Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1998-03-03
2000-02-22
Tong, Nina
Communications: electrical
Condition responsive indicating system
Specific condition
3406911, 3406931, 340571, 340539, G08B 2100
Patent
active
060285257
ABSTRACT:
This invention relates to a tilt switch, which when activated sends signals to a wireless remote receiver. The receiver will alert the human operator and/or execute a process or any programmed action.
REFERENCES:
patent: 4547972 (1985-10-01), Heidel et al.
patent: 5661464 (1997-08-01), Bilak et al.
patent: 5801618 (1998-09-01), Jenkins
patent: 5877686 (1999-03-01), Ibey et al.
Shukla Ashok K
Shukla Mukta M
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