3657478

Information

• Patent Grant
• 3657478

• References
• Source

• Patent Number

  3,657,478

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • H04L5/1407 - Artificial lines or their setting
  • H03K19/017545 - Coupling arrangements; Impedance matching circuits
  • Y10T307/344 - Substitute or alternate source

• US Classifications

  • 178 - Telegraphy
  • 307 - Electrical transmission or interconnection systems
  • 333 - Wave transmission lines and networks
  • 375 - Pulse or digital communications