FR2249493A1 - - Google Patents

Info

Publication number
FR2249493A1
FR2249493A1 FR7429640A FR7429640A FR2249493A1 FR 2249493 A1 FR2249493 A1 FR 2249493A1 FR 7429640 A FR7429640 A FR 7429640A FR 7429640 A FR7429640 A FR 7429640A FR 2249493 A1 FR2249493 A1 FR 2249493A1
Authority
FR
France
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
FR7429640A
Other versions
FR2249493B1 (fr
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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2249493A1 publication Critical patent/FR2249493A1/fr
Application granted granted Critical
Publication of FR2249493B1 publication Critical patent/FR2249493B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
FR7429640A 1973-10-26 1974-08-30 Expired FR2249493B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/409,940 US3953800A (en) 1973-10-26 1973-10-26 Tuning indicator for a radio frequency receiver

Publications (2)

Publication Number Publication Date
FR2249493A1 true FR2249493A1 (fr) 1975-05-23
FR2249493B1 FR2249493B1 (fr) 1978-04-28

Family

ID=23622584

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7429640A Expired FR2249493B1 (fr) 1973-10-26 1974-08-30

Country Status (7)

Country Link
US (1) US3953800A (fr)
JP (1) JPS5521498B2 (fr)
BE (1) BE819246A (fr)
DE (1) DE2441580A1 (fr)
FR (1) FR2249493B1 (fr)
GB (1) GB1454060A (fr)
IT (1) IT1020340B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959729A (en) * 1974-03-25 1976-05-25 Matsushita Electric Industrial Co., Ltd. Electro-optic tuning indicator
GB1588949A (en) * 1977-03-30 1981-05-07 Sony Corp Tuning apparatus
JPS549518A (en) * 1977-06-24 1979-01-24 Oki Electric Ind Co Ltd Reception frequency indication device
US4228542A (en) * 1977-10-17 1980-10-14 Pioneer Electronic Corporation Digital tuning FM stereophonic receiver including phase locked loop synthesizer
CA1117673A (fr) * 1977-12-29 1982-02-02 Hajime Shichijo Bloc d'accord
DE3141662A1 (de) * 1981-10-21 1983-05-05 Brown, Boveri & Cie Ag, 6800 Mannheim Beleuchtungseinrichtung
US4483077A (en) * 1982-06-17 1984-11-20 Toybox Corporation Digital measuring device
GB2128010A (en) * 1982-08-28 1984-04-18 Fibre Optic Designs Limited Display devices
GB2148570B (en) * 1982-12-24 1987-03-25 Mitsubishi Rayon Co Illuminated display apparatus
GB2193592B (en) * 1986-06-26 1990-03-21 Bosch Siemens Hausgeraete Operating and indicating apparatus
DE4126492A1 (de) * 1991-08-10 1993-02-11 Clarson Apparatebau Gmbh Schalteinrichtung fuer eine lichtleitersignalleitung
GB2270189A (en) * 1992-08-29 1994-03-02 Thermotor Limited A display or sign.
US5384551A (en) * 1993-02-25 1995-01-24 Delco Electronics Corporation Fast locking phase locked loop frequency synthesizer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3222666A (en) * 1959-02-06 1965-12-07 Hazeltine Research Inc Stroboscopic readout of display tape
US3555539A (en) * 1968-01-03 1971-01-12 William J Richards Alpha-numeric display device
US3639747A (en) * 1969-06-11 1972-02-01 Warwick Electronics Inc Dial display device
US3701951A (en) * 1971-01-05 1972-10-31 Emerson Electric Co Digital indicator for use with tunable electronic apparatus
US3753119A (en) * 1971-04-07 1973-08-14 Magnavox Co Digital tuning indicator
DE2220934A1 (de) * 1972-04-28 1973-11-08 Schneider Co Optische Werke Mechanisch-optische einrichtung zur anzeige von digitalisierten messwerten
US3836911A (en) * 1973-07-16 1974-09-17 Gen Instrument Corp Coding arrangement for fiber optic digital display device

Also Published As

Publication number Publication date
FR2249493B1 (fr) 1978-04-28
JPS5521498B2 (fr) 1980-06-10
DE2441580A1 (de) 1975-05-07
IT1020340B (it) 1977-12-20
GB1454060A (en) 1976-10-27
US3953800A (en) 1976-04-27
JPS5071201A (fr) 1975-06-13
BE819246A (fr) 1974-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse