Patent Number: 8,823,115

Title: Microphone unit and voice input device using same

Abstract: A microphone unit converts voice into an electric signal based on the vibration of a diaphragm contained in an MEMS chip. The microphone unit includes a substrate on which the diaphragm is mounted (the MEMS chip is mounted); a cover member, having sound holes, that is disposed above the substrate so that the diaphragm is contained within the inner space formed between the cover member and the substrate; and a holding member that holds only the substrate or both of the substrate and the cover member.

Inventors: Inoda; Takeshi (Osaka, JP), Horibe; Ryusuke (Osaka, JP), Tanaka; Fuminori (Osaka, JP), Funatsu; Akira (Tokyo, JP), Shibutani; Michitomo (Tokyo, JP)

Assignee: Funai Electric Co., Ltd.

International Classification: H01L 29/84 (20060101)

Expiration Date: 9/02/12018