Invention Grant
- Patent Title: Image projection device
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Application No.: US17076132Application Date: 2020-10-21
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Publication No.: US11647170B2Publication Date: 2023-05-09
- Inventor: Tomoko Takahashi , Yuuji Wada , Yu Yoneda , Daisuke Tomita , Kunihiko Nishioka , Hideki Kosugi , Yasukazu Kitamura , Toshihiro Hamamura , Takaya Muraishi , Naomi Sugimoto , Yasunari Harada
- Applicant: Tomoko Takahashi , Yuuji Wada , Yu Yoneda , Daisuke Tomita , Kunihiko Nishioka , Hideki Kosugi , Yasukazu Kitamura , Toshihiro Hamamura , Takaya Muraishi , Naomi Sugimoto , Yasunari Harada
- Applicant Address: JP Kanagawa
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: IPUSA, PLLC
- Priority: JP 2019192681 2019.10.23 JP 2019238331 2019.12.27 JP 2019238332 2019.12.27 JP 2020126881 2020.07.27 JP 2020126882 2020.07.27
- Main IPC: H04N9/31
- IPC: H04N9/31
Abstract:
An image projection device includes a projector configured to project an image; and an operation unit configured to receive an operation performed by an operator. The projector is in a projecting state while the operation unit is receiving a pressing operation performed by the operator, and the projector is in a non-projecting state while the operation unit is not receiving a pressing operation performed by the operator.
Public/Granted literature
- US20210127097A1 IMAGE PROJECTION DEVICE Public/Granted day:2021-04-29
Information query
