Touch pad with tactile feature

Details Touch pad with tactile feature Touch pad with tactile feature

1997-10-01

1999-06-29

Chiang, Jack

Telephonic communications

Terminal

Housing or housing component

379428, 379368, H04M 100

Patent

active

059179066

ABSTRACT:
A touch pad assembly for portable communication devices has a dual entry user interface surface and is configured to overlay a touch pad surface. The touch-pad assembly can operate in both a key entry and graphical (written) input mode via the same input surface. In the key entry mode, the touch-pad assembly provides tactile feedback to the user affirming the selected key input.

REFERENCES:
patent: 4916275 (1990-04-01), Almond
patent: 5337346 (1994-08-01), Uchikura
patent: 5357065 (1994-10-01), Mitamura et al.
patent: 5371790 (1994-12-01), Nevo
patent: 5584054 (1996-12-01), Tyneski et al.

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