Resources Contact Us Home
System and method for delay calibration in position encoders

Image Number 5 for United States Patent #6639529.

Systems and methods are provided for calibrating a sample delay time between a position request time from a host computer and a position encoder sample time. The position encoder includes a readhead with a transducer and transducer electronics, and encoder interface electronics which exchange data and commands with the readhead and with the host computer. The transducer electronics may lack a clock capable providing a sufficiently consistent sample delay time. To provide a consistent sample delay the interface electronics measures an inherent sample delay time based on signals from the readhead during a calibration mode. The difference between the inherent delay time and the desired delay time is saved and inserted by the interface electronics during position measurement such that the calibrated sample delay time is consistently the desired sample delay time.

  Recently Added Patents
Hemostatic devices and methods of making same
Pressure-sensitive adhesive composition having an improved release behavior
Wireless communications system, wireless communications apparatus, wireless communications method and computer program for wireless communication
Process for manufacturing a self-sealing composition
Resin composition, prepreg, resin sheet, metal-clad laminate, printed wiring board, multilayer printed wiring board and semiconductor device
Sports helmet
Dual protocol input device
  Randomly Featured Patents
Wrist watch
Semiconductor memory device with improved read characteristics for data having multi values
Isopropenyl-alpha,alpha-dimethylbenzyl isocyanate - grafted polymers
Gaming device having wager dependent bonus game play
Camera and printer having slidably detachable interface
Molded plastic bracket for lamp receptacle
Putamen OVI
Watermark detection
Four-pass phase conjugate optical amplifier system and method
Voltage identifier sorting