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:
Mar. 17, 1998
Filed:
Jan. 29, 1997
Hideo Fujiwara, Ikeda, JP;
Seiji Yamanaka, Ikeda, JP;
Toshihisa Nagata, Takarazuka, JP;
Hiizu Okubo, Nishinomiya, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A state control portion causes a sense amplifier portion to be at an active state and for causing the sense amplifier to be at an inactive state. A feedback portion causes the control device to causing the sense amplifier portion to be in the inactive state when a path is formed between a power source and a ground in the sense amplifier. A latch portion holds an output of the sense amplifier output when the path is formed. The state control portion comprises a first transistor acting as a switching device. The feedback portion produces a control signal using an output of the sense amplifier portion and a clock signal obtained from a detection circuit, and supplies the control signal to the first transistor. A second transistor for precharging is connected between the first transistor and the power source.