Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Digital-to-analog converter biasing control circuit










Image Number 3 for United States Patent #4631518.

A device for controlling the output voltage range of a digital-to-analog (D/A) converter of the type wherein the converter output voltage range is proportional to the magnitude of an applied bias current. The device comprises means to sample and store a selected converter output voltage, means to produce a variable current of magnitude proportional to the stored converter output voltage, and a source of constant current. The constant current and the variable current are summed and applied to the converter as the bias current. The converter output voltage range is dependent on the variable portion of the applied bias current which is in turn dependent on the stored, selected converter output voltage.








 
 
  Recently Added Patents
Method, apparatus or computer program for changing from scheduled to unscheduled communication modes
Systems for usage based rate limiting over a shared data link
Fuel cell module, manufacturing method thereof and unit containing several of the latter
Off-line converter with digital control
Dot templates for object detection in images
Canopy light fixture
Image correction method
  Randomly Featured Patents
Ultraviolet endoscope
Motocycle spark arrestor
Precipitative removal of nitrocresols from dinitrotoluene waste streams
Indicator light for use in combination with an electrical circuit protector or fuse
Heart compression simulation device
Gear changing device
System and method for ultrasonic tomography
Kinetoplastid protein expression system and methods
Specimen collecting method and blade temperature estimating method
Waist bag