Patent · US Expired

Scramble apparatus and descramble apparatus

US5377266A · kind A · utility

55Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 21, 1993
Grant dateDec 27, 1994
Priority date
Expiry dateJul 21, 2013

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N19/91
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A scramble apparatus is for scrambling data including a variable length code and a descramble apparatus for descrambling a scrambled signal, and a scramble transmission apparatus comprising the scramble apparatus and the descramble apparatus. A specific code of data is converted into a readable code having a length equal to that of an original code.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.