3798548

Information

• Patent Grant
• 3798548

• References
• Source

• Patent Number

  3,798,548

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  51 years ago

• CPC

  • H04N7/16 - Analogue secrecy systems Analogue subscription systems
  • H03J5/10 - Settings determined by a number of positioning means mounted on a common support
  • H04N7/17354 - in an intermediate station common to a plurality of user terminals

• US Classifications

  • 725 - Interactive video distribution systems
  • 334 - Tuners
  • 348 - Television
  • 455 - Telecommunications