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:
May. 07, 1996
Filed:
Sep. 02, 1994
Applicant:
Inventors:
Akira Uragami, Takasaki, JP;
Shinichi Kojima, Takasaki, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G / ;
U.S. Cl.
CPC ...
345-3 ; 345150 ;
Abstract
A semiconductor device (CPLT) of the invention comprises a first terminal (R) to which analog data is to be supplied, a digital/analog converter (DAC1) with its output coupled to the first terminal, a second terminal (R'0) to which digital data is to be supplied, a digital output circuit (DOB) with its output coupled to the second terminal, and a preparation means (PLM, SEL) which is coupled to respective inputs of the digital/analog converter and the digital output circuit, and prepares digital data to be processed (RR) for any one of input of the digital/analog converter and input of the digital output circuit.