CN1439947A - Image switching and order inputting device by network transmission - Google Patents
Image switching and order inputting device by network transmission Download PDFInfo
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- CN1439947A CN1439947A CN 02105319 CN02105319A CN1439947A CN 1439947 A CN1439947 A CN 1439947A CN 02105319 CN02105319 CN 02105319 CN 02105319 A CN02105319 A CN 02105319A CN 1439947 A CN1439947 A CN 1439947A
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Abstract
A device which can switch picture and input command through network transmission connects the network with multiple remote computers to let the User select and switch picture on screen of the remote computer by utilizing control command of inputting unit or send the receive real-time picture of the remote computer to display unit by issuing operational control command by the remote control program via the network.
Description
Technical field
The present invention is a kind of by the device of Network Transmission with image switching and input command, refers to a kind of real-time pictures by network receiving remote computing machine especially, and exports the device of display unit to.
Background technology
Generally share the occasion of a display at many computing machines, share projector output PowerPoint picture as several computing machines in meeting room, it is normally reached by a computer switch (KVM switch) and arrange in pairs or groups keyboard or mouse on the practice, if will on the screen of institute of projector projection, show the picture of a certain computing machine, as long as the switch key on this computer switch panel is located in operation.
When the computer platform number of serial connection the more the time, the online complexity that just heals of this computer switch, switch key also the more, thus, just can be subjected to the restriction of entity space, again, because of the connecting line that is connected in series with these computing machines elongates apart from meeting, signal just can weaken, and in other words, well known device only is suitable for short distance to be used.
If do not use switch, then must manually plug the signal connecting line of this display, be forwarded to again on another computing machine, this Plug Action is not only consuming time, and may cause misoperation or facility to damage because of mispluging.
Moreover another shortcoming of line switching signal is: when switching between different computer picture signals, may not have the situation of picture output because of factors such as sweep frequency or impedance do not match cause this display.
Take a broad view of above-mentioned all as problem, if can pass through Network Transmission, entity space, online distance and volume size etc. are restricted; Therefore, inventor spy concentrates on studies and cooperates the utilization of scientific principle, design one can be directly real-time pictures by network receiving remote computing machine, and export the device of display unit to.
Summary of the invention
A purpose of the present invention, being to provide one can be by the device of Network Transmission with image switching and input command, be to be connected with plural platform remote computer by network, so that it is available for users to utilize the control command of input block to come image switching, or assign control command via network by remote control program, deliver to display unit with the real-time pictures of the remote computer that will receive.
Another object of the present invention is to provide one can reach by the device of Network Transmission with image switching and input command by the hardware software program of arranging in pairs or groups.
Another purpose of the present invention is by this Design of device, the display frame of present remote computer can be stored into historical picture, and can switch demonstration in real-time pictures and a plurality of historical picture intercropping that has stored at present.
In order to reach above-mentioned purpose, it is a kind of by the device of Network Transmission with image switching and input command that the present invention mainly provides, comprise a display unit, one input block, a plural number platform remote computer and a modular unit, wherein, this input block is used the action of desiring to control for user's input and is produced control command, this plural number remote computer is provided with in-line procedures and/or control program separately, wherein: this in-line procedures is encoded in order to the picture that this remote computer is shown, package (packet) becomes pixel data, the control command that this control program is produced when the user operates in order to the input end that transmits this remote computer, this modular unit is online by network and these remote computers, and be connected in this input block and this display unit, the control command of assigning in order to the input end that receives this input block or this remote computer, and the real-time pictures of this remote computer delivered to this display unit after treatment; Or present display frame stored into historical picture; Or with present real-time pictures and several historical pictures that has stored do switching demonstration.
It is a kind of by the device of Network Transmission with image switching and input command that the present invention provides in addition, it is the picture that remote computer was selected, switched to a control command that receives input block, or assign control command via network by remote control program, so that the real-time pictures of remote computer is delivered to display unit, simultaneously present display frame can be stored into historical picture, and can switch demonstration in present real-time pictures and a plurality of historical picture intercropping that has stored, comprise: a microprocessor, be connected in this input block, be the control core; One first memory element is connected in this microprocessor, in order to stored routine and system data; One network interface controller is connected in this microprocessor, and is connected with plural remote computer by network; One second memory element is connected to this microprocessor and this network interface controller, and in order to the remote computer that will choose, it is stored via the real-time pixel data that network transmitted; One picture frame impact damper (Frame Buffer), be connected in this microprocessor and this second memory element, in order to the real-time pixel data in this second memory element is converted to image frame (frame) data, wherein: this picture frame impact damper can with the image frame data conversion storage to this first memory element or this second memory element as historical picture; One graphics video switching controller is connected in this microprocessor and this picture frame impact damper, in order to reading the image frame data of this picture frame impact damper, and converts the analog or digital vision signal to and exports display unit to.
Reach technology, means and the effect that predetermined purpose is taked in order to make the auditor can further understand the present invention, see also following about detailed description of the present invention and accompanying drawing, believe purpose of the present invention, feature and characteristics, when can deeply and specifically understanding thus, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the present invention is limited.
Description of drawings
Fig. 1 is a hardware structure diagram of the present invention.
Fig. 2 is a hardware structure diagram of the present invention.
Fig. 3 is the circuit block diagram of modular unit of the present invention.
Fig. 4 is an operational flowchart of the present invention.
Description of reference numerals:
1: display unit 2: input block
3: remote computer
31: in-line procedures 32: control program
33: input end
4: modular unit
41: microprocessor 42: flash memory
43: network interface controller 44: random access memory
45: picture frame impact damper 46: the graphics video switching controller
Embodiment
See also Fig. 1 and Fig. 2, be hardware structure diagram of the present invention, comprise a display unit 1, an input block 2, plural platform remote computer 3 and a modular unit 4, wherein: this display unit 1 can be displaies such as TV, LCD (LCD) or digital projector.
This input block 2 can be wired or wireless equipment such as keyboard, telepilot, mouse, produces control command for the user imports the action of desiring to control (comprise image switching, select remote computer 3, standby and shutdown etc.).
The quantity of these remote computers 3 is unrestricted, can increase and decrease according to user's demand, these remote computers 3 are provided with an in-line procedures 31 and/or a control program 32 separately, wherein: pixel data is encoded, is packaged into to this in-line procedures 31 with these remote computer 3 shown pictures, 32 input end (as wired or wireless equipment such as keyboard or mouses) 33 control commands that produced when the user operates (it acts on aforesaid input block 2) that transmit this remote computer 3 of this control program.
This modular unit 4 is online with these remote computers 3 by network (using transmission control protocol/procotol TCP/IP) 5, and be connected in this input block 2 and this display unit 1, the control command that its input end 33 that receives this input block 2 or this remote computer 3 is assigned, with image switching, selection remote computer 3, standby and shutdown etc., and deliver to this display unit 1 after the real-time pictures processing with this remote computer 3; Simultaneously, also present display frame can be stored into historical picture, or present real-time pictures and a plurality of historical picture that has stored are done to switch demonstration.
See also Fig. 3, circuit block diagram for modular unit 4 of the present invention, comprise: a microprocessor 41, a flash memory 42, a network interface controller 43, a random access memory 44, a picture frame impact damper 45 and a graphics video switching controller 46, wherein: this microprocessor 41 is connected in this input block 2, is the control core of this modular unit 4.
This flash memory 42 is connected in this microprocessor 41, is a non-voltile memory element, stores program and system data.
This network interface controller 43 is connected in this microprocessor 41, and is connected with these remote computers 3 by this network 5, as communication bridge to each other.
This random access memory 44 is connected to this microprocessor 41 and network interface controller 42, and the remote computer 3 that is chosen to is stored via the real-time pixel data that network 5 is transmitted.
This picture frame impact damper 45 is connected to this microprocessor 41 and this random access memory 44, in order to convert the real-time pixel data in this random access memory 44 to the image frame data.
This graphics video switching controller 46 is connected to this microprocessor 41 and this picture frame impact damper 45, reads the image frame data of this picture frame impact damper 45, and converts thereof into the analog or digital vision signal and export this display unit 1 to and show.
In addition, this picture frame impact damper 45 also can via the operation of this input block 2 with the image frame data conversion storage to this flash memory 42 or this random access memory 44 as historical picture.
See also Fig. 4, be operational flowchart of the present invention.At the beginning, the user can be by a control command selection remote computer 3 (step 100) wherein of these input block 2 inputs, and requirement is online to network 5 (step 102), at this moment, this remote computer 3 promptly can be waited for online (step 104), wait to set up online after, can capture picture data (step 106), and then by its in-line procedures 31 execution codings, package (step 108), then, be resent to this modular unit 4 (step 110), treat that this modular unit 4 receives this package after, promptly separate package, decoding (step 112), then, write to the picture frame impact damper 45 (step 114) of this modular unit 4, and control this graphics video switching controller 46 the image frame data-switching is become analog or digital vision signal (step 116), at last, deliver to this display unit 1 and show (step 118).
In sum, by design improved of the present invention, have characteristics described as follows:
(1) can show the remote computer picture by network.
(2) can connect many computing machines and switch display frame by network simultaneously, and real-time pictures and a plurality of historical picture intercropping that has been stored to random access memory of present remote computer can be switched demonstration.
(3) can assign operation control command by the input end of input block or remote computer.
(4) be not subject to entity space, online distance and volume size.
Therefore, the present invention meets the patented claim requirement fully, has usability on the industry, so file an application according to Patent Law.
The above, only be specific embodiments of the invention, feature of the present invention is not limited thereto, anyly be familiar with this operator in the field of the invention, can think easily and variation or modification, replace as the also available memory element of random access memory, flash memory, all can be encompassed in the following Patent right requirement scope of the present invention with identical effect.
Claims (14)
1. one kind by the device of Network Transmission with image switching and input command, it is characterized by: comprising:
One display unit;
One input block is used for the user imports the action of desiring to control and is produced control command;
The plural number remote computer is provided with in-line procedures and/or control program separately, wherein: this in-line procedures in order to the picture that this remote computer is shown encoded, package (packet) becomes pixel data; The control command that this control program is produced when the user operates in order to the input end that transmits this remote computer; And
One modular unit, online by network and these remote computers, and be connected in this input block and this display unit, the control command of assigning in order to the input end that receives this input block or this remote computer, and the real-time pictures of this remote computer delivered to this display unit after treatment; Or present display frame stored into historical picture; Or with present real-time pictures and several historical pictures that has stored do switching demonstration.
2. as claimed in claim 1 by the device of Network Transmission with image switching and input command, it is characterized by: this display unit can be TV, LCD or digital projector.
3. as claimed in claim 1 by the device of Network Transmission with image switching and input command, it is characterized by: this input block can be the wired or wireless equipment of keyboard, slide-mouse or telepilot.
4. as claimed in claim 1 by the device of Network Transmission with image switching and input command, it is characterized by: the input end of this remote computer can be the wired or wireless equipment of keyboard or mouse.
5. as claimed in claim 1 by the device of Network Transmission with image switching and input command, it is characterized by: this modular unit further comprises:
One microprocessor is connected in this input block, is the control core of this modular unit;
One first memory element is connected in this microprocessor, in order to stored routine and system data;
One network interface controller is connected in this microprocessor, and is connected with these remote computers by network;
One second memory element is connected to this microprocessor and this network interface controller, is stored by the real-time pixel data that network transmitted in order to the remote computer that will choose;
One picture frame impact damper (Frame Buffr) is connected in this microprocessor and this second memory element, in order to the instant pixel data in this second memory element is converted to image frame (frame) data, wherein:
This picture frame impact damper can with the image frame data conversion storage to this first memory element or this second memory element as historical picture; And
One graphics video switching controller is connected in this microprocessor and this picture frame impact damper, in order to reading the image frame data of this picture frame impact damper, and converts the analog or digital vision signal to and exports this display unit to.
6. as claimed in claim 5 by the device of Network Transmission with image switching and input command, it is characterized by: this first memory element is a non-voltile memory.
7. as claimed in claim 6 by the device of Network Transmission with image switching and input command, it is characterized by: this non-voltile memory is a flash memory.
8. as claimed in claim 5 by the device of Network Transmission with image switching and input command, it is characterized by: this second memory element is a random access memory.
9. one kind by the device of Network Transmission with image switching and input command, it is the picture that remote computer was selected, switched to a control command that receives input block, or assign control command via network by remote control program, so that the real-time pictures of remote computer is delivered to display unit, simultaneously present display frame can be stored into historical picture, and can switch demonstration in present real-time pictures and a plurality of historical picture intercropping that has stored, it is characterized by: comprising:
One microprocessor is connected in this input block, is the control core:
One first memory element is connected in this microprocessor, in order to stored routine and system data;
One network interface controller is connected in this microprocessor, and is connected with these remote computers by network;
One second memory element is connected to this microprocessor and this network interface controller, is stored by the real-time pixel data that network transmitted in order to the remote computer that will choose;
One picture frame impact damper is connected in this microprocessor and this second memory element, in order to convert the real-time pixel data in this second memory element to the image frame data, wherein:
This picture frame impact damper can with the image frame data conversion storage to this first memory element or second memory element as historical picture; And
One graphics video switching controller is connected in this microprocessor and this picture frame impact damper, in order to reading the image frame data of this picture frame impact damper, and converts the analog or digital vision signal to and exports this display unit to.
10. as claimed in claim 9 by the device of Network Transmission with image switching and input command, it is characterized by: this input block can be the wired or wireless equipment of keyboard, mouse or telepilot.
11. as claimed in claim 9 by the device of Network Transmission with image switching and input command, it is characterized by: this display unit can be TV, LCD or digital projector.
12. as claimed in claim 9 by the device of Network Transmission with image switching and input command, it is characterized by: this first memory element is a non-voltile memory.
13. as claimed in claim 12 by the device of Network Transmission with image switching and input command, it is characterized by: this non-voltile memory is a flash memory.
14. as claimed in claim 9 by the device of Network Transmission with image switching and input command, it is characterized by: this second memory element is a random access memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02105319 CN1439947A (en) | 2002-02-22 | 2002-02-22 | Image switching and order inputting device by network transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02105319 CN1439947A (en) | 2002-02-22 | 2002-02-22 | Image switching and order inputting device by network transmission |
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| Publication Number | Publication Date |
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| CN1439947A true CN1439947A (en) | 2003-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02105319 Pending CN1439947A (en) | 2002-02-22 | 2002-02-22 | Image switching and order inputting device by network transmission |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458682C (en) * | 2004-01-09 | 2009-02-04 | 迪吉多多工公司 | Method and apparatus for facilitating control of a target computer by a remote computer |
| CN102497598A (en) * | 2011-12-09 | 2012-06-13 | 上海全景数字技术有限公司 | Remote computer control system and method based on digital television |
| CN102722152A (en) * | 2012-06-14 | 2012-10-10 | 华东师范大学 | Remote control equipment based on embedded system and implementation method of remote control equipment |
| CN102749463A (en) * | 2011-04-20 | 2012-10-24 | 希森美康株式会社 | Sample processing system |
| CN103345855A (en) * | 2013-07-11 | 2013-10-09 | 北京信息科技大学 | Projection switching system and projection switching method for teaching |
| CN103369723A (en) * | 2012-03-29 | 2013-10-23 | 鸿富锦精密工业（深圳）有限公司 | Handheld device and method for controlling roaming of multimedia data |
| CN106170009A (en) * | 2015-05-19 | 2016-11-30 | 张焕乡 | Data transmission method, data transmission unit and beacon light data transmission system |
| CN111158577A (en) * | 2019-12-31 | 2020-05-15 | 奇安信科技集团股份有限公司 | Remote operation processing method and device |
-
2002
- 2002-02-22 CN CN 02105319 patent/CN1439947A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101556506B (en) * | 2004-01-09 | 2011-06-08 | 迪吉多多工公司 | Method and apparatus for facilitating control of a target computer by a remote computer |
| CN100458682C (en) * | 2004-01-09 | 2009-02-04 | 迪吉多多工公司 | Method and apparatus for facilitating control of a target computer by a remote computer |
| CN102749463A (en) * | 2011-04-20 | 2012-10-24 | 希森美康株式会社 | Sample processing system |
| CN102749463B (en) * | 2011-04-20 | 2014-07-30 | 希森美康株式会社 | Sample processing system |
| CN102497598A (en) * | 2011-12-09 | 2012-06-13 | 上海全景数字技术有限公司 | Remote computer control system and method based on digital television |
| CN103369723A (en) * | 2012-03-29 | 2013-10-23 | 鸿富锦精密工业（深圳）有限公司 | Handheld device and method for controlling roaming of multimedia data |
| CN102722152A (en) * | 2012-06-14 | 2012-10-10 | 华东师范大学 | Remote control equipment based on embedded system and implementation method of remote control equipment |
| CN102722152B (en) * | 2012-06-14 | 2014-04-02 | 华东师范大学 | Remote control equipment based on embedded system and implementation method of remote control equipment |
| CN103345855A (en) * | 2013-07-11 | 2013-10-09 | 北京信息科技大学 | Projection switching system and projection switching method for teaching |
| CN103345855B (en) * | 2013-07-11 | 2015-06-10 | 北京信息科技大学 | Projection switching system and projection switching method for teaching |
| CN106170009A (en) * | 2015-05-19 | 2016-11-30 | 张焕乡 | Data transmission method, data transmission unit and beacon light data transmission system |
| CN106170009B (en) * | 2015-05-19 | 2019-05-10 | 张焕乡 | Data transmission method, data transmission unit and beacon light data transmission system |
| CN111158577A (en) * | 2019-12-31 | 2020-05-15 | 奇安信科技集团股份有限公司 | Remote operation processing method and device |
| CN111158577B (en) * | 2019-12-31 | 2021-10-01 | 奇安信科技集团股份有限公司 | Remote operation processing method and device |
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