Length measure apparatus and the method for measuring

Optics: measuring and testing – Dimension – Length

Reexamination Certificate

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C451S010000, C033S200000

Reexamination Certificate

active

06873423

ABSTRACT:
A length measure apparatus and the method for measuring transform an image from a lens set into a digital contrast image via a central processing unit. The CPU has multiple standard lines that are previously set therein. Multiple movement controllers control a movement of a selected standard line from the CPU relative to the digital contrast image. A movement value is output when the selected standard line flushes with a profile of the contrast image. The measure value is shown on a monitor when the CPU contrasts the movement of the selected standard line.

REFERENCES:
patent: 4638568 (1987-01-01), Umemura
patent: 5428448 (1995-06-01), Albert-Garcia
patent: 5926247 (1999-07-01), Kimura
patent: 5967879 (1999-10-01), Gottschald
patent: 5973772 (1999-10-01), Fukuma et al.
patent: 6381012 (2002-04-01), Yancy

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