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Lithographic apparatus and device manufacturing method

  • US 20040148843A1
  • Filed: 01/06/2004
  • Published: 08/05/2004
  • Est. Priority Date: 01/06/2003
  • Status: Active Grant
First Claim
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1. A spool braking device for a dual bearing reel that brakes a spool that is rotatively mounted on a reel unit, comprising:

  • an electrically controllable spool braking unit being arranged between the spool and the reel unit, said electrically controllable spool braking unit being configured to brake the spool;

    a tension detection unit being configured to detect tension applied to fishing line released from the spool during casting; and

    a spool control unit being configured to control electrically said spool braking unit such that when the tension detected by said tension detection unit falls below a first predetermined value, the spool is braked with a first constant braking force for a first predetermined time period.

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