CN101167276B - Multi-channel data transmission system for computer tomographs - Google Patents
Multi-channel data transmission system for computer tomographs Download PDFInfo
- Publication number
- CN101167276B CN101167276B CN2005800493703A CN200580049370A CN101167276B CN 101167276 B CN101167276 B CN 101167276B CN 2005800493703 A CN2005800493703 A CN 2005800493703A CN 200580049370 A CN200580049370 A CN 200580049370A CN 101167276 B CN101167276 B CN 101167276B
- Authority
- CN
- China
- Prior art keywords
- signal
- data
- equipment
- coupler
- transmission conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 86
- 239000004020 conductor Substances 0.000 claims abstract description 52
- 230000011218 segmentation Effects 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 4
- 238000001228 spectrum Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000012432 intermediate storage Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/56—Details of data transmission or power supply, e.g. use of slip rings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
- H04B10/801—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Signal Processing (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Veterinary Medicine (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Electromagnetism (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
A device in accordance with the invention for transmitting data between a rotating part and a stationary part of a computer tomograph comprises at least two couplers and receivers connected therewith for receiving signals from a transmission conductor arrangement. Using an evaluation means, a signal is selected from signals received by the receiver on the basis of at least one given quality criterion.
Description
Technical field
The present invention relates to a kind of data transmission system that is used for transmission data between the rotating part of Computerized roentgenographing apparatus and stationary part, and the Computerized roentgenographing apparatus that comprises the respective transmissions system.
Prior art
Be used for equipment in Computerized roentgenographing apparatus transmission data by US6,433,631B1 is known.Transmission signals acts on the band line in the rotating part.The tap that guides in the short distance from the about 1mm of band line is provided on the stationary part.This equipment only allows to transmit simultaneously a data channel (data flow).And, signal when tap just transmits through the separation between online and the terminating resistance, also possibly occur and disturb or the loss of signal.This situation is crucial especially when different line lengths, for example because manufacturing tolerance and possibly occurring.
US6,327,327 B1 disclose and have been used for transmitting simultaneously equipment a plurality of signals, that comprise a plurality of transmitters and a plurality of receivers.Yet problem in this case is when sliding contact just leaves a conductor segment, between each sliding contact or conductor, to switch and switch to next conductor segment.In case signal is an about data bit through the propagation time of conductor segment, signal is with distortion or bit is left in the basket or repeatedly transmission of quilt.
US6,650,843 disclose and have also had comprising of the problems referred to above of a plurality of transmitters and the optical transmission device of a plurality of receivers.
Summary of the invention
Problem of the present invention is the data transmission system that proposes to comprise alternatively a plurality of transmitters and/or a plurality of receivers, and data degradation does not take place the separation place in this system between transmitter and/or receiver or transmission is disturbed.
According to the present invention, the solution of problem provides in independent claims hereto.Improvement of the present invention constitutes the theme of dependent claims.
The equipment that is used for transmission data between the rotating part 1 of Computerized roentgenographing apparatus and stationary part 2 according to the present invention is included at least one data source 4 and at least one data sink 5 on stationary part on the rotating part.Said data source for example can be X-ray detector 103 or its DAS (data-acquisition system), or any other control device or computer.Data sink can be the computer 106 that is used to analyze with deal with data, but also can be the Different control unit.
At least one first dispensing device 8 also is provided and by the transmission conductor device 6 of its feed signal at rotating part.Such first dispensing device receives data from data source, and said data are changed, and is used for being transmitted by the transmission conductor device.The transmission conductor device comprises at least one conductor, is used for conduction electro-magnetic wave, and this conductor preferably is connected to rotating part along at least one ring segment or circular path.The transmission conductor device for example can comprise mechanical slip rings, contactless charge coupled device, such as inductive or capacitive couplings element, perhaps also comprises fiber waveguide.The transmission conductor device also can comprise multiple different coupling combination of elements.
At stationary part at least one first receiving device 9 is provided also, it is by receiving coupler device 7 feed signals.Receive coupler device and have at least two couplers, at least one coupler any time during the transmission engages with the transmission conductor device.
Coupler is configured to be matched with the transmission conductor device.Therefore the capacitive couplings surface for example can combine to use together as the band line structure of transmission conductor device.The optical prism coupler combines also can be combined into the transmission conductor device together such as the such fiber waveguide of speculum pipeline.
Receiving system is used to be forwarded to data sink to changing from the signal that transmission conductor device 6 receives by receiving coupler device 7.Receiving system comprises at least two receivers and is used to analyze the analytical equipment from the signal of receiver.Analytical equipment is analyzed the signal from least one receiver, and selects the data from least one receiver according at least one quality standard, is used to be forwarded to data sink.Replace selecting the dateout from receiver, signal or its input signal inner at receiver also can be selected or switch.At the equipment that is used for transmitting simultaneously a plurality of signals (a plurality of channel), select from receiver, corresponding to the signal of the number of signals number that will send.If for example only send individual channel, then also only select a signal, and be forwarded to data sink from receiver.
Except quality standard, other switching signal, for example position signalling or be included in other signal in the data flow and also can be used to switch.
Can be used to send alternatively data flow or send a plurality of data flow simultaneously according to equipment of the present invention.Data flow can be divided into a plurality of parallel data streams in data source or the multiplexer in emitter through using.Data can be sent out with the form of each packet.Advantageously, content is encoded, so that allow to be identified in the error of transmission in the packet.In the demultiplexer in receiving system or data sink, data can be verified, so that transmission correctly, and the packet of twice of any transmission can be rejected or ask again lost data packets.
Equipment advantageously is configured to allow signal between rotor and stator, to be sent out with any anglec of rotation.Alternatively, only just can transmit in certain location or in specific zone.
Obviously, not only can in Computerized roentgenographing apparatus, use, and can use at other medical diagnosis system and in general rotation transformation task according to transmission equipment of the present invention.It also can be at general transformation task, especially in parts moving linearly, use.
Particularly advantageous embodiment of the present invention provides spectrum distribution, FER, parity error rate and/or the bit error rate of input signal amplitude, signal to noise ratio, jitter amplitude, signal as at least one quality standard alternatively.
For example, can select to have the receiver of best in quality from a plurality of receivers.Easily, hysteresis is provided also, to avoid too frequent switching.
Select also can control through a plurality of quality standards.Choice criteria therefore can based on a plurality of parameters, by factor regulation or dynamic calculation by the combination of weighting, for example pass through different weightings, perhaps in addition have time series or with the weighting of time correlation.For example, can such as signal amplitude, make first and select decision according to the parameter of quick measurement.In order to optimize, can add standard, such as bit error rate through relatively long Measuring Time.
In another embodiment of the present invention, for the transmission medium certain components,, be configured for the transmission light signal such as dispensing device 8, transmission conductor device 6, receiving system 9 and reception coupler device 7.
Alternatively, for the transmission medium certain components,, can be configured for and transmit the signal of telecommunication or other electromagnetic field and ripple such as dispensing device 8, transmission conductor device 6, receiving system 9 and reception coupler device 7.
In another advantageous embodiments of the present invention, the transmission conductor device is divided into a plurality of segmentations, and receives coupler device and have at least than the segmentation number of transmission conductor device and Duo one coupler.This allows seamless transmission and does not have data degradation.
An alternative embodiment of the invention provides at least one buffer memory, is used for the data that intermediate storage receives, and it can be used to during switching transition between the different received machine or process, prevent data degradation.Such intermediate store can be used to store independent bit or sizable packet if suitably.
Other embodiments of the invention provide the data of a plurality of receptions that will be deleted.
In another embodiment, transmission conductor device (6) is divided into a plurality of segmentations, and each segmentation is by dispensing device (8) feed signal, so that the almost mutual alternatively homophase of the bit clock pulse of adjacent sectional or frame clock pulse.This has the following advantages: the one or more PLL that in receiver, exist can not lose between via the transmission period of each coupler synchronously between the segmentation of device for transmitting and coupling.The data degradation of each bit or frame can be compensated through corresponding buffer memory.
In another embodiment, have that the data circulation of relatively low data rate is multiplexed excessively to be added on the primary traffic.Data flow with relatively low data rate preferably has the clock rate that becomes the integer ratio with the data rate of primary traffic.Receiver can be decoded to data stream through over-sampling, proofreaies and correct it with digital form then.Alternatively, also can use two parallel receive channels with different data rates.
Computerized roentgenographing apparatus according to the present invention comprises that at least one is used to carry out the equipment of the communication of aforementioned regulation.
For simplicity, present specification relates to the transmission from the rotating part of Computerized roentgenographing apparatus to standing part.Obviously, also can in opposite transmission direction, use according to equipment of the present invention.Likewise, also can use according to equipment of the present invention and to use, and be used for the linear transfer of two unit that move mutually equally at other that is used for rotating transmission.
Transmission direction is selected as from the rotor to the stator, because this is the most common application.But transmission in the opposite direction or transmitted in both directions also are possible.
After this by way of example, describe the present invention according to embodiment, and can not limit universal of the present invention thus with reference to accompanying drawing, among the figure:
Fig. 1 schematically shows the general type of Computerized roentgenographing apparatus;
Fig. 2 schematically shows the configuration of transmission/receiving system;
Fig. 3 schematically shows the configuration of optical transmission; And
Fig. 4 schematically shows device for transporting electricity at heavy.
Fig. 1 shows according to equipment of the present invention as an example.Computerized roentgenographing apparatus (CT scanner) comprises two main mechanical parts.Stationary part 2 is as the substrate and the bearing that are used for integral device, and rotating part 1 rotates on this substrate and bearing.Patient 104 lies on the supporting station 107 in the perforate of rotating part.X-ray tube 101 and the detector 103 that is arranged on the reverse side of said X-ray tube are provided with X ray 102 scan patients.X-ray tube 101 is arranged on the rotating part 1 with detector 103 with being rotated.Rotation junction surface 3 is used to be formed on being electrically connected between rotating part 1 and the stationary part 2.In this case, be used for being transmitted, and simultaneously, the initial data of image is transmitted in opposite direction to the high electrical power of X-ray tube 101 feeds direction along rotating part 1.The transmission of the control information on this both direction is provided simultaneously.Analysis and control unit 106 are used to operational computations machine roentgenographing apparatus, and the image that is used for showing generation.Be connected 105 and realize via two-way with the communication of Computerized roentgenographing apparatus.
Fig. 2 shows the exemplary configuration that comprises for the Computerized roentgenographing apparatus of the needed parts of transmission according to of the present invention with the form of simplifying.Data from the data source on the rotating part 14 (carrying out the detector 103 or the DAS of later signal processing) are processed through using first dispensing device 8; And being forwarded to the transmission conductor device, it is shown as as an example in this example and comprises three parts 6a, 6b, 6c.This transmission conductor device conducts high-frequency signal then.High-frequency signal is received coupling device 7 and picks up.The reception coupler device that is shown as an example is the device that is rigidly connected to rest frame.Be forwarded to first receiving device 9 by this signal that receives coupler device 7 interceptings, be used for handling.Output signal from said receiving system is directed into data sink 5 then.
Fig. 3 shows the device of optical transmission with the form of simplifying.Dispensing device 8 is configured to light sending device, and it is fed to light signal in the optical transmission conductor means 6 that comprises closed optical transmission conductor.For the sake of clarity, transmission conductor is the single type structure ideally, is divided into first 6a of half and second half 6b of.Light signal, and is propagated in two and half 6a of and 6b by feed-in in the position of dispensing device 8 in opposite direction.Advantageously, light absorber is positioned at terminal position 10.Yet absorber that also can be such according to device of the present invention carries out work.In this case, hope to use the transmission conductor device with remarkable decay, preferably each rotation decay is greater than 6dB, and particularly advantageous is that each rotation decay is greater than 12dB.Therefore in this case, application of the present invention allows to use the cheap transmission conductor with higher relatively decay.Receive coupler device and have two directed reception coupler 7a and 7b that select.In this example, receive coupler 7a and be configured to receive clockwise signal, be used to receive anticlockwise signal and receive coupler 7b.Be directed into receiving system 9 from these signals that receive coupler, they are further handled there.Advantageously, select to have the signal of minimum bit error rate and minimum FER from this reception coupler 7a, 7b.Particularly advantageous algorithm is check frame mistake or parity error; And receiving the coupler place at another simultaneously in case the mistake of given number in a reception coupler, occurs does not have to occur or less mistake only occurs, just switches to another and receives coupler.
To begin to describe the operational mode of this device widdershins from the point of dispensing device 8 based on comprising the receiving system that receives coupler below along the cycle period of transmission conductor device.In the position of dispensing device 8, two reception coupler 7a and 7b distribute and receive position from dispensing device 8 to two and half 6a of of transmission conductor device and the signal of the equal length of 6b propagation.Then according to the beginning condition of the cycle period of front, select in two reception couplers which to receive coupler and be used to send signal.If receiving system counterclockwise moves then; Position away from dispensing device; Then second receive coupler 7b and will receive the signal that transmits at short path from dispensing device 8, and first receive coupler 7a and receive along whole border almost and transmit, therefore take place the signal of significantly decaying.Therefore select the second reception coupler 7b to be used for the signal transmission.The position 10 endways, and the signal that is received by two reception coupler 7b has equal lengths.In further motion and when therefore arriving dispensing device 8 once more, first receiving device 7a obtains the signal that on short path, transmits counterclockwise, and the second receiving system 7b obtains on long path, transmitting, therefore by the signal of decay more significantly.Select first receiving device 7a then.It will be appreciated that, in each case, switch to respectively the control that more favourable reception coupler need not add position signalling and just can realize.
Fig. 4 shows according to another device of the present invention, comprises the capacitive character transmission conductor segmentation that is divided into three parts, and each part is divided into two segmentations separately.In first, two and half 6a of of transmission conductor and 6b are by the dispensing device 8a feed signal of entreating therein.In second portion, two and half 6c of and 6d are by dispensing device 8b feed signal.At last, in third part, two and half 6e of and 6f are also by dispensing device 8c feed signal.Dispensing device 8a, 8b, 8c also can be the parts of shared dispensing device.Signal also can be in the end feed-in of transmission conductor part.Transmission conductor advantageously is closed and not reflection.In this example, they are provided to send three different data flow (channel).Four reception coupler 7a, 7b, 7c, 7d are provided to be used for receive, and these receive coupler and are connected to receiver 9a, 9b, 9c, 9d respectively.Receiver connects mutually rigidly, and they move with respect to transmitter simultaneously.Owing to provide than the transmitter number and Duoed one receiver at least; Continuous transmission around whole border is possible; Accurately be placed between two transmission conductor paths even receive coupler, because at least one corresponding coupler that receives still engages with adjacent transmission conductor parts in this case.The switching of channel allocation for example can be controlled by the signal amplitude in the receiver; Perhaps control, because in this receiver or its reception coupler, can observe just transmission through the decline of the signal amplitude of the transition between two transmission conductor segmentations and the rising of bit error rate by bit error rate.In addition or alternatively, in the data of each channel, mark that also can transfer channel.In receiving system, this information is analyzed, allow receiver to be redistributed channel then.
The size of packet (frame) is to rotating speed, is optimized by the overlapping transmission duration of disturbance that causes of antenna, the lock in time again of PLL and the velocity of wave propagation on transmitting antenna, so the persistence length that preferably disturbs is no longer than block length.Therefore, two groupings are disturbed at the most.
The characteristic of explanation can be applied to light, electricity or other transmission medium alternatively in an embodiment, and they are also irrelevant with the channel number that transmits.
Reference numerals list
1 rotating part
2 stationary parts
3 rotation junction surfaces
4 data sources
5 data sinks
6 transmission conductor devices
7 receive coupler device
8 dispensing devices
9 receiving systems
The terminal position of 10 one or more transmission conductors
101 X-ray tubes
102 X ray
103 detectors
104 patients
105 to connection
106 analyses and control unit
107 patient support platforms
Claims (17)
1. the equipment of transmission data between rotating part (1) and the stationary part (2) that is used at Computerized roentgenographing apparatus,
Wherein one in rotating part (1) and the stationary part (2) has
At least one data source (4),
At least one dispensing device (8) is used for receiving the concurrent feed signals of data from data source (4),
Transmission conductor device (6), it is used at least one the predetermined zone pilot signal along rotating part (1) by the dispensing device signal of feeding, and
Another person in rotating part (1) and the stationary part (2) comprises
Receive coupler device (7), be used to pick up signal from transmission conductor device (6),
At least one receiving system (9) is used to receive the signal from receiving coupler device,
And also have data sink, be used to analyze or further handle the data that provide by receiving system, and
Receive coupler device (7) and have at least two couplers; At least one coupler any time during the transmission engages with transmission conductor device (6), it is characterized in that receiving system comprises at least two receivers; Each receiver is connected at least one coupler; And also have analytical equipment, and being used to analyze signal from receiver, the analytical equipment basis is selected the data from least one receiver from least one predetermined quality standard of the signal of receiver; Be used to be forwarded to data sink
Wherein, dispensing device (8), transmission conductor device (6), receiving system (9) and reception coupler device (7) are configured to transmit the signal of telecommunication.
2. equipment as claimed in claim 1 is characterized in that, said data source (4) is an X-ray detector.
3. equipment as claimed in claim 1 is characterized in that said predetermined zone has the form of at least one annular segments or circular path.
4. according to the equipment of claim 1, it is characterized in that at least one quality standard comprises spectrum distribution, FER, parity error rate and/or the bit error rate of input signal amplitude, signal to noise ratio, jitter amplitude, signal.
5. according to the equipment of claim 1, it is characterized in that at least one quality standard comprises the combination by predetermined weighted factor weighting of a plurality of independent quality standards.
6. according to the equipment of claim 5, it is characterized in that said a plurality of independent quality standards comprise spectrum distribution, FER, parity error rate or the bit error rate of input signal amplitude, signal to noise ratio, jitter amplitude, signal.
7. according to the equipment of claim 1, it is characterized in that at least one quality standard comprises the combination by the factor weighting of dynamic calculation of a plurality of independent quality standards.
8. according to the equipment of claim 7, it is characterized in that said a plurality of independent quality standards comprise spectrum distribution, FER or the bit error rate of input signal amplitude, signal to noise ratio, jitter amplitude, signal.
9. according to the equipment of claim 1, it is characterized in that transmission conductor device (6) is divided into a plurality of segmentations, and receive coupler device (7) and have at least than the segmentation number of transmission conductor device and Duo one coupler.
10. according to the equipment of claim 1, it is characterized in that, buffer memory is provided, be used for the data that intermediate storage receives.
11. the equipment according to claim 1 is characterized in that, the data that repeat to receive are rejected.
12. the equipment according to claim 1 is characterized in that, transmission conductor device (6) is divided into a plurality of segmentations, and each segmentation is fed signal so that the bit clock pulse of adjacent sectional or frame clock pulse almost are mutual homophases by dispensing device (8).
13. the equipment according to claim 1 is characterized in that, at least one data channel with relatively low data rate is multiplexed on the data flow through using multichannel multiplexing method.
14. the equipment of transmission data between rotating part (1) and the stationary part (2) that is used at Computerized roentgenographing apparatus,
Wherein one in rotating part (1) and the stationary part (2) has
At least one data source (4),
At least one dispensing device (8) is used for receiving the concurrent feed signals of data from data source (4),
Transmission conductor device (6), it is used at least one the predetermined zone pilot signal along rotating part (1) by the dispensing device signal of feeding, and
Another person in rotating part (1) and the stationary part (2) comprises
Receive coupler device (7), be used to pick up signal from transmission conductor device (6),
At least one receiving system (9) is used to receive the signal from receiving coupler device,
And also have data sink, be used to analyze or further handle the data that provide by receiving system, and
Receive coupler device (7) and have at least two couplers; At least one coupler any time during the transmission engages with transmission conductor device (6), it is characterized in that receiving system comprises at least two receivers; Each receiver is connected at least one coupler; And also have analytical equipment, and being used to analyze signal from receiver, the analytical equipment basis is selected the data from least one receiver from least one predetermined quality standard of the signal of receiver; Be used to be forwarded to data sink
Wherein, transmission conductor device (6) is divided into a plurality of segmentations, and receives coupler device (7) and have at least than the segmentation number of transmission conductor device and Duo one coupler.
15. the equipment like claim 14 is characterized in that, said data source (4) is an X-ray detector.
16. the equipment like claim 14 is characterized in that, said predetermined zone has the form of at least one annular segments or circular path.
17. one kind comprises each the Computerized roentgenographing apparatus of equipment according to aforementioned claim.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005015034 | 2005-03-31 | ||
| DE102005015034.9 | 2005-03-31 | ||
| DE102005027632.6 | 2005-06-14 | ||
| DE102005027632A DE102005027632B4 (en) | 2005-03-31 | 2005-06-14 | Multi-channel data transmission system for computer tomographs |
| PCT/EP2005/012375 WO2006102935A1 (en) | 2005-03-31 | 2005-11-18 | Multi-channel data transfer system for computer tomographs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101167276A CN101167276A (en) | 2008-04-23 |
| CN101167276B true CN101167276B (en) | 2012-12-26 |
Family
ID=39334913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800493703A Active CN101167276B (en) | 2005-03-31 | 2005-11-18 | Multi-channel data transmission system for computer tomographs |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101167276B (en) |
| DE (1) | DE102005063496B4 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009060316C5 (en) * | 2009-12-23 | 2019-10-31 | Siemens Healthcare Gmbh | Device for data transmission, computed tomography device and method for data transmission |
| DE102011005910A1 (en) * | 2011-03-22 | 2012-09-27 | Siemens Aktiengesellschaft | Arrangement for contact-free transmission of electromagnetic waves of X-ray detectors between fixed and rotatable gantry parts of dual-source computer tomography system, has transmission units connected with segments and signal sources |
| US20140254602A1 (en) * | 2013-03-05 | 2014-09-11 | Schleifring Und Apparatebau Gmbh | High Speed Network Contactless Rotary Joint |
| DE102014226888B4 (en) | 2014-12-22 | 2024-05-08 | Leoni Kabel Gmbh | Coupling device for contactless transmission of data signals and method for transmitting data signals |
| CN111511002B (en) * | 2020-04-23 | 2023-12-05 | Oppo广东移动通信有限公司 | Method and device for adjusting detection frame rate, terminal and readable storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4646086A (en) * | 1984-01-07 | 1987-02-24 | U.S. Philips Corporation | Arrangement for data transmission between two mutually rotatable parts |
| US4982415A (en) * | 1988-06-03 | 1991-01-01 | Kabushiki Kaisha Toshiba | X-ray CT scanner apparatus |
| JP2000082998A (en) * | 1992-01-14 | 2000-03-21 | Toshiba Corp | Data transmission device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6456675B2 (en) * | 1999-10-12 | 2002-09-24 | Memorylink Corporation | Diversity reception employing periodic testing |
-
2005
- 2005-06-14 DE DE102005063496A patent/DE102005063496B4/en not_active Expired - Fee Related
- 2005-11-18 CN CN2005800493703A patent/CN101167276B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4646086A (en) * | 1984-01-07 | 1987-02-24 | U.S. Philips Corporation | Arrangement for data transmission between two mutually rotatable parts |
| US4982415A (en) * | 1988-06-03 | 1991-01-01 | Kabushiki Kaisha Toshiba | X-ray CT scanner apparatus |
| JP2000082998A (en) * | 1992-01-14 | 2000-03-21 | Toshiba Corp | Data transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102005063496B4 (en) | 2012-07-12 |
| CN101167276A (en) | 2008-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7466794B2 (en) | Multi-channel data transmission system for computer tomographs | |
| CN101715318B (en) | Contactless rotary transmitter | |
| US9596109B2 (en) | Methods and systems for high bandwidth communications interface | |
| EP2719169B1 (en) | Method and system for video data extension | |
| US12206531B2 (en) | Methods and systems for high bandwidth communications interface | |
| US7860126B2 (en) | Method and device for data transmission between two components moving relative to one another | |
| US8594480B2 (en) | Rotating data transmission device | |
| CN101167276B (en) | Multi-channel data transmission system for computer tomographs | |
| US7274765B2 (en) | Rotating data transmission device for multiple channels | |
| EP2775630A1 (en) | High speed network contactless rotary joint | |
| AU2015253817A1 (en) | Link-fault tolerance in a distributed antenna system | |
| US20110206319A1 (en) | Capacitive Rotary Joint For Optical Signals | |
| EP3796574A1 (en) | Optical network apparatus and optical module | |
| CN102688058A (en) | Non-contact signal transmission apparatus and method in compute tomography imaging equipment | |
| US6930990B2 (en) | Serial communications link for a base stations | |
| KR20150068328A (en) | Signal selection for the capture of received signals for reception antennas for a plurality of local coils in a magnetic resonance imaging scanner | |
| US7751718B2 (en) | Efficient transmission of digital return path data in cable television return path | |
| JP7396080B2 (en) | Relay system, transmitter, and receiver | |
| JP2004247824A (en) | Radio base station system | |
| KR102663341B1 (en) | Receiving device and receiving method | |
| US8195051B2 (en) | Rotating data transmission device with active compensation of transmission function | |
| JPH1168753A (en) | Wireless communication unit | |
| JP3899348B2 (en) | Transmission system, transmission method, terminal, program, and recording medium | |
| EP2592777A1 (en) | Method for distributing data units of a data flow between two outdoor units | |
| KR20120064798A (en) | Method and apparatus for transmitting data signal using multi antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |