Event occurrence time and frequency detection and recording appa

Details Event occurrence time and frequency detection and recording appa Event occurrence time and frequency detection and recording appa

1988-06-06

1991-09-10

Lall, Parshotam S.

Boots, shoes, and leggings

364556, 340934, 377 6, G06F 1520

Patent

active

050479628

ABSTRACT:
An apparatus for detecting and recording the time and frequency of occurrence of events at a predetermined surveillance site includes a sensor providing successive output signals corresponding to successive detections of an event occurrence at the surveillance site. The output signals from the sensor are input to a central processing unit operating a control program stored in a memory which stores in the memory the date, time and number of occurrences of events at the surveillance site. The apparatus also includes a keyboard for inputting start date and start time information and for initiating the operation of sensing of events and the recall of stored date, time and event occurrence number information for display on a digital display mounted on the apparatus. All of the operative components of the apparatus are powered by a d.c. electric power source and are contained in a waterproof housing mountable at a predetermined surveillance site.

REFERENCES:
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patent: 4258430 (1981-03-01), Tyburski
patent: 4271512 (1981-06-01), Lyhus
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Advertising Literature, of Trailmaster, Shawnee, Kans., showing "Infra-Red Game Counter/Timer".

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