CN-224218435-U - Unidirectional data transmitting device, unidirectional data receiving device and unidirectional data transmission system
Abstract
The utility model discloses unidirectional data transmitting equipment, unidirectional data receiving equipment and a unidirectional data transmission system. The unidirectional data transmission equipment comprises a CPU, a network port, a prompt light transmission module and a display screen, wherein the prompt light transmission module comprises a prompt lamp, the prompt light transmission module is electrically connected with the display screen, the CPU is electrically connected with the display screen, and the network port is electrically connected with the CPU. The unidirectional data receiving device comprises a CPU, a network port, a prompt light receiving module and a camera, wherein the prompt light receiving module is electrically connected with the camera, the CPU is electrically connected with the camera, and the network port is electrically connected with the CPU. The unidirectional data transmitting device and the unidirectional data transmitting system provided by the utility model have the advantages that the transmitting device can refresh the image without a response signal, the receiving device can determine that the image refreshing is finished according to the prompting light without a response signal, the unidirectional data transmission efficiency and speed are improved, and the unidirectional data transmission is realized.
Inventors
- ZHANG JIANWU
- ZHANG TONGGUI
- REN SHILONG
- ZHANG YUTING
Assignees
- 合肥阳光零碳技术有限公司
Dates
- Publication Date
- 20260508
- Application Date
- 20250418
Claims (10)
- 1. The unidirectional data transmission device is characterized by comprising a first CPU, a first network port, a prompt light transmission module and a display screen, wherein the prompt light transmission module comprises a prompt lamp, and the prompt light transmission module is electrically connected with the display screen; The first CPU is used for receiving a target data signal through the first internet access, converting the target data signal into a target image signal and then sending the target image signal to the display screen; The display screen is used for displaying the target image after receiving the target image signal and generating a vertical synchronizing signal after the target image refreshing is completed; The prompt light sending module is used for lighting the prompt light after detecting the vertical synchronous signal, wherein the prompt light is used for prompting the unidirectional data receiving equipment to identify the target image.
- 2. The device of claim 1, wherein the cue light transmission module comprises an infrared transmission module and the cue light comprises an infrared light.
- 3. The device of claim 1 or 2, wherein the interface to which the first CPU is electrically connected to the display screen comprises an RGB interface.
- 4. The apparatus of claim 1, wherein a level of the vertical synchronization signal before completion of the refresh of the target image is higher than the vertical synchronization signal after completion of the refresh.
- 5. The unidirectional data receiving device is characterized by comprising a second CPU, a second network port, a prompt light receiving module and a camera, wherein the prompt light receiving module is electrically connected with the camera; The prompt light receiving module is used for sending a trigger signal to the camera after recognizing the prompt light sent by the unidirectional data sending equipment; The camera is used for identifying a target image displayed by the unidirectional data transmission equipment after receiving the trigger signal and transmitting the identified target image signal to the second CPU; The second CPU is used for converting the target image signal into a target data signal and sending the target data signal through the second network port.
- 6. The device of claim 5, wherein the prompt light receiving module is specifically configured to send a trigger signal to an external trigger pin built in the camera after identifying a prompt light sent by the unidirectional data sending device.
- 7. The device according to claim 5 or 6, wherein the camera is specifically configured to trigger global exposure to capture a target image displayed by the unidirectional data transmission device after the trigger signal is received by the built-in external trigger pin.
- 8. The apparatus of claim 5, wherein the trigger signal is a rising edge signal.
- 9. The apparatus according to claim 5 or 8, wherein the prompt light receiving module is an infrared receiving module when the prompt light emitted from the unidirectional data transmitting apparatus is an infrared light.
- 10. A unidirectional data transmission system is characterized by comprising unidirectional data transmission equipment and unidirectional data receiving equipment; wherein the unidirectional data transmission apparatus is the unidirectional data transmission apparatus as claimed in any one of claims 1 to 4, and the unidirectional data reception apparatus is the unidirectional data reception apparatus as claimed in any one of claims 5 to 9.
Description
Unidirectional data transmitting device, unidirectional data receiving device and unidirectional data transmission system Technical Field The present utility model relates to the field of information transmission technologies, and in particular, to a unidirectional data transmitting device, a unidirectional data receiving device, and a unidirectional data transmission system. Background The unidirectional transmission system based on the camera comprises two devices, namely a transmitting end and a receiving end, wherein a display of the transmitting end displays two-dimension code information, and the receiving end camera shoots the two-dimension code and decodes the two-dimension code to realize unidirectional transmission of data. However, the current unidirectional transmission system generally has a problem of low unidirectional transmission rate. Disclosure of utility model The utility model provides a unidirectional data transmitting device, a unidirectional data receiving device and a unidirectional data transmission system, which ensure unidirectional transmission and solve the problem of low unidirectional transmission rate. The unidirectional data transmitting device comprises a first CPU, a first internet access, a prompt light transmitting module and a display screen, wherein the prompt light transmitting module comprises a prompt lamp, the prompt light transmitting module is electrically connected with the display screen, the first CPU is electrically connected with the display screen, the first internet access is electrically connected with the first CPU, the first CPU is used for receiving a target data signal through the first internet access, converting the target data signal into a target image signal and transmitting the target image signal to the display screen, the display screen is used for displaying a target image after receiving the target image signal and generating a vertical synchronous signal after refreshing of the target image is completed, and the prompt light transmitting module is used for lighting the prompt lamp after detecting the vertical synchronous signal, wherein the prompt lamp is used for prompting the unidirectional data receiving device to identify the target image. Further, the prompt light sending module comprises an infrared sending module, and the prompt light comprises an infrared lamp. Further, the interface that the first CPU is electrically connected with the display screen comprises an RGB interface. Further, the level of the vertical synchronization signal before the refresh of the target image is completed is higher than that of the vertical synchronization signal after the refresh is completed. The unidirectional data receiving device comprises a second CPU, a second network port, a prompt light receiving module and a camera, wherein the prompt light receiving module is electrically connected with the camera, the second CPU is electrically connected with the camera, the second network port is electrically connected with the second CPU, the prompt light receiving module is used for sending a trigger signal to the camera after recognizing prompt light sent by the unidirectional data sending device, the camera is used for recognizing a target image displayed by the unidirectional data sending device after receiving the trigger signal and sending the recognized target image signal to the second CPU, and the second CPU is used for converting the target image signal into a target data signal and sending the target data signal through the second network port. Further, the prompt light receiving module is specifically configured to send a trigger signal to an external trigger pin built in the camera after identifying the prompt light sent by the unidirectional data sending device. Further, the camera is specifically configured to trigger global exposure to capture a target image displayed by the unidirectional data transmission device after the built-in external trigger pin receives the trigger signal. Further, the trigger signal is a rising edge signal. Further, when the prompt light sent by the unidirectional data sending device is infrared light, the prompt light receiving module is an infrared receiving module. A unidirectional data transmission system comprises unidirectional data transmission equipment and unidirectional data receiving equipment, wherein the unidirectional data transmission equipment is the unidirectional data transmission equipment, and the unidirectional data receiving equipment is the unidirectional data receiving equipment. The unidirectional data transmitting device provided by the utility model can generate the vertical synchronous signal after the image refreshing is finished, and the prompt lamp is lightened through the signal to realize the prompt of identifying the target image by the unidirectional data receiving device, so that the image can be refreshed without waiting for the response signal sent by the receiving device,