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:
Jun. 10, 2003
Filed:
Oct. 19, 2001
Kyu-Nam Lim, Suwon, KR;
Samsung Electronics Co., Ltd., Kyoungki-do, KR;
Abstract
In a voltage generator having a voltage level detector, an oscillator, and a voltage pump, the voltage level detector comprises an amplifier, which, in combination with a first and a second linear current source, provides accurate control of an output voltage of the voltage generator. When a sensed voltage deviates around a reference voltage, a differential detection by the amplifier of this deviation causes the oscillator and the voltage pump to provide a corresponding increase or decrease in the magnitude of an output voltage in order to compensate for the deviation. Use of the amplifier and a predetermined reference voltage allows for an accurate threshold detection level for low-voltage, high-speed operation of the voltage generator. The present invention can be used in both positive and negative voltage generators.