Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Patent
1995-12-27
1998-04-21
Font, Frank G.
Optics: measuring and testing
By dispersed light spectroscopy
Utilizing a spectrometer
250237G, 250239, G01B 902
Patent
active
057423911
ABSTRACT:
An optical type sensor has a light emitting element, a light receiving element, at least one optical element acting on a light beam emitted from the light emitting element, in an optical path till the light beam enters the light receiving element, and a spacer member disposed to define a spacing between the light emitting element and/or the light receiving element and the at least one optical element, the spacer member having a structure for being mounted to other member.
REFERENCES:
patent: 4766310 (1988-08-01), Michel
patent: 4965445 (1990-10-01), Ikeuchi et al.
patent: 5026164 (1991-06-01), Ichikawa
patent: 5067816 (1991-11-01), Ichikawa
patent: 5283434 (1994-02-01), Ishizuka et al.
patent: 5424833 (1995-06-01), Huber et al.
Hisamoto Kenji
Ishizuka Kou
Kaneda Yasushi
Canon Kabushiki Kaisha
Font Frank G.
Kim Robert
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