Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Power supply dependent optical receiver and amplifier and photocoupler using the same










Image Number 2 for United States Patent #8129671.

In an optical receiver and amplifier and an optical coupler, a technique for stabilize operations at turning on/off of a power supply by a simple configuration is desired. An optical receiver and amplifier includes: a photodiode generates a photocurrent in response to a light input; an output section outputs output voltage being a low level or a high level in response to a magnitude of the photocurrent by using a power supply voltage supplied from a power supply; and an output control circuit controls an input voltage of the output section such that the output voltage is set to the low level when the power supply is turned on or off during a period where the power supply voltage is lower than a predetermined value. The output voltage can be set to the low level so that an additional circuit for preventing malfunction is not needed.








 
 
  Recently Added Patents
Method and system for billing based on color component histograms
System for purifying air through germicidal irradiation and method of manufacture
Method for installing industrial components in an environment
Protection circuit, substrate for electro-optical device, electro-optical device, electrophoretic display device, electronic apparatus, and manufacturing method of electro-optical device
Online data conversion technique using a sliding window
Quantifying the risks of applications for mobile devices
Dynamic web page construction based on determination of client device location
  Randomly Featured Patents
Method and apparatus for attaining higher amplifier efficiencies at lower power levels
Underwater mining dredge
Prodrugs for use as ophthalmic agents
Technique for providing automatic event notification of changing network conditions to network elements in an adaptive, feedback-based data network
High speed serial pixel neighborhood processor and method
Golf club head
Optical film having luminous flux
Oval wrap suture package
Methods and apparatus for tire tread measurement
Image processing method for decoding compressed image data