Motion and intrusion detecting system

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry

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Details

358108, 358136, H04N 718

Patent

active

043374816

ABSTRACT:
A motion and intrusion detecting system wherein scanning at two different rates is carried out in order to more reliably detect fast and slow motion in a scene being viewed. Also, increased noise immunity is provided by providing a special scan which generates signals inhibiting generation of alarm indications corresponding to points at which a possible noise situation exists.

REFERENCES:
patent: 3590151 (1971-06-01), Keith
patent: 3686434 (1972-08-01), Lemelson
patent: 3740466 (1973-06-01), Marshall et al.
patent: 4081830 (1978-03-01), Mick et al.

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