Invention Grant
US2772093A Recording and playback arm operating and setting means for dictating machines
失效
记录和播放手臂操作和设置手段来控制机器
- Patent Title: Recording and playback arm operating and setting means for dictating machines
- Patent Title (中): 记录和播放手臂操作和设置手段来控制机器
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Application No.: US13622249Application Date: 1949-12-31
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Publication No.: US2772093APublication Date: 1956-11-27
- Inventor: NAPOLI JR ANTHONY C DE , RUNGE FRANK E
- Applicant: SOUNDSCRIBER CORP
- Assignee: Soundscriber Corp
- Current Assignee: Soundscriber Corp
- Priority: US13622249 1949-12-31
- Main IPC: G11B25/04
- IPC: G11B25/04
Public/Granted literature
- US08493821B1 Thermally-assisted magnetic recording head including a shield Public/Granted day:2013-07-23
Information query
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