GB660480A - Improved tuning mechanism for radio apparatus - Google Patents

Improved tuning mechanism for radio apparatus

Info

Publication number
GB660480A
GB660480A GB5680/49A GB568049A GB660480A GB 660480 A GB660480 A GB 660480A GB 5680/49 A GB5680/49 A GB 5680/49A GB 568049 A GB568049 A GB 568049A GB 660480 A GB660480 A GB 660480A
Authority
GB
United Kingdom
Prior art keywords
button
tuning
cam
clutch
treadle
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
GB5680/49A
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
General Motors Corp
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 General Motors Corp filed Critical General Motors Corp
Publication of GB660480A publication Critical patent/GB660480A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/04—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by hand
    • H03J5/12—Settings determined by a number of separately-actuated driving means which adjust the tuning element directly to desired settings
    • 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

  • Mechanical Operated Clutches (AREA)
GB5680/49A 1948-03-31 1949-03-02 Improved tuning mechanism for radio apparatus Expired GB660480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18154A US2494008A (en) 1948-03-31 1948-03-31 Radio tuning device

Publications (1)

Publication Number Publication Date
GB660480A true GB660480A (en) 1951-11-07

Family

ID=21786534

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5680/49A Expired GB660480A (en) 1948-03-31 1949-03-02 Improved tuning mechanism for radio apparatus

Country Status (6)

Country Link
US (1) US2494008A (en:Method)
BE (1) BE487278A (en:Method)
CH (1) CH282558A (en:Method)
DE (1) DE863108C (en:Method)
FR (1) FR1018762A (en:Method)
GB (1) GB660480A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1080635B (de) * 1956-03-09 1960-04-28 Gen Motors Corp Abstimmvorrichtung fuer Rundfunkempfaenger

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828631A (en) * 1954-11-03 1958-04-01 Collins Radio Co Detent lifting device
US2937534A (en) * 1957-10-25 1960-05-24 Grundig Max Push-button tuner for high-frequency circuits
US3238796A (en) * 1964-03-23 1966-03-08 Atr Electronics Inc Push button tuner
JPS5060103A (en:Method) * 1973-09-26 1975-05-23
IT1106026B (it) * 1978-09-26 1985-11-11 Autovoc Spa Tastiera per la preselezione dei segnali elettromagnetici
JPS5822341Y2 (ja) * 1981-06-30 1983-05-13 クラリオン株式会社 押釦同調器の指針機構
US7840563B2 (en) 2007-02-03 2010-11-23 Google Inc. Collective ranking of digital content

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2266711A (en) * 1940-05-29 1941-12-16 Belmont Radio Corp Control apparatus
US2372099A (en) * 1940-08-03 1945-03-20 Colonial Radio Corp Tuning mechanism for radio receivers and the like
US2310003A (en) * 1941-01-06 1943-02-02 Wells Gardner & Co Tuning mechanism for radio receiving sets

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1080635B (de) * 1956-03-09 1960-04-28 Gen Motors Corp Abstimmvorrichtung fuer Rundfunkempfaenger

Also Published As

Publication number Publication date
DE863108C (de) 1953-01-15
FR1018762A (fr) 1953-01-13
BE487278A (en:Method)
CH282558A (fr) 1952-04-30
US2494008A (en) 1950-01-10

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