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:
Jul. 30, 1985
Filed:
Dec. 30, 1981
Applicant:
Inventors:
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
3403 / ; 332 / ; 375 28 ; 3403 / ;
Abstract
A delta value generating circuit in an adaptive delta codec, comprising a delta value register, a control terminal for indicating increase or decrease of the delta value and adder/subtractor for increasing or decreasing the delta value in the register in accordance with a level at the control terminal. The adder/subtractor has first input terminals connected to the output terminals of the register and second input terminals connected to a predetermined number of upper bits of the output terminals of the register and the control terminal in accordance with a level at the control terminal.