CH615541A5 - - Google Patents

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Publication number
CH615541A5
CH615541A5 CH547177A CH547177A CH615541A5 CH 615541 A5 CH615541 A5 CH 615541A5 CH 547177 A CH547177 A CH 547177A CH 547177 A CH547177 A CH 547177A CH 615541 A5 CH615541 A5 CH 615541A5
Authority
CH
Switzerland
Prior art keywords
tuning
memory
voltage
part according
digital
Prior art date
Application number
CH547177A
Other languages
German (de)
English (en)
Inventor
Ciro Maddaloni
Original Assignee
Voxson Spa
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 Voxson Spa filed Critical Voxson Spa
Publication of CH615541A5 publication Critical patent/CH615541A5/de

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
CH547177A 1976-05-03 1977-05-02 CH615541A5 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT49305/76A IT1061633B (it) 1976-05-03 1976-05-03 Radiori cevitore o sintonizzatore munito di mezzi di memorizzazione a stato solido per una molteplicita di frequenze di ricezione

Publications (1)

Publication Number Publication Date
CH615541A5 true CH615541A5 (ja) 1980-01-31

Family

ID=11270275

Family Applications (1)

Application Number Title Priority Date Filing Date
CH547177A CH615541A5 (ja) 1976-05-03 1977-05-02

Country Status (14)

Country Link
US (1) US4137502A (ja)
AU (1) AU512370B2 (ja)
BE (1) BE854203A (ja)
CH (1) CH615541A5 (ja)
DE (1) DE2719152A1 (ja)
DK (1) DK190877A (ja)
ES (1) ES458384A1 (ja)
FR (1) FR2350733A1 (ja)
GB (1) GB1550307A (ja)
IT (1) IT1061633B (ja)
NL (1) NL7704816A (ja)
NO (1) NO771408L (ja)
PT (1) PT66458B (ja)
SE (1) SE7705065L (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1108164B (it) * 1978-05-22 1985-12-02 Indesit Dispositivo per la sintonia di un televisore
JPS5830326Y2 (ja) * 1978-09-19 1983-07-04 ソニー株式会社 表示装置
DE2913366C2 (de) * 1979-04-03 1983-10-06 Walter Dittel GmbH, 8910 Landsberg Funkgerät
CA1173176A (en) * 1979-06-04 1984-08-21 Isao Fujimoto Tuner apparatus
US4281349A (en) * 1980-04-29 1981-07-28 Rca Corporation Power supply arrangement for a tuning system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5325721B2 (ja) * 1973-11-07 1978-07-28
DE2356858C2 (de) * 1973-11-14 1980-09-25 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltung zum Programmieren digitaler Speicher mit Analogausgang in Fernseh- oder Rundfunkempfängern
US3979680A (en) * 1973-11-15 1976-09-07 Matsushita Electric Industrial Co., Ltd. Channel selector
NL7414565A (nl) * 1973-11-16 1975-05-21 Int Standard Electric Corp Radio- of televisieontvanger.
US3835424A (en) * 1973-11-28 1974-09-10 Motorola Inc Channel indicator and display arrangement utilizing d-c tuning voltages of varactor tuner
SE7406277L (sv) * 1974-05-10 1975-11-11 Luxor Industri Ab Programmerbar spenningskella.
JPS5415164B2 (ja) * 1974-05-20 1979-06-13
JPS5513616B2 (ja) * 1975-02-06 1980-04-10
IT1064110B (it) * 1976-03-09 1985-02-18 Voxson Spa Sistema di sintonia elettronica con memorizzazione digitale delle stazioni radio emittenti

Also Published As

Publication number Publication date
SE7705065L (sv) 1977-11-04
DE2719152A1 (de) 1977-11-24
GB1550307A (en) 1979-08-08
AU512370B2 (en) 1980-10-09
PT66458B (fr) 1978-09-25
ES458384A1 (es) 1978-02-16
AU2451377A (en) 1978-10-26
NL7704816A (nl) 1977-11-07
US4137502A (en) 1979-01-30
BE854203A (fr) 1977-09-01
FR2350733A1 (fr) 1977-12-02
IT1061633B (it) 1983-04-30
PT66458A (fr) 1977-05-01
DK190877A (da) 1977-11-04
NO771408L (no) 1977-11-04
FR2350733B1 (ja) 1981-11-06

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Legal Events

Date Code Title Description
PL Patent ceased