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. 21, 1986
Filed:
Jul. 22, 1982
Applicant:
Inventor:
Norman F Rolfe, Carlisle, MA (US);
Assignee:
Allied Corporation, Morristown, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06G / ;
U.S. Cl.
CPC ...
307491 ; 307492 ; 328145 ;
Abstract
A logarithmic converter circuit comprises a logarithmic transfer function generating device and a transconductance amplifier connected in parallel with that logarithmic transfer function generating device, the transconductance amplifier preferrably having a transconductance in the range of about two micromhos to about twenty millimhos.