Automatically actuatable switch device

Details Automatically actuatable switch device Automatically actuatable switch device

2006-10-31

2006-10-31

La, Anh V. (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specified housing

C340S687000, C340S693900, C340S691100, C340S332000, C307S112000

Reexamination Certificate

active

07129850

ABSTRACT:
A switch device includes a housing, a circuit board is disposed in the housing for being coupled between an electric power source and an electric appliance, a remote detecting device includes a light emitting and receiving device for generating lights to detect whether users are going toward the housing of the switch device or not, the remote detecting device includes an indicating light member to indicate whether an electric power energy has been supplied to the remote detecting device or not, and another indicating light member to indicate whether the light emitting and receiving device is working or not. A control device may control the electric appliance, when the light emitting and receiving device has detected that a user is going toward or close to the housing of the switch device.

REFERENCES:
patent: 4947054 (1990-08-01), Flowers et al.
patent: 5015994 (1991-05-01), Hoberman et al.
patent: 5586048 (1996-12-01), Coveley
patent: 6133843 (2000-10-01), Davidson
patent: 6741163 (2004-05-01), Roberts
patent: 6765149 (2004-07-01), Ku

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