Electric Signal Modification (e.g., Scrambling) (380/9) Patents (Class 380/FOR109)

Video (380/10) (Class 380/FOR110)

Variable time delay modulation of baseband video signal (380/11) (Class 380/FOR111)
Carrier phase shift (380/12) (Class 380/FOR112)
Carrier frequency conversion (380/13) (Class 380/FOR113)
Nonstandard scan of video information (380/14) (Class 380/FOR114)
By modifying synchronizing signal (380/15) (Class 380/FOR115)
Record or coin controlled (380/16) (Class 380/FOR116)
Phase inversion of scan line information (380/17) (Class 380/FOR117)
Facsimile (380/18) (Class 380/FOR118)
Encrypting of accompanying audio signal (380/19) (Class 380/FOR119)
Control coding (380/20) (Class 380/FOR120)

Having transmission or distribution of key signal (380/21) (Class 380/FOR121)

Having particular synchronization or initiation (380/48) (Class 380/FOR148)

Having digital signal handling (e.g., digital control, digital computer communication) (380/49) (Class 380/FOR149)

There are no patents to show for this class.