3778817

Information

• Patent Grant
• 3778817

• References
• Source

• Patent Number

  3,778,817

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1973
  51 years ago

• CPC

  • H01H13/702 - with contacts carried by or formed from layers in a multilayer structure
  • H03K17/98 - having a plurality of control members
  • H01H2209/026 - metallic
  • H01H2239/004 - High frequency adaptation or shielding
  • H01H2239/006 - Containing a capacitive switch or usable as such
  • H01H2239/026 - Internal encoding

• US Classifications

  • 341 - Coded data generation or conversion
  • 178 - Telegraphy
  • 400 - Typewriting machines