FR2305062A1 - Selecteur de canaux electronique - Google Patents

Selecteur de canaux electronique

Info

Publication number
FR2305062A1
FR2305062A1 FR7608030A FR7608030A FR2305062A1 FR 2305062 A1 FR2305062 A1 FR 2305062A1 FR 7608030 A FR7608030 A FR 7608030A FR 7608030 A FR7608030 A FR 7608030A FR 2305062 A1 FR2305062 A1 FR 2305062A1
Authority
FR
France
Prior art keywords
channel selector
electronic channel
electronic
selector
channel
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.)
Granted
Application number
FR7608030A
Other languages
English (en)
French (fr)
Other versions
FR2305062B1 (enExample
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 JP50034158A external-priority patent/JPS51109703A/ja
Priority claimed from JP50056941A external-priority patent/JPS51132703A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2305062A1 publication Critical patent/FR2305062A1/fr
Application granted granted Critical
Publication of FR2305062B1 publication Critical patent/FR2305062B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • 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
FR7608030A 1975-03-20 1976-03-19 Selecteur de canaux electronique Granted FR2305062A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50034158A JPS51109703A (en) 1975-03-20 1975-03-20 Denshichuunasenkyokusochi
JP50056941A JPS51132703A (en) 1975-05-13 1975-05-13 Electronic channel selection device

Publications (2)

Publication Number Publication Date
FR2305062A1 true FR2305062A1 (fr) 1976-10-15
FR2305062B1 FR2305062B1 (enExample) 1978-04-14

Family

ID=26372942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7608030A Granted FR2305062A1 (fr) 1975-03-20 1976-03-19 Selecteur de canaux electronique

Country Status (7)

Country Link
US (1) US4020420A (enExample)
CA (1) CA1061487A (enExample)
DE (1) DE2611808A1 (enExample)
FR (1) FR2305062A1 (enExample)
GB (1) GB1542138A (enExample)
IT (1) IT1058621B (enExample)
NL (1) NL174205C (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5456701A (en) * 1977-10-14 1979-05-08 Sanyo Electric Co Ltd Preset receiving device
US20050052579A1 (en) * 2003-08-18 2005-03-10 Alps Electric Co., Ltd. Television tuner having circuit for attenuating FM broadcasting band
US20230077359A1 (en) * 2021-09-16 2023-03-16 Innolux Corporation Electronic device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1538337A1 (de) * 1966-05-06 1969-09-04 Bosch Elektronik Photokino Einrichtung zur ferngesteuerten Frequenzumschaltung
US3467870A (en) * 1965-02-16 1969-09-16 Trio Corp Automatic frequency sweep apparatus
US3644853A (en) * 1970-11-23 1972-02-22 Zenith Radio Corp Voltage-controlled signal-seeking tuning system
DE2139173A1 (de) * 1971-07-30 1973-02-08 Loewe Opta Gmbh Schaltungsanordnung zur automatischen sendersuche bei geraeten der nachrichtentechnik mit kapazitaetsdioden-abstimmung
US3737787A (en) * 1971-06-29 1973-06-05 Gen Electric Electronic signal seeking system with rapid scan
US3766483A (en) * 1971-06-29 1973-10-16 Gen Electric Signal seeking tuner control system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3691298A (en) * 1970-12-03 1972-09-12 Carl R Pittman Touch tuning and control circuits
GB1400583A (en) * 1971-09-14 1975-07-16 Matsushita Electric Industrial Co Ltd Tuning system
GB1409798A (en) * 1971-09-25 1975-10-15 Matsushita Electric Industrial Co Ltd Frequency control arrangements

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3467870A (en) * 1965-02-16 1969-09-16 Trio Corp Automatic frequency sweep apparatus
DE1538337A1 (de) * 1966-05-06 1969-09-04 Bosch Elektronik Photokino Einrichtung zur ferngesteuerten Frequenzumschaltung
US3644853A (en) * 1970-11-23 1972-02-22 Zenith Radio Corp Voltage-controlled signal-seeking tuning system
US3737787A (en) * 1971-06-29 1973-06-05 Gen Electric Electronic signal seeking system with rapid scan
US3766483A (en) * 1971-06-29 1973-10-16 Gen Electric Signal seeking tuner control system
DE2139173A1 (de) * 1971-07-30 1973-02-08 Loewe Opta Gmbh Schaltungsanordnung zur automatischen sendersuche bei geraeten der nachrichtentechnik mit kapazitaetsdioden-abstimmung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
REVUE DT: "FUNKSCHAU", VOLUME 43, NO.16, 2 AOUT 1971. ARTICLE: "EINE INTERESSANTE RECEIVER-SCHALTUNG", PAR R.D. DENNEWITZ, PAGES 495, A 498. *

Also Published As

Publication number Publication date
NL7602799A (nl) 1976-09-22
CA1061487A (en) 1979-08-28
NL174205B (nl) 1983-12-01
IT1058621B (it) 1982-05-10
GB1542138A (en) 1979-03-14
FR2305062B1 (enExample) 1978-04-14
DE2611808A1 (de) 1976-09-30
US4020420A (en) 1977-04-26
NL174205C (nl) 1984-05-01

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Legal Events

Date Code Title Description
ST Notification of lapse