3692397

Information

• Patent Grant
• 3692397

• References
• Source

• Patent Number

  3,692,397

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • G02F1/29 - for the control of the position or the direction of light beams
  • B41J2/4655 - using character templates

• US Classifications

  • 353 - Optics: image projectors
  • 359 - Optical: systems and elements