Tamper switch arrangement

Communications: electrical – Condition responsive indicating system – Specific condition

Reexamination Certificate

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Details

C340S542000, C340S686100, C340S568100

Reexamination Certificate

active

11065191

ABSTRACT:
A tamper switch arrangement detects tampering with a device, and includes a tamper switch assembly having a tamper switch with a first part and a second part. The first and second parts are movable relative to each other between an open switch position and a closed switch position. The tamper switch is biased into one of the open and closed switch positions. An enclosure substantially encloses the tamper switch assembly and the device. The enclosure includes a door and an opening disposed opposite the door. The enclosure is sized such that the tamper switch assembly may be compressed between an inner surface of the door and a second surface via the opening to thereby overcome the bias and actuate the tamper switch into an other of the open and closed switch positions.

REFERENCES:
patent: 2797405 (1957-06-01), Stelter
patent: 3797006 (1974-03-01), Reininger
patent: 3842410 (1974-10-01), Gopperton
patent: 4329681 (1982-05-01), Parsons
patent: 4605922 (1986-08-01), Blattman et al.
patent: 5369548 (1994-11-01), Combs
patent: 5764729 (1998-06-01), Black et al.
patent: 5930355 (1999-07-01), Poston
patent: 6061447 (2000-05-01), Poston
patent: 6285912 (2001-09-01), Ellison et al.
patent: 6778083 (2004-08-01), Auerbach et al.
patent: 2003/0060156 (2003-03-01), Giaccherini et al.
patent: 2004/0066275 (2004-04-01), Mickler
patent: 1 494 188 (2005-01-01), None

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