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Class Information
Number: 250/239
Name: Radiant energy > Photocells; circuits and apparatus > Housings (in addition to cell casing)
Description: Subject matter having a housing for the photocell apparatus.










Patents under this class:
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Patent Number Title Of Patent Date Issued
5883386 Light-receiving apparatus having a position detectable portion on a sealing frame and its manufacturing method Mar. 16, 1999
5861622 Handy scanner having scanning path straightness-maintaining mechanism Jan. 19, 1999
5859423 Plurality of photodetectors, each having individually selected light-transmitting member on front face to provide uniform output characteristic Jan. 12, 1999
5859425 Encoder having first and second housing portions and guide means Jan. 12, 1999
5828074 Optoisolator comprising walls having photosensitive inner surfaces Oct. 27, 1998
5823660 Automatic lighting control device for a decorative light string Oct. 20, 1998
5821532 Imager package substrate Oct. 13, 1998
5811797 Photoreflective detector including a light emitting element and a light recieving element located at different distances from an object reflecting light from the emitting element Sep. 22, 1998
5811798 Sealed photoelectric detector Sep. 22, 1998
5811799 Image sensor package having a wall with a sealed cover Sep. 22, 1998
5804831 Liquid level sensor for use in a hot, pressurized liquid Sep. 8, 1998
5801384 Infrared gas spectrometer having sealed sections for improved safety Sep. 1, 1998
5798879 Stress-free, adjustable optical support Aug. 25, 1998
5793037 Photoelectric detector with beam reflection Aug. 11, 1998
5786586 Hand-held optical reader having a detachable lens-guide assembly Jul. 28, 1998
5783815 Light receiving device having lens fitting element Jul. 21, 1998
5783818 Integrated type optical pickup having packaging with gas-tight seal Jul. 21, 1998
5783819 Solar radiation sensor for an air-conditioning system of an automotive vehicle Jul. 21, 1998
5783820 Image reading apparatus having optical reinforcing member for lens holder Jul. 21, 1998
5777321 Scanning device with non-contact optical components Jul. 7, 1998
5760390 Electro-optical device for detecting the presence of a body at an adjustable distance, with background suppression Jun. 2, 1998
5753908 Photoelectric imaging device photosensor array alignment apparatus and method May. 19, 1998
5751009 Optical isolator having leadframe with non-planar mounting portions May. 12, 1998
5747798 Photocell checker May. 5, 1998
5742391 Optical type sensor for use as an optical measuring head or optical pickup Apr. 21, 1998
5742407 Arrangement for supporting a drawer in a drawer feed scanner Apr. 21, 1998
5739525 Device for detecting an electronic component, and component-mounting machine provided with such a detection device Apr. 14, 1998
5736732 Induced charge prevention in semiconductor imaging devices Apr. 7, 1998
5736738 Apparatus for securing CCD board at a fixed position within a range of motion Apr. 7, 1998
5734156 Optical device assembly and its preparation using metallic bump bonding and a stand-off for bonding together two planar optical components Mar. 31, 1998
5723860 Frame-supported pellicle for photomask protection Mar. 3, 1998
5712489 Web flutter detection Jan. 27, 1998
5708496 Modular optical shaft encoder having a slide gap centering mechanism and method of use Jan. 13, 1998
5703352 Imaging device with anti-condensation provision Dec. 30, 1997
5693929 Scanning module with spring made resistant to overflexing Dec. 2, 1997
5689108 Integrated optical pick-up Nov. 18, 1997
5677529 Passive infrared sensor using a pair of sensors and reflectors for a 270 degree field of view Oct. 14, 1997
5672884 Modular photo interrupters manufactured on mounting strips Sep. 30, 1997
5661297 Bar code scanner with sealed housing Aug. 26, 1997
5650615 Electromagnetic emission shielding of an image aperture opening for a digital scanner Jul. 22, 1997
5644140 Apparatus for checking semiconductor wafers with complementary light sources and two cameras Jul. 1, 1997
5623143 Photo sensor having sectioned lens Apr. 22, 1997
5610390 Solid-state image pickup device having microlenses each with displaced optical axis Mar. 11, 1997
5610395 Photodetector module with a photodiode electrically connected directly on top of a parallel plate capacitor Mar. 11, 1997
5606161 Electro-optical module having a Y-shaped spring element Feb. 25, 1997
5591966 Photosensor package with defined locations for lens supporting lead Jan. 7, 1997
5585697 PAR lamp having an integral photoelectric circuit arrangement Dec. 17, 1996
5581076 Contact type image sensor with more-unified construction Dec. 3, 1996
5570204 Image reader with flare prevention using light shield plates Oct. 29, 1996
5567934 Method and apparatus for illumination and imaging of a surface using opaque shroud Oct. 22, 1996

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