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. 01, 1984
Filed:
Oct. 26, 1981
Applicant:
Inventors:
Chieh Chang, Belmont, CA (US);
Man S Lee, San Mateo, CA (US);
Assignee:
GTE Automatic Electric Incorporated, Northlake, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06G / ; H03K / ; H03B / ;
U.S. Cl.
CPC ...
328127 ; 307491 ; 307494 ; 328167 ; 328147 ; 333173 ; 330-9 ;
Abstract
A switched capacitor N-path filter in which all capacitors that introduce delay in the paths, in that they have memory and are characterized such that the new charge flow into each such capacitor during each commutation cycle depends on the old charge on it from the previous commutation cycle, are replaced with an associated plurality of N-commutating capacitors.