Data processing: measuring – calibrating – or testing – Calibration or correction system – Direction
Reexamination Certificate
2005-08-30
2005-08-30
Nghiem, Michael (Department: 2863)
Data processing: measuring, calibrating, or testing
Calibration or correction system
Direction
C702S032000, C033S356000
Reexamination Certificate
active
06937954
ABSTRACT:
In a signal processor for use in an electronic compass for controlling an offset voltage generated in an analog signal process and automatically controlling an amplification gain, an analog signal processor52amplifies signals Sx and Sy, and controls an offset voltage and amplitude A generated during an amplification process. An analog/digital (AD) converter53converts analog signals Vadcx and Vadcy from the analog signal processor52into a digital signal. A digital signal processor54measures a maximum value Vadc—maxand a minimum value Vadc—minassociated with the digital signal from the AD converter53,and outputs, to the analog signal processor52,an offset control signal Soc and a gain control signal Sgc based on the maximum value Vadc—maxand minimum value Vadc—min. The signal processor can maintain levels of signals, to be inputted into the AD converter, to be within a reference voltage range.
REFERENCES:
patent: 5216816 (1993-06-01), Ida
patent: 5394029 (1995-02-01), Gay et al.
patent: 6242907 (2001-06-01), Clymer et al.
patent: 6427349 (2002-08-01), Blank et al.
patent: 6466871 (2002-10-01), Reisman et al.
patent: 6842991 (2005-01-01), Levi et al.
patent: 6871411 (2005-03-01), Kang et al.
patent: 2004/0020064 (2004-02-01), Levi et al.
patent: 2004/0187328 (2004-09-01), Satoh et al.
Choi Won Tae
Jeong Ha Woong
Jo Han Chul
Kang Jin Yong
Kim Chang Hyun
Bhat Aditya
Lowe Hauptman & Berner LLP
Nghiem Michael
Samsung Electro-Mechanics Co. Ltd
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