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:
Jan. 07, 1997
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Soshiro Kuzunuki, Katsuta, JP;
Yasuro Hori, Katsuta, JP;
Shuichi Okabe, Yokohama, JP;
Fumitaka Ito, Chiba-ken, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345 87 ; 345117 ;
Abstract
An apparatus for use in offices includes a planar liquid crystal shutter disposed at least a portion of a surface of a housing of the apparatus, the shutter being set to a transparent state or a non-transparent state depending on an input signal supplied thereto, and a controller for applying to the shutter a control signal to control the transparent or non-transparent state thereof.