Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Error preventive circuit for a photoelectric switch










Image Number 3 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
Solid-state imaging device and method for manufacturing the same
Edge alphas for image translation
Chemical method of making a suspension, emulsion or dispersion of pyrithione particles
Wallet
Systems and methods for authorizing, authenticating and accounting users having transparent computer access to a network using a gateway device
Target trading system and method
Epilation apparatus
  Randomly Featured Patents
Vacuum cleaner motor housing
Method and system of thermal protection
Power and free conveyor
Process for producing polyoxyethylene sorbitan fatty acid ester
Systems of recording piston rod position information in a magnetic layer on a piston rod
Electromagnetic alignment and scanning apparatus
Image forming apparatus and control method thereof
Submerged anaerobic filter waste treatment apparatus
Minimization and linearization of ESD parasitic capacitance in integrated circuits
Adjustable angle pipe joint