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:
Dec. 29, 1987
Filed:
Mar. 12, 1986
Applicant:
Inventor:
Hideharu Koike, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
307520 ; 307265 ; 307234 ; 328111 ;
Abstract
A low pass filter which has a plurality of NAND gates connected in series. Input signals are input directly to one input terminal of each of the respective NAND gates, respectively. Input signals are input through a plurality of inverters to the NAND gate of the initial stage. The NAND gate of the final stage is connected through even number of inverters to a circuit output node N2. An odd number of inverters are provided between the preceding and following NAND gates.