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:
Apr. 15, 2003
Filed:
Dec. 08, 2000
Ikuya Arai, Yokohama, JP;
Kouji Kitou, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A display unit having a communication control circuit for communicating with an externally connected computer and which enables bi-directional communication with the display unit and the computer. The communication control circuit includes a comparator for comparing first identification information which is previously stored in said display unit and second identification information which is previously stored in the computer and is sent from the computer. The communication control circuit further includes at least one of a communication prohibitor for prohibiting communication between the computer with respect to display control of the display unit, when the first and second identification information do not match as a result of the comparison by the comparator or communication permitter for enabling communication for display control as a result of a match.