The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 24, 1998
Filed:
Nov. 13, 1991
Nobumasa Nishiyama, Hachioji, JP;
Hiroaki Koyanagi, Hiratsuka, JP;
Kouichi Hoashi, Hadano, JP;
Sayaka Shinomoto, Kyoto, JP;
Ryuichiroh Tamochi, Ibaraki-ken, JP;
Kouji Takai, Odawara, JP;
Hitachi Maxell, Ltd., Ibaraki, JP;
Hitachi, Ltd., Tokyo, JP;
Hitachi Computer Peripherals Co., Ltd., Ibaraki, JP;
Hitachi Instrument Engineering Co., Ltd., Katsuta, JP;
Abstract
A personal information display system is provided with a portable information display device for reading information to be used from a storage medium, a communication network for transmission of information, input/output apparatus for input/output of information, an input/output control apparatus connected between the communication network and the input/output apparatus, an information control apparatus having a hierarchical memory connected to the communication network, and an information output apparatus connected to the information control apparatus to transfer information to the storage medium of the portable information display device.