Interactive light-emitting diode (LED) display screen using infrared address signals
A technology of LED display screen and address signal, applied in the field of optoelectronic information
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[0018] Specific embodiment one: see figure 1 with image 3 This embodiment will be described. The interactive LED display using infrared address signals in this embodiment includes an image display LED display 1A, a display signal generator 7A, and a main controller 8A. The display control signal output terminal of the display signal generator 7A is connected to the image The control signal input terminal of the display LED display 1A, the display control signal output terminal of the main controller 8A is connected to the control signal input terminal of the display signal generator 7A; the image display LED display 1A is set around each light-emitting diode There are light barriers, and each light-emitting diode and the surrounding light barriers form a light-emitting unit; the interactive LED display using infrared address signals of the present invention also includes multiple infrared diodes 10A, infrared pens 4A, and address signals The generator 5A and the address determ...
Example Embodiment
[0020] Embodiment 2: The difference between this embodiment and the interactive LED display using infrared address signals described in Embodiment 1 is that the infrared pen 4A is implemented by an infrared receiving diode.
[0021] In the actual use process of the interactive LED display using infrared address signals described in this embodiment, the image display LED display 1A displays text or images under the control of the main controller 8A to realize the display function. The address signal generator 5A controls each infrared diode 10A to emit an infrared light encoding signal. The user uses an infrared pen 4A to move on the surface of the image display LED display 1A. When the infrared pen 4A receives a certain infrared diode 10A to emit an infrared light encoding signal When the infrared light code signal is sent to the address determiner 6A; since each light-emitting unit is provided with an infrared diode 10A, each infrared diode 10A and the image display the position ...
Example Embodiment
[0023] Embodiment 3: The difference between this embodiment and the interactive LED display using infrared address signals described in Embodiment 1 or 2 is that the infrared pen 4A is provided with a button switch, and the button switch is connected in series Between the infrared pen 4A and the address determiner 6A.
[0024] In this embodiment, a button switch is added to the infrared pen 4A. In actual use, the holder can press the button switch as needed when using the infrared pen to click on the screen surface. When the button switch is pressed, the address information It is sent to the address determiner 6A to prevent misoperation.
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