DIAGNOSIS DEVICE AND IMAGE FORMING APPARATUS
To provide a technology that can improve security in an image forming apparatus that diagnoses the state of a diagnosis object member by sound.SOLUTION: An image forming apparatus comprises: sound collection means that receives at least a sound from a diagnosis object member and outputs a sound sign...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To provide a technology that can improve security in an image forming apparatus that diagnoses the state of a diagnosis object member by sound.SOLUTION: An image forming apparatus comprises: sound collection means that receives at least a sound from a diagnosis object member and outputs a sound signal corresponding to the received sound; processing means that performs signal processing on the sound signal output by the sound collection means and outputs diagnosis data; and determination mans that determines the state of the diagnosis object member based on the diagnosis data. The signal processing includes section average processing of determining the section average over a first period of the sound signal, and the first period is a period after which voice cannot be recognized from the sound signal after the section average processing.SELECTED DRAWING: Figure 3
【課題】音により診断対象部材の状態を診断する画像形成装置においてセキュリティを向上させることができる技術を提供する。【解決手段】画像形成装置は、診断対象部材からの音を少なくとも受信し、受信した音に対応する音信号を出力する収音手段と、前記収音手段が出力する音信号に対する信号処理を行って診断データを出力する処理手段と、前記診断データに基づき前記診断対象部材の状態を判定する判定手段と、を備えており、前記信号処理は、音信号の第1期間に渡る区間平均を求める区間平均処理を含み、前記第1期間は、前記区間平均処理後の音信号から音声を認識できなくなる期間である。【選択図】図3 |
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