FR2170552A5 - - Google Patents

Info

Publication number
FR2170552A5
FR2170552A5 FR7245921A FR7245921A FR2170552A5 FR 2170552 A5 FR2170552 A5 FR 2170552A5 FR 7245921 A FR7245921 A FR 7245921A FR 7245921 A FR7245921 A FR 7245921A FR 2170552 A5 FR2170552 A5 FR 2170552A5
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.)
Expired
Application number
FR7245921A
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
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR2170552A5 publication Critical patent/FR2170552A5/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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it

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)
FR7245921A 1971-12-22 1972-12-22 Expired FR2170552A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712164015 DE2164015A1 (de) 1971-12-22 1971-12-22 Verfahren und anordnung zur abstimmung von hf-empfangsgeraeten, insbesondere fernsehempfaengern

Publications (1)

Publication Number Publication Date
FR2170552A5 true FR2170552A5 (fr) 1973-09-14

Family

ID=5828922

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7245921A Expired FR2170552A5 (fr) 1971-12-22 1972-12-22

Country Status (4)

Country Link
AU (1) AU466556B2 (fr)
DE (1) DE2164015A1 (fr)
FR (1) FR2170552A5 (fr)
GB (1) GB1417588A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548849A1 (fr) * 1983-07-05 1985-01-11 Raytheon Co Source d'hyperfrequences a frequences multiples

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1251498B (it) * 1991-09-18 1995-05-15 Minnesota Mining & Mfg Coloranti leuco cian cromogenici per emulsioni fototermografiche

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548849A1 (fr) * 1983-07-05 1985-01-11 Raytheon Co Source d'hyperfrequences a frequences multiples

Also Published As

Publication number Publication date
DE2164015A1 (de) 1973-07-19
AU4988672A (en) 1974-06-13
GB1417588A (en) 1975-12-10
AU466556B2 (en) 1975-10-30

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Legal Events

Date Code Title Description
ST Notification of lapse