CN102510112B - System and display device for charging portable electronic device - Google Patents
System and display device for charging portable electronic device Download PDFInfo
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- CN102510112B CN102510112B CN 201110339946 CN201110339946A CN102510112B CN 102510112 B CN102510112 B CN 102510112B CN 201110339946 CN201110339946 CN 201110339946 CN 201110339946 A CN201110339946 A CN 201110339946A CN 102510112 B CN102510112 B CN 102510112B
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Abstract
The invention relates to a system and a display device for charging a portable electronic device. The display device comprises a first connection interface, a power supply device, a storage device, a first switch and a first control unit, wherein the first connection interface comprises a first voltage transmission end point; the storage device is used for storing functional messages; the first switch is coupled with the first voltage transmission end point and the storage device; the first control unit is coupled with the first switch, and is used for controlling the first switch to be selectively connected to the power supply device or the storage device; when the first connection interface is coupled with a second connection interface, the first voltage transmission end point is coupled with a second voltage transmission end point, and the first control unit controls the first switch to make the power supply device coupled with the first voltage transmission end point. The system and the display device can be used for charging the portable electronic device.
Description
[technical field]
The invention relates to a kind of system and display unit to portable electronic devices charging, espespecially a kind of according to display unit with effective the connection whether has to come system and the display unit that portable electronic devices is charged between the system.
[background technology]
At present existing many portable electronic devices are equipped with video signal function or other to need the function of great mass of data.In order to implement these functions, these portable electronic devices also have been equipped with the data transmission interface, carry out the necessary functions such as information exchange with other devices with the external world.Yet when opening these functions, the power consumption speed of portable electronic devices itself also can be aggravated, and in the situation that does not have exterior power supply to its charging, is easy to the service time of portable electronic devices to run into bottleneck.
[summary of the invention]
One object of the present invention is to provide a kind of system that is used for to the portable electronic devices charging, and it comprises: display unit and portable electronic devices.This display unit comprises: the first connecting interface comprises the first voltage and transmits end points; Power supply unit; Storage device stores a function information; The first switch, be coupled to this first voltage transmit end points, this power supply unit, with this storage device; And the first control unit, be coupled to this first switch, connect this power supply unit or this storage device in order to control this first switch selectivity.Portable electronic devices comprises: the second connecting interface comprises a second voltage and transmits end points; Wherein, when this first connecting interface couples this second connecting interface, and this first voltage is when transmitting end points and coupling this second voltage and transmit end points, and this first control unit is controlled this first switch and made this power supply unit couple this first voltage to transmit end points.
As optional technical scheme, when this first connecting interface couples this second connecting interface, when this first voltage transmission end points couples this second voltage transmission end points, this this first switch of the first control unit look-ahead makes this storage device couple this first voltage and transmits end points, so that this portable electronic devices reads this function information by this storage device, and this function information is an extension display capabilities identification data; Wherein when this portable electronic devices should extend display capabilities identification data read complete after, this first control unit is controlled this first switch and is made this power supply unit couple this first voltage to transmit end points.
As optional technical scheme, this portable electronic devices comprises in addition: second switch is coupled to this second voltage and transmits end points; Battery is coupled to this second switch; The Integrated power circuit is coupled to this second switch; And the second control unit, be coupled to this second switch and this Integrated power circuit, be used for controlling this second switch selectivity and connect this battery or this Integrated power circuit.
As further alternative technical scheme, after this first control unit was controlled this first switch and made this power supply unit couple this first voltage to transmit end points, this second control unit was controlled this second switch and is connected this Integrated power circuit.
As further alternative technical scheme, this portable electronic devices comprises in addition: the 3rd switch is coupled between this second switch and this battery, and is coupled to this second control unit; And the 4th switch, be coupled between this battery and this Integrated power circuit, and be coupled to this second control unit.
As optional technical scheme, this first control unit is used for detecting the potential change at a return path port of this display unit in addition, when the current potential at this return path port indicates this first connecting interface and couples this second connecting interface and this first voltage and transmit end points and couple this second voltage and transmit the situation of end points, this first control unit is controlled this first switch makes this power supply unit couple this first voltage transmission end points, and when the current potential at this return path port indicated this first connecting interface and is coupled to the situation of the 3rd connecting interface that PC comprises, this first control unit was controlled this first switch and is made this storage device couple this first voltage to transmit end points.
As optional technical scheme, whether the data channel that this first control unit is used for detecting this display unit in addition carries out the program of any information exchange, and when this first control unit detects this data channel when carrying out the program of at least one information exchange, this first control unit is controlled this first switch and is made this storage device couple this first voltage to transmit end points.
Another object of the present invention is to provide a kind of display unit that is used for to the portable electronic devices charging, this portable electronic devices comprises the second connecting interface, and this second connecting interface comprises second voltage and transmits end points, this display unit comprises: the first connecting interface comprises the first voltage and transmits end points; Power supply unit; Storage device, the memory function information; The first switch is coupled to this first voltage and transmits end points and this storage device; And the first control unit, be coupled to this first switch, connect this power supply unit or this storage device in order to control this first switch selectivity; Wherein, when this first connecting interface couples this second connecting interface, this first voltage transmits end points and couples this second voltage and transmit end points, and this first control unit is controlled this first switch and made this power supply unit couple this first voltage to transmit end points.
As optional technical scheme, when this first connecting interface couples this second connecting interface, when this first voltage transmission end points couples this second voltage transmission end points, this this first switch of the first control unit look-ahead makes this storage device couple this first voltage and transmits end points, so that this portable electronic devices reads this function information by this storage device, and this function information is an extension display capabilities identification data; And wherein when this portable electronic devices should extend display capabilities identification data read complete after, this first control unit is controlled this first switch makes this power supply unit couple this first voltage transmission end points.
As optional technical scheme, this first control unit is used for detecting the potential change at a return path port of this display unit in addition, when the current potential at this return path port indicates this first connecting interface and couples this second connecting interface and this first voltage and transmit end points and couple this second voltage and transmit the situation of end points, this first control unit is controlled this first switch makes this power supply unit couple this first voltage transmission end points, and when the current potential at this return path port indicated this first connecting interface and is coupled to the situation of the 3rd connecting interface that PC comprises, this first control unit was controlled this first switch and is made this storage device couple this first voltage to transmit end points.
As optional technical scheme, whether the data channel that this first control unit is used for detecting this display unit in addition carries out the program of any information exchange, and when this first control unit detects this data channel when carrying out the program of at least one information exchange, this first control unit is controlled this first switch and is made this storage device couple this first voltage to transmit end points.
Compared with prior art, use by disclosed this display unit of the present invention and this system, when portable electronic devices and display unit are carried out entity when being connected, can not meet with such as the described restriction of prior art the service time of portable electronic devices be equipped with the display unit of external charge function to charge to portable electronic devices, so that.
[description of drawings]
Fig. 1 is the schematic diagram of disclosed system according to one embodiment of present invention.
Fig. 2 by according to one embodiment of present invention the function block schematic diagram of exposure portable electronic devices shown in Figure 1.
Fig. 3 is for according to one embodiment of present invention, with portable electronic devices shown in Figure 2 in addition in the charged side and the schematic diagram of discharge side extra switch with the opportunity that discharges and recharges of control battery of battery.
Fig. 4 by according to one embodiment of present invention the schematic diagram of exposure display unit when being connected with a PC.
[embodiment]
See also Fig. 1, it is the schematic diagram according to the disclosed system 100 of one embodiment of the invention.System 100 comprises display unit 110 and portable electronic devices 120, wherein 120 this moments of portable electronic devices essence be connected in display unit 110.Display unit 110 comprises storage device 132, the first control unit 134, power supply unit 136, the first switch 140, reaches the first connecting interface 150.
The first connecting interface 150 comprises the first voltage and transmits end points 152.In one embodiment of this invention, this function information is an extension display capabilities identification data (Extended Display Identification Data, EDID).The first switch 140 be coupled to the first voltage transmit end points 150, power supply unit 136, with storage device 132, and the first control unit 134 is coupled to the first switch 140, connects power supply unit 136 or storage device 132 in order to control the first switch 140 selectivity.
Portable electronic devices 120 comprises the second connecting interface 160, and the second connecting interface 160 comprises second voltage transmission end points 162.
In one embodiment of this invention, because when display unit 110 shutdown, the preset state of the first switch 140 is to make the first voltage transmit end points 152 to be coupled to storage device 132, therefore shut down and entity when being connected in portable electronic devices 120 when display unit 110, portable electronic devices 120 still can be directly by the first switch 140 activation storage devices 132 with the stored extension display capabilities identification data of accessing storing device 132, and carry out in this extension display capabilities identification data the program relevant with portable electronic devices 120.
In one embodiment of this invention, portable electronic devices 120 is carrying out can confirming in advance whether display unit 110 has external charge function after entity is connected with display unit 110.This affirmation process comprises the first control unit 134 look-aheads the first switch 140 and is coupled to storage device 132, so that portable electronic devices 120 is when being connected with display unit 110 entities, a data channel of setting up between the first connecting interface 150 and the second connecting interface 160 also confirms whether this data channel carries out the program of at least one information exchange (for example in (Handshaking) program of shaking hands between portable electronic devices 120 and the display unit 110 or this extension display capabilities identification data with portable electronic devices 120 relevant program), portable electronic devices 120 is given the first control unit 134 by this data channel transmission charging instruction at last again, and waits for whether the first control unit 134 has charge function by this data channel answer display unit 110.
Except display unit 110, in part embodiment of the present invention, portable electronic devices 120 also can cooperate with display unit 110 through special design, to realize the external charge function of above-mentioned display unit 110.See also Fig. 2, it is for disclosing the function block schematic diagram of portable electronic devices shown in Figure 1 120 according to one embodiment of the invention.As shown in Figure 2, portable electronic devices 120 except the second connecting interface 160, comprise in addition second switch 142, the second control unit 138, battery 170, with Integrated power circuit 180.Second switch 142 is coupled to second voltage and transmits end points 162.Battery 170 is coupled to second switch 142.Integrated power circuit 180 is coupled to battery 170.The second control unit 138 can be used to control second switch 142 and optionally is connected in battery 170 or Integrated power circuit 180.
When portable electronic devices 120 is connected in display unit 110, so that the first connecting interface 150 couples the second connecting interface 160, when the first voltage transmission end points 152 couples second voltage transmission end points 162, the second control unit 138 can be selected a charge path or a discharge path by control second switch 142, the charging (that is discharge of battery 170) of being undertaken by 180 pairs of storage devices of Integrated power circuit 132 with charging or the battery 170 that carries out Integrated power circuit 180, so that Integrated power circuit 180 can be supplied accordingly various modules and the element that electric power comprises to portable electronic devices 120 or can continue to supply electric power to storage device 132 when display unit 110 shutdown, wherein the second control unit 138 also is one of object of Integrated power circuit 180 supply electric power.Above-mentioned charge path is to be connected in the situation of battery 170 in second switch 142 selectivity, by way of second voltage transmit end points 162, second switch 142, battery 170, with Integrated power circuit 180, and above-mentioned discharge path is to be connected in the situation of Integrated power circuit 180 in second switch 142 selectivity, by way of battery 170, Integrated power circuit 180, second switch 142, transmit end points 162 with second voltage.When the second control unit 138 was selected to open this charge path, electric energy can be temporary in battery 170 in advance, so that Integrated power circuit 180 can be obtained by battery 170 power supply of stabling current intensity; And when the second control unit 138 is selected to open this discharge path (this moment, display unit 110 can be off-mode), electric energy can transmit end points 152 along with above-mentioned discharge path is released into the first voltage by battery 170, and and then be coupled to storage device 132 because the switching of the first switch 140 makes the first voltage transmit end points 152 so that this electric energy can be used for storage device 132 is powered to read the stored extension display capabilities identification data of storage device 132.
In one embodiment of this invention, after portable electronic devices 120 learns that display unit 110 has charge function, the first switch 140 can switch to the state that the first voltage transmission end points 152 and storage device 132 are coupled again, so that portable electronic devices 120 can read and judge that according to storage device 132 these stored extension display capabilities identification data the first switch 140 is switched to again makes power supply unit 136 couple condition and opportunity that the first voltage transmits end points 152.Wherein portable electronic devices 120 judges that the first switch 140 is switched to makes power supply unit 136 couple the condition of the first voltage transmission end points 152 and the current potential that the mode on opportunity comprises a return path port on the detecting portable electronic devices 120, one screen display device (On-Screen Display is set on display unit 110 in addition, OSD, not shown) allow the user can manually control by this screen display device the switching of the first switch 140 and second switch 142, or mounting software transmits display unit 110 cognizable control signals are controlled the first switch 140 and second switch 142 with correspondence to display unit 110 switching on portable electronic devices 120.
In one embodiment of this invention, battery 170 also can be by the supplementary protection measure, with charging opportunity of further controlling battery 170 and discharge opportunity.See also Fig. 3, it is according to one embodiment of the invention, with portable electronic devices shown in Figure 2 120 other charged side and the schematic diagram of discharge side extra switch with the opportunity that discharges and recharges of control battery 170 at battery 170.Compared to portable electronic devices shown in Figure 2 120, portable electronic devices 120 shown in Figure 3 has added the 3rd switch 144 and the 4th switch 146 in addition, the control that the 3rd switch 144 and the 4th switch 146 all directly are subject to the second control unit 138 is switched, and the 3rd switch 144 provides a supply path that Integrated power circuit 180 is directly powered in addition.The 3rd switch 144 is coupled between second switch 142 and the battery 170, and the 4th switch 146 is coupled between battery 170 and the Integrated power circuit 180.For charge path and the discharge path among clear interpretation Fig. 3 more, the contact that the first switch 142 is connected to the 3rd switch 144 is made as the first make and break contact P1, the contact that second switch 142 is connected to Integrated power circuit 180 is made as second switch contact P2, the contact that the 3rd switch 144 is connected directly to Integrated power circuit 180 is made as the 3rd make and break contact P3, and the contact that the 3rd switch 144 is connected to battery 170 is made as the 4th make and break contact P4.
In the embodiment shown in fig. 3, when the second control unit 138 control second switches 142 selectivity are connected to the first switch end points P1, the second control unit 138 can be controlled optionally conducting to the four switch end points P4 of the 3rd switch 144 in addition, and control the 4th switch 146 and optionally open a way, so that battery 170 is able to be recharged by formed the first charge path of the 4th switch end points P4 that the first switch end points P1, the 3rd switch 144 that comprises by way of second voltage transmission end points 162, second switch 142 at least comprises.Perhaps, when the second control unit 138 control second switches 142 selectivity are connected to the first switch end points P1, the second control unit 138 also can be controlled optionally conducting to the three switch end points P3 of the 3rd switch 144 in addition, so that Integrated power circuit 180 is able to be powered by formed the second charge path of the 3rd switch end points P3 that the first switch end points P1, the 3rd switch 144 that comprises by way of second voltage transmission end points 162, second switch 142 at least comprises.
At Fig. 3 and when display unit 110 is in off-mode and need to reads this extensions display capabilities identification data to storage device 132 by portable electronic devices 120 transferring electric powers (the first switch 140 switches to and makes the first voltage transmission end points 152 be coupled to storage device 132 at this moment), the second control unit 138 can optionally be opened a way by control the 3rd switch 144, control the 4th optionally short circuit of switch 146, and control second switch 142 optionally is connected to second switch end points P2, so that battery 170 can be by at least by way of the 4th switch 146, Integrated power circuit 180, the node P2 that second switch 142 comprises, second voltage transmits end points 162, the first voltage transmits end points 152, come storage device 132 is powered with the first switch 140 formed discharge paths.
In one embodiment of this invention, no matter whether portable electronic devices 120 entities are connected in display unit 110, the second control unit 138 all can be controlled the 4th optionally conducting of switch 146, in the situation of the 4th switch 146 selectivity short circuits, making battery 170 be able to Integrated power circuit 180 is discharged, or can be simple in the situation of the 4th switch 146 selectivity open circuit battery 170 is charged.Generally speaking, the visual batteries 170 of the second control unit 138 need to be used for the different situations such as power supply, charging or the electric power transfer that is hedged off from the outer world, come optionally to open simultaneously or close simultaneously the 3rd switch 144 and the 4th switch 146 or only open the 3rd switch 144 and the 4th switch 146 both one of.
As shown in Figure 1, optionally arrange one on the first connecting interface 150 and return data port 154, and return data port 154 display unit 110 not entity connect any device, display unit 110 be connected in portable electronic devices 120, current potential when being connected in a PC with display unit 110 neither with, therefore can according to the current potential at the data of recurrence port 154 point out display unit 110 whether entity be connected in the situation of different device.With embodiment shown in Figure 1, the current potential at return path port 154 can indicate the first connecting interface 150 and be coupled to the second connecting interface 160 and the first voltage and transmit end points 152 and be coupled to the situation that second voltage transmits end points 162, and therefore the first control unit 134 can be controlled according to this first switch 140 and makes power supply unit 136 couple the first voltage to transmit end points 152.
If 110 entities of display unit connect to as if during PC, the practice that can Fig. 4 is implemented.See also Fig. 4, its generalized schematic when being connected with a PC 130 according to display unit that one embodiment of the invention disclose 110.PC 130 comprises one the 3rd connecting interface 190, and the 3rd connecting interface 190 comprises a tertiary voltage Transport endpoint 192.As shown in Figure 4, be coupled to PC 130 so that produce a data channel between the first connecting interface 150 and the 3rd connecting interface 190 when display unit 110, and when the first voltage transmits end points 152 and is connected in the tertiary voltage Transport endpoint 192 that the 3rd linkage interface 190 comprises, the current potential at return path port 154 can react the first voltage and transmit the situation that end points 152 is connected in tertiary voltage Transport endpoint 192, transmit end points 152 so that the first control unit 134 control the first switch 140 makes storage device 132 couple the first voltage, go forward side by side be about to data by storage device 132 by the first connecting interface 150, this data channel, transfer to the action of PC 130 with the 3rd connecting interface 190.Should be noted, utilize recurrence data port 154 to judge that display unit 110 connects PC or portable electronic devices only is one embodiment of the invention; In other embodiments of the invention, can also PC the software installed of 190 softwares of installing or the first control unit 134 implement to judge that display unit 110 is the function that is connected to PC or portable electronic devices at present.
In part embodiment of the present invention, the first connecting interface 150, the second connecting interface 160, can be the image transmission interface with the 3rd connecting interface 190, high-resolution multimedia interface (High Definition Multimedia Interface for example, HDMI) or digital video interface (Digital Visual Interface, DVI) etc.
The first switch to the four switches described in the embodiment of the invention can be mechanical switch, also can be electronic switch, as required choice for use.
Although the present invention discloses as above with embodiment, so it is not to limit the present invention, and protection scope of the present invention is when being as the criterion with claims.
Claims (11)
1. system that is used for to portable electronic devices charging is characterized in that comprising:
Display unit, this display unit comprises:
The first connecting interface comprises the first voltage and transmits end points;
Power supply unit;
Storage device stores a function information;
The first switch, be coupled to this first voltage transmit end points, this power supply unit, with this storage device;
And the first control unit, be coupled to this first switch, connect this power supply unit or this storage device in order to control this first switch selectivity; And
Portable electronic devices comprises:
The second connecting interface comprises second voltage and transmits end points;
Wherein, when this first connecting interface couples this second connecting interface, and this first voltage is when transmitting end points and coupling this second voltage and transmit end points, and this first control unit is controlled this first switch and made this power supply unit couple this first voltage to transmit end points.
2. the system as claimed in claim 1, it is characterized in that coupling this second connecting interface when this first connecting interface, when this first voltage transmission end points couples this second voltage transmission end points, this this first switch of the first control unit look-ahead makes this storage device couple this first voltage and transmits end points, so that this portable electronic devices reads this function information by this storage device, and this function information is for extending display capabilities identification data; And
Wherein when this portable electronic devices should extend display capabilities identification data read complete after, this first control unit is controlled this first switch and is made this power supply unit couple this first voltage to transmit end points.
3. the system as claimed in claim 1 is characterized in that this portable electronic devices comprises in addition:
Second switch is coupled to this second voltage and transmits end points;
Battery is coupled to this second switch;
The Integrated power circuit is coupled to this second switch; And
The second control unit is coupled to this second switch and this Integrated power circuit, is used for controlling this second switch selectivity and connects this battery or this Integrated power circuit.
4. system as claimed in claim 3 is characterized in that this second control unit is controlled this second switch and connected this Integrated power circuit after this first control unit is controlled this first switch and made this power supply unit couple this first voltage to transmit end points.
5. system as claimed in claim 3 is characterized in that this portable electronic devices comprises in addition:
The 3rd switch is coupled between this second switch and this battery, and is coupled to this second control unit; And
The 4th switch is coupled between this battery and this Integrated power circuit, and is coupled to this second control unit.
6. the system as claimed in claim 1, it is characterized in that this first control unit is used for detecting the potential change at a return path port of this display unit in addition, when the current potential at this return path port indicates this first connecting interface and couples this second connecting interface and this first voltage and transmit end points and couple this second voltage and transmit the situation of end points, this first control unit is controlled this first switch makes this power supply unit couple this first voltage transmission end points, and when the current potential at this return path port indicated this first connecting interface and is coupled to the situation of one the 3rd connecting interface that a PC comprises, this first control unit was controlled this first switch and is made this storage device couple this first voltage to transmit end points.
7. the system as claimed in claim 1, it is characterized in that whether a data channel that this first control unit is used for detecting this display unit in addition carries out the program of any information exchange, and when this first control unit detects this data channel when carrying out the program of at least one information exchange, this first control unit is controlled this first switch and is made this storage device couple this first voltage to transmit end points.
8. display unit that is used for to portable electronic devices charging, this portable electronic devices comprises the second connecting interface, and this second connecting interface comprises second voltage and transmit end points, it is characterized in that this display unit comprises:
The first connecting interface comprises the first voltage and transmits end points;
Power supply unit;
Storage device, the memory function information;
The first switch is coupled to this first voltage and transmits end points and this storage device; And
The first control unit is coupled to this first switch, connects this power supply unit or this storage device in order to control this first switch selectivity;
Wherein, when this first connecting interface couples this second connecting interface, this first voltage transmits end points and couples this second voltage and transmit end points, and this first control unit is controlled this first switch and made this power supply unit couple this first voltage to transmit end points.
9. display unit as claimed in claim 8, it is characterized in that coupling this second connecting interface when this first connecting interface, when this first voltage transmission end points couples this second voltage transmission end points, this this first switch of the first control unit look-ahead makes this storage device couple this first voltage and transmits end points, so that this portable electronic devices reads this function information by this storage device, and this function information is for extending display capabilities identification data; And
Wherein when this portable electronic devices should extend display capabilities identification data read complete after, this first control unit is controlled this first switch and is made this power supply unit couple this first voltage to transmit end points.
10. display unit as claimed in claim 8, it is characterized in that this first control unit is used for detecting the potential change at a return path port of this display unit in addition, when the current potential at this return path port indicates this first connecting interface and couples this second connecting interface and this first voltage and transmit end points and couple this second voltage and transmit the situation of end points, this first control unit is controlled this first switch makes this power supply unit couple this first voltage transmission end points, and when the current potential at this return path port indicated this first connecting interface and is coupled to the situation of one the 3rd connecting interface that a PC comprises, this first control unit was controlled this first switch and is made this storage device couple this first voltage to transmit end points.
11. display unit as claimed in claim 8, it is characterized in that whether a data channel that this first control unit is used for detecting this display unit in addition carries out the program of any information exchange, and when this first control unit detects this data channel when carrying out the program of at least one information exchange, this first control unit is controlled this first switch and is made this storage device couple this first voltage to transmit end points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110339946 CN102510112B (en) | 2011-11-02 | 2011-11-02 | System and display device for charging portable electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110339946 CN102510112B (en) | 2011-11-02 | 2011-11-02 | System and display device for charging portable electronic device |
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| CN102510112A CN102510112A (en) | 2012-06-20 |
| CN102510112B true CN102510112B (en) | 2013-10-30 |
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| CN 201110339946 Active CN102510112B (en) | 2011-11-02 | 2011-11-02 | System and display device for charging portable electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104158251B (en) * | 2014-08-13 | 2016-08-24 | 宇龙计算机通信科技(深圳)有限公司 | terminal, charger and charging method |
| CN107544921B (en) * | 2016-06-27 | 2020-06-02 | 慧荣科技股份有限公司 | Storage device and operation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200532350A (en) * | 2004-03-24 | 2005-10-01 | Coretronic Corp | Projection device |
| CN101943844A (en) * | 2009-07-08 | 2011-01-12 | 深圳富泰宏精密工业有限公司 | Multifunctional projector |
| TW201131277A (en) * | 2010-03-01 | 2011-09-16 | Delta Electronics Inc | Power supply module with image projection function |
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2011
- 2011-11-02 CN CN 201110339946 patent/CN102510112B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200532350A (en) * | 2004-03-24 | 2005-10-01 | Coretronic Corp | Projection device |
| CN101943844A (en) * | 2009-07-08 | 2011-01-12 | 深圳富泰宏精密工业有限公司 | Multifunctional projector |
| TW201131277A (en) * | 2010-03-01 | 2011-09-16 | Delta Electronics Inc | Power supply module with image projection function |
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| CN102510112A (en) | 2012-06-20 |
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Effective date of registration: 20170707 Address after: Guangdong Province, Longgang District, Pinghu city Shenzhen Street goose ridge community water seeking Ling Industrial Zone 2 (101, two, third floor) Patentee after: BEST WISDOM ELECTRONICS CO., LTD. Address before: 215011 Zhujianglu Road high tech Zone, Jiangsu, No. 169, Co-patentee before: Qisda Corporation Patentee before: Suzhou Qisda Corporation |