JPS5243412A - Recording state detection method of video-head - Google Patents

Recording state detection method of video-head

Info

Publication number
JPS5243412A
JPS5243412A JP11941275A JP11941275A JPS5243412A JP S5243412 A JPS5243412 A JP S5243412A JP 11941275 A JP11941275 A JP 11941275A JP 11941275 A JP11941275 A JP 11941275A JP S5243412 A JPS5243412 A JP S5243412A
Authority
JP
Japan
Prior art keywords
head
video
detection method
state detection
recording state
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
JP11941275A
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 JP11941275A priority Critical patent/JPS5243412A/en
Publication of JPS5243412A publication Critical patent/JPS5243412A/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
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements

Landscapes

  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

PURPOSE:To take out and detect reproducing signal with the specified level by switching the head to reproducing motion when the video-head of skip recording use VTR is tracing the recording track without loading, and to generate the alarm when it is less than the specified level.
JP11941275A 1975-10-03 1975-10-03 Recording state detection method of video-head Pending JPS5243412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11941275A JPS5243412A (en) 1975-10-03 1975-10-03 Recording state detection method of video-head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11941275A JPS5243412A (en) 1975-10-03 1975-10-03 Recording state detection method of video-head

Publications (1)

Publication Number Publication Date
JPS5243412A true JPS5243412A (en) 1977-04-05

Family

ID=14760815

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11941275A Pending JPS5243412A (en) 1975-10-03 1975-10-03 Recording state detection method of video-head

Country Status (1)

Country Link
JP (1) JPS5243412A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59171091A (en) * 1983-03-05 1984-09-27 Otani Denki Kk Sound recording abnormality monitoring device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5050021A (en) * 1973-09-01 1975-05-06

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5050021A (en) * 1973-09-01 1975-05-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59171091A (en) * 1983-03-05 1984-09-27 Otani Denki Kk Sound recording abnormality monitoring device

Similar Documents

Publication Publication Date Title
JPS5350713A (en) Magnetic picture recording and reproducing apparatus
JPS5243412A (en) Recording state detection method of video-head
JPS5357804A (en) Information retrieval apparatus
JPS5241505A (en) Recorder/player
JPS52132810A (en) Recorded recording medium
JPS5255608A (en) Magnetic recording and playback system
JPS5275426A (en) Video signal recording apparatus
JPS5382118A (en) Long time magnetic recording and reproducing unit
JPS5221814A (en) Track detection system
JPS5369619A (en) Magnetic recording apparatus
JPS543507A (en) Magnetic recorder and magnetic reproducer
JPS5229713A (en) Track position detector
JPS5380210A (en) Magnetic tape device
JPS5312607A (en) Magnetic recorder
JPS5257814A (en) Video magnetic disk device
JPS5271214A (en) Playback method
JPS5242711A (en) Judgement signal recording method in tape recorder for dictation
JPS5222498A (en) Display unit for alarms by voice
JPS5374008A (en) Servo signal writing method
JPS5333106A (en) Magnetic
JPS5262416A (en) Recording reproducer check method
JPS53110810A (en) Reproducing device
JPS5373113A (en) Recording and reproducing apparatus
JPS5275425A (en) Magnetic recording and reproduction apparatus
JPS533728A (en) Record control unit in video signal recorde and reproducing device