Sensors and methods for detecting attachment to a surface

Details Sensors and methods for detecting attachment to a surface Sensors and methods for detecting attachment to a surface

2005-10-18

2005-10-18

Tweet, Jr., John (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S568200, C340S568400

Reexamination Certificate

active

06956479

ABSTRACT:
Sensors and methods for detecting attachment to a surface are disclosed. The sensors include a housing having an inner surface, an outer surface and a passage extending through the housing. An elongated member or fastener extends though the passage and protrudes from the outer surface of the housing to attach the sensor to a surface. First and second electrical contacts are disposed within the housing so that when the sensor is attached to the surface an electrical path is formed between the first and second electrical contacts.

REFERENCES:
patent: 4772878 (1988-09-01), Kane
patent: 6087939 (2000-07-01), Leyden et al.
patent: 6570502 (2003-05-01), Matsuo
patent: 6756900 (2004-06-01), Leyden et al.
International Search Report; Sep. 24, 2004; 3 pages.
Written Opinion of the International Searching Authority; Sep. 24, 2004; 6 pages.

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