ATA1151770A - SWITCH FOR A PROGRAMMED FREQUENCY SELECTION, IN PARTICULAR IN RADIO AND TV - Google Patents

SWITCH FOR A PROGRAMMED FREQUENCY SELECTION, IN PARTICULAR IN RADIO AND TV

Info

Publication number
ATA1151770A
ATA1151770A AT1151770A AT1151770A ATA1151770A AT A1151770 A ATA1151770 A AT A1151770A AT 1151770 A AT1151770 A AT 1151770A AT 1151770 A AT1151770 A AT 1151770A AT A1151770 A ATA1151770 A AT A1151770A
Authority
AT
Austria
Prior art keywords
radio
switch
frequency selection
programmed frequency
programmed
Prior art date
Application number
AT1151770A
Other languages
German (de)
Other versions
AT339964B (en
Original Assignee
Itt Austria
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 Itt Austria filed Critical Itt Austria
Priority to AT904276A priority Critical patent/AT358102B/en
Priority to AT904176A priority patent/AT358101B/en
Publication of ATA1151770A publication Critical patent/ATA1151770A/en
Application granted granted Critical
Publication of AT339964B publication Critical patent/AT339964B/en

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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Electronic Switches (AREA)
AT1151770A 1969-12-29 1970-12-22 SWITCH FOR A PROGRAMMED FREQUENCY SELECTION, IN PARTICULAR IN RADIO AND TV AT339964B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT904276A AT358102B (en) 1969-12-29 1976-12-07 KEY SWITCHING FOR PROGRAMMED FREQUENCY AND FREQUENCY RANGE SELECTION
AT904176A AT358101B (en) 1969-12-29 1976-12-07 VOLTAGE SUPPLY CIRCUIT OF A KEY SWITCH

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691965223 DE1965223B2 (en) 1969-12-29 1969-12-29 SWITCHING FOR A PROGRAMMED FREQUENCY SELECTION IN RADIO AND TV

Publications (2)

Publication Number Publication Date
ATA1151770A true ATA1151770A (en) 1977-03-15
AT339964B AT339964B (en) 1977-11-25

Family

ID=5755177

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1151770A AT339964B (en) 1969-12-29 1970-12-22 SWITCH FOR A PROGRAMMED FREQUENCY SELECTION, IN PARTICULAR IN RADIO AND TV

Country Status (4)

Country Link
AT (1) AT339964B (en)
DE (1) DE1965223B2 (en)
ES (1) ES386872A1 (en)
GB (1) GB1331625A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5517582Y2 (en) * 1975-05-06 1980-04-23

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA804174A (en) * 1969-01-14 B. Cavanagh Robert Tuning of receivers such as radio or television receivers
US3264566A (en) * 1962-07-13 1966-08-02 Gen Instrument Corp Electronic switching of tuned circuits
DE1223898B (en) * 1963-12-07 1966-09-01 Telefunken Patent Circuit for remote tuning of an antenna amplifier
DE1466450B2 (en) * 1963-12-18 1972-03-02 Telefunken Patentverwertungsge Seilschaft mbH, 7900 Ulm TUNING DEVICE FOR EQUIPMENT OF HIGH FREQUENCY MESSAGE TECHNOLOGY, IN PARTICULAR TELEVISION RECEIVERS
US3440544A (en) * 1966-11-01 1969-04-22 Motorola Inc Manual,automatic,and semiautomatic tuning circuits utilizing voltage variable capacitance diodes

Also Published As

Publication number Publication date
ES386872A1 (en) 1973-04-16
GB1331625A (en) 1973-09-26
DE1965223A1 (en) 1971-07-01
AT339964B (en) 1977-11-25
DE1965223B2 (en) 1977-07-21

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee