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:
Feb. 17, 2009
Filed:
Sep. 29, 2005
Kei Nagatomo, Yokohama, JP;
Keigo Shingu, Tokyo, JP;
Hisato Takeuchi, Yokohama, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An oscillator starting control circuit capable of shortening a starting time and stably controlling the starting time, and furthermore, stabilizing an oscillating frequency after starting an oscillating circuit. An oscillating circuit () is a crystal oscillating circuit in which an input and an output of an inverter () are connected to both ends of a crystal oscillator () and both ends of a resistor (), the input is connected to a drain of an MOS variable capacity (), the output is connected to a drain of an MOS variable capacity (), a source of the MOS variable capacity () is connected to a fixed capacity (), a source of the MOS variable capacity () is connected to a fixed capacity (), and the other ends of the fixed capacities () are connected to a GND.