Invention Grant
- Patent Title: Equipment for the optical playback of analog phonographic records
- Patent Title (中): 模拟语音记录的光学播放设备
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Application No.: US11195784Application Date: 2005-08-03
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Publication No.: US07660208B2Publication Date: 2010-02-09
- Inventor: Louis Laborelli
- Applicant: Louis Laborelli
- Applicant Address: FR Bry-sur-Marne
- Assignee: Institut National de l'Audiovisuel - INA
- Current Assignee: Institut National de l'Audiovisuel - INA
- Current Assignee Address: FR Bry-sur-Marne
- Agency: Young & Thompson
- Priority: FR0451841 20040812
- Main IPC: G11B11/00
- IPC: G11B11/00
Abstract:
This invention relates to equipment for the optical playback of sound media which includes resources (1) that has engraves grooves, (3, 9) for generating at least one light beam that presents a light spectrum variation according to its incidence angle on an area of the sound media and an image sensor (7) placed so that it recovers the light reflected by said area of the sound media.
Public/Granted literature
- US20060044988A1 Equipment for the optical playback of analog phonographic records Public/Granted day:2006-03-02
Information query
IPC分类:
