Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Copy protection for video signal added pulses

Copy protection for video signal added pulses

US Patent 7620178 · Granted Nov 17, 2009

Estimated economic value: $26,423,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for evaluating electrostatic or nonlinear devices2025
Wildlife detection and deterrent system and method for environmental instrumenta2025
Method and apparatus to evaluate audio equipment for dynamic distortions and or 2024
Method and apparatus to evaluate audio equipment for dynamic distortions and or 2024
Method and apparatus to evaluate audio equipment for dynamic distortions and or 2022
Biasing circuits for voltage controlled or output circuits2022
Method and apparatus to evaluate audio equipment for dynamic distortions and or 2022
Method and apparatus for evaluating electrostatic or nonlinear devices2021
Field effect transistor circuits2021
Low voltage tube circuits2021
Method and apparatus to evaluate audio equipment for dynamic distortions and or 2021
Method and apparatus to evaluate audio equipment for dynamic distortions and or 2021