A/D CONVERSION CONTROLLING DEVICE, AND IMAGE FORMING APPARATUS

PROBLEM TO BE SOLVED: To provide an A/D conversion controlling device and image forming apparatus capable of more improving calculation accuracy in calculating an analog input voltage from a digital value. SOLUTION: A reference voltage generating unit 408 generates a plurality of analog reference vo...

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1. Verfasser:	OI MASASHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CINEMATOGRAPHY CODE CONVERSION IN GENERAL CODING DECODING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator	OI MASASHI
description	PROBLEM TO BE SOLVED: To provide an A/D conversion controlling device and image forming apparatus capable of more improving calculation accuracy in calculating an analog input voltage from a digital value. SOLUTION: A reference voltage generating unit 408 generates a plurality of analog reference voltages, and an A/D converting unit 405 converts the analog reference voltages this generated and analog input voltage inputted from an external device to digital reference values. A CPU 402 generates, based on the analog reference voltages and the digital reference values converted from the analog reference voltages, an equation for correcting the analog input voltage to be converted to a digital value falling in a range of the digital reference values. With the equation generated, the CPU calculates the analog input voltage for the digital value obtained by conversion. COPYRIGHT: (C)2009,JPO&INPIT
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SOLUTION: A reference voltage generating unit 408 generates a plurality of analog reference voltages, and an A/D converting unit 405 converts the analog reference voltages this generated and analog input voltage inputted from an external device to digital reference values. A CPU 402 generates, based on the analog reference voltages and the digital reference values converted from the analog reference voltages, an equation for correcting the analog input voltage to be converted to a digital value falling in a range of the digital reference values. With the equation generated, the CPU calculates the analog input voltage for the digital value obtained by conversion. 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subjects	BASIC ELECTRONIC CIRCUITRY CINEMATOGRAPHY CODE CONVERSION IN GENERAL CODING DECODING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
title	A/D CONVERSION CONTROLLING DEVICE, AND IMAGE FORMING APPARATUS
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