Projection device, projection system, and projection method
A projection device and projection technology, applied in the field of projection, can solve the problems of reduced practical value of the projection device, complicated process, reduced frequency of use, etc.
Inactive Publication Date: 2016-03-02
RICOH KK
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Problems solved by technology
[0007] As described above, with the conventional projection device, the conventional process for setting the projection mode to the streaming mode is complicated
Furthermore, in a case where the operation on the projection device cannot be manually performed, it is necessary to perform transition to the streaming mode by using a remote controller or the like; therefore, the process for projecting an image received from the information processing apparatus is more complicated
With the projection system of Japanese Patent Application Laid-Open No. 2011-252971, it is necessary to provide a device for adding codes to images and reading them; therefore, the process for projecting images in streaming mode is complicated
In addition, since the process is complicated, there is a problem that the frequency of real-time projection of an image received from an information processing device in a projection device is reduced, so that the practical value of the projection device is reduced
Method used
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[0022] A detailed explanation of embodiments of a projection device, a projection system, and a projection method is given as follows with reference to the accompanying drawings.
[0023] figure 1 is a diagram illustrating the overall configuration of the projection system according to the embodiment. figure 1 As shown in , the projection system according to this embodiment includes a tablet computer 100 and a projector 200 . The tablet computer 100 is an example of an information processing device, and the projector 200 is an example of a projection device.
[0024] The tablet 100 is a terminal capable of transmitting an image to the projector 200 via radio waves by using a streaming method. The streaming method is a method for reproducing data while receiving data when multimedia data such as image or sound is viewed via a network.
[0025] The projector 200 receives an image transmitted from the tablet computer 100 by using a streaming method, and projects the received i...
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A projection device is connected to an information processing apparatus via a network. The projection device includes: a communication processing unit that, after transmitting information indicating that connection is possible, receives, from the information processing apparatus, exchange data that includes apparatus identification information for identifying the information processing apparatus and a designated projection mode out of multiple projection modes; an apparatus identifying unit that identifies the information processing apparatus that transmits the exchange data, by using the apparatus identification information included in the received exchange data; a mode switching unit that switches a projection mode of the projection device to the designated projection mode included in the received exchange data; and a projecting unit that, in accordance with the switched projection mode, projects an image received from the identified information processing apparatus. The invention also provides a projection system and a projection method.
Description
[0001] Cross References to Related Applications [0002] This application claims priority from Japanese Patent Application No. 2014-162917 filed on Aug. 8, 2014, the entire contents of which are hereby incorporated by reference. technical field [0003] The invention relates to a projection device, a projection system and a projection method. Background technique [0004] There is a known technique whereby an information processing device such as a tablet is connected to a projection device such as a projector via a wireless local area network (LAN), and an image is transmitted from the information processing device to the projection device by using a streaming method, Thereby the image on the screen of the information processing apparatus can be projected as it is in real time by the projection means. [0005] For example, there is a disclosure of a projection system in which various types of content information are delivered together with the projection of an image when t...
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IPC IPC(8): H04N21/436H04N21/41
CPCH04N21/4126H04N21/43615G06F3/1454G09G2370/042H04N21/4122G09G5/006G09G2370/16
Inventor 齐藤敦
Owner RICOH KK