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US 6,604,974 B2Granted
Method and apparatus for applying crosswires to a tension focus mask
AssigneeThomson Licensing
InventorsJames Edward Doty, Edward Richard Garrity, Jr., Mark Allen Thomson, Leonard Pratt Wilbur, Jr.
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Abstract
A method and apparatus for applying crosswires to a tension mask. The method includes winding crosswires around various drum assemblies and then using transfer devices to remove sections of crosswires and transfer them to tension mask frame assemblies.
Claims12
An apparatus for applying crosswires to a tension mask frame assembly comprising:
- (a) a drum assembly having one or more crosswires wrapped about a drum;
- and
- (b) a crosswire transfer device for simultaneously removing a plurality of crosswire segments from the drum and positioning the crosswire segments onto a mask frame assembly.
A method of applying crosswires to a tensioned mask comprising:
- (a) winding at least one crosswire around a cylindrical drum;
- (b) cutting at least one crosswire to form crosswire segments having specified length;
- (c) transferring the crosswire segments to a mask frame assembly;
- and
- (d) affixing the crosswire segments to a mask frame assembly.
2 more elements
Dependencies are inferred from the claim text.