Input system for use in a portable type data processing device

Details Input system for use in a portable type data processing device Input system for use in a portable type data processing device

1990-01-29

1992-01-28

Harkcom, Gary V.

Boots, shoes, and leggings

G06F 1530

Patent

active

050848330

ABSTRACT:
In a data processing device of the handy type having a central processing unit (CPU) arranged to include a calculating mode for performing calculation and a memorandum pad mode for storing data and for reading the stored data in response to the operation of a reading key, the CPU can be changed to the memorandum pad mode by a operation of a reading key so that reading of the data of the memorandum is started with easy operation.

REFERENCES:
patent: 4117542 (1978-09-01), Klausner et al.
patent: 4279022 (1981-07-01), Abe
patent: 4402056 (1983-08-01), Sado et al.
patent: 4580235 (1986-04-01), Yanagawa
Patent Abstracts of Japan, vol. 5, No. 201 (P-94) [873], 19th Dec. 1981; & JP-A-56 123 049 (Shigeaki Mitsukake) 26-09-1981.
Patent Abstracts of Japan, vol. 5, No. 154 (P-82) [826], 29th Dec. 1981; & JP-A-56 87 133 (Canon K. K.) 15-07-1981.
Computer Design, vol. 13, No. 7, Jul. 1974, p. 22; "Hand-Held Terminal has Full ASCII Keyboard, 1000-Char Memory".
Computer, vol. 7, No. 7, Jul. 1974, p. 55; "Termiflex Introduces Hand-Held Interactive Terminal with Full ASCII Keyboard and 1,000 Character Scrolling Memory".

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