Laser-based method for aligning apparatus for superimposing...

Details Laser-based method for aligning apparatus for superimposing... Laser-based method for aligning apparatus for superimposing...

1999-09-30

2001-05-08

Kim, Robert H. (Department: 2882)

X-ray or gamma ray systems or devices

Accessory

Alignment

C378S063000

Reexamination Certificate

active

06227704

ABSTRACT:

BACKGROUND OF THE INVENTION
In addition to X-ray images of an object, it is often useful to have a corresponding video image. If the two could be combined into a composite image, then one could immediately see how the features revealed by the X-ray relate to the surface features displayed in a video image.


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patent: 4139776 (1979-02-01), Hellstrom
patent: 4246486 (1981-01-01), Madsen
patent: 4246607 (1981-01-01), Vijverberg
patent: 5241578 (1993-08-01), MacMahon
patent: 5388143 (1995-02-01), MacMahon
patent: 5590170 (1996-12-01), Zweig
patent: 6154522 (2000-11-01), Cumings

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