Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for the transmission of an audiofrequency analog signal during line-frame synchronization intervals of a television signal and apparatus for performing this process

Process for the transmission of an audiofrequency analog signal during line-frame synchronization intervals of a television signal and apparatus for performing this process

US Patent 4253115 · Granted Feb 24, 1981

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Copy-protected optical disk and protection process for such disk2004
Antihacking optical recording disc and method for reading same2002
Optical recording medium having a plurality of recording layers2000
Optical focussing adjustment device1999
Optical method and system for writing/reading information on a recording medium1997
Variable-length information recording with reference marks for time reference du1995
Optical memory system which uses a different illumination mode when scanning res1989
Protected optical disc comprising a flexible closure element1985
Optical device for the recording and reading of data media and optical memory sy1983