Television set with supervisory functions of alarming burglary a

Details Television set with supervisory functions of alarming burglary a Television set with supervisory functions of alarming burglary a

1980-02-21

1982-03-23

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340571, 340751, 340691, G08B 1300, G08B 2100

Patent

active

043215939

ABSTRACT:
A television set suppresses its video display or responds in another preselected fashion when a viewer is too close to its screen, and is also capable of serving as a burglar alarm. A predetermined condition causes a detection device to generate a signal, which is processed and used to trigger either an alarm, video suppression circuitry or another preselected response. Provision is made for a delay in triggering to prevent undesired responses.

REFERENCES:
patent: 3289194 (1966-11-01), King
patent: 3445835 (1969-05-01), Fudaley
patent: 3469252 (1969-09-01), Bet
patent: 3929335 (1975-12-01), Malick
patent: 3988533 (1976-10-01), Mick et al.
patent: 4189719 (1980-02-01), Massa et al.

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