| |
 |
|
Class Information
Number: 356/218
Name: Optics: measuring and testing > Photometers > Photoelectric
Description: including a light responsive device which may be photo-resistive or photovoltaic together with an electrical meter or other electrical indicating device electrically coupled to the light responsive device to indicate quantitatively the change produced by light infringing on the light responsive device.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623225 |
Photometer with modular light emitter |
Nov. 24, 2009 |
| 7619727 |
Apparatus for detecting wavelength and measuring optical power |
Nov. 17, 2009 |
| 7616314 |
Methods and apparatuses for determining a color calibration for different spectral light inputs in an imaging apparatus measurement |
Nov. 10, 2009 |
| 7601298 |
Method for processing and treating a biological fluid with light |
Oct. 13, 2009 |
| 7593103 |
Light intensity measuring method and electronic device |
Sep. 22, 2009 |
| 7551271 |
Uncaging devices |
Jun. 23, 2009 |
| 7542133 |
Photo-detector filter |
Jun. 2, 2009 |
| 7522274 |
Radiometers |
Apr. 21, 2009 |
| 7518715 |
Method for determination of efficient lighting use |
Apr. 14, 2009 |
| 7501617 |
Device for testing a light-emitting optical device using a socket |
Mar. 10, 2009 |
| 7483126 |
Performance analyses of micromirror devices |
Jan. 27, 2009 |
| 7477429 |
Image reading apparatus |
Jan. 13, 2009 |
| 7469196 |
Measuring a characteristic of a transfer circuit |
Dec. 23, 2008 |
| 7466402 |
System and method for testing a lighting diode |
Dec. 16, 2008 |
| 7436523 |
Eyeglass frame measurement apparatus |
Oct. 14, 2008 |
| 7433030 |
Apparatus, systems and methods for processing and treating a biological fluid with light |
Oct. 7, 2008 |
| 7428043 |
Apparatus for ascertaining the light power level of a light beam, and scanning microscope |
Sep. 23, 2008 |
| 7426022 |
Liquid crystal module brightness measurement apparatus and brightness measurement apparatus |
Sep. 16, 2008 |
| 7414734 |
Image position detecting device and image forming apparatus using the same |
Aug. 19, 2008 |
| 7371538 |
Microluminometer chip and method to measure bioluminescence |
May. 13, 2008 |
| 7365833 |
System for measuring radiance, transmittance and reflectance |
Apr. 29, 2008 |
| 7340118 |
Fuel injectors with integral fiber optic pressure sensors and associated compensation and status monitoring devices |
Mar. 4, 2008 |
| 7335868 |
Exposure control system and method for an image sensor |
Feb. 26, 2008 |
| 7317520 |
Method and apparatus for measuring brightness |
Jan. 8, 2008 |
| 7301618 |
Method and apparatus for uniformity and brightness correction in an OLED display |
Nov. 27, 2007 |
| 7283223 |
Cytometer having telecentric optics |
Oct. 16, 2007 |
| 7271886 |
Uncaging device |
Sep. 18, 2007 |
| 7271887 |
Sunlight measuring device |
Sep. 18, 2007 |
| 7267546 |
Light meter for detecting and measuring intensity of two or more wavelengths of light |
Sep. 11, 2007 |
| 7268337 |
Optical sensor, output processing method of optical sensor, display device, and electronic apparatus |
Sep. 11, 2007 |
| 7264971 |
Read-head for optical diagnostic device |
Sep. 4, 2007 |
| 7263286 |
Fast testing system for optical transceiver and testing method thereof |
Aug. 28, 2007 |
| 7256880 |
Goniophotometer |
Aug. 14, 2007 |
| 7253890 |
Door obstacle sensor |
Aug. 7, 2007 |
| 7242466 |
Remote pointing system, device, and methods for identifying absolute position and relative movement on an encoded surface by remote optical method |
Jul. 10, 2007 |
| 7232987 |
Instrument and method to measure available light energy for photosynthesis |
Jun. 19, 2007 |
| 7209226 |
Gravity sensor |
Apr. 24, 2007 |
| 7190445 |
High performance fluorescent optical sensor |
Mar. 13, 2007 |
| 7190444 |
System and method of measuring field-of-view of an optical sensor |
Mar. 13, 2007 |
| 7181096 |
Light waveguide and fluorescent sensor using the light waveguide |
Feb. 20, 2007 |
| 7158223 |
Torque measuring apparatus for rotating body |
Jan. 2, 2007 |
| 7129689 |
True RMS converter board |
Oct. 31, 2006 |
| 7092081 |
Apparatus for measuring optoelectric properties of OLED and the measurement method thereof |
Aug. 15, 2006 |
| 7084964 |
Optical power measuring apparatus |
Aug. 1, 2006 |
| 7068362 |
Expendable beam transmissometer |
Jun. 27, 2006 |
| 7068361 |
Apparatus, systems and methods for processing and treating a biological fluid with light |
Jun. 27, 2006 |
| 7049578 |
Optical movement information detector, movement information detection system, electronic equipment and encoder |
May. 23, 2006 |
| 7035534 |
Photographic lightmeter-remote, system, and method |
Apr. 25, 2006 |
| 7034982 |
Method of improving the performance of microstructures |
Apr. 25, 2006 |
| 7027139 |
Photosensor apparatus and image forming apparatus |
Apr. 11, 2006 |
|
|
|
