Title:
診断装置及び画像形成装置
Document Type and Number:
Japanese Patent JP7308701
Kind Code:
B2
Abstract:
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
Inventors:
Masami Inagaki
Atsunobu Mori
Tatsuya Hosuke
Hiroki Shiomichi
Youhei Suzuki
Hoshiji Hara
Atsunobu Mori
Tatsuya Hosuke
Hiroki Shiomichi
Youhei Suzuki
Hoshiji Hara
Application Number:
JP2019163842A
Publication Date:
July 14, 2023
Filing Date:
September 09, 2019
Export Citation:
Assignee:
Canon Inc
International Classes:
G01H3/00; G01N29/14; G03G21/00; G10L25/51; G10L25/78
Domestic Patent References:
| JP2017120199A | ||||
| JP2130429A | ||||
| JP2002258900A |
Foreign References:
| US4275274 |
Attorney, Agent or Firm:
Patent Attorney Corporation Otsuka International Patent Office
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