Patent ID: 7248126
Filing Date: 2007-07-24
Classification: G01S,H03L

Abstract:
1. A temperature correcting apparatus comprising: a storing unit for storing correcting data for individual temperatures in correspondence with addresses representing the individual temperatures, the correcting data for an individual temperature being generated by dividing an actually measured waveform of correcting voltages, which are required by an apparatus to be corrected at the individual temperatures, by a positive integer multiple of a minimum resolution of a D/A converter to obtain voltage digital values representing voltage values at individual dividing points of the actually measured waveform and times corresponding to the dividing points, and generating a plurality of pairs consisting of the voltage digital values and the corresponding times; temperature sensor means for detecting an ambient temperature of the apparatus to be corrected and producing a detection voltage; an A/D converter for A/D converting the detection voltage to a detection address representing the temperature; processing means for reading out correcting data from said storing unit according to the detection address, extracting or calculating the voltage digital values about the correcting voltages required by the detection address, and the times corresponding to the voltage digital values from the correcting data, and for sequentially outputting the resultant voltage digital values in synchronization with the times; and a D/A converter for generating correcting voltages to be supplied to said apparatus to be corrected by performing D/A conversion of the voltage digital values output.