DK500976A - Afstemningskobling til hojfrekvensmodtagere - Google Patents

Afstemningskobling til hojfrekvensmodtagere

Info

Publication number
DK500976A
DK500976A DK500976A DK500976A DK500976A DK 500976 A DK500976 A DK 500976A DK 500976 A DK500976 A DK 500976A DK 500976 A DK500976 A DK 500976A DK 500976 A DK500976 A DK 500976A
Authority
DK
Denmark
Prior art keywords
voting
coupling
high frequency
frequency receivers
receivers
Prior art date
Application number
DK500976A
Other languages
English (en)
Inventor
O Klank
D Rottmann
Original Assignee
Licentia 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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of DK500976A publication Critical patent/DK500976A/da

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Electric Clocks (AREA)
  • Circuits Of Receivers In General (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
  • Liquid Crystal Display Device Control (AREA)
DK500976A 1975-12-16 1976-11-05 Afstemningskobling til hojfrekvensmodtagere DK500976A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2556486A DE2556486C3 (de) 1975-12-16 1975-12-16 Abstimmschaltung für Hochfrequenzempfangsgeräte

Publications (1)

Publication Number Publication Date
DK500976A true DK500976A (da) 1977-06-17

Family

ID=5964462

Family Applications (1)

Application Number Title Priority Date Filing Date
DK500976A DK500976A (da) 1975-12-16 1976-11-05 Afstemningskobling til hojfrekvensmodtagere

Country Status (6)

Country Link
US (1) US4077009A (da)
JP (1) JPS5275205A (da)
DE (1) DE2556486C3 (da)
DK (1) DK500976A (da)
FR (1) FR2336001A2 (da)
GB (1) GB1562809A (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2655947C2 (de) * 1976-12-10 1986-07-31 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Zählschaltung zur Ermittlung der Empfangsfrequenz bzw. des Empfangskanals in einem Hochfrequenzüberlagerungsempfänger
US4156198A (en) * 1976-12-27 1979-05-22 The Magnavox Company Keyboard channel selection for television receivers
DE2718472C2 (de) * 1977-04-26 1986-05-15 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Abstimmschaltung für einen Hochfrequenz-Überlagerungsempfänger mit gleichspannungsgesteuerter Abstimmung
JPS5944805B2 (ja) * 1977-08-26 1984-11-01 株式会社日立製作所 自動選局装置
DE2843214C2 (de) * 1978-10-04 1980-10-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digitales Abstimmsystem für ein Rundfunk-Empfangsgerät
US4352206A (en) * 1980-04-08 1982-09-28 Rca Corporation Comparison arrangement for a digital tuning system
DE3025358A1 (de) * 1980-07-04 1982-01-21 Deutsche Itt Industries Gmbh, 7800 Freiburg Regelsystem zum einstellen einer physikalischen groesse
US6173164B1 (en) * 1997-09-15 2001-01-09 Wireless Access Method and apparatus for wide range automatic frequency control

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2357371C2 (de) * 1973-11-16 1982-08-12 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Kanalwähler
US3961266A (en) * 1974-01-03 1976-06-01 Zenith Radio Corporation Channel seeking tuning system
DE2437974C3 (de) * 1974-08-07 1979-04-26 Texas Instruments Deutschland Gmbh, 8050 Freising Kanalsuch- und Kanalwählanordnung
US3973205A (en) * 1974-10-03 1976-08-03 Zenith Radio Corporation Television tuning system indicator
US4005369A (en) * 1975-08-04 1977-01-25 Zenith Radio Corporation AC line multiplexing for a multi-digit display system

Also Published As

Publication number Publication date
JPS5275205A (en) 1977-06-24
US4077009A (en) 1978-02-28
DE2556486B2 (de) 1980-04-17
FR2336001A2 (fr) 1977-07-15
GB1562809A (en) 1980-03-19
DE2556486A1 (de) 1977-06-30
DE2556486C3 (de) 1981-03-19

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