Invention Grant
- Patent Title: Projection device management system
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Application No.: US14746928Application Date: 2015-06-23
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Publication No.: US09602788B2Publication Date: 2017-03-21
- Inventor: Hwan Chul Kim , Su Ryeon Kang
- Applicant: CJ CGV CO., LTD.
- Applicant Address: KR Seoul
- Assignee: CJ CGV CO., LTD.
- Current Assignee: CJ CGV CO., LTD.
- Current Assignee Address: KR Seoul
- Agency: LRK Patent Law Firm
- Main IPC: G03B21/26
- IPC: G03B21/26 ; H04N9/31 ; G03B21/14 ; G03B21/16 ; E04H3/22 ; G03B21/20 ; G03B21/56 ; G03B37/04
Abstract:
A projection device management system includes two or more projection devices which project images on a projection surface; and a management device which corrects the image projected by each projection device based on information on each projection device and manages information for maintenance of each projection device, the two or more projection devices being installed in the same theater.
Public/Granted literature
- US20150296191A1 PROJECTION DEVICE MANAGEMENT SYSTEM Public/Granted day:2015-10-15
Information query
