Security system status reporting

Details Security system status reporting Security system status reporting

1984-03-05

1986-11-11

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular coupling link

340534, 340555, 340506, 340500, 340517, 455600, 342435, G08B 100, H04Q 700

Patent

active

046225404

ABSTRACT:
Alarm system apparatus and method for optically transmitting information indicative of system operational status from an alarm detection unit to a remote receiver. The alarm detection unit includes a light emitting element for optical transmission of diagnostic and other data to the receiver. The light emitting element is pulse activated in accordance with a specified protocol to optically transmit data serially to the receiver, and the receiver is adapted for decoding of the serially transmitted data to provide an output indication to a system user indicative of detection unit operational parameters. One embodiment of the invention includes a bar graph indicator to provide a visual indication of selected operational parameters as an aid to a user in assessing system performance characteristics.

REFERENCES:
patent: 3665439 (1972-05-01), Brummer et al.
patent: 4077030 (1978-02-01), Helava
patent: 4143368 (1979-03-01), Route et al.
patent: 4267590 (1981-05-01), Bosotti
patent: 4460892 (1984-07-01), Bailey, Jr.

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