Portable information terminal

Details Portable information terminal Portable information terminal

2005-07-26

2005-07-26

Luu, Matthew (Department: 2676)

Computer graphics processing and selective visual display system

Display driving control circuitry

Physically integral with display elements

C345S205000, C379S429000

Reexamination Certificate

active

06922190

ABSTRACT:
A portable information terminal according to the present invention uses a main board and a memory sheet. The main board has a complicated configuration. The memory sheet has silicon chips for memory. The memory sheet comprises a film-shaped circuit board and the silicon chips mounted on the film-shaped circuit board. A contact for the memory sheet is connected to a connecting terminal of the main board. This configuration allows the mounting of a large capacity of memory while keeping the thickness of the portable information terminal in a thin state. As a result, a portability-improved portable information terminal can be obtained in which a large capacity of memory was contained and miniaturization, thickness reduction and weight reduction were achieved.

REFERENCES:
patent: 5740349 (1998-04-01), Hasbun et al.
patent: 6049975 (2000-04-01), Clayton
patent: 6724618 (2004-04-01), Jenkins et al.
patent: 2003/0005214 (2003-01-01), Chan
patent: 1253439 (2000-05-01), None
patent: H09-093319 (1997-04-01), None
patent: H11-097814 (1999-04-01), None
patent: 2001-189973 (2001-07-01), None

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