Resources Contact Us Home
Error preventive circuit for a photoelectric switch

Image Number 2 for United States Patent #5057683.

An error preventive circuit for a photoelectric switch is formed of a logic circuit, and it is highly responsive, while preventing erroneous operations caused by noises, eliminates the need of capacitors, and is suitable for circuit integration. The circuit validates the incoming light reception pulse only when its base-of-N counter has advanced to N counts, and, if the light reception pulse deviates in time by a certain value in the range of synchronism, a base-of-M counter is preset so that the timing of light reception is re-established at the center of the allowable range of synchronism.

  Recently Added Patents
Synchronization of web applications and media
Austenitic stainless steel welding wire and welding structure
Silicon carbide substrate, epitaxial wafer and manufacturing method of silicon carbide substrate
Model matching for trace link generation
High-performance AHCI interface
Flat panel display device and stereoscopic display device
Multi user MIMO detection utilizing averaged spatial whitening
  Randomly Featured Patents
X-ray system signal derivation circuits for heat unit indicators and/or calibration meters
Method of making semiconductor device having passive elements including forming capacitor electrode and resistor from same layer of material
Heterodyne receiver
Method for manufacturing preforms coated with hard solder for repairing interconnect interruptions
Toilet seat
Method of handling biologic matter and means for carrying out the method
Switching circuit implementing variable string matching
Compositions with a chicken flavour, use and production thereof
Packaging system for customizing software
Method and stencil for extruding material on a substrate