3492512

Information

• Patent Grant
• 3492512

• References
• Source

• Patent Number

  3,492,512

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1970
  54 years ago

• CPC

  • H03K3/351 - the devices being unijunction transistors
  • B23K11/245 - using a stepping counter in synchronism with the welding pulses
  • B23K11/252 - using digital means
  • G05F1/455 - with phase control
  • H03K3/64 - Generators producing trains of pulses

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 219 - Electric heating