JPS5766558A - Recorder for video signal - Google Patents

Recorder for video signal

Info

Publication number
JPS5766558A
JPS5766558A JP55141560A JP14156080A JPS5766558A JP S5766558 A JPS5766558 A JP S5766558A JP 55141560 A JP55141560 A JP 55141560A JP 14156080 A JP14156080 A JP 14156080A JP S5766558 A JPS5766558 A JP S5766558A
Authority
JP
Japan
Prior art keywords
circuit
video signal
phase
motor
amplifier
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
JP55141560A
Other languages
Japanese (ja)
Inventor
Mitsuaki Furukawa
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.)
NEC Home Electronics Ltd
NEC Corp
Original Assignee
NEC Home Electronics Ltd
Nippon 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 NEC Home Electronics Ltd, Nippon Electric Co Ltd filed Critical NEC Home Electronics Ltd
Priority to JP55141560A priority Critical patent/JPS5766558A/en
Publication of JPS5766558A publication Critical patent/JPS5766558A/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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Abstract

PURPOSE:To obtain a magnetic pattern in which horizontal synchronizing signals are in phase, by providing a circuit which delays a video signal corresponding to variations in the DC voltage of a rotary head driving motor. CONSTITUTION:A video signal S1 is inputted from an input terminal 1 and supplied to a delay circuit 5 through an LPF2, an AGC3 and a video amplifier 4. The video signal S1 is further supplied to a synchronous separating circuit 10, a frequency separating circuit 11 and a frequency divider 12 to output sample pulses S6. The rotary phase reference signal of a head motor 21, on the other hand, is inputted from terminals 16 and 17 to an FF15, and reference pulses S4 are applied to a phase comparator 13 through a trapezoidal-wave generating circuit 13, so that a signal obtained by extracting sample pulses S6 from a trapezoidal-wave S5 is supplied to a DC amplifier 18. On the basis of its output S3, a motor 21 is controlled through an oscillator 19 and a motor driving circuit 20, and with the output of the DC amplifier 18, a luminance signal passed through the delay circuit 5 is controlled and recorded 9. Thus, a magnetic pattern in which horizontal synchronizing signals are in phase is obtained.
JP55141560A 1980-10-09 1980-10-09 Recorder for video signal Pending JPS5766558A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55141560A JPS5766558A (en) 1980-10-09 1980-10-09 Recorder for video signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55141560A JPS5766558A (en) 1980-10-09 1980-10-09 Recorder for video signal

Publications (1)

Publication Number Publication Date
JPS5766558A true JPS5766558A (en) 1982-04-22

Family

ID=15294799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55141560A Pending JPS5766558A (en) 1980-10-09 1980-10-09 Recorder for video signal

Country Status (1)

Country Link
JP (1) JPS5766558A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59218083A (en) * 1983-05-25 1984-12-08 Sony Corp Disc recording device
JPS60137185A (en) * 1983-12-26 1985-07-20 Sony Corp Camera

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59218083A (en) * 1983-05-25 1984-12-08 Sony Corp Disc recording device
JPS60137185A (en) * 1983-12-26 1985-07-20 Sony Corp Camera

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