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System for transmitting data on two relatively-rotating ends and data transmitting method thereof

A data transmission method and data transmission technology, which are applied in the field of optical fiber communication and free space optical communication, can solve the problems of difficult processing and installation, high cost of data transmission system, etc., and achieve the effect of low cost, good application prospect and simple structure

Active Publication Date: 2012-07-25
SUZHOU INST OF BIOMEDICAL ENG & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] In view of the above deficiencies in the prior art, the purpose of the present invention is to provide a system and a data transmission method for transmitting data at two ends of relative rotation, aiming at solving the problem of the high cost of the existing data transmission system between the rotating end and the fixed end. , Difficulty in processing and installation, etc.

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  • System for transmitting data on two relatively-rotating ends and data transmitting method thereof
  • System for transmitting data on two relatively-rotating ends and data transmitting method thereof
  • System for transmitting data on two relatively-rotating ends and data transmitting method thereof

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Embodiment 1

[0047] see figure 1, which is a schematic diagram of a system for transmitting data at two ends of relative rotation according to the first embodiment of the present invention. As shown in the figure, the system includes a fixed end and a rotating end. The rotating end rotates around the center of rotation 9. Compared with the rotating end, the fixed end is closer to the center of rotation and is relatively fixed. of. Wherein, the outer end of the rotating end is uniformly provided with a collimating emitter 1, and the emission beam of the collimating emitter 1 points to the center of rotation 9; The mirror 2 is provided with a receiving device 3 at the mirror position of the rotation center 9 of the symmetry axis; In this way, the light is emitted from the outside to the inside, which does not have any physical space obstacles in the hollow rotating structure similar to CT. In the prior art, all the emitting devices emit light beams at a certain angle to the outside relati...

Embodiment 2

[0050] read on figure 2 , which is a schematic diagram of a system for transmitting data at two ends of relative rotation according to a second embodiment of the present invention. As shown in the figure, by adding a second plane reflector 4 with an optimal angle and position, the light beam is reflected several times between the two plane reflectors 2 and 4, and finally converges to the position of the receiving device 3, through which This method can effectively compress the occupied space (in this embodiment, the interval between the collimated emitters 1 is also 45 degrees).

[0051] combine figure 1 with figure 2 From the point of view, the structure of this embodiment is basically the same as that of the first embodiment, the main difference is: a second plane reflector 4 is arranged on the reflector refraction optical path of the first plane reflector 2, and the first plane reflector 4 The plane reflector 2 reflects the light beam emitted by the collimating emitter...

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Abstract

The invention discloses a system for transmitting data on two relatively-rotating ends, which comprises a fixing end and a rotating end, wherein the outer end of the rotating end is provided with an alignment emitter; emitted light beams of the alignment emitter are pointed to a rotating centre; a reflective mirror is mounted on the fixing end; the reflective mirror is used for reflecting the light beams emitted by the alignment emitter; and the system also comprises a receiving device arranged on a reflected light beams converging position of the reflective mirror. According to the invention, the system for transmitting the data is characterized by simple structure, small volume, high efficiency and low cost; and the method for transmitting data is characterized by good stability of data transmission, no data rate limit theoretically and good application prospect.

Description

[0001] technical field [0002] The invention relates to the technical field of optical fiber communication and free space optical communication, in particular to a system and a data transmission method for transmitting data at two ends of relative rotation. [0003] Background technique [0004] During the scanning process of spiral CT (electronic computer X-ray tomography technique), the detector will continuously collect a large amount of image data, which will be transmitted to the computer for processing to obtain a CT image. During CT scanning, the rotating gantry of CT will rotate at high speed, which brings two problems. One is how to transmit the power and control signals required for the operation of the rotating gantry from the fixed end to the rotating end stably, continuously and efficiently. How to transmit the data collected by the detector stably, continuously and at high speed from the rotating end to the fixed end. If a wired connection is adopted, the CT...

Claims

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Application Information

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IPC IPC(8): H04B10/10G02B6/42H04B10/11
Inventor 付威威刘敏杨磊高飞
Owner SUZHOU INST OF BIOMEDICAL ENG & TECH