×

Dry film curing machine with ultraviolet lamp controls

  • US 4,665,627 A
  • Filed: 11/01/1985
  • Issued: 05/19/1987
  • Est. Priority Date: 11/01/1985
  • Status: Expired due to Fees
First Claim
Patent Images

1. For use in an ultraviolet light system having an ultraviolet lamp providing ultraviolet radiation from an elongated arc between ends, and having an adjustable voltage power supply, an improved closed loop control sensor comprising:

  • a light intensity sensor providing an output signal proportional to light intensity;

    a housing for said sensor mounting said sensor adjacent said lamp and having means for providing radiation of a substantially constant length of the arc from the lamp onto the sensor across a desired range of lateral movement of the arc of the lamp transverse to the arc length.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×