3518664

Information

• Patent Grant
• 3518664

• References
• Source

• Patent Number

  3,518,664

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1970
  54 years ago

• CPC

  • G08B5/30 - with rotating or oscillating members
  • G08B5/24 - with indicator element moving about a pivot
  • G09F9/375 - the position of the elements being controlled by the application of a magnetic field

• US Classifications

  • 340 - Communications: electrical
  • 345 - Computer graphics processing and selective visual display systems