Inventor · Vaughan, ON, CA

David Glen

20Patents
13h-index
18Co-inventors
74Inventor score

Filing activity: Apr 18, 1996 → Oct 5, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6157415A Method and apparatus for dynamically blending image input layers Electricity 94 Expired
US5815042A Duty cycled control implemented within a frequency synthesizer Electricity 50 Expired
US6462786B1 Method and apparatus for blending image input layers Physics 43 Expired
US6619759B2 Brake controller Performing Operations; Transporting 42 Expired
US6678006B1 Method and apparatus for video processing that includes sub-picture scaling Electricity 31 Expired
US6310659A Graphics processing device and method with graphics versus video color space conversion discrimination Electricity 23 Expired
US6518970B1 Graphics processing device with integrated programmable synchronization signal generation Electricity 18 Expired
US5977836A Method and apparatus for controlling an output frequency of a phase locked loop Physics 18 Expired
US6028586A Method and apparatus for detecting image update rate differences Physics 18 Expired
US6335761B1 Method and apparatus for converting color base of an image layer Electricity 15 Expired
US6194971A Method and apparatus for phase shifting a controlled oscillator and applications thereof Electricity 14 Expired
US6268847A Method and apparatus for more accurate color base conversion of YUV video data Physics 13 Expired
US7053863B2 Wireless device method and apparatus with drawing command throttling control Electricity 13 Expired
US7061504B1 Method and apparatus for configurable gamma correction in a video graphics circuit Physics 10 Expired
US7199837B2 System for improved ratiometric expansion and method thereof Physics 8 Expired
US7307644B2 Method and system for efficient interfacing to frame sequential display devices Physics 4 Expired
US7522125B2 Wireless device method and apparatus with drawing command throttling control Electricity 4 Active
US6570577B1 System for nonlinear correction of video signals and method thereof Physics 3 Expired
US6774903B1 Palette anti-sparkle enhancement Physics 3 Expired
US6678780B1 Method and apparatus for supporting multiple bus masters with the accelerated graphics protocol (AGP) bus Physics 3 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.