GB1595940A - Radio broadcast receivers - Google Patents

Radio broadcast receivers Download PDF

Info

Publication number
GB1595940A
GB1595940A GB54349/77A GB5434977A GB1595940A GB 1595940 A GB1595940 A GB 1595940A GB 54349/77 A GB54349/77 A GB 54349/77A GB 5434977 A GB5434977 A GB 5434977A GB 1595940 A GB1595940 A GB 1595940A
Authority
GB
United Kingdom
Prior art keywords
counter
frequency
station
radio according
radio
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
GB54349/77A
Other languages
English (en)
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.)
Hitachi Sales Europa GmbH
Original Assignee
Hitachi Sales Europa GmbH
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 Hitachi Sales Europa GmbH filed Critical Hitachi Sales Europa GmbH
Publication of GB1595940A publication Critical patent/GB1595940A/en
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
    • H03J5/0254—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 the digital values being transfered to a D/A converter
    • H03J5/0263—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 the digital values being transfered to a D/A converter the digital values being held in an auxiliary non erasable memory
    • 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
    • H03J1/047—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's
    • H03J1/048—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's with digital indication
    • 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)
  • Circuits Of Receivers In General (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
GB54349/77A 1976-12-30 1977-12-30 Radio broadcast receivers Expired GB1595940A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2659447A DE2659447B2 (de) 1976-12-30 1976-12-30 For ein Fahrzeug vorgesehener Rundfunkempfänger mit digitaler Frequenzanzeige

Publications (1)

Publication Number Publication Date
GB1595940A true GB1595940A (en) 1981-08-19

Family

ID=5996957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB54349/77A Expired GB1595940A (en) 1976-12-30 1977-12-30 Radio broadcast receivers

Country Status (7)

Country Link
JP (1) JPS5384617A (da)
BE (1) BE862399A (da)
DE (1) DE2659447B2 (da)
FR (1) FR2376559A1 (da)
GB (1) GB1595940A (da)
NL (1) NL7714425A (da)
SE (1) SE7714922L (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5919496B2 (ja) * 1978-04-03 1984-05-07 シャープ株式会社 周波数カウンタ
AU4953979A (en) * 1978-08-16 1980-02-21 Sony Corporation Receiver tuning with frequency synthesizer
JPS6241460Y2 (da) * 1980-08-15 1987-10-23
JPS58114621A (ja) * 1981-12-28 1983-07-08 Matsushita Electric Ind Co Ltd 電子同調式ラジオ受信機
DE4233260A1 (de) * 1992-10-02 1994-04-07 Becker Autoradio Verfahren zur Abstimmung eines Rundfunkempfängers mittels Stationstasten

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753119A (en) * 1971-04-07 1973-08-14 Magnavox Co Digital tuning indicator
DE2320530C2 (de) * 1973-04-21 1982-10-21 Blaupunkt-Werke Gmbh, 3200 Hildesheim Elektronische Sendersuchlaufautomatik für einen Rundfunkempfänger
DE2354059C2 (de) * 1973-10-29 1975-09-18 Standard Elektrik Lorenz Ag, 7000 Stuttgart Anordnung zum Programmieren digitaler Speicher mit Analogausgang zum automatischen Suchlauf und Programmieren für Fernseh- und Rundfunkempfänger
DE2358673B2 (de) * 1973-11-24 1977-02-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung fuer die digitale frequenzanzeige in einem rundfunkgeraet
NL7405304A (nl) * 1974-04-19 1975-10-21 Philips Nv Bedieningsinrichting.
PL89827B1 (da) * 1974-05-06 1976-12-31
JPS5823972B2 (ja) * 1975-05-30 1983-05-18 三洋電機株式会社 多バンドデイジタルシンセサイザ受信機
DE2529413A1 (de) * 1975-07-02 1977-01-27 Blaupunkt Werke Gmbh Verfahren zum abstimmen von empfaengern der nachrichtentechnik und zum digitalen speichern von sendern

Also Published As

Publication number Publication date
SE7714922L (sv) 1978-07-01
DE2659447B2 (de) 1979-05-31
FR2376559A1 (fr) 1978-07-28
JPS5384617A (en) 1978-07-26
DE2659447C3 (da) 1987-04-16
BE862399A (fr) 1978-04-14
DE2659447A1 (de) 1978-07-06
NL7714425A (nl) 1978-07-04

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee