FR2438379A1 - Systeme d'accord numerique pour un recepteur de radiodiffusion - Google Patents

Systeme d'accord numerique pour un recepteur de radiodiffusion

Info

Publication number
FR2438379A1
FR2438379A1 FR7924760A FR7924760A FR2438379A1 FR 2438379 A1 FR2438379 A1 FR 2438379A1 FR 7924760 A FR7924760 A FR 7924760A FR 7924760 A FR7924760 A FR 7924760A FR 2438379 A1 FR2438379 A1 FR 2438379A1
Authority
FR
France
Prior art keywords
broadcasting receiver
tuning system
digital tuning
range
reception frequency
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.)
Granted
Application number
FR7924760A
Other languages
English (en)
Other versions
FR2438379B1 (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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs 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 Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2438379A1 publication Critical patent/FR2438379A1/fr
Application granted granted Critical
Publication of FR2438379B1 publication Critical patent/FR2438379B1/fr
Granted 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
    • H03J5/0272—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • H03J5/0281—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 used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory

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)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)

Abstract

SYSTEME D'ACCORD NUMERIQUE POUR UN RECEPTEUR DE RADIODIFFUSION, COMPORTANT UNE MEMOIRE A PLUSIEURS CELLULES, DES ORGANES DE SELECTION D'UNE CELLULE, DES ORGANES DE COMMANDE DU BRANCHEMENT D'UNE GAMME DE RECEPTION ET DES MOYENS DE VARIATION CONTINUE DE LA FREQUENCE DE RECEPTION. LA SELECTION D'UNE GAMME D'ACCORD APPELLE UNE CELLULE DE MEMOIRE DANS LAQUELLE EST STOCKEE UNE FREQUENCE DE RECEPTION FIXANT LA POSITION INITIALE DE L'ACCORD.
FR7924760A 1978-10-04 1979-10-04 Systeme d'accord numerique pour un recepteur de radiodiffusion Granted FR2438379A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2843214A DE2843214C2 (de) 1978-10-04 1978-10-04 Digitales Abstimmsystem für ein Rundfunk-Empfangsgerät

Publications (2)

Publication Number Publication Date
FR2438379A1 true FR2438379A1 (fr) 1980-04-30
FR2438379B1 FR2438379B1 (fr) 1983-05-13

Family

ID=6051330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7924760A Granted FR2438379A1 (fr) 1978-10-04 1979-10-04 Systeme d'accord numerique pour un recepteur de radiodiffusion

Country Status (12)

Country Link
US (1) US4348771A (fr)
JP (2) JPS5549026A (fr)
AT (1) AT377651B (fr)
CH (1) CH647111A5 (fr)
DE (1) DE2843214C2 (fr)
DK (1) DK152634C (fr)
ES (1) ES484708A1 (fr)
FR (1) FR2438379A1 (fr)
GB (1) GB2034141B (fr)
IT (1) IT1123391B (fr)
NO (1) NO147258C (fr)
SE (1) SE438951B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0738719B2 (ja) * 1984-08-20 1995-04-26 パイオニア株式会社 Ｃａｔｖ端末のチャンネル設定装置
US4792986A (en) * 1985-12-11 1988-12-20 General Electric Company Portable radio system with externally programmable universal device connector
US4887086A (en) * 1987-07-28 1989-12-12 Trycomm Technologies, Inc. Combination scanner and radar detector
US5182646A (en) * 1990-09-24 1993-01-26 Thomson Consumer Electronics, Inc. Linkable scan lists for a television receiver
US5161023A (en) * 1990-09-24 1992-11-03 Thomson Consumer Electronics, Inc. Previous channel feature in a television receiver having multiple rf inputs
US5103314A (en) * 1990-09-24 1992-04-07 Thomson Consumer Electronics, Inc. Color-coded system for selection of rf input terminals and associated scan lists

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2334240A1 (de) * 1973-02-28 1974-08-29 Tonino Petruzziello Verschluss fuer metalluhrarmbaender
FR2312141A1 (fr) * 1975-05-17 1976-12-17 Licentia Gmbh Selecteur de canal electronique, pour televiseurs en particulier
FR2336827A2 (fr) * 1975-12-22 1977-07-22 Licentia Gmbh Montage d'accord pour recepteurs haute frequence
GB1503797A (en) * 1975-08-08 1978-03-15 Texas Instruments Inc Channel search and selection system for broadcast receive

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7414564A (nl) * 1973-11-16 1975-05-21 Int Standard Electric Corp Radio- of televisieontvanger met een zender- zoekinrichting.
JPS5515884B2 (fr) * 1973-12-28 1980-04-26
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
DE2533072C3 (de) * 1975-07-24 1978-10-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Abstimmschaltung für Hochfrequenzempfangsgeräte
DE2556486C3 (de) * 1975-12-16 1981-03-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Abstimmschaltung für Hochfrequenzempfangsgeräte
JPS6019391Y2 (ja) * 1978-07-19 1985-06-11 三洋電機株式会社 多バンド受信機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2334240A1 (de) * 1973-02-28 1974-08-29 Tonino Petruzziello Verschluss fuer metalluhrarmbaender
FR2312141A1 (fr) * 1975-05-17 1976-12-17 Licentia Gmbh Selecteur de canal electronique, pour televiseurs en particulier
GB1503797A (en) * 1975-08-08 1978-03-15 Texas Instruments Inc Channel search and selection system for broadcast receive
FR2336827A2 (fr) * 1975-12-22 1977-07-22 Licentia Gmbh Montage d'accord pour recepteurs haute frequence

Also Published As

Publication number Publication date
ATA646279A (de) 1984-08-15
DE2843214C2 (de) 1980-10-30
GB2034141B (en) 1982-12-01
CH647111A5 (de) 1984-12-28
JPS6484911A (en) 1989-03-30
NO793171L (no) 1980-04-09
NO147258C (no) 1983-03-02
US4348771A (en) 1982-09-07
JPH0241207B2 (fr) 1990-09-17
IT7926151A0 (it) 1979-10-01
ES484708A1 (es) 1980-06-16
DK413179A (da) 1980-04-05
SE7908200L (sv) 1980-04-05
JPS5549026A (en) 1980-04-08
NO147258B (no) 1982-11-22
DK152634B (da) 1988-03-28
JPS6234178B2 (fr) 1987-07-24
DE2843214B1 (de) 1980-03-13
SE438951B (sv) 1985-05-13
AT377651B (de) 1985-04-25
DK152634C (da) 1988-08-15
FR2438379B1 (fr) 1983-05-13
IT1123391B (it) 1986-04-30
GB2034141A (en) 1980-05-29

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Legal Events

Date Code Title Description
TP Transmission of property