CN101990024A - Cell phone and laser ranging method thereof - Google Patents
Cell phone and laser ranging method thereof Download PDFInfo
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- CN101990024A CN101990024A CN2009100129276A CN200910012927A CN101990024A CN 101990024 A CN101990024 A CN 101990024A CN 2009100129276 A CN2009100129276 A CN 2009100129276A CN 200910012927 A CN200910012927 A CN 200910012927A CN 101990024 A CN101990024 A CN 101990024A
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Abstract
The invention discloses a cell phone which comprises a laser emitter, a laser detector, a laser ranging circuit and a laser ranging software module which is connected with the laser ranging circuit through a software and hardware interface of the cell phone. The laser ranging circuit can control the starting of the laser emitter and the laser detector according to control instructions transmitted by the laser ranging software module, detect signals of emitted and detected laser and transmit the signals to the laser ranging software module, and the laser ranging software module can calculate a distance between the computer and an object to be detected according to the difference of the signals of the emitted and detected laser. The invention further discloses a laser ranging method for the cell phone. The cell phone has the laser ranging function on the basis of the basic functions of the cell phone, so that users can measure range by the cell phone accurately and conveniently.
Description
Technical field
The present invention relates to a kind of mobile phone, particularly relate to a kind of mobile phone and laser distance measurement method thereof.
Background technology
On the one hand, mobile phone is as mobile radio communication device, and development is swift and violent, has become the indispensable communication equipment of people's daily life at present.On the applicable basis of the basic training of mobile phone, widen the aspect that mobile phone is used, meet popular consumer psychology.
On the other hand, laser has the characteristics of high directivity, can effectively transmit long distance, thereby laser is often used in the measurement of distance, just can realize by laser such as rangefinder.Utilize that laser carries out that distance detection is simple to operate, speed is fast and accurately, its error only be that 1/5th of other optical rangefinder arrives hundreds of/one, thereby is widely used.
Therefore, increase laser ranging function on the software and hardware basis of mobile phone, can widen the range of application of mobile phone, the work that is convenient for people to and life are of great value developing direction.
Summary of the invention
The technical problem to be solved in the present invention is the defective that does not possess distance measurement function for the mobile phone that overcomes prior art, and a kind of mobile phone and laser distance measurement method thereof that possesses laser ranging function is provided.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of mobile phone, its characteristics are that it comprises the laser ranging software module that a generating laser, a laser detector, a laser ranging circuit and an interface between software and hardware that passes through this mobile phone link to each other with this laser ranging circuit;
This laser ranging circuit is controlled the startup of this generating laser and this laser detector according to the control instruction that this laser ranging software module sends, and surveys the signal of launched and detected laser and is sent to this laser ranging software module;
This laser ranging software module is calculated distance between this mobile phone and the object under test according to the signal difference of this launched and detected laser.
Preferably, this laser ranging circuit comprises a control circuit; This control circuit is controlled the Laser emission of this generating laser according to this control instruction, surveys this by a photoelectric switching circuit and is launched the signal of laser and is sent to this laser ranging software module; This control circuit is controlled the laser detection of this laser detector also according to this control instruction, surveys the signal of this detected laser and is sent to this laser ranging software module by another photoelectric switching circuit.
Preferably, this laser ranging software module comprises:
One control module is used for sending this control instruction to this control circuit;
One signal receiving module is for the signal that receives this launched and detected laser from this control circuit;
One computing module is used for signal difference according to this launched and detected laser and calculates distance between this mobile phone and this object under test.
Another technical scheme of the present invention is: a kind of laser distance measurement method of above-mentioned mobile phone, and its characteristics are that it may further comprise the steps:
S
1, the user starts this laser ranging software module;
S
2, the interface between software and hardware of this laser ranging software module by this mobile phone be to this laser ranging circuit sending controling instruction;
S
3, this laser ranging circuit is according to this control instruction, starts this generating laser to the object under test Emission Lasers, survey this and be launched the signal of laser and be sent to this laser ranging software module;
S
4, this laser ranging circuit is according to this control instruction, starts this laser detector and detects laser by this object under test reflection, survey the signal of this detected laser and be sent to this laser ranging software module;
S
5, this laser ranging software module calculates distance between this mobile phone and this object under test according to the signal difference of this launched and detected laser.
Preferably, this laser ranging circuit comprises a control circuit; This control circuit is controlled the Laser emission of this generating laser according to this control instruction, surveys this by a photoelectric switching circuit and is launched the signal of laser and is sent to this laser ranging software module; This control circuit is controlled the laser detection of this laser detector also according to this control instruction, surveys the signal of this detected laser and is sent to this laser ranging software module by another photoelectric switching circuit.
Positive progressive effect of the present invention is: the present invention has increased laser ranging function on the basis of the basic function of mobile phone, thereby so that the user can utilize the mobile phone of carrying to realize easily and accurately range measurement.
Description of drawings
Fig. 1 is the structural representation of mobile phone of the present invention.
Fig. 2 is the scheme of installation of generating laser and laser detector in the mobile phone of the present invention.
Fig. 3 is the flow chart of the laser distance measurement method of mobile phone of the present invention.
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
As shown in Figure 1, the mobile phone that possesses laser ranging function of the present invention comprises also that on the software and hardware basis of existing mobile phone a generating laser 1, a laser detector 2, are integrated in the laser ranging software module 4 that the laser ranging circuit 3 and on this cell phone mainboard links to each other with this laser ranging circuit 3 by the interface between software and hardware of this mobile phone, and wherein the interface between software and hardware of this mobile phone specifically comprises the software platform 5 and the hardware platform 6 of this mobile phone.This generating laser 1 and this laser detector 2 can select to be installed in the back side of this phone housing, as shown in Figure 2, and to be user-friendly to this laser ranging function.
The control command that this laser ranging circuit 3 sends according to this laser ranging software module 4, control the startup of this generating laser 1 and this laser detector 2, survey the corresponding signal of launched and detected laser then, and these two corresponding signals are sent to this laser ranging software module 4 handle.This laser ranging software module 4 then is responsible for calculating distance between this mobile phone and the object under test according to the difference between the corresponding signal of this launched and detected laser.At this, the mode of calculating distance according to the difference between the corresponding signal of launched and detected laser can comprise various existing laser distance measurement methods, time difference between the corresponding signal of launched and detected laser relatively for example, perhaps phase difference between the corresponding signal of launched and detected laser or the like relatively.
Particularly, this laser ranging circuit 3 comprises a control circuit 31.In Laser emission and corresponding acquisition of signal, this control circuit 31 directly is electrically connected with this generating laser 1 on the one hand, with according to the control instruction from this laser ranging software module 4, controls the Laser emission of this generating laser 1; On the other hand, this control circuit 31 is also surveyed this by a photoelectric switching circuit 32 and is launched the corresponding signal of laser, and this signal is sent to this laser ranging software module 4.In laser detection and corresponding acquisition of signal, this control circuit 31 is controlled the laser detection of this laser detector 2 on the one hand according to the control instruction from this laser ranging software module 4; On the other hand, this control circuit 31 is also surveyed the corresponding signal of this detected laser by another photoelectric switching circuit 33, and this signal also is sent to this laser ranging software module 4.
4 of this laser ranging software modules comprise: a control module 41 is used for to this control circuit 31 sending controling instructions; One signal receiving module 42 is used for from the corresponding signal of this control circuit 31 these launched and detected lasers of reception; One computing module 43 is used for according to the difference between the corresponding signal of this launched and detected laser, calculates the distance between this mobile phone and this object under test.
As shown in Figure 3, the laser distance measurement method of mobile phone of the present invention may further comprise the steps:
Step 100, the user starts the laser ranging function of this mobile phone, namely starts this laser ranging software module.
Step 101, this laser ranging software module are passed through the interface between software and hardware of this mobile phone to this laser ranging circuit sending controling instruction.
Step 102, this laser ranging circuit start this generating laser to the object under test Emission Lasers according to this control instruction, survey then the corresponding signal that this is launched laser, and this signal is sent to this laser ranging software module.
Step 103, this laser ranging circuit start this laser detector and detect the laser that is reflected by this object under test according to this control instruction, survey then the corresponding signal of this detected laser, and this signal also is sent to this laser ranging software module.
Step 104, this laser ranging software module are calculated the distance between this mobile phone and this object under test according to the difference between the corresponding signal of this launched and detected laser.
Wherein, in step 102, this control circuit is controlled the Laser emission of this generating laser according to this control command, survey the corresponding signal that this is launched laser by a photoelectric switching circuit then, and this signal is sent to this laser ranging software module handles.
Wherein, in step 103, this control circuit is controlled the laser detection of this laser detector according to this control command, survey the corresponding signal of this detected laser then by another photoelectric switching circuit, and this signal also is sent to this laser ranging software module handles.
In sum, the present invention has increased laser ranging function on the basis of the basic function of mobile phone, thereby the mobile phone that makes the user to utilize to carry is realized range measurement easily and accurately.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, under the prerequisite that does not deviate from principle of the present invention and essence, can make various changes or modifications to these embodiments.Therefore, protection scope of the present invention is limited by appended claims.
Claims (5)
1. a mobile phone is characterized in that, it comprises the laser ranging software module that a generating laser, a laser detector, a laser ranging circuit and an interface between software and hardware that passes through this mobile phone link to each other with this laser ranging circuit;
This laser ranging circuit is controlled the startup of this generating laser and this laser detector according to the control instruction that this laser ranging software module sends, and surveys the signal of launched and detected laser and is sent to this laser ranging software module;
This laser ranging software module is calculated distance between this mobile phone and the object under test according to the signal difference of this launched and detected laser.
2. mobile phone as claimed in claim 1 is characterized in that, this laser ranging circuit comprises a control circuit; This control circuit is controlled the Laser emission of this generating laser according to this control instruction, surveys this by a photoelectric switching circuit and is launched the signal of laser and is sent to this laser ranging software module; This control circuit is controlled the laser detection of this laser detector also according to this control instruction, surveys the signal of this detected laser and is sent to this laser ranging software module by another photoelectric switching circuit.
3. mobile phone as claimed in claim 2 is characterized in that, this laser ranging software module comprises:
One control module is used for sending this control instruction to this control circuit;
One signal receiving module is for the signal that receives this launched and detected laser from this control circuit;
One computing module is used for signal difference according to this launched and detected laser and calculates distance between this mobile phone and this object under test.
4. the laser distance measurement method of mobile phone as claimed in claim 1 is characterized in that, it may further comprise the steps:
S
1, the user starts this laser ranging software module;
S
2, the interface between software and hardware of this laser ranging software module by this mobile phone be to this laser ranging circuit sending controling instruction;
S
3, this laser ranging circuit is according to this control instruction, starts this generating laser to the object under test Emission Lasers, survey this and be launched the signal of laser and be sent to this laser ranging software module;
S
4, this laser ranging circuit is according to this control instruction, starts this laser detector and detects laser by this object under test reflection, survey the signal of this detected laser and be sent to this laser ranging software module;
S
5, this laser ranging software module calculates distance between this mobile phone and this object under test according to the signal difference of this launched and detected laser.
5. the laser distance measurement method of mobile phone as claimed in claim 4 is characterized in that, this laser ranging circuit comprises a control circuit; This control circuit is controlled the Laser emission of this generating laser according to this control instruction, surveys this by a photoelectric switching circuit and is launched the signal of laser and is sent to this laser ranging software module; This control circuit is controlled the laser detection of this laser detector also according to this control instruction, surveys the signal of this detected laser and is sent to this laser ranging software module by another photoelectric switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100129276A CN101990024A (en) | 2009-07-31 | 2009-07-31 | Cell phone and laser ranging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100129276A CN101990024A (en) | 2009-07-31 | 2009-07-31 | Cell phone and laser ranging method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101990024A true CN101990024A (en) | 2011-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100129276A Pending CN101990024A (en) | 2009-07-31 | 2009-07-31 | Cell phone and laser ranging method thereof |
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| Country | Link |
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| CN (1) | CN101990024A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604413A (en) * | 2013-11-20 | 2014-02-26 | 南昌航空大学 | Space distance measurement method based on intelligent cell phone |
| CN104991244A (en) * | 2015-06-19 | 2015-10-21 | 上海卓易科技股份有限公司 | Method for measuring target object distance, device measuring target object distance and mobile terminal |
| CN109756593A (en) * | 2018-10-31 | 2019-05-14 | 信利光电股份有限公司 | Distance sensing devices and method under a kind of screen |
-
2009
- 2009-07-31 CN CN2009100129276A patent/CN101990024A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604413A (en) * | 2013-11-20 | 2014-02-26 | 南昌航空大学 | Space distance measurement method based on intelligent cell phone |
| CN104991244A (en) * | 2015-06-19 | 2015-10-21 | 上海卓易科技股份有限公司 | Method for measuring target object distance, device measuring target object distance and mobile terminal |
| CN109756593A (en) * | 2018-10-31 | 2019-05-14 | 信利光电股份有限公司 | Distance sensing devices and method under a kind of screen |
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Application publication date: 20110323 |