CN101071254A - Projection device - Google Patents
Projection device Download PDFInfo
- Publication number
- CN101071254A CN101071254A CN 200610081828 CN200610081828A CN101071254A CN 101071254 A CN101071254 A CN 101071254A CN 200610081828 CN200610081828 CN 200610081828 CN 200610081828 A CN200610081828 A CN 200610081828A CN 101071254 A CN101071254 A CN 101071254A
- Authority
- CN
- China
- Prior art keywords
- circuit system
- power circuit
- projection
- computing machine
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Projection Apparatus (AREA)
Abstract
The invention is a projector, comprising projection module, drive module, power supply circuit system and case, where the drive module is connected to the projection module; the power supply circuit system is connected to the drive module and has first connector, where the first connector is connected through transmission lines to USB connector of a computer; the case coats the projection module, drive module and power supply circuit system and exposes part of the first connector; and the USB connector can supply power to the projector so as to bring great convenience to users.
Description
Technical field
The invention relates to a kind of projection arrangement, and particularly relevant for a kind of projection arrangement by the computer supplies power supply.
Background technology
For easy to carry, at present projector on the market has and more makes to heal little trend, wherein the most compact machine, its length and width even also littler than the paper of an A4 size.This type of projector has the characteristic of low consumpting power, and for easy to use, generally can rechargeable battery be set in its inside, to supply its required electric power.So, out of doors or other do not have the place of power receptacle, the projector of this kind rechargeable built-in battery still can use, so promoted the convenience that uses widely.
Fig. 1 is the synoptic diagram that the known projection device is connected with computing machine.Please refer to Fig. 1, known projection device 30 is to be electrically connected to computing machine 50 by signal transmssion line 32, the picture signal of being exported with receiving computer 50.Produce corresponding image beam according to this picture signal more afterwards, and it is projected on the screen, on screen, to form image.These projection arrangement 30 inside are provided with rechargeable battery, so that required electric power to be provided.
Though projection arrangement 30 can provide required electric power by its inner rechargeable battery, when the electric weight of rechargeable battery is not enough, then need be connected to supply socket 60 by breakout box (adapter) 34.This breakout box 34 can convert the alternating current from supply socket 60 outputs to direct current, operates required electric power so that projection arrangement 30 to be provided, and projection arrangement 30 can be charged to the rechargeable battery of its inside.
Yet, for fear of electric weight deficiency, cause projection arrangement 30 to use because of rechargeable battery, the user need carry breakout box 34 usually at any time, so will increase the weight of the required burden of user, and take up room.In addition, in the place that does not have supply socket, when running into the electric weight deficiency of rechargeable battery,, still can't use projection arrangement 30 even carried breakout box 34.In addition, the electric power of supply socket output is provided to projection arrangement 30 and certainly will additionally increase electrical source consumption, cause energy dissipation, and many one group of breakout boxs 34 can the extra expenditure that increases cost by breakout box 34.
Summary of the invention
The purpose of this invention is to provide a kind of projection arrangement, it can provide required power supply by computing machine.
Based on above-mentioned and other purpose, the present invention proposes a kind of projection arrangement, and it is suitable for being electrically connected at least one USB (universal serial bus) (USB) joint of computing machine, to provide projection arrangement required power supply by computing machine.This projection arrangement comprises projection module, driver module, power circuit system and housing.Projection module is suitable for the image beam projection on screen, and driver module is to be electrically connected to projection module, and this driver module is suitable for driving projection module.Power circuit system is to be electrically connected to driver module, and power circuit system has first joint, and this first joint is suitable for being electrically connected to by transmission line this USB joint of computing machine.Housing coats projection module, driver module and power circuit system, and exposes part first joint.
In one embodiment of this invention, above-mentioned projection arrangement also comprises charger and rechargeable battery.Wherein, charger arrangement and is electrically connected to power circuit system in housing, and rechargeable battery is disposed in the housing, and is electrically connected to charger and power circuit system.In addition, when power circuit system electrically connected via first joint and computing machine, charger was suitable for the rechargeable battery charging, and when power circuit system and computing machine were electrically insulated, rechargeable battery was suitable for providing electrical power to power circuit system.
In one embodiment of this invention, above-mentioned projection arrangement also comprises charger, second joint and rechargeable battery.Wherein, charger is to be disposed in the housing, and is electrically connected to power circuit system, and second joint is to be electrically connected to power circuit system and charger, and housing exposes part second joint.Rechargeable battery is to be disposed at outside the housing, and is suitable for being electrically connected to charger and power circuit system by second joint.In addition, when power circuit system electrically connected via first joint and computing machine, charger was suitable for the rechargeable battery charging, and when power circuit system and computing machine were electrically insulated, rechargeable battery was suitable for providing electrical power to power circuit system.
In one embodiment of this invention, above-mentioned projection module comprises light source, light valve (light valve) and the projection lens that is suitable for providing illuminating bundle.Wherein, light valve is disposed on the bang path of illuminating bundle, to convert illuminating bundle to image beam.Projection lens then is disposed on the bang path of image beam, so that image beam is projected on the screen.
In one embodiment of this invention, above-mentioned light source for example be light emitting diode (light emittingdiode, LED).
Projection arrangement of the present invention can utilize the USB joint of computing machine that the characteristic of electric power can be provided, and provides projection arrangement required power supply by computing machine.In the time the picture signal of computing machine need being exported the electric weight deficiency of the battery that but find projection arrangement by projection arrangement, can directly utilize computing machine to provide projection arrangement required electric power, so promptly need not use breakout box, so can save the cost of breakout box.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the synoptic diagram that the known projection device is connected with computing machine.
Fig. 2 is the synoptic diagram that the projection arrangement of one embodiment of the invention is connected with computing machine.
Fig. 3 is the block schematic diagram of the projection arrangement of Fig. 2.
Fig. 4 is the block schematic diagram of the projection arrangement of another embodiment of the present invention.
[main element label declaration]
30,100,100 ': projection arrangement
32,102: signal transmssion line
34: breakout box
50: computing machine
The 52:USB joint
60: supply socket
110: projection module
120: driver module
140: power circuit system
145: housing
150: charger
160,170: rechargeable battery
180: the first joints
190: the second joints
The 200:USB transmission line
Embodiment
Fig. 2 is the synoptic diagram that the projection arrangement of one embodiment of the invention is connected with computing machine.Please refer to Fig. 2, the projection arrangement 100 of present embodiment can be electrically connected to computing machine 50 by signal transmssion line 102, the picture signal of being exported with receiving computer 50.Produce corresponding image beam according to this picture signal more afterwards, and it is projected on the screen (not illustrating), on screen, to form image.In addition, projection arrangement 100 can be electrically connected to the USB joint of computing machine 50 by universal serial bus (USB) transmission line 200, required power supply so that projection arrangement 100 running to be provided by computing machine 50.Below will be further described at the structure of the projection arrangement 100 of present embodiment.
Fig. 3 is the block schematic diagram of the projection arrangement of Fig. 2.Please refer to Fig. 3, the projection arrangement 100 of present embodiment comprises projection module 110, driver module 120, power circuit system 140 and housing 145.Wherein, projection module 110 is to be coupled to driver module 120, and driver module 120 is to be coupled to power circuit system 140.Projection module 110, driver module 120 all are disposed in the housing 145 with power circuit system 140.
In the above-mentioned projection arrangement 100, power circuit system 140 has first joint 180, and housing 145 exposes part first joint 180.200 of USB transmission lines are the USB joints 52 therewith between first joint 180 that is connected in computing machine 50, so that the required electric power of projection arrangement 100 can transfer to the power circuit system 140 of projection arrangement 100 from computing machine 50.In addition, driver module 120 drives projection module 110 according to the picture signal of computing machine 50 output, make its produce with the corresponding image beam of picture signal and with this image beam projection on screen, on screen, to form image.In more detail, above-mentioned projection module 120 comprises light source (not illustrating), light valve (not illustrating) and projection lens (not illustrating).Light source for example is a light emitting diode, it is suitable for providing illuminating bundle, and light valve for example is digital micro-mirror device (digital micro-mirror device, DMD) or monocrystalline silicon LCD panel (liquid crystal onsilicon panel, LCOS panel), it is disposed on the bang path of illuminating bundle, illuminating bundle is converted to the corresponding image beam of being exported with computing machine 50 of picture signal.Projection lens then is to be disposed on the bang path of image beam, so that image beam is projected on the screen.
In one embodiment, for easy to use, projection arrangement 100 can also comprise charger 150 and rechargeable battery 160.Wherein, charger 150 is to be disposed in the housing 145, and is electrically connected to power circuit system 140, and rechargeable battery 160 also is disposed in the housing 145, and is electrically connected to charger 150 and power circuit system 140 respectively.When the electric weight of rechargeable battery 160 was sufficient, power circuit system 140 required electric power can transfer to power circuit system 140 from rechargeable battery 160 by being connected in the electric wire between rechargeable battery 160 and the power circuit system 140.That is, when the electric weight of rechargeable battery 160 is sufficient, can provides power circuit system 140 required electric power by rechargeable battery 160, and not need the USB joint 52 of power circuit system 140 with computing machine 50 electrically connected.
Hold above-mentionedly, when the power shortage of rechargeable battery 160, then USB transmission line 200 can be connected between the USB joint 52 of first joint 180 of power circuit systems 140 and computing machine 50, to provide power circuit system 140 required electric power by computing machine 50.At this moment, charger 150 can be to rechargeable battery 160 chargings.
Because the projection arrangement 100 of present embodiment can directly provide required power supply by computing machine 50, and need not use breakout box, thus the cost of breakout box can be saved, and avoid breakout box to cause extra power consumption, to reach the effect of saving the energy.In addition, compared to breakout box, the weight of USB transmission line 200 and volume are all less, thus can reduce the weight load of user when carrying, and reduce occupation space.In addition, the projection arrangement 200 of present embodiment also can solve known projection device 100 (as shown in Figure 1) out of doors or other do not have the place of supply socket, run into the electric weight of rechargeable battery when not enough, the problem that can't use.
What deserves to be mentioned is, in the unit interval, provide to the electric power of projection arrangement 100 in order to increase computing machine 50 in the present embodiment, can use USB transmission line with polylinker, the one end only has a joint, to be connected to first joint 180 of power circuit system 140, the other end has a plurality of joints, to be connected to a plurality of USB joints of computing machine 50 simultaneously.
Fig. 4 is the block schematic diagram of the projection arrangement of another embodiment of the present invention.Please refer to Fig. 4, the projection arrangement 100 ' of present embodiment is similar to above-mentioned projection arrangement 100 (as shown in Figure 3), and components identical is all represented with identical label in Fig. 4 and Fig. 3.Below only do not exist together and describe at it.The projection arrangement 100 ' of present embodiment also comprises second joint 190, and it is electrically connected to power circuit system 140 and charger 150, and housing 145 exposes part second joint 190.In addition, rechargeable battery 170 is a circumscribed, and it can be electrically connected to power circuit system 140 and charger 150 via second joint 190.
Because the projection arrangement 100 ' of present embodiment has second joint 190 that can be connected with rechargeable battery 170, so when the electric weight deficiency of rechargeable battery 170, can directly change the rechargeable battery of another electric weight abundance, so more convenient in the use.
In sum, projection arrangement of the present invention has following advantage at least:
1. projection arrangement of the present invention can directly provide required power supply by computing machine, and need not use breakout box, so can save the cost of breakout box.
2. compared to the employed breakout box of known technology, the weight of USB transmission line and volume are all less, thus can reduce the weight load of user when carrying, and reduce occupation space.
3. in one embodiment, when the electric weight of rechargeable battery is not enough, can directly change the rechargeable battery of another electric weight abundance, more convenient in the use.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (5)
1. projection arrangement is suitable for being electrically connected at least one common serial bus joint of computing machine, and to provide this projection arrangement required power supply by this computing machine, this projection arrangement comprises:
Projection module is suitable for the image beam projection on screen;
Driver module is electrically connected to this projection module, and this driver module is suitable for driving this projection module;
Power circuit system is electrically connected to this driver module, and this power circuit system has first joint, and this first joint is suitable for being electrically connected to by transmission line this common serial bus joint of this computing machine; And
Housing coats this projection module, this driver module and this power circuit system, and exposes this first joint of part.
2. projection arrangement according to claim 1 also comprises:
Charger is disposed in this housing, and is electrically connected to this power circuit system; And
Rechargeable battery, be disposed in this housing, and be electrically connected to this charger and this power circuit system, wherein when this power circuit system and the electric connection of this computing machine, this charger is suitable for this rechargeable battery charging, and when this power circuit system and this computing machine were electrically insulated, this rechargeable battery was suitable for providing electrical power to this power circuit system.
3. projection arrangement according to claim 1 also comprises:
Charger is disposed in this housing, and is electrically connected to this power circuit system;
Second joint is electrically connected to this power circuit system and this charger, and this housing exposes this second joint of part; And
Rechargeable battery, be disposed at outside this housing, be suitable for being electrically connected to this charger and this power circuit system by this second joint, wherein when this power circuit system and the electric connection of this computing machine, this charger is suitable for this rechargeable battery charging, and when this power circuit system and this computing machine were electrically insulated, this rechargeable battery was suitable for providing electrical power to this power circuit system.
4. projection arrangement according to claim 1, wherein this projection module comprises:
Light source is suitable for providing illuminating bundle;
Light valve is disposed on the bang path of this illuminating bundle, to convert this illuminating bundle to this image beam; And
Projection lens is disposed on the bang path of this image beam, so that this image beam is projected on the screen.
5. projection arrangement according to claim 4, wherein this light source comprises light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610081828 CN101071254A (en) | 2006-05-12 | 2006-05-12 | Projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610081828 CN101071254A (en) | 2006-05-12 | 2006-05-12 | Projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101071254A true CN101071254A (en) | 2007-11-14 |
Family
ID=38898532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610081828 Pending CN101071254A (en) | 2006-05-12 | 2006-05-12 | Projection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101071254A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102196218A (en) * | 2010-03-01 | 2011-09-21 | 台达电子工业股份有限公司 | Projection system and power supply module thereof with projection function |
| CN102364394A (en) * | 2010-07-19 | 2012-02-29 | 明基电通有限公司 | Combined type projector module |
| CN102375306A (en) * | 2010-08-05 | 2012-03-14 | 林慈青 | Projector and use method thereof |
| CN102053463B (en) * | 2009-11-10 | 2012-06-27 | 中强光电股份有限公司 | Projector and power supply control method thereof |
| CN105227819A (en) * | 2011-05-26 | 2016-01-06 | 奥林巴斯株式会社 | Change joint, camera arrangement and image capture method |
-
2006
- 2006-05-12 CN CN 200610081828 patent/CN101071254A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053463B (en) * | 2009-11-10 | 2012-06-27 | 中强光电股份有限公司 | Projector and power supply control method thereof |
| CN102196218A (en) * | 2010-03-01 | 2011-09-21 | 台达电子工业股份有限公司 | Projection system and power supply module thereof with projection function |
| CN102364394A (en) * | 2010-07-19 | 2012-02-29 | 明基电通有限公司 | Combined type projector module |
| CN102375306A (en) * | 2010-08-05 | 2012-03-14 | 林慈青 | Projector and use method thereof |
| CN102375306B (en) * | 2010-08-05 | 2016-08-10 | 林慈青 | Projector and using method thereof |
| CN105227819A (en) * | 2011-05-26 | 2016-01-06 | 奥林巴斯株式会社 | Change joint, camera arrangement and image capture method |
| CN105227819B (en) * | 2011-05-26 | 2018-05-01 | 奥林巴斯株式会社 | Replace connector, camera arrangement and image capture method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100286372B1 (en) | Portable computer | |
| CN101071254A (en) | Projection device | |
| US10574070B1 (en) | Multi-functional hub integrated with AC power supply | |
| US20070229780A1 (en) | Projection apparatus | |
| US20080012524A1 (en) | Chargeable electronic devices and direct current voltage supply systems | |
| US20080002509A1 (en) | Power adapter with discriminate recharging | |
| CN212484911U (en) | Novel LED display system | |
| US11044435B2 (en) | Driver circuit and projector including voltage conversion units at primary side | |
| US7634673B2 (en) | Computer host with bus interface providing output power | |
| US7793118B2 (en) | Electronic device with a plurality of charging modes | |
| US20090251010A1 (en) | Power conversion circuit for reducing power loss and electronic device having such power conversion circuit | |
| CN100421053C (en) | Computer system and adapter card module | |
| US6614708B1 (en) | Non-volatile memory device with built-in laser indicator | |
| CN201307211Y (en) | A projection device | |
| CN110489364A (en) | Output equipment and output equipment control method | |
| US20130024703A1 (en) | Power docking station and universal transmission interface | |
| CN209843216U (en) | LED box and spliced display screen | |
| US20050088626A1 (en) | Projection device with battery pack | |
| CN109298794A (en) | A kind of mechanical keyboard with projecting function | |
| CN219227593U (en) | Communication control circuit and power supply device | |
| CN216345633U (en) | Desk lamp with camera shooting function and capable of charging mobile terminal equipment | |
| US20100277118A1 (en) | Automated power supply | |
| US20230283029A1 (en) | Adapter, electric vehicle, and wire with power delivery function | |
| CN201422024Y (en) | Intelligent charging seat | |
| CN105743178A (en) | Combined mobile power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |