3725898

Information

• Patent Grant
• 3725898

• References
• Source

• Patent Number

  3,725,898

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  52 years ago

• CPC

  • G05D23/2034 - the sensing element being a semiconductor

• US Classifications

  • 347 - Incremental printing of symbolic information
  • 178 - Telegraphy
  • 345 - Computer graphics processing and selective visual display systems