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. 11, 1983
Filed:
Mar. 20, 1978
Applicant:
Inventors:
Assignee:
Hitachi Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
3403 / ; 3403 / ;
Abstract
An analog-to-digital converter comprising a capacitive element for storing an analog input signal, a discharge means for discharging the charge stored in said capacitive element, a means for counting the number of clockpulses between the time of discharge starting and the time at which the voltage at the output of said capacitive element reaches a certain detection level, and a bias voltage supply means for supplying a bias voltage in order to bring the voltage at the output terminal of said capacitive element at the discharge starting time above said detection level.