CN103309838B - Switching method, terminal device and the multi-terminal equipment system of information collecting device - Google Patents
Switching method, terminal device and the multi-terminal equipment system of information collecting device Download PDFInfo
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- CN103309838B CN103309838B CN201210071537.8A CN201210071537A CN103309838B CN 103309838 B CN103309838 B CN 103309838B CN 201210071537 A CN201210071537 A CN 201210071537A CN 103309838 B CN103309838 B CN 103309838B
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Abstract
The invention discloses the switching method of a kind of terminal device, multi-terminal equipment system and its information collecting device.The switching method of described information collecting device includes：The first information collecting device collection information of the first system；By the status information storage of the information of first information collecting device collection and the first information collecting device to the storage device in the second system；The work state information of the first system is detected, when the work state information indicates that the first system is stopped, the second system reads the status information of the first information collecting device from the storage device；And the second information collecting device of the second system is based on the status information capture information, and the storage device is arrived into the status information storage of the information of second information collecting device collection and second information collecting device.
Description
Technical field
The present invention relates to the field of terminal device, more particularly it relates to a kind of switching side of information collecting device
The terminal device and multi-terminal equipment system of the switching method of method and the use information collecting device.
Background technology
In recent years, the terminal device of such as tablet personal computer is increasingly popularized, tablet personal computer have it is light, using simple
The advantages of touch control operation, it can easily realize online, play game, see video, read magazine etc. function.But due to not
With mouse, the input equipment such as keyboard used in traditional PC, tablet personal computer is when receiving more complicated order or character input
It can be made troubles to user.It is in the scheme based on mixed architecture occurred recently, the movement for possessing bimodulus switch technology is mutual
Connection terminal device (tablet personal computer using mixed architecture etc.) and PC are ideally combined together.In the mixed of " a machine double-purpose "
Close under double mode, tablet personal computer and PC accessible power and energy are realized by installing base (Base) additional.When independent flat board electricity
During brain, it is possible to achieve online, game is played, sees video, reads magazine etc. function, it is unrestricted.Connect when by tablet personal computer
During upper bed-plate, tablet personal computer just turns into the touch screen of the powerful notebook computer of a performance.Can close can divide, plug and play
Design allows tablet personal computer to possess a variety of use patterns, while also has the power that bidirectional data transfers are carried out with base.
At present, two terminal devices that combination forms mixed architecture generally all possess the information of such as camera or microphone
Collecting device.Letter can be performed when being worked under mixed architecture, such as the information collecting device of the terminal device of pedestal
Cease acquisition operations.In the process, two terminal devices may possibly be separated, and is stopped entrance as the terminal device of pedestal
When shutdown or resting state, if the information collecting device of another terminal device can not keep carrying out work with continuous working condition
Make, then user is likely to feel the interruption or discontinuous of information gathering process.Accordingly, it is desirable to provide a kind of be used for multi-terminal equipment
The switching method of information collecting device in system, it can provide the user the seamless switching experience of information collecting device.
The content of the invention
In view of the above, adopted the invention provides a kind of switching method of information collecting device and using the information
Collect the terminal device and multi-terminal equipment system of the switching method of equipment.
According to embodiments of the present invention, there is provided a kind of switching method of information collecting device, methods described are applied to include
The hybrid system of the first system and second system, methods described include：The first information collecting device collection of the first system
Information；Institute is arrived into the status information storage of the information of first information collecting device collection and the first information collecting device
State the storage device in second system；The work state information of the first system is detected, when the work state information indicates
When the first system is stopped, the second system reads the shape of the first information collecting device from the storage device
State information；And the second information collecting device of the second system is based on the status information capture information, and by described in
The storage device is arrived in the information of second information collecting device collection and the status information storage of second information collecting device.
In addition, the switching method of information collecting device according to embodiments of the present invention, in addition to：Detect the first system
Work state information, when the work state information indicates that the first system is resumed work, the first system is from institute
State the status information that storage device reads second information collecting device；And the first information collecting device is based on described
The status information capture information of second information collecting device, and by the information and described of first information collecting device collection
The storage device is arrived in the status information storage of first information collecting device.
In addition, the switching method of information collecting device according to embodiments of the present invention, wherein first information collection is set
Standby and the second information collecting device is camera or microphone.
In addition, the switching method of information collecting device according to embodiments of the present invention, is additionally included in and terminates first letter
After ceasing collecting device and the second information collecting device, the first information collecting device stored in the storage device is adopted
The information of collection and the information of second information collecting device collection merge.
According to another embodiment of the present invention, there is provided a kind of terminal device, it runs the first system, the terminal device bag
Connection unit is included, is connected for another terminal device with running second system；First information collecting unit, believe for gathering
Breath；And working state detection units, for detecting the working condition of first terminal equipment, working condition configured information is generated,
And the working condition configured information is sent to another terminal device；Wherein, the first information collecting unit is adopted
Collect information；By the information of first information collecting unit collection and the status information of the first information collecting unit, storage
To the storage device in another terminal device being connected by the connection unit with the terminal device；When the working condition
When configured information indicates that the first system is stopped, another terminal device reads described first from the storage device
The status information of information acquisition unit；And the second information acquisition unit in another terminal device is believed based on the state
Breath collection information, and the state of the information of second information acquisition unit collection and second information acquisition unit is believed
The storage device is arrived in breath storage.
In addition, terminal device according to embodiments of the present invention, wherein when the work state information indicates first system
When system is resumed work, the first system reads the status information of second information acquisition unit from the storage device；With
And status information capture information of the first information collecting unit based on second information acquisition unit, and by described
The storage device is arrived in the information of one information acquisition unit collection and the status information storage of the first information collecting unit.
In addition, terminal device according to embodiments of the present invention, wherein the first information collecting unit and the second information are adopted
It is camera or microphone to collect unit.
In addition, terminal device according to embodiments of the present invention, wherein terminating the first information collecting unit and second
After information acquisition unit, by the information of the first information collecting unit stored in the storage device collection and described the
The information of two information acquisition units collection merges.
According to another embodiment of the present invention, there is provided a kind of multi-terminal equipment system, the system include：Run the first system
The first terminal equipment of system, the first terminal equipment include first information collecting unit；Run the second terminal of second system
Equipment, the second terminal equipment include the second information acquisition unit and memory cell；Wherein, the first of the first system
Information acquisition unit gathers information；By the information of first information collecting unit collection and the first information collecting unit
Status information is stored to the storage device in the second system；The work state information of the first system is detected, when described
When work state information indicates that the first system is stopped, the second system reads described first from the storage device
The status information of information acquisition unit；And the second information acquisition unit of the second system is based on the status information capture
Information, and the status information of the information of second information acquisition unit collection and second information acquisition unit is stored
To the storage device.
In addition, multi-terminal equipment system according to embodiments of the present invention, wherein detecting the working condition of the first system
Information, when the work state information indicates that the first system is resumed work, the first system is from the storage device
Read the status information of second information acquisition unit；And the first information collecting unit is adopted based on second information
Collect the status information capture information of unit, and the information of first information collecting unit collection and the first information are adopted
The storage device is arrived in the status information storage of collection unit.
In addition, multi-terminal equipment system according to embodiments of the present invention, wherein the first information collecting unit and second
Information acquisition unit is camera or microphone.
In addition, multi-terminal equipment system according to embodiments of the present invention, wherein terminating the first information collecting unit
After the second information acquisition unit, by the first information collecting unit stored in the storage device collection information and
The information of the second information acquisition unit collection merges.
Brief description of the drawings
Fig. 1 is the block diagram of the main configuration of diagram terminal device according to embodiments of the present invention；
Fig. 2 is the flow chart of the switching method of diagram information collecting device according to embodiments of the present invention；And.
Fig. 3 is the further flow chart of the switching method of diagram information collecting device according to embodiments of the present invention.
Embodiment
Hereinafter, by preferred embodiments of the present invention will be described in detail with reference to the annexed drawings.
First, reference picture 1 is described to terminal device according to embodiments of the present invention.The terminal device is preferably e.g.
Smart mobile phone, personal digital assistant, palm PC etc..
Fig. 1 is the block diagram of the main configuration of diagram terminal device according to embodiments of the present invention.As shown in figure 1, according to this
The first terminal equipment 100 of inventive embodiments has connection unit 101, first information collecting unit 102 and working condition inspection
Survey unit 103.
Specifically, the connection unit 101 is used to perform the connection with another terminal device.Preferably, the connection is single
Member 101 is in a wired fashion (such as via cable or contact physical interface etc.) or wirelessly (such as via satisfaction
Procotol, RF (radio frequency) or the bluetooth of the standards such as IEEE 802.11a, 802.11b and 802.11g) perform first terminal
Equipment 100 and the connection of the (not shown) of second terminal equipment 200.The first information collecting unit 102 is adopted for execution information
Collection.In a preferred embodiment of the invention, the first information collecting unit 102 can be the Mike for gathering audio signal
Wind or the camera for gathering vision signal.The working state detection units 103 are used to detect first terminal equipment 100
Working condition, generate working condition configured information, and the working condition configured information be sent to the second terminal
Equipment 200.
It is to be understood that the first terminal equipment 100 shown in Fig. 1 is being merely exemplary and nonrestrictive.In addition, the
One terminal device 100 can also include being used for the memory cell for storing various data and status information.One in the present invention is excellent
Select in embodiment, the memory cell of the first terminal equipment 100 is used to store described the first of the first terminal equipment 100
The information and the status information of the first information collecting unit 102 that information acquisition unit 102 is gathered.Certainly, described first
The memory cell of terminal device 100 is used to can be used for storage by whole by the connection unit 101 connected second
The information and the status information of second information acquisition unit that second information acquisition unit of end equipment 200 is gathered.
In addition, generally first terminal equipment 100 also includes the display unit for being used to perform the display of display interface.In independence
In the case of using first terminal equipment 100, the display unit shows the first display interface of first terminal equipment 100, i.e.,
Operation system interface.Preferably, in the case where the first terminal equipment 100 is tablet personal computer, the first display interface is base
In the tablet personal computer operating system (such asDeng) display interface.This
Outside, first terminal equipment 100 can also include being used for the input block for receiving user's input.Especially, in first terminal equipment
In the case that 100 are tablet personal computer, the display unit and input block merge into the touch-screen of tablet personal computer.
More than, reference picture 1 outlines first terminal equipment 100 according to embodiments of the present invention.Next, by reference picture 2
The switching method of information collecting device according to embodiments of the present invention is described.
Fig. 2 is the flow chart of the switching method of diagram information collecting device according to embodiments of the present invention.As shown in Fig. 2
The switching method of information collecting device according to embodiments of the present invention includes：
In step s 201, the first terminal equipment 100 is via the connection unit 101 and the second terminal equipment
200 connections.One of ordinary skill in the art is readily appreciated that, the first terminal equipment 100 and the second terminal equipment 200
Connected mode include but is not limited to wired mode (such as via cable or contact physical interface etc.) or wireless mode
(such as via procotol, RF (radio frequency) or the indigo plant for meeting the standards such as IEEE 802.11a, 802.11b and 802.11g
Tooth).Hereafter, processing procedure enters step S202.In a preferred embodiment of the invention, the first terminal equipment 100
A connecting detection unit can also be included, for detecting the connection of the first terminal equipment 100 and another terminal device, and
Obtain testing result.
In step S202, the first information collecting unit 102 collection information of the first terminal equipment 100.
In a preferred embodiment of the present invention, the microphone as the first information collecting unit 102 gathers audio signal.At this
In another preferred embodiment of invention, the camera as the first information collecting unit 102 gathers vision signal.This
Afterwards, processing procedure enters step S203.
The information for gathering the first information collecting unit 102 in step S203 and first information collection are single
The status information of member 102 is stored to the storage device in the second terminal equipment 200.In a preferred embodiment of the invention,
The information and institute that the first terminal equipment 100 gathers the first information collecting unit 102 via the connection unit 101
The status information for stating first information collecting unit 102 is sent to the second terminal equipment 200, and stores it in described
Storage device in two terminal devices 200.The first information collecting unit stored in the second terminal equipment 200
The information of 102 collections and the status information of the first information collecting unit 102 can be by each of the second terminal equipment 200
Component reads and used.For example, in a preferred embodiment of the invention, stored in the second terminal equipment 200
The status information of the first information collecting unit 102 can be by the second terminal equipment 200 the second information gathering of itself
Unit is read, and by setting the working condition of oneself, institute according to the status information of the first information collecting unit 102
State second terminal equipment 200 itself the second information can with the identical working condition of first information collecting unit 102
Carry out the collection of data.The various parameters that the identical working condition includes but is not limited to gather used in information (such as, increase
Benefit, open circuit sensitivity, frequency response section, focusing mode etc.) and the gathered information of storage various parameters (such as, number
According to coded system, the compression ratio of data and the storage format etc. of data).
As it was previously stated, the first information collecting unit 102 of the first terminal equipment 100 can also be adopted simultaneously
The information of collection and the status information of the first information collecting unit 102 are stored in depositing for the first terminal equipment 100 itself
In storage unit (not shown in figure 1).No matter adopted by the first information collecting unit 102 or second information acquisition unit
The information of collection and its respective status information are stored in the first terminal equipment 100 or the second terminal equipment 200
Memory cell in, the information and the status information of information acquisition unit that are gathered can be by the first terminal equipment 100
Read and use at any time with the second terminal equipment 200.For example, the usual first terminal equipment 100 and described second is eventually
End equipment 200 can include an information reproducing unit, and described information, which reproduces unit, can reproduce gathered information.
Hereafter, processing procedure enters step S204.
In step S204, the first terminal equipment 100 that the working state detection units 103 are detected is judged
Work state information.When the working condition configured information indicates that the first terminal equipment 100 is stopped, processing enters
Step S205.On the contrary, when the working condition configured information indicates that the first terminal equipment 100 is not stopped, place
Reason returns to step S202.That is, sentencing for the working condition of the first terminal equipment 100 is carried out in step S204
It is disconnected.In the hybrid system being made up of the first terminal equipment 100 and the first terminal equipment 200, user may be two
Terminal device separates, so as to which two terminal devices are operated with each independent working condition.In this case it is desirable to it
The working condition of the terminal device of preceding execution information collection is judged.For example, if the first of execution information collection before is whole
End equipment 100 is shut down after releasing or resting state, and user also wants to continue executing with the institute by being stopped
The Information Collecting ＆ Processing performed by first terminal equipment 100 is stated, then needs to start the information gathering list in second terminal equipment 200
First (that is, the processing described by following step S205).On the contrary, if the first terminal equipment 100 of execution information collection before exists
Working condition is kept after separation, then can cause the first information collecting unit of the first terminal equipment 100
102 continue to keep work (that is, the processing that repeat step S202 starts).
In step S205, the second terminal equipment 200 reads the first information collection list from the storage device
The status information of member 102, and the second information acquisition unit in the second terminal equipment 200 is adopted based on the status information
Collect information, the status information storage of the information and second information acquisition unit of second information acquisition unit collection is arrived
The storage device.That is, the first information collecting unit 102 in the first terminal equipment 100 is stopped
In the case of, the second information acquisition unit of the second terminal equipment 200 is started immediately.Also, by from second terminal
The status information of the first information collecting unit 102 read in the memory cell of equipment 200, the second terminal equipment
200 the second information acquisition unit can be to enter line number with the 102 identical working condition of first information collecting unit
According to collection.Now, although the first terminal equipment 100 has been stopped, then in terms of Information Collecting ＆ Processing, user is simultaneously
Any interruption is not felt as.
As described above, by the switching method of the information collecting device shown in Fig. 2, when the first terminal equipment 100 is stopped
Only work into when shutdown or resting state, the second terminal equipment 200 can be kept with the first terminal equipment 100
The working condition of the first information collecting unit 102 continue the acquisition operations of information, so as to provide the user information
The seamless switching experience of collecting device.
In a preferred embodiment of the invention, based on the flow shown in Fig. 2, in the institute from the first terminal equipment 100
The information gathering for stating first information collecting unit 102 seamlessly switches to second information of the second terminal equipment 200 and adopted
After the information gathering operation for collecting unit, letter further can also be carried out according to the working condition of the first terminal equipment 100
Cease the switching of collecting unit.The first terminal equipment 100 is further described referring to Fig. 3 to resume work after state, root
According to the processing of the switching method of the information collecting device of the embodiment of the present invention.
As shown in figure 3, in step S301 (upper map interlinking 2 shown in step S205), the of the second terminal equipment 200
Two information acquisition units carry out the collection of data with the 102 identical working condition of first information collecting unit.Hereafter,
Processing procedure enters step S302.
In step s 302, the first terminal equipment 100 that the working state detection units 103 are detected is judged
Work state information.When the working condition configured information indicates that the first terminal equipment 100 is resumed work, processing enters
Step S303.On the contrary, when the working condition configured information indicates that the first terminal equipment 100 continues to be stopped, place
Reason returns to step S301.
In step S303, the first terminal equipment 100 reads the second information gathering list from the storage device
The status information of member, and the first information collecting unit 102 in the first terminal equipment 100 is adopted based on the status information
Collect information, and the information and the state of the first information collecting unit 102 that the first information collecting unit 102 is gathered
The storage device is arrived in information storage.That is, after the first terminal equipment 100 is resumed work, at information gathering
The first information that reason is seamlesslyed switch back in the first terminal equipment 100 from second information acquisition unit again gathers single
Member 102.And in the user using the hybrid system being made up of the first terminal equipment 100 and the second terminal equipment 200
Apparently, no matter current execution information acquisition process is the first information collecting unit in the first terminal equipment 100
102 or the second terminal equipment 200 in second information acquisition unit, user can see or that hears is gathered
The state of information does not change.That is, Information Collecting ＆ Processing is not by the first terminal equipment 100 and the second terminal
The influence of the working condition of equipment 200., can be at two using the switching method of the information collecting device according to above-described embodiment
When the working condition of terminal device changes, the seamlessly information acquisition unit in switching terminal equipment.
In addition, after user indicates to complete Information Collecting ＆ Processing, will can be stored in the storage device described the
The information of one information acquisition unit collection and the information of second information acquisition unit collection merge, so as to the company of providing the user
The complete information of continuous collection.
It should be noted that in this manual, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence " including one ... ", it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present.
Finally, it is to be noted that, a series of above-mentioned processing are not only included with order described here in temporal sequence
The processing of execution, and the processing including performing parallel or respectively rather than in chronological order.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required hardware platform to realize, naturally it is also possible to is all implemented by hardware.Based on such understanding,
What technical scheme contributed to background technology can be embodied in the form of software product in whole or in part,
The computer software product can be stored in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are making
Obtain a computer equipment (can be personal computer, server, or network equipment etc.) and perform each embodiment of the present invention
Or the method described in some parts of embodiment.
The present invention is described in detail above, principle and embodiment party of the specific case used herein to the present invention
Formula is set forth, and the explanation of above example is only intended to help the method and its core concept for understanding the present invention；It is meanwhile right
In those of ordinary skill in the art, according to the thought of the present invention, change is had in specific embodiments and applications
Part, in summary, this specification content should not be construed as limiting the invention.
Claims (6)
1. a kind of switching method of information collecting device, methods described is applied to the mixed stocker for including the first system and second system
System, methods described include：
The first information collecting device collection information of the first system；
Institute is arrived into the status information storage of the information of first information collecting device collection and the first information collecting device
State the storage device in second system；
The work state information of the first system is detected, when the work state information indicates that the first system is stopped
When, the second system reads the status information of the first information collecting device from the storage device；
Second information collecting device of the second system is based on the status information capture information, and by second information
The storage device is arrived in the information of collecting device collection and the status information storage of second information collecting device；And
After the first information collecting device and the second information collecting device is terminated, the institute that will be stored in the storage device
State the information of first information collecting device collection and the information of second information collecting device collection merge,
Wherein described first information collecting device and the second information collecting device are camera or microphone, the status information bag
Include the various parameters of the various parameters used in collection information and the information of storage collection.
2. the method as described in claim 1, in addition to：
The work state information of the first system is detected, when the work state information indicates that the first system is resumed work
When, the first system reads the status information of second information collecting device from the storage device；And
Status information capture information of the first information collecting device based on second information collecting device, and by described in
The storage device is arrived in the information of first information collecting device collection and the status information storage of the first information collecting device.
3. a kind of terminal device, it runs the first system, and the terminal device includes
Connection unit, it is connected for another terminal device with running second system；
First information collecting unit, for gathering information；And
Working state detection units, for detecting the working condition of first terminal equipment, working condition configured information is generated, and
The working condition configured information is sent to another terminal device；
Wherein, the first information collecting unit collection information；
By the information of first information collecting unit collection and the status information of the first information collecting unit, storage is arrived logical
The storage device crossed in another terminal device that the connection unit is connected with the terminal device；
When the working condition configured information indicates that the first system is stopped, another terminal device is deposited from described
Store up the status information that equipment reads the first information collecting unit；
The second information acquisition unit in another terminal device is based on the status information capture information, and by described
The storage device is arrived in the information of two information acquisition units collection and the status information storage of second information acquisition unit；With
And
After the first information collecting unit and the second information acquisition unit is terminated, the institute that will be stored in the storage device
State the information of first information collecting unit collection and the information of second information acquisition unit collection merge,
Wherein described first information collecting unit and the second information acquisition unit are camera or microphone, the status information bag
Include the various parameters of the various parameters used in collection information and the information of storage collection.
4. terminal device as claimed in claim 3, wherein
When the work state information indicates that the first system is resumed work, the first system is read from the storage device
Take the status information of second information acquisition unit；And
Status information capture information of the first information collecting unit based on second information acquisition unit, and by described in
The storage device is arrived in the information of first information collecting unit collection and the status information storage of the first information collecting unit.
5. a kind of multi-terminal equipment system, the system include：
The first terminal equipment of the first system is run, the first terminal equipment includes first information collecting unit；
The second terminal equipment of second system is run, the second terminal equipment includes the second information acquisition unit and storage is single
Member；
Wherein, the first information collecting unit collection information of the first system；
Institute is arrived into the status information storage of the information of first information collecting unit collection and the first information collecting unit
State the storage device in second system；
The work state information of the first system is detected, when the work state information indicates that the first system is stopped
When, the second system reads the status information of the first information collecting unit from the storage device；
Second information acquisition unit of the second system is based on the status information capture information, and by second information
The storage device is arrived in the information of collecting unit collection and the status information storage of second information acquisition unit；And
After the first information collecting unit and the second information acquisition unit is terminated, the institute that will be stored in the storage device
State the information of first information collecting unit collection and the information of second information collecting device collection merge,
Wherein described first information collecting unit and the second information acquisition unit are camera or microphone, the status information bag
Include the various parameters of the various parameters used in collection information and the information of storage collection.
6. multi-terminal equipment system as claimed in claim 5, wherein
The work state information of the first system is detected, when the work state information indicates that the first system is resumed work
When, the first system reads the status information of second information acquisition unit from the storage device；And
Status information capture information of the first information collecting unit based on second information acquisition unit, and by described in
The storage device is arrived in the information of first information collecting unit collection and the status information storage of the first information collecting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210071537.8A CN103309838B (en) | 2012-03-16 | 2012-03-16 | Switching method, terminal device and the multi-terminal equipment system of information collecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210071537.8A CN103309838B (en) | 2012-03-16 | 2012-03-16 | Switching method, terminal device and the multi-terminal equipment system of information collecting device |
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| CN103309838A CN103309838A (en) | 2013-09-18 |
| CN103309838B true CN103309838B (en) | 2018-02-27 |
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| JPH04242467A (en) * | 1991-01-16 | 1992-08-31 | Nec Corp | Combined computer system |
| CN101873462A (en) * | 2009-08-07 | 2010-10-27 | 杭州海康威视数字技术股份有限公司 | DVR (Digital Video Recorder) as well as data backup and recovery method and system thereof |
| CN102164232A (en) * | 2011-01-30 | 2011-08-24 | 格科微电子（上海）有限公司 | Data communication method between two cameras and realization method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101646057B (en) * | 2009-09-07 | 2012-08-08 | 华为终端有限公司 | Remote-presence conference control device, method and remote-presence conference system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04242467A (en) * | 1991-01-16 | 1992-08-31 | Nec Corp | Combined computer system |
| CN101873462A (en) * | 2009-08-07 | 2010-10-27 | 杭州海康威视数字技术股份有限公司 | DVR (Digital Video Recorder) as well as data backup and recovery method and system thereof |
| CN102164232A (en) * | 2011-01-30 | 2011-08-24 | 格科微电子（上海）有限公司 | Data communication method between two cameras and realization method thereof |
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| CN103309838A (en) | 2013-09-18 |
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