JPS5752248A - Data separating circuit - Google Patents

Data separating circuit

Info

Publication number
JPS5752248A
JPS5752248A JP12631680A JP12631680A JPS5752248A JP S5752248 A JPS5752248 A JP S5752248A JP 12631680 A JP12631680 A JP 12631680A JP 12631680 A JP12631680 A JP 12631680A JP S5752248 A JPS5752248 A JP S5752248A
Authority
JP
Japan
Prior art keywords
error
data
circuit
plural
ffs
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.)
Pending
Application number
JP12631680A
Other languages
Japanese (ja)
Inventor
Yoshitaka Katayama
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP12631680A priority Critical patent/JPS5752248A/en
Publication of JPS5752248A publication Critical patent/JPS5752248A/en
Pending 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

Abstract

PURPOSE:To execute a stable data separation which is low in an error rate of a data, by discriminating a digital data having an error detecting code by plural discrimination levels, detecting an error in accordance with the error detecting code, and contrasting the error rate. CONSTITUTION:A pseudo television signal from a VTR is amplified at 1, is DC- reproduced by a clamping circuit 2, is led to plural comparators 3a-3c, and is discriminated by plural discrimination levels. As for a discriminated data, its error is detected by error detecting circuits 11a-11c, and whenever the error is detected, a detection pulse is provided to ternary counters 13a-13c. When the counters 13a-13c have counted a data error three times, they provide the outputs to monostable multivibrators 14a-14c and an AND circuit 16, and obtain information corresponding to an error rate. Output pulses from the monostable multivibrators are inputted to FFs 15a-15c, respectively, when an output has been provided from the circuit 16, switches 6a-6c are driven selectively by outputs of the FFs, and a separated data from the comparators 3a-3c is sent to a PCM demodulator 7.
JP12631680A 1980-09-11 1980-09-11 Data separating circuit Pending JPS5752248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12631680A JPS5752248A (en) 1980-09-11 1980-09-11 Data separating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12631680A JPS5752248A (en) 1980-09-11 1980-09-11 Data separating circuit

Publications (1)

Publication Number Publication Date
JPS5752248A true JPS5752248A (en) 1982-03-27

Family

ID=14932163

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12631680A Pending JPS5752248A (en) 1980-09-11 1980-09-11 Data separating circuit

Country Status (1)

Country Link
JP (1) JPS5752248A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61150968A (en) * 1984-12-25 1986-07-09 Murata Mach Ltd Yarn end treating device
JPS63100811A (en) * 1986-10-16 1988-05-02 Nec Corp Interface circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61150968A (en) * 1984-12-25 1986-07-09 Murata Mach Ltd Yarn end treating device
JPH0138750B2 (en) * 1984-12-25 1989-08-16 Murata Machinery Ltd
JPS63100811A (en) * 1986-10-16 1988-05-02 Nec Corp Interface circuit

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