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Class Information
Number: 250/226
Name: Radiant energy > Photocells; circuits and apparatus > Optical or pre-photocell system > Color (e.g., filter or spectroscope)
Description: Subject matter having optical means for acting unequally upon different frequencies of radiation in the optical path of light from a light source to the photocell.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7456383 |
Surface plasmon-enhanced nano-optic devices and methods of making same |
Nov. 25, 2008 |
| 7456384 |
Method and apparatus for acquiring physical information, method for manufacturing semiconductor device including array of plurality of unit components for detecting physical quantity distribut |
Nov. 25, 2008 |
| 7449666 |
Color image sensor unit and image reading apparatus using the sensor unit and control method therefor |
Nov. 11, 2008 |
| 7446294 |
True color image by modified microlens array |
Nov. 4, 2008 |
| 7446303 |
Ambient light sensing using a color sensor |
Nov. 4, 2008 |
| 7443506 |
Compact spectral readers for precise color determination |
Oct. 28, 2008 |
| 7439479 |
Photonic crystal-based filter for use in an image sensor |
Oct. 21, 2008 |
| 7435943 |
Color sensor with infrared correction having a filter layer blocking a portion of light of visible spectrum |
Oct. 14, 2008 |
| 7432494 |
Color image forming apparatus and method of controlling the color image forming apparatus that efficiently perform position displacement detection operation and density detection operation |
Oct. 7, 2008 |
| 7427734 |
Multiple photosensor pixel |
Sep. 23, 2008 |
| 7423677 |
Color filter method and apparatus |
Sep. 9, 2008 |
| 7420151 |
Device for short wavelength visible reflectance endoscopy using broadband illumination |
Sep. 2, 2008 |
| 7420156 |
Metal nanowire based bandpass filter arrays in the optical frequency range |
Sep. 2, 2008 |
| 7420677 |
Sensing photon energies of optical signals |
Sep. 2, 2008 |
| 7414231 |
Focus-state detecting device, image sensing apparatus and image sensing system having same and lens unit mounted thereon |
Aug. 19, 2008 |
| 7399968 |
Spectroscopic instruments and methods employing array detector and variable filtering |
Jul. 15, 2008 |
| 7399952 |
Image processing apparatus and image capturing apparatus |
Jul. 15, 2008 |
| 7394053 |
Systems and methods for multi-modal imaging having a spatial relationship in three dimensions between first and second image data |
Jul. 1, 2008 |
| 7394059 |
Noise-reducing image sensor having light receiving elements |
Jul. 1, 2008 |
| 7391008 |
Method and system for wavelength-dependent imaging and detection using a hybrid filter |
Jun. 24, 2008 |
| 7388665 |
Multicolour chromaticity sensor |
Jun. 17, 2008 |
| 7385173 |
Photosensitive array detector for spectrally split light |
Jun. 10, 2008 |
| 7382454 |
System and method for optically assessing lamp condition |
Jun. 3, 2008 |
| 7379592 |
System and method for significant dust detection and enhancement of dust images over land and ocean |
May. 27, 2008 |
| 7369239 |
Light measuring apparatus and method for measuring monochromatic light |
May. 6, 2008 |
| 7365298 |
Image sensor and method for manufacturing the same |
Apr. 29, 2008 |
| 7358476 |
Sensing photons from objects in channels |
Apr. 15, 2008 |
| 7355156 |
Solid-state image pickup device, image pickup unit and image processing method |
Apr. 8, 2008 |
| 7348539 |
Image sensor for semiconductor light-sensing device and image processing apparatus using the same |
Mar. 25, 2008 |
| 7342214 |
Apparatus and method for chemical imaging of a biological sample |
Mar. 11, 2008 |
| 7339660 |
Illumination device for product examination |
Mar. 4, 2008 |
| 7339156 |
Method of creating a color profile for color measurement system |
Mar. 4, 2008 |
| 7334520 |
Printing press and device for the inline monitoring of printing quality in sheet-fed offset printing presses |
Feb. 26, 2008 |
| 7335869 |
Image sensor, multi-chip module type image sensor and contact image sensor |
Feb. 26, 2008 |
| 7332699 |
Feed-forward methods and apparatus for setting the light intensities of one or more LEDs |
Feb. 19, 2008 |
| 7333271 |
Dichroic mangin mirror |
Feb. 19, 2008 |
| 7329856 |
Image sensor having integrated infrared-filtering optical device and related method |
Feb. 12, 2008 |
| 7326915 |
Wavelength stabilization for broadband light sources |
Feb. 5, 2008 |
| 7323676 |
Color photosensor with color filters and subtraction unit |
Jan. 29, 2008 |
| 7319216 |
Light receiving unit and image taking apparatus |
Jan. 15, 2008 |
| 7319298 |
Digitally controlled luminaire system |
Jan. 15, 2008 |
| 7315377 |
System and method for remote sensing and/or analyzing spectral properties of targets and/or chemical species for detection and identification thereof |
Jan. 1, 2008 |
| 7312434 |
Method of filtering spectral energy |
Dec. 25, 2007 |
| 7304285 |
Method and system for shaping a spatial response of a spatial filter |
Dec. 4, 2007 |
| 7297924 |
Imaging device with focus switching means for day and night vision |
Nov. 20, 2007 |
| 7297570 |
Complementary metal oxide semiconductor image sensor and method for fabricating the same |
Nov. 20, 2007 |
| 7297919 |
Solid-state image pickup device and image pickup camera having shifted wiring openings |
Nov. 20, 2007 |
| 7295340 |
Systems and methods for obtaining a spatial color profile, and calibrating a marking system |
Nov. 13, 2007 |
| 7291824 |
Photosensing throughout energy range and in subranges |
Nov. 6, 2007 |
| 7285768 |
Color photodetector array |
Oct. 23, 2007 |
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