Microscopic photometry apparatus

Details Microscopic photometry apparatus Microscopic photometry apparatus

1996-03-11

1997-10-28

Nelms, David C.

Optics: measuring and testing

For light transmission or absorption

Of photographic film

359368, G01N 2184, G02B 2100

Patent

active

056822456

ABSTRACT:
In a microscopic photometry apparatus having an optical system for photometry and an optical system for observation, there are provided a mirror having a slit for photometry, a photodetector for receiving light from the slit for photometry, a TV camera for observing an image of a sample reflected by the mirror, an image translating mechanism for translating the image of the sample, and an image rotating mechanism for rotating the image of the sample. Photometry is performed for an arbitrary position within the image of the sample by translating and rotating the image while simultaneously observing the slit for photometry and the image of the sample. Therefore, it is possible to easily and accurately perform observation and/or measurement for a microscopic object or a microscopic part of a macroscopic object, including photometry for arbitrary two points.

REFERENCES:
patent: 3614310 (1971-10-01), Korpel
patent: 4014612 (1977-03-01), Atwood et al.
patent: 4054387 (1977-10-01), Whittome
patent: 4303340 (1981-12-01), Hoffman
patent: 4657356 (1987-04-01), Matsumura
patent: 4702570 (1987-10-01), Yoshino et al.
patent: 4705403 (1987-11-01), Eguchi et al.
patent: 4790663 (1988-12-01), Faltermeier et al.
patent: 4796999 (1989-01-01), Schuster et al.
Nature, vol. 346, No. 6285, pp. 677-680, 16 Aug. 1990.

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