Wireless communication module, remote control device and wireless system
A wireless communication module and wireless communication technology, applied in the signal transmission system, transmission system, communication between multiple stations, etc., can solve the problem that the user cannot transmit, cannot receive RF signals on time, and cannot know whether there is a failure to receive RF signals. control data, etc.
Inactive Publication Date: 2011-11-30
SMK CO LTD
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Problems solved by technology
[0004] In the case of remote control of control data from the RF remote controller to the controlled device through RF communication, the controlled device may not correctly receive the RF signal from the RF remote controller due to the influence of external noise on the RF communication.
Even if the controlled device can receive the RF signal later, on the side of the controlled device, it is impossible to know whether there is any unreceived control data
Even if it is known that there is control data that cannot be received, it is impossible to determine at what time the control data was not received
In this way, for the RF remote controller, sometimes the controlled device cannot receive the RF signal on time, and cannot correctly transmit the user's instructions to the controlled device
Method used
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[0056] The present invention will be described below through embodiments of the invention, but the following embodiments do not limit the invention according to the claims. In addition, not all combinations of the features described in the embodiments are essential to the solution means of the invention.
[0057] figure 1 An example of a block configuration of an RF communication system 1 according to an embodiment is shown. The RF communication system 1 has a remote control device 10 and a controlled device 20 that communicate with each other wirelessly. The remote control device 10 transmits control data representing the user's operation instruction to the controlled device 20 through wireless communication, thereby remotely controlling the controlled device 20 . The wireless communication between the remote control device 10 and the controlled device 20 is performed in compliance with a short-range wireless communication standard such as ZigBee (registered trademark) as a...
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The invention relates to a wireless communication module, a remote control device and a wireless system. In the wireless remote control, the user's operation intention can be correctly transmitted to the controlled equipment. The wireless communication module transmits control data for controlling the controlled device through wireless communication to remotely control the controlled device, and the wireless communication module includes: a communication control unit for generating transmission data, the transmission data sequence data indicating the transmission sequence is added to the control data to be sequentially transmitted to the controlled device; and the communication unit sequentially outputs the transmission data generated by the communication control unit through a wireless signal. The wireless communication module further has a transmission buffer for storing transmission data, and the communication control unit transmits the transmission data held in the transmission buffer from the communication unit through the wireless signal when transmitting the transmission data to the controlled device again. output.
Description
technical field [0001] The invention relates to a wireless communication module, a remote control device and a wireless system. Background technique [0002] An RF communication module is known that can remotely control a controlled device controlled by infrared communication by wireless communication (for example, refer to Patent Document 1). [0003] Patent Document 1: Specification of Japanese Patent No. 4283305 [0004] When remotely controlling control data from an RF remote controller to a controlled device through RF communication, the controlled device may not correctly receive the RF signal from the RF remote controller due to the influence of external noise on the RF communication. Even if the controlled device can receive the RF signal later, on the side of the controlled device, it is impossible to know whether there is control data that could not be received. Even if it is known that there is control data that could not be received, it cannot be determined at ...
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IPC IPC(8): H04B1/04H04B1/16H04B7/26
CPCG08C17/02G08C2201/50
Inventor 白井慎一郎墨菲·保罗
Owner SMK CO LTD