3643098

Information

• Patent Grant
• 3643098

• References
• Source

• Patent Number

  3,643,098

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  53 years ago

• CPC

  • B65H23/046 - Sensing longitudinal register of web
  • B26D5/34 - scanning being effected by a photo-sensitive device
  • G06K11/04 - using an auxiliary scanning pattern

• US Classifications

  • 250 - Radiant energy