Control apparatus, control method for same, projection device, and projection system
AssigneeCanon Kabushiki Kaisha
InventorsKensuke Inagaki, Makiko Mori
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Abstract
A control apparatus that controls a projection area of each of projection devices is provided. The control apparatus notifies relating to control of the projection areas, in a case where a temperature variation of at least one projection device, among the projection devices, is greater than or equal to a threshold value.
Claims15
A control apparatus that controls a projection area of each of projection devices, comprising:
- a controller configured to:
- control the projection area of each of the projection devices;
- determine whether a temperature variation of each of the projection devices is greater than or equal to a threshold value based on an elapsed time period from when a light source of each of the projection devices starts up;
- and
- perform notification relating to control of the projection areas, in a case where the temperature variation of at least one projection device, among the projection devices, is greater than or equal to the threshold value,
- wherein the controller performs the notification by causing a message to be displayed on a display device.
A projection device for projecting an image onto a projection area, comprising:
- a controller
- configured to:
- control a shape or a position of the projection area;
- determine whether a temperature variation of the projection device is less than a threshold value based on an elapsed time period from when a light source of each of the projection devices starts up;
- and
- perform predetermined notification relating to control of the projection area, in a case where the controller determines that the temperature variation of the projection device is not less than the threshold value,
- wherein the controller performs the predetermined notification by sending a message to a control apparatus of the projection device.
A projection system comprising a plurality of projection devices and a control apparatus configured to control a projection area of each of projection devices,
- wherein the control apparatus includes a controller configured to
- control the projection area of each of the projection devices;
- determine whether a temperature variation of each of the projection devices is greater than or equal to a threshold value based on an elapsed time period from when a light source of each of the projection devices starts up;
- and
- perform notification relating to control of the projection areas, in a case where a temperature variation of at least one projection device, among the projection devices, is greater than or equal to a threshold value,
- wherein the controller performs the notification by causing a message to be displayed on a display device.
A control method for a control apparatus that controls a projection area of each of projection devices, the method comprising:
- controlling the projection area of each of the projection devices;
- determining whether a temperature variation of each of the projection devices is greater than or equal to a threshold value based on an elapsed time period from when a light source of each of the projection devices starts up;
- and
- performing notification relating to control of the projection areas, in a case where a temperature variation of at least one projection device, among the projection devices, is greater than or equal to the threshold value,
- wherein the performing comprises causing a message to be displayed on a display device.
A control method for a projection device that projects an image onto a projection area, the method comprising:
- controlling a shape or a position of the projection area;
- determining whether a temperature variation of the projection device is less than a threshold value based on an elapsed time period from when a light source of each of the projection devices starts up;
- and
- performing predetermined notification relating to control of the projection area in the controlling, in a case where it is determined in the determining that the temperature variation of the projection device is not less than the threshold value,
- wherein the performing the predetermined notification comprises sending a message to a control apparatus of the projection device.
A non-transitory computer-readable storage medium that stores a program, wherein the program, when executed by at least one processor of a control apparatus that controls a projection area of each of projection devices, causes the at least one processor to function as:
- a controller configured to
- control the projection area of each of the projection devices;
- determine whether a temperature variation of each of the projection devices is greater than or equal to a threshold value based on an elapsed time period from when a light source of each of the projection devices starts up;
- and
- perform notification relating to control of the projection areas, in a case where a temperature variation of at least one projection device, among the projection devices, is greater than or equal to the threshold value,
- wherein the controller performs the notification by causing a message to be displayed on a display device.
A non-transitory computer-readable storage medium that stores a program, wherein the program, when executed by at least one processor of a projection device for projecting an image onto a projection area, causes the at least one processor to function as:
- a controller configured to
- control a shape or a position of the projection area;
- determine whether a temperature variation of the projection device is less than a threshold value based on an elapsed time period from when a light source of each of the projection devices starts up;
- and
- perform predetermined notification relating to control of the projection area, in a case where the controller determines that the temperature variation of the projection device is not less than the threshold value,
- wherein the controller performs the predetermined notification by sending a message to a control apparatus of the projection device.
Dependencies are inferred from the claim text.