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. 30, 1997
Filed:
Jun. 08, 1995
Lois D Mermelstein, Austin, TX (US);
Kendall C Witte, Austin, TX (US);
Dell USA, L.P., Round Rock, TX (US);
Abstract
A computer system is provided which assures that display control signals provided to a display are properly sequenced despite the presence of ill-behaved application software. The risk of damage to displays which require control signals to be in a predetermined sequence is thus significantly reduced. An enable signal from the system's graphics controller is intercepted by a microcontroller. The microcontroller generate its own properly sequenced and timed display control signals in response to the enable signal from the graphics controller. The microcontroller controls a switching apparatus which couples clock and data signals from the graphics controller to the display at an appropriate time in the control signal sequence.