Station platform observation method

Details Station platform observation method Station platform observation method

1988-01-07

1989-02-21

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358105, H04N 718

Patent

active

048070270

ABSTRACT:
A train platform observation method in which the platform is continuously observed by a television camera and the output of the camera is displayed on a television monitor. First scene data outputted by the camera is compared with later-outputted second scene data, and variations therebetween are detected. When the level of the detected variations exceed a predetermined level, an indication is given to the operator that a dangerous condition exists and a signal is produced which prevents the train from departing the platform. An indication may also be produced on the monitor to indicate to the operator where the dangerous condition is present.

REFERENCES:
patent: 2956117 (1980-10-01), Ernst et al.
patent: 4198653 (1980-04-01), Kamin
patent: 4249207 (1981-02-01), Harman et al.
patent: 4337481 (1982-06-01), Milk et al.
patent: 4348274 (1982-08-01), Bambara
patent: 4418224 (1983-10-01), Yoshida
patent: 4458260 (1984-07-01), Mahoney
patent: 4679077 (1987-07-01), Yuasa et al.
METRO '77 Owner's Manual, prepared by The Office of Marketing, Washington Metropolitan Area Transit Authority, pp. 14 & 15.
"Continuous Control is Metro's Goal", The Professional Journal of Business Communications, Oct. '76, p. 28.

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