Invention Grant
- Patent Title: Sound output device
- Patent Title (中): 声音输出设备
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Application No.: US13717609Application Date: 2012-12-17
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Publication No.: US09251780B2Publication Date: 2016-02-02
- Inventor: Masahiro Yamaguchi , Hiroaki Umemoto , Takayuki Ito
- Applicant: KONICA MINOLTA, INC.
- Applicant Address: JP Tokyo
- Assignee: KONICA MINOLTA, INC.
- Current Assignee: KONICA MINOLTA, INC.
- Current Assignee Address: JP Tokyo
- Agency: Holtz, Holtz & Volek PC
- Priority: JP2011-282602 20111226
- Main IPC: H04R3/02
- IPC: H04R3/02 ; G10K11/175 ; H04H40/72
Abstract:
A sound output device for masking an operation sound generated by equipment, having: an operation determining unit that determines an operation mode to be executed by the equipment; and a sound output unit that outputs a masking sound on the basis of the operation mode determined by the operation determining unit, the masking sound changing at least in sound pressure level over time.
Public/Granted literature
- US20130163779A1 SOUND OUTPUT DEVICE Public/Granted day:2013-06-27
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