JPS51113530A - A system to detect change in picture - Google Patents

A system to detect change in picture

Info

Publication number
JPS51113530A
JPS51113530A JP3803575A JP3803575A JPS51113530A JP S51113530 A JPS51113530 A JP S51113530A JP 3803575 A JP3803575 A JP 3803575A JP 3803575 A JP3803575 A JP 3803575A JP S51113530 A JPS51113530 A JP S51113530A
Authority
JP
Japan
Prior art keywords
picture
detect change
detect
change
actuated
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
JP3803575A
Other languages
Japanese (ja)
Inventor
Katsuhisa Muto
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
Priority to JP3803575A priority Critical patent/JPS51113530A/en
Publication of JPS51113530A publication Critical patent/JPS51113530A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: A system to detect change in picture, wherein alarm system is actuated by difference signal of television picture.
COPYRIGHT: (C)1976,JPO&Japio
JP3803575A 1975-03-31 1975-03-31 A system to detect change in picture Pending JPS51113530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3803575A JPS51113530A (en) 1975-03-31 1975-03-31 A system to detect change in picture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3803575A JPS51113530A (en) 1975-03-31 1975-03-31 A system to detect change in picture

Publications (1)

Publication Number Publication Date
JPS51113530A true JPS51113530A (en) 1976-10-06

Family

ID=12514280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3803575A Pending JPS51113530A (en) 1975-03-31 1975-03-31 A system to detect change in picture

Country Status (1)

Country Link
JP (1) JPS51113530A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675689A (en) * 1979-11-26 1981-06-22 Sharp Kk Tester for display unit
JPS60264180A (en) * 1984-06-13 1985-12-27 Shigumatsukusu Kk Supervisory equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5675689A (en) * 1979-11-26 1981-06-22 Sharp Kk Tester for display unit
JPS60264180A (en) * 1984-06-13 1985-12-27 Shigumatsukusu Kk Supervisory equipment

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