Invention Grant
- Patent Title: Semiconductor laser device
- Patent Title (中): 半导体激光器件
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Application No.: US147173Application Date: 1980-05-06
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Publication No.: US4366492APublication Date: 1982-12-28
- Inventor: Takashi Kitamura
- Applicant: Takashi Kitamura
- Applicant Address: JPX Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JPX Tokyo
- Priority: JPX54-56793 19790508
- Main IPC: H01S5/00
- IPC: H01S5/00 ; G02B27/00 ; G06K15/12 ; G01D15/14 ; H01S3/19
Abstract:
A semiconductor laser device of a construction, wherein projection of a laser beam (or rear beam) backwardly from a semiconductor laser element in the device is prevented.
Public/Granted literature
- US5385128A Method and device for limiting vehicle speed Public/Granted day:1995-01-31
Information query
