Inventor

RYAN JOHN O

US77 patents

⚠️ This page may combine multiple inventors who share the name “RYAN JOHN O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RYAN JOHN O

MACROVISION CORP

Method and apparatus for copy protection for various recording media using a video finger print

Method and apparatus for copy protection for various recording media

Radio receiver for information dissemenation using subcarrier

Copy protection for hybrid digital video tape recording and unprotected source material

Video media security and tracking system

Video media security and tracking system

Method and apparatus for compression compatible video scrambling

Method and apparatus for compression compatible video fingerprinting

Method and apparatus for modifying the effects of color burst modifications to a video signal

Method and apparatus for scrambling and descrambling of video signal with edge fill

Method and apparatus for defeating effects of color burst modifications to a video signal

Video copy protection process enhancement to introduce horizontal and vertical picture distortions

Method and apparatus for scrambling and descrambling

Method and apparatus for preventing the copying of a video program

Method and apparatus for clustering modifications made to a video signal to inhibit the making of acceptable videotape recordings

Method and apparatus for reducing and restoring the effectiveness of a commercial skip system

Video copy protection process enhancement to introduce horizontal and vertical picture distortions

Generational copy control of a video signal

Method and apparatus for modifications made to a video signal to inhibit the making of acceptable videotape recordings

Method and apparatus for recording scrambled video audio signals and playing back said video signal, descrambled, within a secure environment

Method of and apparatus for scrambling a video signal with full network transmission and recording capability

Method and apparatus for processing a video signal so as to prohibit the making of acceptable videotape recordings

Method and apparatus for carrying data in a video signal so that the data is not recorded

Method and apparatus for scrambling a high definition television signal

Method and apparatus for scrambling and descrambling of video signals with edge fill

Method and apparatus for scrambling and descrambling of video signal with edge fill

Method and apparatus for scrambling and descrambling of video signal with edge fill

Method and apparatus for detecting modified color burst signals to prevent the copying of a video program

Protection of a component video signal

Method and apparatus to defeat composite video signal protection

Copy protection for video signal added pulses

Method and apparatus for vertically scrambling and descrambling of video signals

Method and apparatus for encrypting and decrypting time domain signals

Method and apparatus for scrambling and descrambling of video signals with edge fill

Method and apparatus for encrypting and decrypting time domain signals

MACROVISION

Method and apparatus for processing a video signal so as to prohibit the making of acceptable video tape recordings thereof

Dual deck video recording apparatus having enhanced copy protection and method for providing enhanced copy protection to such a recording apparatus

Method and apparatus for removing pseudo-sync and/or agc pulses from a video signal

Method and apparatus for modifying the color burst to prohibit videotape recording

Method and apparatus for removing phase modulation from the color burst

COMMAND AUDIO CORP

Audio information dissemination using various transmission modes

Information dissemination using various transmission modes

Method and system for audio information dissemination using various modes of transmission

Method and system for information dissemination using television signals

ROVI SOLUTIONS CORP

Method and apparatus for reducing and restoring the effectiveness of a commercial skip system

Method and apparatus for reducing and restoring the effectiveness of a commercial skip system

Scaling independent technique for watermarking images

(unassigned)

Apparatus and method for comprehensive copy protection for video platforms and unprotected source material

MACROVSION CORP

Method and apparatus for copy-once watermark for video recording

AMPEX

Two dimensional interpolation circuit for spatial and shading error corrector systems