3630619

Information

• Patent Grant
• 3630619

• References
• Source

• Patent Number

  3,630,619

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1971
  53 years ago

• CPC

  • G01J3/32 - Investigating bands of a spectrum in sequence by a single detector
  • G01J3/0213 - using attenuators
  • G01J2003/062 - motor-driven

• US Classifications

  • 356 - Optics: measuring and testing
  • 250 - Radiant energy