3683403

Information

• Patent Grant
• 3683403

• References
• Source

• Patent Number

  3,683,403

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1972
  52 years ago

• CPC

  • G01S7/58 - for providing variable ranges
  • G01S7/533 - Data rate converters
  • G01S7/60 - for providing a permanent recording

• US Classifications

  • 346 - Recorders
  • 367 - Communications, electrical: acoustic wave systems and devices