3302519

Information

• Patent Grant
• 3302519

• References
• Source

• Patent Number

  3,302,519

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1967
  57 years ago

• CPC

  • G03B27/542 - for copying cameras, reflex exposure lighting
  • G03B15/02 - Illuminating scene
  • G03B21/20 - Lamp houses
  • H04N1/0285 - in combination with at least one reflector which is in fixed relation to the light source
  • H04N1/0286 - in combination with a light integrating, concentrating or defusing cavity
  • H04N1/0287 - using a tubular lamp or a combination of such lamps
  • G03B21/06 - affording only episcopic projection
  • G03B21/16 - Cooling Preventing overheating
  • G03B27/26 - Cooling

• US Classifications

  • 355 - Photocopying
  • 352 - Optics: motion pictures
  • 362 - Illumination