gyroscope Co Inc Frequency control system
US2379395A (en) * 1944-05-05 1945-06-26 Hartford Nat Bank & Trust Co Fm transceiver

Also Published As

Publication number Publication date
BE461892A (en)
NL114597B (en)
NL64005C (en)
US2477039A (en) 1949-07-26
GB627407A (en) 1949-08-09
DE809210C (en) 1951-07-26

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