CN104717436A - Endoscopic display driving system for operating room and method thereof - Google Patents
Endoscopic display driving system for operating room and method thereof Download PDFInfo
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- CN104717436A CN104717436A CN201510065635.4A CN201510065635A CN104717436A CN 104717436 A CN104717436 A CN 104717436A CN 201510065635 A CN201510065635 A CN 201510065635A CN 104717436 A CN104717436 A CN 104717436A
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Abstract
The invention provides an endoscopic display driving system for an operating room. The endoscopic display driving system for the operating room comprises BNC signal conversion modules and a core decoding module, wherein the BNC signal conversion modules are connected with the core decoding module; each BNC signal conversion module comprises a first filter circuit, a first amplifying circuit, a first decoding circuit and a first conversion circuit, the output end of each first filter circuit is connected with the corresponding first amplifying circuit, the output end of each first amplifying circuit is connected with the corresponding first decoding circuit, the output end of each first decoding circuit is connected with the corresponding first conversion circuit, and the output end of each first conversion circuit is connected with the core decoding module. The invention also provides an endoscopic display driving method for the operating room. The endoscopic display driving system for the operating room and the method thereof have the advantages that the display can be both digital signal display converted from analogue signals and digital signal display, large size high definition display is supported, and quadruple high definition display and 3D display can be achieved.
Description
Technical field
The present invention relates to Medical Devices, particularly relate to a kind of the endoscope show drive system for operating room in Medical Devices and method thereof.
Background technology
The medical the endoscope show system that current domestic various big hospital uses is all the independent nonsynchronous medical display system of digital signal and analog signal, peep in medical treatment and need to show under analog signal, if show picture-in-picture by analog signal simultaneously, display effect is the demand not reaching present medical diagnosis far away, and the display of existing picture-in-picture is that digital signal and analog signal show separately; Therefore, if user needs display digital signal and analog signal just to need plural display system could meet the demand of user simultaneously, such use inconvenience very, a display effect needs originally to realize with the one-tenth of two display systems simultaneously, and existing display only supports the display effect of the single-signal picture-in-picture of single channel, not multichannel, display effect is SD picture, it not high definition picture, and display size is little, be not large scale display, display can not show 3D picture.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of the endoscope show drive system for operating room and the method thereof that can realize four times of high definition displays and 3D display.
The invention provides a kind of the endoscope show drive system for operating room, comprise BNC signal conversion module and core codec module, described BNC signal conversion module and described core codec model calling, described BNC signal conversion module comprises the first filter circuit, first amplifying circuit, first decoding circuit and the first change-over circuit, the output of described first filter circuit is connected with described first amplifying circuit, the output of described first amplifying circuit is connected with described first decoding circuit, the output of described first decoding circuit is connected with described first change-over circuit, the output of described first change-over circuit and described core codec model calling, BNC signal conversion module passes through the first filter circuit the clutter filtering in the signal of input, then through the first amplifying circuit, signal source is amplified, finally after filtering, amplifying signal source is transported to the first decoding circuit, first decoding circuit is decoded into LVDS signal source the signal source of input, LVDS signal source converts DP signal to through the first change-over circuit, and be input to core codec module.
As a further improvement on the present invention, described core codec model calling has display screen.
As a further improvement on the present invention, described core codec model calling has DVI circuit and SID to turn HDMI module.
As a further improvement on the present invention, described DVI circuit comprises the second filter circuit, the second decoding circuit and the second change-over circuit, the output of described second filter circuit is connected with described second decoding circuit, and the output of described second decoding circuit is connected with described second change-over circuit.
As a further improvement on the present invention, described SID turns HDMI module and comprises the 3rd filter circuit, signal amplification circuit, the 3rd decoding circuit, the 3rd change-over circuit and the 4th filter circuit, the output of described 3rd filter circuit is connected with described signal amplification circuit, the output of described signal amplification circuit is connected with described 3rd decoding circuit, the output of described 3rd decoding circuit is connected with described 3rd change-over circuit, and the output of described 3rd change-over circuit is connected with described 4th filter circuit.
As a further improvement on the present invention, described core codec model calling has key system.
As a further improvement on the present invention, described BNC signal conversion module has two at least.
Present invention also offers a kind of the endoscope show driving method for operating room, comprise the following steps:
S1, when signal is input to BNC signal conversion module, BNC signal conversion module the clutter filtering in the signal of input, and is input to the first amplifying circuit by the first filter circuit;
Signal source is amplified through the first amplifying circuit by the signal of S2, filtering clutter, and is input to the first decoding circuit;
S3, amplifying signal source first decoding module decodes become LVDS signal source, and are input to the first change-over circuit;
S4, LVDS signal source converts DP signal to through the first change-over circuit, and is input to core codec module.
As a further improvement on the present invention, also comprise step S5, DP signal through the decoding of core codec module, filtering, amplification process, drive display screen display.
The invention has the beneficial effects as follows: by such scheme, both can be the digital signal display changed into by analog signal, also can be digital signal display, supports the display of large scale high definition, can realize four times of high definition displays and 3D display.
Accompanying drawing explanation
Fig. 1 is the theory diagram of a kind of the endoscope show drive system for operating room of the present invention;
Fig. 2 is the theory diagram of the BNC signal conversion module of a kind of the endoscope show drive system for operating room of the present invention;
Fig. 3 is the theory diagram of the DVI circuit of a kind of the endoscope show drive system for operating room of the present invention;
Fig. 4 is the theory diagram that the SID of a kind of the endoscope show drive system for operating room of the present invention turns HDMI module.
Embodiment
Illustrate below in conjunction with accompanying drawing and embodiment the present invention is further described.
Drawing reference numeral in Fig. 1 to Fig. 4 is: BNC signal conversion module 1; First filter circuit 11; First amplifying circuit 12; First decoding circuit 13; First change-over circuit 14; DVI circuit 2; Second filter circuit 21; Second decoding circuit 22; Second change-over circuit 23; SID turns HDMI module 3; 3rd filter circuit 31; Signal amplification circuit 32; 3rd decoding circuit 33; 3rd change-over circuit 34; 4th filter circuit 34; Core codec module.
As shown in Figures 1 to 4, a kind of the endoscope show drive system for operating room, comprise BNC signal conversion module 1 and core codec module 4, described BNC signal conversion module 1 is connected with described core codec module 4, described BNC signal conversion module 1 comprises the first filter circuit 11, first amplifying circuit 12, first decoding circuit 13 and the first change-over circuit 14, the output of described first filter circuit 11 is connected with described first amplifying circuit 12, the output of described first amplifying circuit 12 is connected with described first decoding circuit 13, the output of described first decoding circuit 13 is connected with described first change-over circuit 14, the output of described first change-over circuit 14 is connected with described core codec module 4, BNC signal conversion module 1 passes through the first filter circuit 11 the clutter filtering in the signal of input, then through the first amplifying circuit 12, signal source is amplified, finally after filtering, amplifying signal source is transported to the first decoding circuit 13, first decoding circuit 13 is decoded into LVDS signal source the signal source of input, LVDS signal source converts DP signal (DP full name DisplayPort to through the first change-over circuit 14, a kind of high-definition digital display.), and be input to core codec module 4 and carry out driving display, the display of four times of high definitions and 3D display can be realized.
As shown in Figures 1 to 4, described core codec module 4 is connected with display screen.
As shown in Figures 1 to 4, described core codec module 4 is connected with DVI circuit 2, and (DVI full name is Digital Visual Interface, analog and digital signal) and SID turns HDMI module 3, and (HDMI (High Definition Multimedia Interface) is digital high-definition multi-media signal, HDMI is upgrading and the enhanced edition of DVI standard, support audio signal, can simply be interpreted as: DVI+ audio frequency=HDMI.)。
As shown in Figures 1 to 4, described DVI circuit 2 comprises the second filter circuit 21, second decoding circuit 22 and the second change-over circuit 23, the output of described second filter circuit 21 is connected with described second decoding circuit 22, and the output of described second decoding circuit 22 is connected with described second change-over circuit 23.
As shown in Figures 1 to 4, described SID turns HDMI module 3 and comprises the 3rd filter circuit 31, signal amplification circuit 32, the 3rd decoding circuit 33, the 3rd change-over circuit 34 and the 4th filter circuit 34, the output of described 3rd filter circuit 31 is connected with described signal amplification circuit 32, the output of described signal amplification circuit 32 is connected with described 3rd decoding circuit 33, the output of described 3rd decoding circuit 33 is connected with described 3rd change-over circuit 34, and the output of described 3rd change-over circuit 34 is connected with described 4th filter circuit 35.
As shown in Figures 1 to 4, described core codec module 4 is connected with key system.
As shown in Figures 1 to 4, described BNC signal conversion module 1 has two at least.
As shown in Figures 1 to 4,4 times of high definition driver modules are for core codec module 4 with 4 times of high definition drive plates, with 84 cun of display screens for display, by accepting to drive display by each road signalling channel (such as: HDMI signal, DVI signal, DP1 signal and DP2 signal) through the signal handled by treatment circuit, freely facilitated according to the display mode required for demand switching by key system.
As shown in Figures 1 to 4, a kind of the endoscope show driving method for operating room, comprises the following steps:
S1, when signal (as: AV signal, Y/C1 signal, YPBPR signal) is input to BNC signal conversion module 1, BNC signal conversion module 1 the clutter filtering in the signal of input, and is input to the first amplifying circuit 12 by the first filter circuit 11;
Signal source is amplified through the first amplifying circuit 12 by the signal of S2, filtering clutter, and is input to the first decoding circuit 13;
S3, amplifying signal source first decoder module 13 are decoded into LVDS signal source, and are input to the first change-over circuit 14;
S4, LVDS signal source converts DP signal to through the first change-over circuit 14, and is input to core codec module 4;
S5, DP signal, through the decoding of core codec module 4, filtering, amplification process, drives display screen display.
Screen signal.
Y/C: super video signal (enhanced edition of VIDEO signal).
YPBPR:YPbPr is also color difference components interface, employing be EIA EIA-770.2a standard, YPbPr is the mark of analogue system.
SDI: the acronym of digital component serial line interface (serial digital interface).
DDCCI: the acronym of synchronous communication agreement (Display Data Channel Command Interface).
A kind of the endoscope show drive system for operating room provided by the invention and method thereof, based on peep in the operation of 4 times of (4K*2K) large high-definition screens signal drive and 3D display driver in the high definition 3D display driving system of one, have following characteristics:
(1) by the driver module of 4K*2K and show dimensions as 84 cun LCDs based on.
(2) based on the digital decode module of 4K*2K, on this basis, add analog codec module and analog-to-digital conversion module, when display system incoming analog signal, analog signal is by analog codec module decoded signal, and then by analog-to-digital conversion module, analog signal is converted to digital signal, LCDs display is driven with digital signal form by the display driver plate of 4K*2K in the distortionless situation of signal, not only can show 4 times of high definition pictures but also picture-in-picture can be shown on the basis of 4 times of high definition pictures, when display picture-in-picture, namely picture-in-picture can be the digital signal display changed into by analog signal, also can be the digital signal display of digital decode module decoding.
(3) the present invention increases support 3D display module, can drive on the basis of the display frame of 120HZ at display driver plate, we add the synchronous communication agreement (DDCCI) of display 3D Signal analysis in display driver, when signal source is 3D signal source, display driver is detected by synchronous communication agreement (DDCCI) and is identified 3D signal, when synchronous communication agreement (DDCCI) recognizes 3D signal, display just by MCU decoding 3D signal, thus drives display 3D picture; After 3D signal is input to display device, display driver is with 3D decoding process also original picture, the image of 120Hz just realizes left-right frames with the form of frame sequence and alternately produces, by infrared transmitter, these frame signals are transferred out, the 3D glasses being responsible for receiving realize image corresponding to right and left eyes viewing at refresh synchronization, and keep the frame number identical with 2D video, make two eyes of we people see the different pictures switched fast, and produce illusion in the brain, just can watch stereopsis.
(4) the present invention is multichannel full signal interface, picture-in-picture can be that digital signal and analog signal show picture-in-picture separately, also can be that digital signal and analog signal show picture-in-picture mutually, when display frame is digital signal, picture-in-picture is analog signal, or display frame is analog signal, and picture-in-picture is digital signal, both can freely switch, and such user can come freely to switch easily according to demand.
(5) digital signal has SD, high definition, super clear Three models at present, if when needing the super clear picture of display, HDMI modular converter can be turned by SDI and SD can be converted to super clear picture display, modular converter can export a super clear signal simultaneously, can light two or more display system to reach the effect of simultaneous display under identical signal source simultaneously.
(6) high definition picture directly lights display system by DVI LOOP module, also can export display system that high definition picture lights two or more simultaneously to reach the synchronous effect of display simultaneously.
(7) key system of the present invention, can satisfy the demands according to the convenient display mode that switches freely of different needs, key system can simplify these operations, and some function needed in display system can be triggered by key system, after triggering, display system there will be an OSD(
oSD: the functional image block diagram regulating display picture effect in order to button, is commonly called as menu.) carry out indicating user to switch display mode and the function of needs, the control picture-in-picture that key system is all right independent, can be independent give picture-in-picture adjustment display effect to satisfy the demands, also display frame can be controlled separately, these two controlling functions controlled by an Enable Pin, when triggering Enable Pin, key system just can regulate picture-in-picture, when closing Enable Pin, key system just can regulate display frame, when not needing display picture-in-picture be, key system also has individual Enable Pin to close picture-in-picture, when user needs picture-in-picture, but do not show again picture-in-picture in display frame and be, key system can trigger Enable Pin to open picture-in-picture, other function of key system is the brightness regulating display system, contrast, the switching of gamma, reset function, colour temperature, the switching of signal, the switching of menu language, the switching of image scaled.
A kind of the endoscope show drive system for operating room provided by the invention and method thereof, compared with traditional scheme, maximum difference is to realize four times of high definition displays and 3D display.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. the endoscope show drive system for operating room, it is characterized in that: comprise BNC signal conversion module and core codec module, described BNC signal conversion module and described core codec model calling, described BNC signal conversion module comprises the first filter circuit, first amplifying circuit, first decoding circuit and the first change-over circuit, the output of described first filter circuit is connected with described first amplifying circuit, the output of described first amplifying circuit is connected with described first decoding circuit, the output of described first decoding circuit is connected with described first change-over circuit, the output of described first change-over circuit and described core codec model calling, BNC signal conversion module passes through the first filter circuit the clutter filtering in the signal of input, then through the first amplifying circuit, signal source is amplified, finally after filtering, amplifying signal source is transported to the first decoding circuit, first decoding circuit is decoded into LVDS signal source the signal source of input, LVDS signal source converts DP signal to through the first change-over circuit, and be input to core codec module.
2. the endoscope show drive system for operating room according to claim 1, is characterized in that: described core codec model calling has display screen.
3. the endoscope show drive system for operating room according to claim 1, is characterized in that: described core codec model calling has DVI circuit and SID to turn HDMI module.
4. the endoscope show drive system for operating room according to claim 3, it is characterized in that: described DVI circuit comprises the second filter circuit, the second decoding circuit and the second change-over circuit, the output of described second filter circuit is connected with described second decoding circuit, and the output of described second decoding circuit is connected with described second change-over circuit.
5. the endoscope show drive system for operating room according to claim 3, it is characterized in that: described SID turns HDMI module and comprises the 3rd filter circuit, signal amplification circuit, the 3rd decoding circuit, the 3rd change-over circuit and the 4th filter circuit, the output of described 3rd filter circuit is connected with described signal amplification circuit, the output of described signal amplification circuit is connected with described 3rd decoding circuit, the output of described 3rd decoding circuit is connected with described 3rd change-over circuit, and the output of described 3rd change-over circuit is connected with described 4th filter circuit.
6. the endoscope show drive system for operating room according to claim 1, is characterized in that: described core codec model calling has key system.
7. the endoscope show drive system for operating room according to claim 1, is characterized in that: described BNC signal conversion module has two at least.
8., for a endoscope show driving method for operating room, it is characterized in that, comprise the following steps:
S1, when signal is input to BNC signal conversion module, BNC signal conversion module the clutter filtering in the signal of input, and is input to the first amplifying circuit by the first filter circuit;
Signal source is amplified through the first amplifying circuit by the signal of S2, filtering clutter, and is input to the first decoding circuit;
S3, amplifying signal source first decoding module decodes become LVDS signal source, and are input to the first change-over circuit;
S4, LVDS signal source converts DP signal to through the first change-over circuit, and is input to core codec module.
9. the endoscope show driving method for operating room according to claim 8, is characterized in that, also comprises step S5, DP signal through the decoding of core codec module, filtering, amplification process, drives display screen display.
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| CN201510065635.4A CN104717436A (en) | 2015-02-09 | 2015-02-09 | Endoscopic display driving system for operating room and method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376512A (en) * | 2015-11-18 | 2016-03-02 | 武汉精测电子技术股份有限公司 | Signal conversion device based on programmable logic device |
| CN107993623A (en) * | 2017-12-19 | 2018-05-04 | 深圳市嘉利达专显科技有限公司 | Color monitor turns the drive system that grayscale is shown |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090153737A1 (en) * | 2007-12-17 | 2009-06-18 | Ati Technologies Ulc | Method, apparatus and machine-readable medium for apportioning video processing between a video source device and a video sink device |
| CN101795419A (en) * | 2010-02-01 | 2010-08-04 | 周晓民 | Technical scheme for transforming 2D video image signals to 3D video image signals and application thereof |
| CN201754604U (en) * | 2010-08-16 | 2011-03-02 | 青岛海信电器股份有限公司 | Television deck module and TV set |
| CN102223512A (en) * | 2011-06-22 | 2011-10-19 | 上海博康智能网络科技有限公司 | System and device for supporting conversion of multi-format audio-video signal and serial data |
| CN202433887U (en) * | 2011-10-25 | 2012-09-12 | 北京彩讯科技股份有限公司 | Large-screen processor adopting peripheral component interface (PCI)-express (E) bus |
| CN202587239U (en) * | 2012-03-19 | 2012-12-05 | 陈钢 | Image signal generator capable of realizing multiple video interface expansion functions |
| CN202815848U (en) * | 2012-09-29 | 2013-03-20 | 康源医疗设备股份有限公司 | Operating room integration system with function of identifying color codes |
| CN202815849U (en) * | 2012-09-29 | 2013-03-20 | 康源医疗设备股份有限公司 | Operating room integration system capable of stopping screen picture |
| CN103559855A (en) * | 2013-09-16 | 2014-02-05 | 苏州佳世达电通有限公司 | Display system and signal processing method |
| CN204465716U (en) * | 2015-02-09 | 2015-07-08 | 深圳市嘉利达专显科技有限公司 | A kind of the endoscope show drive system for operating room |
-
2015
- 2015-02-09 CN CN201510065635.4A patent/CN104717436A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090153737A1 (en) * | 2007-12-17 | 2009-06-18 | Ati Technologies Ulc | Method, apparatus and machine-readable medium for apportioning video processing between a video source device and a video sink device |
| CN101795419A (en) * | 2010-02-01 | 2010-08-04 | 周晓民 | Technical scheme for transforming 2D video image signals to 3D video image signals and application thereof |
| CN201754604U (en) * | 2010-08-16 | 2011-03-02 | 青岛海信电器股份有限公司 | Television deck module and TV set |
| CN102223512A (en) * | 2011-06-22 | 2011-10-19 | 上海博康智能网络科技有限公司 | System and device for supporting conversion of multi-format audio-video signal and serial data |
| CN202433887U (en) * | 2011-10-25 | 2012-09-12 | 北京彩讯科技股份有限公司 | Large-screen processor adopting peripheral component interface (PCI)-express (E) bus |
| CN202587239U (en) * | 2012-03-19 | 2012-12-05 | 陈钢 | Image signal generator capable of realizing multiple video interface expansion functions |
| CN202815848U (en) * | 2012-09-29 | 2013-03-20 | 康源医疗设备股份有限公司 | Operating room integration system with function of identifying color codes |
| CN202815849U (en) * | 2012-09-29 | 2013-03-20 | 康源医疗设备股份有限公司 | Operating room integration system capable of stopping screen picture |
| CN103559855A (en) * | 2013-09-16 | 2014-02-05 | 苏州佳世达电通有限公司 | Display system and signal processing method |
| CN204465716U (en) * | 2015-02-09 | 2015-07-08 | 深圳市嘉利达专显科技有限公司 | A kind of the endoscope show drive system for operating room |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376512A (en) * | 2015-11-18 | 2016-03-02 | 武汉精测电子技术股份有限公司 | Signal conversion device based on programmable logic device |
| CN107993623A (en) * | 2017-12-19 | 2018-05-04 | 深圳市嘉利达专显科技有限公司 | Color monitor turns the drive system that grayscale is shown |
| CN107993623B (en) * | 2017-12-19 | 2024-04-26 | 深圳市嘉利达专显科技有限公司 | Driving system for converting color display into gray scale display |
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