GB1006215A - Improvements in or relating to radio and television tuners - Google Patents

Improvements in or relating to radio and television tuners

Info

Publication number
GB1006215A
GB1006215A GB2651261A GB2651261A GB1006215A GB 1006215 A GB1006215 A GB 1006215A GB 2651261 A GB2651261 A GB 2651261A GB 2651261 A GB2651261 A GB 2651261A GB 1006215 A GB1006215 A GB 1006215A
Authority
GB
United Kingdom
Prior art keywords
arm
moved
coils
july
control rod
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
GB2651261A
Inventor
Robert Knox
Rexham Arthur Mann
Stephen Henry Corke
Douglas William Powell
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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB2651261A priority Critical patent/GB1006215A/en
Publication of GB1006215A publication Critical patent/GB1006215A/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

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

1,006,215. Inductors. PLESSEY CO. Ltd. Oct. 17, 1962 [July 19, 1961 (2); July 20, 1961], Nos. 26152/61, 26153/61 and 26414/61. Heading H1T. [Also in Division H3] A variable inductance for a radio receiver tuner comprises a number of sets of coils such as C, F, I, L, each set being associated with one waveband, tuned by aluminium slugs within the coil former which are moved together by a single control rod. The coils may comprise two spaced coils connected in parallel to give finer and more linear tuning. The control rod is moved by an arm 31 against a spring, and the arm is moved by one of a number of push buttons 18 ... 21 so arranged that when one is pressed it remains in, but the previously pressed button springs out. The push button shafts each carry a nut, which cannot rotate. to press the arm, and fine tuning is effected by turning the buttons.
GB2651261A 1961-07-19 1961-07-19 Improvements in or relating to radio and television tuners Expired GB1006215A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2651261A GB1006215A (en) 1961-07-19 1961-07-19 Improvements in or relating to radio and television tuners

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2651261A GB1006215A (en) 1961-07-19 1961-07-19 Improvements in or relating to radio and television tuners

Publications (1)

Publication Number Publication Date
GB1006215A true GB1006215A (en) 1965-09-29

Family

ID=10244812

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2651261A Expired GB1006215A (en) 1961-07-19 1961-07-19 Improvements in or relating to radio and television tuners

Country Status (1)

Country Link
GB (1) GB1006215A (en)

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