Control system for a security access device, in particular for revolving doors (1), including video imaging and processing to determine the number of persons within a secured region of the security access device, and controlling the operability of the security access device in dependence on the number of persons.
申请公布号
WO9638820(A1)
申请公布日期
1996.12.05
申请号
WO1996GB01249
申请日期
1996.05.24
申请人
MAYOR LIMITED;FAIRHURST, MICHAEL, CHRISTOPHER;KELLY, STEPHEN WILLIAM;GOLDING, MARTIN
发明人
FAIRHURST, MICHAEL, CHRISTOPHER;KELLY, STEPHEN WILLIAM;GOLDING, MARTIN
