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. 01, 2005
Filed:
Jan. 23, 2002
Cyrille Dray, Grenoble, FR;
Cyrille Dray, Grenoble, FR;
STMicroelectronics S.A., Montrouge, FR;
Abstract
Control device for a generation circuit (REF) for reference voltages (VPOL, VPOL), includes a first P type MOS transistor (M), connected between a node (N) to which a high voltage signal (EHV) is applied and a first intermediate node (A), a second P type MOS transistor (M) connected between the first intermediate node (A) and a second intermediate node (B), and a third P type MOS transistor (M) connected between the second node and the ground and with its grid connected to its drain, to supply a reference voltage (VPOL, VPOL) on one of the first and second intermediate nodes (A, B). The control device includes a controlling mechanism for controlling the reference transistors, either in a first or second operating mode.