FR2251956A1 - - Google Patents

Info

Publication number
FR2251956A1
FR2251956A1 FR7437895A FR7437895A FR2251956A1 FR 2251956 A1 FR2251956 A1 FR 2251956A1 FR 7437895 A FR7437895 A FR 7437895A FR 7437895 A FR7437895 A FR 7437895A FR 2251956 A1 FR2251956 A1 FR 2251956A1
Authority
FR
France
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
FR7437895A
Other languages
French (fr)
Other versions
FR2251956B1 (cs
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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
Priority claimed from DE19732357360 external-priority patent/DE2357360C3/de
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2251956A1 publication Critical patent/FR2251956A1/fr
Application granted granted Critical
Publication of FR2251956B1 publication Critical patent/FR2251956B1/fr
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
    • 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)
FR7437895A 1973-11-16 1974-11-18 Expired FR2251956B1 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732357360 DE2357360C3 (de) 1973-11-16 Rundfunk- oder Fernsehempfangsgerät

Publications (2)

Publication Number Publication Date
FR2251956A1 true FR2251956A1 (cs) 1975-06-13
FR2251956B1 FR2251956B1 (cs) 1979-08-24

Family

ID=5898331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7437895A Expired FR2251956B1 (cs) 1973-11-16 1974-11-18

Country Status (3)

Country Link
AT (1) AT353322B (cs)
FR (1) FR2251956B1 (cs)
NL (1) NL7414565A (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2334240A1 (fr) * 1975-07-24 1977-07-01 Licentia Gmbh Montage d'accord pour recepteurs haute frequence
FR2336827A2 (fr) * 1975-12-22 1977-07-22 Licentia Gmbh Montage d'accord pour recepteurs haute frequence
FR2350733A1 (fr) * 1976-05-03 1977-12-02 Voxson Spa Recepteur radio ou dispositif d'accord muni d'un organe de memorisation a semi-conducteurs, pour un grand nombre de frequences de reception

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2334240A1 (fr) * 1975-07-24 1977-07-01 Licentia Gmbh Montage d'accord pour recepteurs haute frequence
FR2336827A2 (fr) * 1975-12-22 1977-07-22 Licentia Gmbh Montage d'accord pour recepteurs haute frequence
FR2350733A1 (fr) * 1976-05-03 1977-12-02 Voxson Spa Recepteur radio ou dispositif d'accord muni d'un organe de memorisation a semi-conducteurs, pour un grand nombre de frequences de reception

Also Published As

Publication number Publication date
ATA911574A (de) 1979-04-15
AT353322B (de) 1979-11-12
NL7414565A (nl) 1975-05-21
DE2357360B2 (de) 1977-06-30
DE2357360A1 (de) 1975-05-22
FR2251956B1 (cs) 1979-08-24

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Legal Events

Date Code Title Description
ST Notification of lapse