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










Image Number 4 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
Web-based system and method for video analysis
Method and assembly for determining the temperature of a test sensor
Label with surface ornamentation
Performance apparatus and electronic musical instrument
Determination of copy number variations using binomial probability calculations
Electronic device, display, image processing apparatus and electronic calculating apparatus
Microcapsules, their use and processes for their manufacture
  Randomly Featured Patents
Systems and methods for dealing with online activity based on delivery of a television advertisement
Vibratory roller
Substrate processing apparatus
Toner cartridge
Shoe clamping mechanism for power tool and power tool incorporating such mechanism
Polymers which form gels at low concentrations in water
Intensification of ion exchange in lithium batteries
Method and device for determining the length of a shortest path in a network
Method for detection of pathogenic microorganisms
Adaptable detection threshold for RFID tags and chips