Portable telephone, diffuser and lighting device provided...

Details Portable telephone, diffuser and lighting device provided... Portable telephone, diffuser and lighting device provided...

2005-08-09

2005-08-09

Chin, Vivian (Department: 2682)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S090300, C362S024000, C362S088000, C345S170000, C200S310000, C200S314000

Reexamination Certificate

active

06928297

ABSTRACT:
In a portable telephone including a plurality of input buttons1for inputting various indications, light emitting elements7which emit a light, when any one of the input buttons1is pushed on, diffusers8which are located under a plurality of input buttons1and which diffuse the light emitted from the light emitting element7, the diffuser8has an incidence portion5which has a receiving plane positioned near the light emitting elements7and receiving the light emitted from the light emitting elements7, and a projecting portion6which has a reflecting plane for reflecting the light received by the incidence portion5to an upper side of a plurality of input buttons1.

REFERENCES:
patent: 4349705 (1982-09-01), Kuhfus
patent: 5128842 (1992-07-01), Kenmochi
patent: 5408060 (1995-04-01), Muurinen
patent: 5512718 (1996-04-01), Larose
patent: 5746493 (1998-05-01), Jonsson et al.
patent: 5867772 (1999-02-01), Jonsson et al.
patent: 5975711 (1999-11-01), Parker et al.
patent: 6278887 (2001-08-01), Son et al.
patent: 6550927 (2003-04-01), Messel
patent: 1217120 (1999-05-01), None
patent: 84 36 320.7 (1986-05-01), None
*Equivalent to WO 97/33417.

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