Invention Grant
- Patent Title: Video projection control apparatus, video projection control method, program, and video projection apparatus
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Application No.: US16640917Application Date: 2018-08-17
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Publication No.: US11153542B2Publication Date: 2021-10-19
- Inventor: Yukinojo Kitakami , Masashi Nakamura
- Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
- Applicant Address: JP Kanagawa
- Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
- Current Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
- Current Assignee Address: JP Kanagawa
- Agency: Sheridan Ross P.C.
- Priority: JPJP2017-166873 20170831
- International Application: PCT/JP2018/030491 WO 20180817
- International Announcement: WO2019/044537 WO 20190307
- Main IPC: H04N9/31
- IPC: H04N9/31 ; G02B26/10 ; G03B21/20

Abstract:
The present disclosure relates to a video projection control apparatus, a video projection control method, a program, and a video projection apparatus that enable a more effective countermeasure against a speckle noise. A calculating part calculates projection signal data to project video using a laser beam as a light source, from video signal data, a correcting part applies, to the projection signal data, a correction process of shifting a wavelength of the laser beam for, for example, each frame of the video for projection, and a converting part converts the projection signal data into a driving current supplied to the laser light source. In addition, the laser light source has a property that the wavelength shifts in accordance with an emission intensity employed when the laser light is emitted. The present technique is applicable to, for example, a video projection apparatus that uses a laser beam as its light source.
Public/Granted literature
- US1257384A Oil-filter. Public/Granted day:1918-02-26
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