GB1301129A - Television electronic control circuit for channel selections - Google Patents

Television electronic control circuit for channel selections

Info

Publication number
GB1301129A
GB1301129A GB2575970A GB2575970A GB1301129A GB 1301129 A GB1301129 A GB 1301129A GB 2575970 A GB2575970 A GB 2575970A GB 2575970 A GB2575970 A GB 2575970A GB 1301129 A GB1301129 A GB 1301129A
Authority
GB
United Kingdom
Prior art keywords
decoder
power switch
decade
channels
counter
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
GB2575970A
Other languages
English (en)
Inventor
Wayne Wheeler Evans
Jerome Benjamin Bean Jr
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of GB1301129A publication Critical patent/GB1301129A/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
    • H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
    • H03J5/0227—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values using a counter

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
GB2575970A 1969-05-29 1970-05-28 Television electronic control circuit for channel selections Expired GB1301129A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US82905769A 1969-05-29 1969-05-29
US83750769A 1969-06-30 1969-06-30
US84217969A 1969-07-16 1969-07-16

Publications (1)

Publication Number Publication Date
GB1301129A true GB1301129A (en) 1972-12-29

Family

ID=27420208

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2575970A Expired GB1301129A (en) 1969-05-29 1970-05-28 Television electronic control circuit for channel selections

Country Status (3)

Country Link
DE (1) DE2026107C3 (enExample)
FR (1) FR2048942A5 (enExample)
GB (1) GB1301129A (enExample)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1146124B (de) * 1961-01-10 1963-03-28 Telefunken Patent Elektronischer Kettenschalter zur nacheinanderfolgenden, kurzzeitigen Eintastung von Pilotfrequenzen auf eine gemeinsame Leitung
US3264566A (en) * 1962-07-13 1966-08-02 Gen Instrument Corp Electronic switching of tuned circuits
FR1539645A (fr) * 1967-02-21 1968-09-20 Materiel Telephonique Procédé et dispositif d'accord automatique sur une fréquence donnée, d'un circuit oscillant à fréquence réglable
GB1281061A (en) * 1968-08-30 1972-07-12 Matsushita Electric Industrial Co Ltd Channel selector and tuner combination
DE1916834A1 (de) * 1969-04-02 1970-10-15 Blaupunkt Werke Gmbh Elektronische Sendersuchlaufautomatik fuer einen Rundfunkempfaenger
DE2017594C3 (de) * 1969-04-14 1980-02-07 Matsushita Electric Industrial Co. Ltd., Kadoma, Osaka (Japan) 140469 Japan 30693-69 140469 Japan 30694-69 160469 Japan 30881-69

Also Published As

Publication number Publication date
FR2048942A5 (enExample) 1971-03-19
DE2026107C3 (de) 1975-05-15
DE2026107B2 (de) 1974-08-29
DE2026107A1 (de) 1970-12-03

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years