Keybutton illuminating device and wireless communication...

Details Keybutton illuminating device and wireless communication... Keybutton illuminating device and wireless communication...

2005-03-15

2005-03-15

Nguyen, Lee (Department: 2682)

Telecommunications

Transmitter and receiver at same station

Having particular housing or support of a transceiver

C455S550100, C455S575100, C455S347000, C200S314000, C200S317000, C200S305000

Reexamination Certificate

active

06868259

ABSTRACT:
A keybutton structure that is composed of the casing18, the shielding case10that is provided with metal-type surface treatment, the keybutton7and the printed circuit board8that is mounted with a light emitting element, in that the light emitting element22, such as the LED, is surrounded entirely by the rib21that is disposed upright on the shielding case10. This configuration enables solving of the space problem as well as improvement in the luminous efficiency.

REFERENCES:
patent: 4776120 (1988-10-01), Utoh et al.
patent: 5664667 (1997-09-01), Kenmochi
patent: 5740543 (1998-04-01), Maeda
patent: 6100478 (2000-08-01), LaPointe et al.
patent: 1 094 652 (2001-04-01), None

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