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Class Information
Number: 341/7
Name: Coded data generation or conversion > Digital pattern reading type converter > Antiambiguity feature
Description: Subject matter having structure or circuitry to positively ascertain which one of two adjacent pattern portions is being read when close to a boundary between two pattern portions.










Patents under this class:

Patent Number Title Of Patent Date Issued
7414547 Method and system for calibrating a rotary encoder and making a high resolution rotary encoder Aug. 19, 2008
7411520 Encoder Aug. 12, 2008
7397393 Encoder count error detection circuitry and encoder count error detection method Jul. 8, 2008
7365654 Absolute angle detection apparatus Apr. 29, 2008
7180430 Low-cost absolute linear optical encoder Feb. 20, 2007
7129858 Encoding system Oct. 31, 2006
6563443 Method and device for absolute position determination May. 13, 2003
6469642 Method, selector switch and selector device for securely sensing a selector switch position Oct. 22, 2002
6430479 Methods, apparatus and computer program products for determining the vertical speed of an aircraft Aug. 6, 2002
6323786 Absolute-value encoder device Nov. 27, 2001
6265992 Position measuring system and method for operating a position measuring system Jul. 24, 2001
6100823 Single sensor position encoder providing two levels of resolution Aug. 8, 2000
6097318 Position measuring system and method for operating a position measuring system Aug. 1, 2000
6014091 Sensor device, especially a hall sensor, with a binary output and a fault detection circuit Jan. 11, 2000
5608394 Position detecting method and apparatus Mar. 4, 1997
5109225 Coordinate reader with pointer inclination compensation Apr. 28, 1992
4935739 Encoder Jun. 19, 1990
4717793 Graphic input device Jan. 5, 1988
4621256 Apparatus for measuring rate of angular displacement Nov. 4, 1986
4577057 Digitizing tablet system having stylus tilt correction Mar. 18, 1986
4524347 Position encoder Jun. 18, 1985
4477877 Coordinate determining device Oct. 16, 1984
4427972 Modular shaft encoder system for non-binary counts Jan. 24, 1984
4306220 Interpolation utilization apparatus Dec. 15, 1981
4240069 Angle coder with variable input angle Dec. 16, 1980
4221328 Data read-out system and apparatus useful for angular measurements Sep. 9, 1980
4212000 Position-to-digital encoder Jul. 8, 1980
4101882 Data read-out system and apparatus useful for angular measurements Jul. 18, 1978
3999022 Electrical brush sensor apparatus useful for analog-to-digital converters Dec. 21, 1976
3947843 Arrangement for preventing ambiguity in digital displacement measuring apparatus Mar. 30, 1976











 
 
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