Operation panel of portable telephone

Details Operation panel of portable telephone Operation panel of portable telephone

2005-06-07

2005-06-07

Chiang, Jack (Department: 2642)

Telephonic communications

Terminal

Housing or housing component

C379S368000

Reexamination Certificate

active

06904148

ABSTRACT:
Three independent dialing buttons (10, 20and30) have rhombic shapes. Independent switching elements (S1)-(S4) are provided on four corners of the rear surface of each dialing button. Dial numbers (1-9 and 0) and symbols (# and *), grouped four each as (1, 2, 3 and 4), (5, 6, 7 and 8) and (9, 0, # and *), are marked on the respective four corners of the front surfaces of the three dialing buttons which are arranged longitudinally on an operation surface (50). By this construction, the visibility and recognizability of numbers, etc. can be improved and, further, dialing of numbers can be accurately made.

REFERENCES:
patent: 5703932 (1997-12-01), Oda
patent: 5861823 (1999-01-01), Strauch et al.
patent: 63-250031 (1988-10-01), None
patent: 1-236054 (1989-09-01), None
patent: 4-103755 (1992-09-01), None
patent: 8-7703 (1996-01-01), None
patent: 9-83402 (1997-03-01), None
patent: 9-116605 (1997-05-01), None
patent: 9-161618 (1997-06-01), None

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