CA1001785A - Channel selection device - Google Patents

Channel selection device

Info

Publication number
CA1001785A
CA1001785A CA131,124A CA131124A CA1001785A CA 1001785 A CA1001785 A CA 1001785A CA 131124 A CA131124 A CA 131124A CA 1001785 A CA1001785 A CA 1001785A
Authority
CA
Canada
Prior art keywords
channel selection
selection device
channel
selection
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
CA131,124A
Other languages
English (en)
Other versions
CA131124S (en
Inventor
Yoichi Sakamoto
Yukio Koyanagi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP45124775A external-priority patent/JPS5137722B1/ja
Priority claimed from JP12478470A external-priority patent/JPS5137727B1/ja
Priority claimed from JP12477670A external-priority patent/JPS5137723B1/ja
Priority claimed from JP12478170A external-priority patent/JPS5137724B1/ja
Priority claimed from JP12477470A external-priority patent/JPS5137721B1/ja
Priority claimed from JP12478370A external-priority patent/JPS5137726B1/ja
Priority claimed from JP12478270A external-priority patent/JPS5137725B1/ja
Priority claimed from JP1141571A external-priority patent/JPS5145923B1/ja
Priority claimed from JP1141471A external-priority patent/JPS5210321B1/ja
Priority claimed from JP1141671A external-priority patent/JPS5210322B1/ja
Priority claimed from JP1141371A external-priority patent/JPS5145922B1/ja
Priority claimed from JP1141771A external-priority patent/JPS5145924B1/ja
Priority claimed from JP1141271A external-priority patent/JPS5145921B1/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CA1001785A publication Critical patent/CA1001785A/en
Application granted granted Critical
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
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • 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
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
CA131,124A 1970-12-28 1971-12-24 Channel selection device Expired CA1001785A (en)

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
JP12478070 1970-12-28
JP12478170A JPS5137724B1 (fr) 1970-12-28 1970-12-28
JP12478470A JPS5137727B1 (fr) 1970-12-28 1970-12-28
JP12478370A JPS5137726B1 (fr) 1970-12-28 1970-12-28
JP12478270A JPS5137725B1 (fr) 1970-12-28 1970-12-28
JP12477670A JPS5137723B1 (fr) 1970-12-28 1970-12-28
JP45124775A JPS5137722B1 (fr) 1970-12-28 1970-12-28
JP12477470A JPS5137721B1 (fr) 1970-12-28 1970-12-28
JP1141571A JPS5145923B1 (fr) 1971-03-03 1971-03-03
JP1141471A JPS5210321B1 (fr) 1971-03-03 1971-03-03
JP1141671A JPS5210322B1 (fr) 1971-03-03 1971-03-03
JP1141371A JPS5145922B1 (fr) 1971-03-03 1971-03-03
JP1141771A JPS5145924B1 (fr) 1971-03-03 1971-03-03
JP1141271A JPS5145921B1 (fr) 1971-03-03 1971-03-03

Publications (1)

Publication Number Publication Date
CA1001785A true CA1001785A (en) 1976-12-14

Family

ID=27584769

Family Applications (1)

Application Number Title Priority Date Filing Date
CA131,124A Expired CA1001785A (en) 1970-12-28 1971-12-24 Channel selection device

Country Status (6)

Country Link
US (1) US3893032A (fr)
CA (1) CA1001785A (fr)
DE (1) DE2165163C3 (fr)
FR (1) FR2123286B1 (fr)
GB (1) GB1377100A (fr)
NL (1) NL163079C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1107168B (it) 1978-06-26 1985-11-25 Indesit Perfezionamenti a dispositivi pr la selezione di un segnale
JPS5912043B2 (ja) * 1979-07-14 1984-03-21 株式会社日立製作所 選局装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1101495B (de) * 1958-07-04 1961-03-09 Blaupunkt Werke Gmbh Fernsehempfaenger mit automatischer Abstimmung
US2954465A (en) * 1958-08-07 1960-09-27 Cutler Hammer Inc Signal translation apparatus utilizing dispersive networks and the like, e.g. for panoramic reception, amplitude-controlling frequency response, signal frequency gating,frequency-time domain conversion, etc.
US3611152A (en) * 1967-07-25 1971-10-05 Matsushita Electric Ind Co Ltd Stabilized automatic tuning receiver
DE1812641B1 (de) * 1968-04-10 1970-06-25 Rohde & Schwarz Schaltung zur Frequenznachregelung von durchstimmbaren Oszillatoren
DE1926077B2 (de) * 1968-09-27 1973-04-05 Zentrallaboratorium für Rundfunk - und Fernsehempfangstecheik, χ 8060 Dresden Schaltungsanordnung zur automatischen sendersuche
US3641434A (en) * 1968-10-10 1972-02-08 Bendix Corp Wide-band crystal-controlled transceiver with remote digital tuning
DE1916834A1 (de) * 1969-04-02 1970-10-15 Blaupunkt Werke Gmbh Elektronische Sendersuchlaufautomatik fuer einen Rundfunkempfaenger
US3619788A (en) * 1969-04-14 1971-11-09 Gen Electric Circuit for giving priority to one of a plurality of automatically monitored channels in a receiver
US3854141A (en) * 1973-08-02 1974-12-10 United Atlantic Corp Zoom interferometer antenna

Also Published As

Publication number Publication date
DE2165163C3 (de) 1982-02-11
NL7117986A (fr) 1972-06-30
NL163079C (nl) 1980-07-15
DE2165163A1 (de) 1972-07-13
NL163079B (nl) 1980-02-15
DE2165163B2 (de) 1980-07-17
GB1377100A (en) 1974-12-11
FR2123286A1 (fr) 1972-09-08
US3893032A (en) 1975-07-01
FR2123286B1 (fr) 1977-01-28

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