Patent ID: 11902713
Assignee: CASIO COMPUTER CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 5:
6. A projection method that uses a projector configured to project an image on a projection surface and a computer configured to communicate with the projector and instruct the projector to project the image in accordance with an operation by a user, wherein
the projector includes a first processor that sends information on an operation state of the projector to the computer while communicating with the computer, and
the computer includes
a display and/or a speaker and
a second processor that makes a notification based on the information from the projector by causing the display to display a notification and/or by causing the speaker to output a voice

the computer includes multiple computers each configured to communicate with the projector, and
when the projector starts communicating with a first computer of the multiple computers while being instructed to project the image by a second computer of the multiple computers, the first processor notifies the second computer that there has been an access from the first computer.