US 11,937,024 B2
Projection system, projection device and projection method
Yuki Hayashi, Osaka (JP); Tetsuya Nishi, Osaka (JP); and Keisuke Hara, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Appl. No. 17/598,806
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
PCT Filed Jan. 23, 2020, PCT No. PCT/JP2020/002235
§ 371(c)(1), (2) Date Sep. 27, 2021,
PCT Pub. No. WO2020/202720, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 2019-067625 (JP), filed on Mar. 29, 2019.
Prior Publication US 2022/0201259 A1, Jun. 23, 2022
Int. Cl. G03B 21/14 (2006.01); H04N 9/31 (2006.01)
CPC H04N 9/3129 (2013.01) [H04N 9/3161 (2013.01)] 17 Claims
OG exemplary drawing
 
10. A projection method, comprising:
specifying a placing position and an orientation of a projection device in design data after the projection device is placed in a work site, the projection device including a driver that changes an orientation of the projection device and a controller that controls the driver, the design data showing a size and a shape of the work site;
projecting drawings individually onto a plurality of work spots in the work site by the projection device, wherein:
when drawings are individually projected onto a first work spot and a second work spot in a stated sequence, and the second work spot is outside a projection angle that is projectable by the projection device, the projecting includes
determining a direction and an amount of movement of the orientation of the projection device by the controller to include the second work spot within the projection angle after work at the first work spot is finished, and
changing by the driver the orientation of the projection device based on the direction and the amount of movement determined by the controller, the first work spot and the second work spot being included in the plurality of work spots.