IT1020340B - Indicatore di sintonia per un rice vitore di radiofrequenze - Google Patents

Indicatore di sintonia per un rice vitore di radiofrequenze

Info

Publication number
IT1020340B
IT1020340B IT26787/74A IT2678774A IT1020340B IT 1020340 B IT1020340 B IT 1020340B IT 26787/74 A IT26787/74 A IT 26787/74A IT 2678774 A IT2678774 A IT 2678774A IT 1020340 B IT1020340 B IT 1020340B
Authority
IT
Italy
Prior art keywords
vitore
radio frequency
frequency receiver
tuning indicator
tuning
Prior art date
Application number
IT26787/74A
Other languages
English (en)
Original Assignee
Matsushita Electric Ind 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 Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Application granted granted Critical
Publication of IT1020340B publication Critical patent/IT1020340B/it

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
IT26787/74A 1973-10-26 1974-08-30 Indicatore di sintonia per un rice vitore di radiofrequenze IT1020340B (it)

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 (1)

Publication Number Publication Date
IT1020340B true IT1020340B (it) 1977-12-20

Family

ID=23622584

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26787/74A IT1020340B (it) 1973-10-26 1974-08-30 Indicatore di sintonia per un rice vitore di radiofrequenze

Country Status (7)

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

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 (en) * 1977-12-29 1982-02-02 Hajime Shichijo Tuning apparatus
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
DE2441580A1 (de) 1975-05-07
JPS5521498B2 (it) 1980-06-10
JPS5071201A (it) 1975-06-13
FR2249493B1 (it) 1978-04-28
FR2249493A1 (it) 1975-05-23
BE819246A (fr) 1974-12-16
US3953800A (en) 1976-04-27
GB1454060A (en) 1976-10-27

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