Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Optical & Optics
Class Information
Number: 356/922
Name: Optics: measuring and testing > Photometry, e.g., photographic exposure meter (go1j 11/04)
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8334495 Photometric device including a photoelectric conversion element for detecting illuminance of light Dec. 18, 2012











 
 
  Recently Added Patents
Radiation protective garment with forced ventilation and method
Semiconductor device and method of manufacturing the same
Multiplexing channels by a medium access controller
Vehicle control apparatus
Data output apparatus and data output method
Electronic device
Method to calibrate RF paths of an FHOP adaptive base station
  Randomly Featured Patents
Endoscopic system and method for therapeutic applications and obtaining 3-dimensional human vision simulated imaging with real dynamic convergence
Method and apparatus for securely exchanging cryptographic identities through a mutually trusted intermediary
Surge voltage protection for transfer switches for load-tap changers
Method for deflecting a spray of wash liquid to a desired location in a cleaning appliance
Automatic switch with an arc blast field
Electrolytic post treatment of chromium substrates
Adjustable bandwidth high pass filter for large input signal, low supply voltage applications
Method and apparatus for automatic performance evaluation of electronic display devices
LSI Microprocessor having an error processing circuit
Method of producing microporous polyolefin membrane