JPS52112949A - Device for detecting crowd degree - Google Patents

Device for detecting crowd degree

Info

Publication number
JPS52112949A
JPS52112949A JP2808776A JP2808776A JPS52112949A JP S52112949 A JPS52112949 A JP S52112949A JP 2808776 A JP2808776 A JP 2808776A JP 2808776 A JP2808776 A JP 2808776A JP S52112949 A JPS52112949 A JP S52112949A
Authority
JP
Japan
Prior art keywords
crowd degree
detecting crowd
degree
detecting
rendering
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.)
Granted
Application number
JP2808776A
Other languages
Japanese (ja)
Other versions
JPS5730782B2 (en
Inventor
Hiroshi Kinoshita
Takeo Yuminaka
Masakazu Ejiri
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 JP2808776A priority Critical patent/JPS52112949A/en
Publication of JPS52112949A publication Critical patent/JPS52112949A/en
Publication of JPS5730782B2 publication Critical patent/JPS5730782B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To precisely determine the crowd degree by rendering a predetermined area of a video image insensitive under certain conditions.
COPYRIGHT: (C)1977,JPO&Japio
JP2808776A 1976-03-17 1976-03-17 Device for detecting crowd degree Granted JPS52112949A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2808776A JPS52112949A (en) 1976-03-17 1976-03-17 Device for detecting crowd degree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2808776A JPS52112949A (en) 1976-03-17 1976-03-17 Device for detecting crowd degree

Publications (2)

Publication Number Publication Date
JPS52112949A true JPS52112949A (en) 1977-09-21
JPS5730782B2 JPS5730782B2 (en) 1982-06-30

Family

ID=12238988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2808776A Granted JPS52112949A (en) 1976-03-17 1976-03-17 Device for detecting crowd degree

Country Status (1)

Country Link
JP (1) JPS52112949A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58217294A (en) * 1982-06-07 1983-12-17 株式会社日立製作所 Safety apparatus of industrial robot
JP2020177764A (en) * 2019-04-16 2020-10-29 三菱電機株式会社 Control system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6218801B2 (en) * 2015-12-17 2017-10-25 東芝エレベータ株式会社 Elevator system and elevator control device used therefor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4929743A (en) * 1972-07-17 1974-03-16
JPS5056110A (en) * 1973-09-13 1975-05-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4929743A (en) * 1972-07-17 1974-03-16
JPS5056110A (en) * 1973-09-13 1975-05-16

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58217294A (en) * 1982-06-07 1983-12-17 株式会社日立製作所 Safety apparatus of industrial robot
JPS6336919B2 (en) * 1982-06-07 1988-07-22 Hitachi Ltd
JP2020177764A (en) * 2019-04-16 2020-10-29 三菱電機株式会社 Control system

Also Published As

Publication number Publication date
JPS5730782B2 (en) 1982-06-30

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