Switch structure having display and playback device

Details Switch structure having display and playback device Switch structure having display and playback device

2011-05-17

2011-05-17

Leon, Edwin A. (Department: 2833)

Electricity: circuit makers and breakers

Electric switch details

Indicators

Reexamination Certificate

active

07943877

ABSTRACT:
A switch structure having a display and playback device is proposed. The switch structure comprises an upper housing and a lower housing jointly enclosing therein the display and playback device that is connected to a circuit board. A resilient member is provided for supporting and positioning internal components of the switch structure. A display-and-playback-device housing has support rods provided at two sides thereof to prevent the switch structure from slanting when pressed. When a conductor and a terminal settled in the lower housing connect with or disconnect from each other, functions of opening and closing a circuit and enabling signal input are enabled. The display and playback device plays back and displays dynamic and still images to indicate functions and state of use of an equipment and enable personalized panels, thereby improving work efficiency and accuracy of operation.

REFERENCES:
patent: 4987279 (1991-01-01), Hirose et al.
patent: 5072085 (1991-12-01), Shinohara et al.
patent: 5278362 (1994-01-01), Ohashi

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