GB649959A - Improvements relating to radio tuning circuits - Google Patents

Improvements relating to radio tuning circuits

Info

Publication number
GB649959A
GB649959A GB4069/48A GB406948A GB649959A GB 649959 A GB649959 A GB 649959A GB 4069/48 A GB4069/48 A GB 4069/48A GB 406948 A GB406948 A GB 406948A GB 649959 A GB649959 A GB 649959A
Authority
GB
United Kingdom
Prior art keywords
conductive
valve
tuning
hold
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
GB4069/48A
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of GB649959A publication Critical patent/GB649959A/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
    • H03J7/30—Automatic scanning over a band of frequencies where the scanning is accomplished by mechanical means, e.g. by a motor

Landscapes

  • Circuits Of Receivers In General (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Selective Calling Equipment (AREA)
GB4069/48A 1947-07-05 1948-05-25 Improvements relating to radio tuning circuits Expired GB649959A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US759042A US2550430A (en) 1947-07-05 1947-07-05 Electronically controlled tuner

Publications (1)

Publication Number Publication Date
GB649959A true GB649959A (en) 1951-02-07

Family

ID=25054180

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4069/48A Expired GB649959A (en) 1947-07-05 1948-05-25 Improvements relating to radio tuning circuits

Country Status (6)

Country Link
US (1) US2550430A (US06265458-20010724-C00056.png)
BE (1) BE483738A (US06265458-20010724-C00056.png)
CH (1) CH282556A (US06265458-20010724-C00056.png)
DE (1) DE839050C (US06265458-20010724-C00056.png)
FR (1) FR972118A (US06265458-20010724-C00056.png)
GB (1) GB649959A (US06265458-20010724-C00056.png)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764675A (en) * 1950-01-28 1956-09-25 Gen Motors Corp Signal actuated tuner selective over noise level
US2690506A (en) * 1950-06-01 1954-09-28 Gen Motors Corp Signal actuated tuner control
US2657341A (en) * 1950-07-29 1953-10-27 Universal Oil Prod Co Liquid level control apparatus
US2652494A (en) * 1950-12-01 1953-09-15 Gen Motors Corp Signal seeking tuner
US2890274A (en) * 1952-07-25 1959-06-09 Gen Motors Corp Signal seeking tuners for television
US2861178A (en) * 1952-11-06 1958-11-18 Gen Motors Corp Signal tuned radio control
US2798944A (en) * 1953-10-09 1957-07-09 Bell Telephone Labor Inc Signal seeking self adjusting radio receiving system
DE1171034B (de) * 1953-10-13 1964-05-27 Daimler Benz Ag Rundfunkempfangsgeraet mit automatischem Transport des Stationssuchers
US2851605A (en) * 1953-11-13 1958-09-09 Gen Motors Corp Control system for signal seeking tuner
DE1074674B (de) * 1954-04-21 1960-02-04 General Motors Corporation, Detroit, Mich. (V. St. A.) Signalgesteuerte Abstimmeinrichtung für Rundfunkempfänger
US3020402A (en) * 1955-08-19 1962-02-06 Loral Electronics Corp Automatic signal finder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2262218A (en) * 1938-07-18 1941-11-11 Edward F Andrews Radio receiver
US2304871A (en) * 1938-07-18 1942-12-15 Edward F Andrews Radio receiver
US2487760A (en) * 1946-04-04 1949-11-08 John F Rider Single button tuning control for radio sets

Also Published As

Publication number Publication date
FR972118A (fr) 1951-01-25
CH282556A (fr) 1952-04-30
BE483738A (US06265458-20010724-C00056.png)
DE839050C (de) 1952-05-15
US2550430A (en) 1951-04-24

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