Double sided keyboard for a telephone

Details Double sided keyboard for a telephone Double sided keyboard for a telephone

1997-11-20

2000-03-14

Chiang, Jack

Telephonic communications

Terminal

Housing or housing component

H04M 100

Patent

active

060383135

ABSTRACT:
A portable telephone has a hinged flap with a keyboard on each side of the flap, allowing a user to dial or punch a telephone number when the flap is in the open position or when the flap is in the closed position.

REFERENCES:
patent: 5189632 (1993-02-01), Ab
patent: 5564078 (1996-10-01), Nagai
patent: 5584054 (1996-12-01), Tyneski et al.
patent: 5652421 (1997-07-01), Veeneman et al.
patent: 5764489 (1998-06-01), Leigh et al.
patent: 5822405 (1998-10-01), Astarabadi

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