3789272

Information

• Patent Grant
• 3789272

• References
• Source

• Patent Number

  3,789,272

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1974
  50 years ago

• CPC

  • H04L13/182 - Printing mechanisms
  • B41J9/50 - for compensating for the variations of printer drive conditions
  • H03K17/64 - having inductive loads
  • H03K17/72 - having more than two PN junctions having more than three electrodes having more than one electrode connected to the same conductivity region
  • H03K17/73 - for dc voltages or currents
  • H03K17/735 - Switching arrangements with several input- or output-terminals

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 101 - Printing
  • 400 - Typewriting machines