DE68909453D1 - Frequenzbestimmung. - Google Patents

Frequenzbestimmung.

Info

Publication number
DE68909453D1
DE68909453D1 DE89302365T DE68909453T DE68909453D1 DE 68909453 D1 DE68909453 D1 DE 68909453D1 DE 89302365 T DE89302365 T DE 89302365T DE 68909453 T DE68909453 T DE 68909453T DE 68909453 D1 DE68909453 D1 DE 68909453D1
Authority
DE
Germany
Prior art keywords
frequency determination
determination
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.)
Expired - Fee Related
Application number
DE89302365T
Other languages
English (en)
Other versions
DE68909453T2 (de
Inventor
Naotaka C O Patents Divis Ando
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE68909453D1 publication Critical patent/DE68909453D1/de
Publication of DE68909453T2 publication Critical patent/DE68909453T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Synchronizing For Television (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Television Systems (AREA)
DE89302365T 1988-03-14 1989-03-10 Frequenzbestimmung. Expired - Fee Related DE68909453T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63059974A JPH01232393A (ja) 1988-03-14 1988-03-14 周波数検出器

Publications (2)

Publication Number Publication Date
DE68909453D1 true DE68909453D1 (de) 1993-11-04
DE68909453T2 DE68909453T2 (de) 1994-03-31

Family

ID=13128653

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89302365T Expired - Fee Related DE68909453T2 (de) 1988-03-14 1989-03-10 Frequenzbestimmung.

Country Status (6)

Country Link
US (1) US4922343A (de)
EP (1) EP0333382B1 (de)
JP (1) JPH01232393A (de)
KR (1) KR0120742B1 (de)
CA (1) CA1313221C (de)
DE (1) DE68909453T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2668438B2 (ja) * 1989-04-21 1997-10-27 三菱電機株式会社 データ検索装置
US5341217A (en) * 1990-03-06 1994-08-23 Martin Marietta Corporation Digital adaptive video synchronizer
US5126639A (en) * 1991-06-04 1992-06-30 Zenith Electronics Corporation Sequential scan system changes for multiple frequency range oscillator and control
JPH0755856A (ja) * 1993-08-23 1995-03-03 Mitsubishi Electric Corp 周期測定装置
JP3149124B2 (ja) * 1995-03-06 2001-03-26 株式会社コンテック 色信号サンプリング方法
US6097440A (en) * 1995-11-17 2000-08-01 Sony Corporation Synchronous processing device
US6108046A (en) * 1998-06-01 2000-08-22 General Instrument Corporation Automatic detection of HDTV video format
EP1370090A1 (de) * 2002-06-03 2003-12-10 Sony International (Europe) GmbH Videoformatdetektor
CN104808056B (zh) * 2015-04-19 2018-12-11 华南理工大学 一种基于比较器转换的频率特性测试方法与装置
KR102660412B1 (ko) * 2018-10-30 2024-04-25 에스케이하이닉스 주식회사 주파수 감지 회로

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735387A (en) * 1969-08-21 1973-05-22 Gen Electric Means for inhibiting flutter in a numerical display
JPS50132966A (de) * 1974-04-05 1975-10-21
US4144489A (en) * 1974-09-23 1979-03-13 Texas Instruments Incorporated Simplified frequency to digital converter using all digital electronics
DE2850082A1 (de) * 1978-11-18 1980-05-29 Licentia Gmbh Anordnung zur aufbereitung periodischer signale
DE3007657A1 (de) * 1980-02-29 1981-09-17 Hermann Dipl.-Ing. Dr. 5307 Wachtberg Schäfer Quarzgenauer taktfrequenzmesser fuer binaer codierte signale
JPS6080786A (ja) * 1983-10-07 1985-05-08 Advantest Corp 時間間隔測定装置
EP0213233B1 (de) * 1985-09-06 1990-07-25 Deutsche ITT Industries GmbH Digitalschaltung zur Frequenzbereichsklassifizierung der Frequenz eines Signals

Also Published As

Publication number Publication date
JPH01232393A (ja) 1989-09-18
CA1313221C (en) 1993-01-26
KR890015607A (ko) 1989-10-30
US4922343A (en) 1990-05-01
EP0333382A1 (de) 1989-09-20
EP0333382B1 (de) 1993-09-29
DE68909453T2 (de) 1994-03-31
KR0120742B1 (ko) 1997-11-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee