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FR2252699B1 - - Google Patents

Info

Publication number
FR2252699B1
FR2252699B1 FR7438468A FR7438468A FR2252699B1 FR 2252699 B1 FR2252699 B1 FR 2252699B1 FR 7438468 A FR7438468 A FR 7438468A FR 7438468 A FR7438468 A FR 7438468A FR 2252699 B1 FR2252699 B1 FR 2252699B1
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
FR7438468A
Other versions
FR2252699A1 (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 FR2252699A1 publication Critical patent/FR2252699A1/fr
Application granted granted Critical
Publication of FR2252699B1 publication Critical patent/FR2252699B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/02—Indicating arrangements
    • H03J1/04—Indicating arrangements with optical indicating means
    • H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
    • H03J1/047—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's
    • H03J1/048—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's with digital indication
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/38—Starting, stopping or resetting the counter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Manipulation Of Pulses (AREA)
FR7438468A 1973-11-24 1974-11-22 Expired FR2252699B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19732358673 DE2358673B2 (de) 1973-11-24 1973-11-24 Schaltungsanordnung fuer die digitale frequenzanzeige in einem rundfunkgeraet
DE2541201A DE2541201C3 (de) 1973-11-24 1975-09-16 Schaltungsanordnung mit veränderbarem Teilerverhältnis für die digitale Frequenzanzeige in einem Rundfunkgerät

Publications (2)

Publication Number Publication Date
FR2252699A1 FR2252699A1 (fr) 1975-06-20
FR2252699B1 true FR2252699B1 (fr) 1980-05-30

Family

ID=62567076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7438468A Expired FR2252699B1 (fr) 1973-11-24 1974-11-22

Country Status (10)

Country Link
US (1) US3949307A (fr)
JP (1) JPS5086206A (fr)
DE (2) DE2358673B2 (fr)
ES (1) ES432116A1 (fr)
FR (1) FR2252699B1 (fr)
GB (1) GB1483654A (fr)
HK (1) HK1080A (fr)
IT (1) IT1025480B (fr)
MY (1) MY8000279A (fr)
SE (1) SE397034B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824520Y2 (ja) * 1976-04-07 1983-05-26 富士通テン株式会社 受信周波数表示装置
DE2641782A1 (de) * 1976-09-17 1978-03-23 Licentia Gmbh Schaltungsanordnung fuer die digitale frequenzanzeige des am- und fm-bereiches in einem rundfunkgeraet
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
DE2659447C3 (de) * 1976-12-30 1987-04-16 Hitachi Sales Europa Gmbh, 2000 Hamburg Für ein Kraftfahrzeug vorgesehener Rundfunkempfänger
US4301540A (en) * 1977-08-30 1981-11-17 Pioneer Electronic Corporation Electronic tuning type receiver with digital to analog converter
CH620067A5 (fr) * 1977-09-13 1980-10-31 Bbc Brown Boveri & Cie
US4227156A (en) * 1977-12-01 1980-10-07 Licentia Patent-Verwaltungs-G.M.B.H. Circuit for at least two frequencies
US4888758A (en) * 1987-11-23 1989-12-19 Scruggs David M Data storage using amorphous metallic storage medium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3417341A (en) * 1967-06-13 1968-12-17 Gen Electric Composite am-fm intermediate frequency amplifier
US3509484A (en) * 1968-03-25 1970-04-28 Slant Fin Corp Digital frequency counting and display apparatus for tunable wide band signal generators
GB1284007A (en) * 1969-09-17 1972-08-02 Matsushita Electric Ind Co Ltd Am-fm radio receiver
US3753119A (en) * 1971-04-07 1973-08-14 Magnavox Co Digital tuning indicator

Also Published As

Publication number Publication date
DE2358673A1 (de) 1975-06-05
IT1025480B (it) 1978-08-10
ES432116A1 (es) 1976-09-01
JPS5086206A (fr) 1975-07-11
SE7414651L (fr) 1975-05-26
MY8000279A (en) 1980-12-31
DE2358673B2 (de) 1977-02-03
SE397034B (sv) 1977-10-10
DE2541201B2 (de) 1979-08-30
DE2541201C3 (de) 1980-05-08
HK1080A (en) 1980-01-18
DE2541201A1 (de) 1977-03-24
FR2252699A1 (fr) 1975-06-20
US3949307A (en) 1976-04-06
GB1483654A (en) 1977-08-24

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Legal Events

Date Code Title Description
ST Notification of lapse