3829867

Information

• Patent Grant
• 3829867

• References
• Source

• Patent Number

  3,829,867

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1974
  50 years ago

• CPC

  • G03B7/083 - for control of exposure time
  • G03B7/087 - for control of both exposure time and aperture
  • G03B7/089 - for storage of exposure value in mirror reflex cameras

• US Classifications

  • 396 - Photography