Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-10-10
2006-10-10
La, Anh V. (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S545800, C340S545100
Reexamination Certificate
active
07119681
ABSTRACT:
A MEMS based overhead garage door intrusion sensor for a security system, such as a residential/home security system, for detecting an intrusion through an overhead garage door. In one embodiment, a MEMS sensor accelerometer is mounted with a sensitive axis of the MEMS device, along which the MEMS device measures acceleration/gravity, pointing vertically downward towards the earth when the overhead garage door is closed, such that the MEMS sensor measures a 1 g acceleration/gravity force, and when the overhead garage door is open, the sensitive axis of the MEMS device points horizontally with respect to the earth, such that the MEMS sensor measures a 0 g acceleration/gravity force, such that the output of the MEMS sensor, indicating either a 1 g or a 0 g measured acceleration/gravity force, indicates whether the overhead garage door is respectively closed or open. Alternatively, the MEMS sensor can be a MEMS switch. An ASIC or microcontroller can monitor the output of the MEMS sensor, and one embodiment employs wireless RF technology.
REFERENCES:
patent: 6046562 (2000-04-01), Emil
patent: 6148399 (2000-11-01), Lyke
patent: 6346889 (2002-02-01), Moss
patent: 6724316 (2004-04-01), Addy et al.
patent: 6940405 (2005-09-01), Script et al.
Analog Devices product brochure for MEMS Technology downloaded over the internet on May 11, 2004.
Analog Devices product brochure for ADXL202 Accelerometer downloaded over the internet on May 11, 2004.
Honeywell International , Inc.
La Anh V.
Scully , Scott, Murphy & Presser, P.C.
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