System and method for measuring run-out and other characteristic

Details System and method for measuring run-out and other characteristic System and method for measuring run-out and other characteristic

1995-10-09

1997-07-29

Frahm, Eric

Facsimile and static presentation processing

Facsimile

Recording apparatus

B41C 102

Patent

active

056526598

ABSTRACT:
A method and apparatus for automatically measuring a cylinder characteristic, such as a cylinder diameter or a cylinder run-out and then automatically adjusting the engraver in response to the measurement and subsequently engraving the cylinder to account for such characteristic. The engraver includes a run-out detector for detecting a cylinder characteristic of the cylinder on the engraver, and the run-out detector includes an LVDT sensor and a run-out circuit for generating a signal generally corresponding to a shape of the cylinder surface. The run-out circuit is capable of generating a measured run-out using the signal generated by the LVDT sensor. The invention also provides a method and apparatus for automatically adjusting for the cylinder characteristic using manual, mechanical and/or electronic features of the invention.

REFERENCES:
patent: 3843875 (1974-10-01), Goodstal et al.
patent: 4450486 (1984-05-01), Buechler
patent: 4678976 (1987-07-01), Inoue
patent: 5329215 (1994-07-01), Fraser et al.
patent: 5424845 (1995-06-01), Holowko et al.
patent: 5424846 (1995-06-01), Bornhorst, Jr. et al.
patent: 5438422 (1995-08-01), Holowko et al.
patent: 5454306 (1995-10-01), Fraser et al.
Brochure entitled, "Systems for Data Acquisition & Control," by Daytronic Corporation, 5 pp., 1989.

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