3747322

Information

• Patent Grant
• 3747322

• References
• Source

• Patent Number

  3,747,322

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1973
  51 years ago

• CPC

  • G04G9/0017 - in which the light emitting display elements may be activated at will or are controlled in accordance with the ambient light
  • G04G9/0052 - using means to adjust the display in accordance with the ambient light

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 250 - Radiant energy
  • 968 - Horology