Invention Grant
US09025794B2 Integrated circuit device, voice input device and information processing system
有权
集成电路设备，语音输入设备和信息处理系统
- Patent Title: Integrated circuit device, voice input device and information processing system
- Patent Title (中): 集成电路设备，语音输入设备和信息处理系统
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Application No.: US12516018Application Date: 2007-11-21
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Publication No.: US09025794B2Publication Date: 2015-05-05
- Inventor: Rikuo Takano , Kiyoshi Sugiyama , Toshimi Fukuoka , Masatoshi Ono , Ryusuke Horibe , Shigeo Maeda , Fuminori Tanaka , Takeshi Inoda , Hideki Choji
- Applicant: Rikuo Takano , Kiyoshi Sugiyama , Toshimi Fukuoka , Masatoshi Ono , Ryusuke Horibe , Shigeo Maeda , Fuminori Tanaka , Takeshi Inoda , Hideki Choji
- Applicant Address: JP Daito-shi
- Assignee: Funai Electric Co., Ltd.
- Current Assignee: Funai Electric Co., Ltd.
- Current Assignee Address: JP Daito-shi
- Agency: Crowell & Moring LLP
- Priority: JP2006-315883 20061122; JP2007-299726 20071119
- International Application: PCT/JP2007/072592 WO 20071121
- International Announcement: WO2008/062849 WO 20080529
- Main IPC: H03G3/00
- IPC: H03G3/00 ; H04R31/00 ; H04R1/04 ; H04R1/40 ; H04R19/00
Abstract:
An integrated circuit device includes a circuit board (1200′), the circuit board including a first diaphragm (714-1) that forms a first microphone, a second diaphragm (714-2) that forms a second microphone, and a differential signal generation circuit (720) that receives a first voltage signal obtained by the first microphone and a second voltage signal obtained by the second microphone, and generates a differential signal that indicates a difference between the first voltage signal and the second voltage signal.
Public/Granted literature
- US20100266146A1 Integrated Circuit Device, Voice Input Device and Information Processing System Public/Granted day:2010-10-21
Information query
