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
Deposited conductive layers for leads of implantable electric stimulation systems and methods of making and using
Optical splitter device
Power semiconductor module
Identifying media content in queries
Synthesized interoperable communications
Data communication apparatus, method of controlling the same, program, and storage medium
Switching module and switching synchronization system
  Randomly Featured Patents
Orthodontic appliances (brackets) having pre-applied adhesive
Electrophotographic apparatus and method for inhibiting charge over-transfer
Education intermediary system and method
Plate-link chain for a motor vehicle drive system
Methods and materials for the detection of Leishmania infection
Tricyclic compounds
Use of alkanes for contamination-free purification or separation of biopolymers
Parallel computer network and method for telecommunications network simulation to route calls and continuously estimate call billing in real time
Process and device for eliminating the particles contained in a stream of fluid
Nozzle guard alignment for ink jet printhead