Photometric detector assembly with automated calibration...

Details Photometric detector assembly with automated calibration... Photometric detector assembly with automated calibration...

Filed on

2005-12-20

Date issued

2005-12-20

Examiner

Porta, David (Department: 2878)

Patent Class

Radiant energy

SubClass

Photocells; circuits and apparatus

SubSubClass

Optical or pre-photocell system

Other Related Categories

C250S239000, C356S416000

Type

Reexamination Certificate

Status

active

Patent number

06977365

Description

ABSTRACT:
Photometric detector assembly which includes a housing, means for passing an optical beam along a path through the housing to a detector, a NIST traceable calibration filter enclosed within the housing, and a remotely operable actuator for moving the filter into and out of the beam path.

REFERENCES:
patent: 4078896 (1978-03-01), Moen et al.
patent: 4583859 (1986-04-01), Hall, II
patent: 5760911 (1998-06-01), Santschi et al.
patent: 5905271 (1999-05-01), Wynn
patent: 6153873 (2000-11-01), Wolf
patent: 6512223 (2003-01-01), Wynn

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