GB2091964B - Circuit for detecting dropouts - Google Patents

Circuit for detecting dropouts

Info

Publication number
GB2091964B
GB2091964B GB8137976A GB8137976A GB2091964B GB 2091964 B GB2091964 B GB 2091964B GB 8137976 A GB8137976 A GB 8137976A GB 8137976 A GB8137976 A GB 8137976A GB 2091964 B GB2091964 B GB 2091964B
Authority
GB
United Kingdom
Prior art keywords
circuit
detecting dropouts
dropouts
detecting
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
Application number
GB8137976A
Other versions
GB2091964A (en
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB2091964A publication Critical patent/GB2091964A/en
Application granted granted Critical
Publication of GB2091964B publication Critical patent/GB2091964B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • 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
    • G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/19—Monitoring patterns of pulse trains

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Television Signal Processing For Recording (AREA)
  • Manipulation Of Pulses (AREA)
GB8137976A 1980-12-26 1981-12-16 Circuit for detecting dropouts Expired GB2091964B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18391080A JPS57109421A (en) 1980-12-26 1980-12-26 Drop-out detecting circuit

Publications (2)

Publication Number Publication Date
GB2091964A GB2091964A (en) 1982-08-04
GB2091964B true GB2091964B (en) 1985-06-12

Family

ID=16143948

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8137976A Expired GB2091964B (en) 1980-12-26 1981-12-16 Circuit for detecting dropouts

Country Status (2)

Country Link
JP (1) JPS57109421A (en)
GB (1) GB2091964B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60157325A (en) * 1984-01-26 1985-08-17 Meretsuku:Kk Frequency clamping circuit
DD245030A1 (en) * 1985-12-23 1987-04-22 Geraete & Regler Werke Veb CIRCUIT ARRANGEMENT FOR SELECTIVE FLAME MONITORING IN MULTI-BURNER PLANT
US5912929A (en) * 1997-03-27 1999-06-15 Elsag International N.V. Method and apparatus for performing carrier detection

Also Published As

Publication number Publication date
GB2091964A (en) 1982-08-04
JPS57109421A (en) 1982-07-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee