3620144

Information

• Patent Grant
• 3620144

• References
• Source

• Patent Number

  3,620,144

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • G03B7/16 - in accordance with both the intensity of the flash source and the distance of the flash source from the object
  • G03B7/006 - setting of both diaphragm and distance

• US Classifications

  • 396 - Photography