Gimbal system

Abstract

A gimbal system includes an angle adjusting assembly, a digital video transmitter, and a holder. The angle adjusting assembly is configured to support an imaging device and includes an electronic adjuster configured to control a rotation speed of a motor. The digital video transmitter includes a video converter configured to convert a digital video signal obtained from the imaging device to a serial differential signal, a transmission circuit electrically coupled to the video converter, and an image transmitter electrically coupled to the transmission circuit and configured to receive and transmit the serial differential signal. The holder includes a first surface and a second surface opposite to each other. The angle adjusting assembly is pivotally connected to and arranged on the first surface of the holder, and the transmission circuit is arranged on the second surface of the holder.

What is claimed is: 
     
         1 . A gimbal system, comprising:
 an angle adjusting assembly configured to support an imaging device, the angle adjusting assembly including an electronic adjuster configured to control a rotation speed of a motor;   a digital video transmitter including:
 a video converter configured to convert a digital video signal obtained from the imaging device to a serial differential signal; 
 a transmission circuit electrically coupled to the video converter; and 
 an image transmitter electrically coupled to the transmission circuit and configured to receive and transmit the serial differential signal; and 
   a holder including a first surface and a second surface opposite to each other, wherein the angle adjusting assembly is pivotally connected to and arranged on the first surface of the holder, and the transmission circuit is arranged on the second surface of the holder.   
     
     
         2 . The digital video transmitter of  claim 1 , wherein the transmission circuit includes an electrical slip ring, and the electrical slip ring includes a ring and a plurality of needle seats coupled to the ring. 
     
     
         3 . The gimbal system of  claim 2 , wherein the ring is pivotally connected with a rotating shaft of the motor, the ring being configured to rotate substantially synchronously with the rotating shaft when the motor adjusts an attitude of the imaging device. 
     
     
         4 . The gimbal system of  claim 2 , wherein the plurality of needle seats include a communication bus pin, a USB+ pin, and a USB− pin. 
     
     
         5 . The gimbal system of  claim 1 , wherein the digital video transmitter further comprises a gimbal controller electrically coupled between the transmission circuit and the image transmitter. 
     
     
         6 . The gimbal system of  claim 5 , wherein the gimbal controller and the image transmitter are arranged on the first surface of the holder. 
     
     
         7 . The gimbal system of  claim 5 , wherein the transmission circuit includes an electrical slip ring, the electrical slip ring includes a ring and a plurality of needle seats coupled to the ring, and the plurality of needle seats are electrically coupled to the gimbal controller through a flexible circuit board. 
     
     
         8 . The gimbal system of  claim 5 , wherein the gimbal controller includes a filter configured to filter an interference introduced by the motor or the electronic adjuster. 
     
     
         9 . The gimbal system of  claim 8 , wherein the electronic adjuster is electrically coupled between the filter and the motor, and configured to control the motor to adjust at least one of a pitch, roll, or yaw angle of the imaging device. 
     
     
         10 . The gimbal system of  claim 5 , further comprising:
 a differential signal transmission line electrically coupled between the gimbal controller and the image transmitter.   
     
     
         11 . The gimbal system of  claim 10 , wherein the differential signal transmission line includes a communication bus, a USB+ line, and a USB-line. 
     
     
         12 . The gimbal system of  claim 5 , wherein:
 the motor is a first motor, the electronic adjuster is a first electronic adjuster, and the gimbal controller includes a first filter configured to filter a first interference introduced by the first motor or the first electronic adjuster; and   the digital video transmitter further comprises:
 a second filter electrically coupled between the transmission circuit and the video converter, and configured to filter a second interference introduced by a second motor or a second electronic adjuster controlling a rotation speed of the second motor. 
   
     
     
         13 . The gimbal system of  claim 12 , wherein the digital video transmitter further comprises:
 a third filter electrically coupled between the second filter and the video converter, and configured to filter a third interference introduced by a third motor or a third electronic adjuster controlling a rotation speed of the third motor.   
     
     
         14 . The gimbal system of  claim 13 , further comprising:
 a first differential signal transmission line electrically coupled between the gimbal controller and the image transmitter;   a second differential signal transmission line electrically coupled between the second filter and the third filter; and   a third differential signal transmission line electrically coupled between the third filter and the video converter,   wherein at least one of the first differential signal transmission line, the second differential signal transmission line, or the third differential signal transmission line includes an optical fiber or a flexible circuit board.   
     
     
         15 . The gimbal system of  claim 1 , wherein a number of output signal lines for the video converter is less than a number of input signal lines for the video converter. 
     
     
         16 . A gimbal system, comprising:
 a main controller configured to detect posture information of an imaging device;   an angle adjusting assembly configured to support the imaging device, and adjust an attitude of the imaging device based on the posture information;   a digital video transmitter configured to transmit a digital video signal obtained from the imaging device, the digital video transmitter including an image transmitter electrically coupled to the angle adjusting assembly through a transmission circuit; and   a holder including a first surface and a second surface opposite to each other, wherein the angle adjusting assembly is pivotally connected to and arranged on the first surface of the holder, and the transmission circuit is arranged on the second surface of the holder.   
     
     
         17 . The gimbal system of  claim 16 , wherein the angle adjusting assembly includes an electronic adjuster configured to control a rotation speed of a motor to adjust the attitude of the imaging device. 
     
     
         18 . The gimbal system of  claim 16 , wherein the digital video transmitter further includes:
 a video converter configured to convert the digital video signal to a serial differential signal.   
     
     
         19 . The gimbal system of  claim 16 , wherein the transmission circuit includes an electrical slip ring, and the electrical slip ring includes a ring and a plurality of needle seats coupled to the ring. 
     
     
         20 . The gimbal system of  claim 19 , wherein the ring is pivotally connected with a rotating shaft of a motor to adjust the attitude of the imaging device, the ring being configured to rotate substantially synchronously with the rotating shaft when the motor adjusts the attitude of the imaging device.