Vive les brevets !!!
Publié : sam. 17 oct. 2009 15:18
BREVETS PC-ENGINE: (OVERALL)
Brevets (US):
http://www.pat2pdf.org
Brevets (UK):
Brevets (JAP):
Brevets (US):
Code : Tout sélectionner
4951038 | VDC | "apparatus for displaying a sprite on a screen"
4924744 | PSG | "apparatus for generating sound through low frequency ..."
4970642 | CPU | "an apparatus for accessing a memory"
5030946 | VDC | "apparatus for the control of an access to a video memory"
5034886 | CPU | "computer system for reducing number of dedicated ..."
5059955 | VCE | "apparatus for producing video signals"
5226140 | CPU | "apparatus for controlling the transfer of data"
5319786 | VDC | "apparatus for controlling a scanning type video ..."
5483659 | CPU | "apparatus for controlling a signal processing system ..."
5566313 | CPU | "apparatus for controlling the transfer of data"
Brevets (UK):
Code : Tout sélectionner
2210238 | VDC | "apparatus for control of access to a video memory"
2210541 | VDC | "apparatus for displaying a sprite on a screen"
2246935 | VDC | "an apparatus for the control of an access to a video memory"
2247814 | VDC | "an apparatus for controlling the access of a video memory"
Code : Tout sélectionner
63-284593 | VDC | "sprite display controller"
63-284594 | VDC | "sprite size controller"
63-287888 | VDC | "raster detection controller"
63-287896 | VDC | "scan type display controller"
63-287895 | VDC | "sprite over detection controller"
63-288340 | VDC | "controller for memory access"
64-056489 | PSG | "sound generator"
64-056490 | PSG | "waveform data writing controller"
64-056491 | PSG | "waveform data memory"
64-056496 | PSG | "frequency modulator for voice generator"
64-057898 | PSG | "sound volume ajusting device"
64-057900 | PSG | "channel sound controller"
64-057290 | VCE | "color image display device"
64-062690 | VCE | "video signal generator"
64-062691 | VCE | "flickering preventor for screen"
64-062692 | VCE | "composite signal generator"
64-062695 | VCE | "dot clock generator"
64-073386 | VCE | "clock signal generator"
64-073865 | VCE | "horizontal synchronizing waveform"
64-073396 | PSG | "musical sound generator"
64-073422 | CPU | "system controller"
64-073430 | CPU | "memory access control device"
64-073445 | CPU | "data transfer controller"
64-073448 | CPU | "system controller"
64-073484 | - | "card type system controller"
64-073884 | VCE | "chrominance subcarrier signal"
64-073886 | VCE | "video signal processor"
64-078319 | VDC | "video memory transfer controller"
64-078338 | CPU | "data transfer controller"
64-078339 | VDC | "address controller"
64-078352 | VDC | "DMA transfer controller"
64-078354 | VDC | "switching device for data bus width"
64-082095 | VDC | "sprite display controller"