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GB1553507A - Radio receiver with freiquency lock circuit - Google Patents

Radio receiver with freiquency lock circuit

Info

Publication number
GB1553507A
GB1553507A GB2762175A GB2762175A GB1553507A GB 1553507 A GB1553507 A GB 1553507A GB 2762175 A GB2762175 A GB 2762175A GB 2762175 A GB2762175 A GB 2762175A GB 1553507 A GB1553507 A GB 1553507A
Authority
GB
United Kingdom
Prior art keywords
freiquency
radio receiver
lock circuit
lock
circuit
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
GB2762175A
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 Aircraft Corp Ltd
Original Assignee
British Aircraft Corp 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 Aircraft Corp Ltd filed Critical British Aircraft Corp Ltd
Priority to GB2762175A priority Critical patent/GB1553507A/en
Publication of GB1553507A publication Critical patent/GB1553507A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/22—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/767—Responders; Transponders

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB2762175A 1976-10-01 1976-10-01 Radio receiver with freiquency lock circuit Expired GB1553507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2762175A GB1553507A (en) 1976-10-01 1976-10-01 Radio receiver with freiquency lock circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2762175A GB1553507A (en) 1976-10-01 1976-10-01 Radio receiver with freiquency lock circuit

Publications (1)

Publication Number Publication Date
GB1553507A true GB1553507A (en) 1979-09-26

Family

ID=10262582

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2762175A Expired GB1553507A (en) 1976-10-01 1976-10-01 Radio receiver with freiquency lock circuit

Country Status (1)

Country Link
GB (1) GB1553507A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239571A (en) * 1989-12-29 1991-07-03 Schlumberger Ind Ltd Transponder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239571A (en) * 1989-12-29 1991-07-03 Schlumberger Ind Ltd Transponder
GB2239571B (en) * 1989-12-29 1994-08-03 Schlumberger Ind Ltd Transponder

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee