04939514 is referenced by 67 patents and cites 3 patents.

A foldable data collecting device includes a first case and a second case mutually connected in a foldable manner, and a plate hinged between the first case and the second case by an opening/closing support. A sheet-like keyboard is disposed on the surfaces of the plate and one face of each of the first case and the second case. In case a key on the plate is to be depressed, the plate is folded down toward either the first case or the second case so that the side having the key to be depressed is directed upwardly.

Title
Foldable data collecting and processing device
Application Number
7/286128
Publication Number
4939514
Application Date
December 19, 1988
Publication Date
July 3, 1990
Inventor
Shinichi Miyazaki
Tokyo
JP
Agent
Spensley Horn Jubas & Lubitz
Assignee
Seiko Instruments
JP
IPC
G06F 1/00
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