CN2638086Y - Laser pen with external power supply - Google Patents
Laser pen with external power supply Download PDFInfo
- Publication number
- CN2638086Y CN2638086Y CN 03206386 CN03206386U CN2638086Y CN 2638086 Y CN2638086 Y CN 2638086Y CN 03206386 CN03206386 CN 03206386 CN 03206386 U CN03206386 U CN 03206386U CN 2638086 Y CN2638086 Y CN 2638086Y
- Authority
- CN
- China
- Prior art keywords
- power supply
- external power
- laser
- interface
- laser generator
- 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.)
- Expired - Fee Related
Links
Images
Abstract
A laser pen that can be externally connected with a power contains a laser generator, an external power interface, a power switch and a current-limiting resistance. The laser generator is used for generating laser beams. The external power interface is used for being connected with a power supply device and supplying power needed by the laser generator. When in use, the power switch guides the power into the laser generator. The current-limiting resistance is connected between the laser generator and the external power interface to protect the laser generator and avoid the damage caused by over large current that goes through the laser generator.
Description
Technical field
The utility model relates to a kind of laser pen, but the utility model is especially about a kind of laser pen of external power supply.
Prior art
At present laser technology has been applied to medical treatment, industry even military various associated uses, and laser technology is applied to arround people's life as seen its another purposes, then is the laser pen that is used to point out to illustrate emphasis when teaching, speech or meeting bulletin.The basic comprising assembly of laser pen as shown in Figure 1, it comprises that a laser diode 11 is connected with a power supply 12, connects a power switch 13 and a current-limiting resistance 14 between the two.Laser diode 11 is in order to produce laser beam; current limliting electricity limit 14 is in order to protection laser diode 11; avoid excessive electric current to cause damage by laser diode 11; 13 of power switches are to need turn-on power 12 according to the user; make laser diode 11 produce laser beam, be projected to the user part is described.
In order to make the laser pen volume light and handy and carry and easy to operate, the power supply of conventional laser pen all is to be provided by battery, also thereby produce following shortcoming.Because the power consumption of laser diode 11 is big, the serviceable life of battery is generally not long, and the situation of power shortage takes place, and must change battery if when using the situation of power shortage takes place, and causes the bigger inconvenience of user on the contrary.Simultaneously, a large amount of battery consumptions increases the cost that the user uses laser pen, and the refuse battery that is produced also causes the pollution of environment.
In sum, how to make laser pen have abundance and stable power,, reduce the use cost of laser pen, and the minimizing problem of environmental pollution that refuse battery caused is to need the problem that overcomes at present badly to reduce the use of battery.
The utility model content
At the problems referred to above, but the purpose of this utility model for a kind of laser pen of external power supply is provided, its can external abundance and stable power with reduce use in the generation of outage situation.
But another purpose of the present utility model is for providing a kind of laser pen of external power supply, and it can reduce the use of battery, with the use cost of reduction laser pen, and reduces the environmental issue that refuse battery caused
For reaching above-mentioned purpose, but the laser pen of external power supply of the present utility model comprises: a laser generator, an external power interface, a power switch and a current-limiting resistance.This laser generator is in order to produce laser beam.This external power interface is in order to being connected with a power supply device, and provides this laser generator required power supply with this power supply device.This power switch is connected between this laser generator and this external power supply interface, and when the user uses, but the power supply that this power supply device of conducting is provided is to this laser generator.This current-limiting resistance also is connected between this laser generator and this external power interface, in order to protecting this laser generator, to avoid excessive electric current by damage that this laser generator was caused.
But according to the power supply that the laser pen of the utility model external power supply can external use power supply device be provided, the generation of outage situation when therefore capable of reducing using.Also can effectively reduce the use of battery and purchase the use cost of battery, and reduce the environmental issue that refuse battery caused with reduction.
The accompanying drawing simple declaration
Fig. 1 is the circuit diagram of an existing laser pen.
But Fig. 2 is the circuit diagram of a demonstration according to the laser pen of the external power supply of the utility model preferred embodiment.
But Fig. 3 is the circuit diagram of a demonstration according to the laser pen of the external power supply of another preferred embodiment of the utility model.
But Fig. 4 is the circuit diagram of a demonstration according to the laser pen of the external power supply of the another preferred embodiment of the utility model.
Embodiment
Hereinafter with reference to correlative type, but laser pen according to the utility model preferred embodiment external power supply is described, wherein identical assembly will be illustrated with identical reference marks.
Please refer to Fig. 2, but the laser pen of the utility model embodiment external power supply comprises: a laser generator 21, an external power interface 22, a power switch 23 and a current-limiting resistance 24.Laser generator 21 can allow the user be used to refer to the explanation emphasis of teaching or bulletin in order to produce laser beam, and in the present embodiment, laser generator 21 can be a laser diode.External power interface 22 is in order to being connected with a power supply device, and uses for laser generator 21 with the power supply that this power supply device was provided.Power switch 23 is connected between laser generator 21 and the external power supply interface 22, and when the user uses the utility model, but the power supply that this power supply device of conducting is provided is to laser generator 21.Current-limiting resistance 24 also is connected between laser generator 21 and the external power interface 22, in order to protection laser generator 21, the damage that can avoid excessive electric current to cause by laser generator 21.
But below illustrate the mode of operation of the laser pen of external power supply of the present utility model.In recent years the fast development of Information technology, teaching or bulletin utilize computer system to cooperate presentation software to carry out often, be incident upon on the screen through equipment such as projection arrangements, therefore, but the laser pen of the utility model external power supply can utilize habitual computer system that sufficient power supply is provided again.Habitual at present computer system can comprise that USB (UniversalSerial Bus, USB (universal serial bus)) interface, IEEE 1394 interfaces, PS/2 interface or the like all can provide peripheral unit required power supply for the connecting interface of peripheral unit.External power interface 22 of the present utility model is the interface with above-mentioned interface compatibility, in order to being connected with this computer system, but and uses with power supply that this computer system the was provided laser pen for the utility model external power supply.When the power supply of this computer system sufficient and unexpected when deficient, but the laser pen of the utility model external power supply also can not have the misgivings of outage when teaching or bulletin.
But the laser pen of the external power supply of another embodiment of the utility model, as shown in Figure 3.Compare with the embodiment of Fig. 2, present embodiment comprises that also a battery module 25 and switches switch 26.Battery module 25 is also in order to provide laser generator 21 required power supply.26 power supplys that provided in order to selectivity turn-on battery module 25 of change-over switch, or the power supply that power supply device provided is to laser generator 21.That is when but the laser pen of the utility model external power supply does not have to supply the power supply device of connection, the user can change with battery module 25 via change-over switch 26 provides laser generator 21 required power supply, but so can use the laser pen of external power supply of the present utility model separately.
But the laser pen of the external power supply of the another embodiment of the utility model, as shown in Figure 4.Compare with the embodiment of Fig. 2, present embodiment also comprises a mouse apparatus 27, and it is connected with computer installation with laser generator 21 shared external power interfaces 22, but makes the laser pen of external power supply of the present utility model possess mouse apparatus 27 due functions.The left button of mouse apparatus 27, right button, roller and up and down function such as page turning be conventional techniques, do not repeat them here.
But according to the laser pen of external power supply of the present utility model, the power supply that can external use power supply device be provided, but therefore according to the laser pen of external power supply of the present utility model, the generation of outage situation when capable of reducing using.Compared to the conventional laser pen of battery as power supply, also can effectively reduce the use of battery, purchase the use cost of battery with reduction, and reduce the environmental issue that refuse battery caused.
The above only is an illustrative, but not is restricted person.Anyly be familiar with the modification that this operator all can carry out equivalence according to above-mentioned embodiment of the present utility model, and do not break away from its spirit and category.For example, when projection arrangement possesses interface with the external power interface compatibility, also can be used as a power supply device to provide laser generator required power supply.Event is any not to break away from spirit of the present utility model and category, and it is carried out equivalent modifications or change, all should be contained in the scope of claim.
Claims (11)
1. but the laser pen of an external power supply is characterized in that it comprises:
One laser generator is in order to produce laser beam;
One external power interface in order to being connected with a power supply device, and provides this laser generator power supply;
One current-limiting resistance is connected between this laser generator and this external power interface, in order to protect this laser generator, avoids excessive electric current to cause damage by this laser generator; And
One power switch is connected between this laser generator and this external power supply interface, uses when using for the user turn-on power to this laser generator.
2. but the laser pen of external power supply as claimed in claim 1 is characterized in that it is a laser diode that this electricity is penetrated generator.
3. but the laser pen of external power supply as claimed in claim 1 is characterized in that this external power interface is a USB interface.
4. but as the laser pen of claim 1 a described external power supply, wherein this external power interface is an IEEE 1394 interfaces.
5. but, it is characterized in that this external power interface is a PS/2 interface as the laser pen of claim 1 a described external power supply.
6. but the laser pen of external power supply as claimed in claim 1 is characterized in that this power supply device is a computer system.
7. but the laser pen of external power supply as claimed in claim 6 is characterized in that also comprising:
One mouse apparatus is shared this external power interface with this laser generator.
8. but the laser pen of external power supply as claimed in claim 1 is characterized in that also comprising:
One battery module is in order to provide this laser generator power supply; And
One switches switch, the power supply that provides in order to this battery module of selectivity conducting, or the power supply of this power supply device is to this laser generator.
9. but the laser pen of external power supply as claimed in claim 8 is characterized in that this external power interface is a USB interface.
10. but the laser pen of external power supply as claimed in claim 8 is characterized in that this external power interface is an IEEE 1394 interfaces.
11. but the laser pen of external power supply as claimed in claim 8 is characterized in that this external power interface is a PS/2 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03206386 CN2638086Y (en) | 2003-07-24 | 2003-07-24 | Laser pen with external power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03206386 CN2638086Y (en) | 2003-07-24 | 2003-07-24 | Laser pen with external power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2638086Y true CN2638086Y (en) | 2004-09-01 |
Family
ID=34288029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03206386 Expired - Fee Related CN2638086Y (en) | 2003-07-24 | 2003-07-24 | Laser pen with external power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2638086Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887013A (en) * | 2011-07-21 | 2013-01-23 | 格弩(上海)建筑设计有限公司 | Pen |
| CN103049113A (en) * | 2012-12-28 | 2013-04-17 | 青岛爱维互动信息技术有限公司 | Infrared control pen with external power supply |
| CN103065515A (en) * | 2012-12-28 | 2013-04-24 | 青岛爱维互动信息技术有限公司 | Laser pen with combined power supply |
-
2003
- 2003-07-24 CN CN 03206386 patent/CN2638086Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887013A (en) * | 2011-07-21 | 2013-01-23 | 格弩(上海)建筑设计有限公司 | Pen |
| CN103049113A (en) * | 2012-12-28 | 2013-04-17 | 青岛爱维互动信息技术有限公司 | Infrared control pen with external power supply |
| CN103065515A (en) * | 2012-12-28 | 2013-04-24 | 青岛爱维互动信息技术有限公司 | Laser pen with combined power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202749620U (en) | Display device used for universal serial bus (USB) data line / power line | |
| CN2638086Y (en) | Laser pen with external power supply | |
| CN202585958U (en) | Charging light-emitting data line | |
| CN2657319Y (en) | Hand-held mobile communication terminal equipment | |
| CN207020639U (en) | Smart pen with fingerprint | |
| CN205302149U (en) | Prevent outage type computer machine case | |
| CN210199699U (en) | Non-contact terminal input device based on gestures | |
| CN1084294A (en) | The opertaing device of computer monitor power supply | |
| CN204440392U (en) | For external power supply identification circuit and the electronic signature screen of big current touch control device | |
| CN2519939Y (en) | Peripherals power supply adaptive board for computer power source | |
| CN218240791U (en) | KVM debugging terminal | |
| CN212032051U (en) | Display and laser cutting system | |
| CN211264128U (en) | Touch circuit based on vibration | |
| CN217279517U (en) | Remote control pen | |
| CN2569417Y (en) | Reset signal controller for portable device | |
| CN214751816U (en) | Touch control pen device with two kinds of clearing signal sources | |
| CN2550880Y (en) | Non-volatile storage device with laser indication function | |
| CN109597491B (en) | Multifunctional mechanical keyboard capable of being freely switched for use | |
| CN2722304Y (en) | Power supply switch adjusting circuit of manual information processor | |
| CN2575753Y (en) | Universal digital touch control panel | |
| CN215120156U (en) | Portable energy storage power supply control circuit with routing function and energy storage power supply | |
| CN212161195U (en) | 43-inch mining intrinsic safety type intelligent large screen | |
| CN211152055U (en) | Display control circuit of display terminal equipment | |
| CN211043964U (en) | Intelligent monitoring device for smart home | |
| CN212647333U (en) | Intelligent tablet computer that multiport input charges |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040901 |