Low-latency analog wireless image transmission drone controller

Abstract

This invention discloses a drone controller for low-latency analog wireless video transmission, comprising a controller body, a signal conversion module, and an analog video transmission module. The controller body has a built-in display screen and an HDMI output interface, and internally houses an image processing unit and a wireless communication module. The wireless communication module receives video signals transmitted from the drone, processes them through the image processing unit, and then simultaneously outputs them to the built-in display screen and the HDMI output interface. The signal conversion module converts the digital HDMI video signal output from the HDMI output interface into an analog CVBS composite video signal, which is then modulated to a preset radio frequency band by the analog video transmission module and wirelessly transmitted via an antenna, allowing FPV glasses to directly receive, demodulate, and display the video, achieving a low-latency viewing effect.

Claims

1. A low-latency analog wireless image transmission drone controller, comprising: A controller body has a housing with a built-in display screen and an HDMI output interface. Internally, it houses an image processing unit and a wireless communication module. The wireless communication module receives image signals transmitted from a drone, processes them through the image processing unit, and then simultaneously outputs them to the built-in display screen and the HDMI output interface. The HDMI output interface outputs digital HDMI image signals originating from the built-in display screen. A signal conversion module, electrically connected to the HDMI output interface, converts the digital HDMI image signal into an analog CVBS composite video signal. An analog image transmission module, electrically connected to the signal conversion module, modulates the analog CVBS composite video signal to a preset radio frequency band and transmits it wirelessly via an antenna, enabling FPV glasses with corresponding frequency band analog image reception capabilities to directly receive, demodulate, and display the signal.

2. The drone controller for low-latency analog wireless video transmission as described in claim 1, wherein the HDMI output interface is a USB Type-C connector and supports HDMI Alternate Mode output.

3. The drone controller for low-latency analog wireless image transmission as described in claim 1 or 2, wherein the signal conversion module and the analog image transmission module are integrated into a detachable external module, which is detachably electrically connected to the HDMI output interface via a plug-in connector.

4. The drone controller for low-latency analog wireless image transmission as described in claim 3, wherein the detachable external module is provided with a channel switching switch, which is electrically connected to the analog image transmission module for selecting one of the multiple channels in the preset radio frequency band.

5. The UAV controller for low-latency analog wireless image transmission as described in claim 3, wherein the detachable external module is provided with an output power adjustment switch, the output power adjustment switch being electrically connected to the analog image transmission module for switching the transmission power of the analog image transmission module.

6. The drone controller for low-latency analog wireless video transmission as described in claim 3, wherein the detachable add-on module obtains power through the VBUS terminal of the HDMI output interface.

7. A drone controller for low-latency analog wireless image transmission as described in claim 1 or 2, wherein the signal conversion module and the analog image transmission module are jointly disposed inside the controller body, and an RF antenna connector corresponding to the analog image transmission module is provided on the outer shell of the controller body.

8. The UAV controller for low-latency analog wireless image transmission as described in claim 7, wherein the controller body is provided with a channel switching switch, the channel switching switch being electrically connected to the analog image transmission module for selecting one of the multiple channels in the preset radio frequency band.

9. The UAV controller for low-latency analog wireless image transmission as described in claim 7, wherein the controller body is provided with an output power adjustment switch, the output power adjustment switch being electrically connected to the analog image transmission module for switching the transmission power of the analog image transmission module.

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