CN1385750A - Digital camera with various photographic light sources - Google Patents
Digital camera with various photographic light sources Download PDFInfo
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- CN1385750A CN1385750A CN 01115853 CN01115853A CN1385750A CN 1385750 A CN1385750 A CN 1385750A CN 01115853 CN01115853 CN 01115853 CN 01115853 A CN01115853 A CN 01115853A CN 1385750 A CN1385750 A CN 1385750A
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Abstract
The invention is concerning with a digital camera with multiple shoot lamp-house, it includes a micro-processor which controls a laser drive-circuit and a flash drive-circuit to drive a infrated laser diode and a flash lamp respectively in order to send out light signal to object, then by using a Charge-Coupled Device (CCD), through a filter it transforms the light signal reflected by the object into digital signal and stores it into storage, hereinto, because the invention combines flash lamp and infrared the two kinds of different lamp-house simultaneously, it can achieve shoot purpose in spite of in daytime or at night.
Description
The present invention is the digital camera of the multiple photographic light sources of a kind of tool, refers to the digital camera of a kind of while in conjunction with flashlamp and infrared light sources especially, so no matter be in the daytime or all can reach the shooting purpose night.
Along with healing, the technology that develops digital camera becomes ripe, usually idiot camera has substituted gradually trend, the captured photo that comes out of reason digital camera is to be digital photo figure shelves, can be widely used in each side, for example the figure shelves that the individual can be liked are needed on the article such as clothing, cup, or these photomap shelves directly can be stored in the computer, store again and must not be processed into the figure shelves through scanner again, have advantages such as permanent preservation and saving collection space.
The operation of digital camera, mainly be to utilize charge coupled cell (Charge Coupled Device, CCD) or complementarity matal-oxide semiconductor (Complementary Metal-OxideSemiconductor, CMOS), will be converted to the digital signal compression by the light signal of object reflection and be stored in the magazine storer.And general digital camera only provides single lighting source, be flashlamp light source or infrared light sources, wherein flashlamp is to be used under the daily illumination, and infrared ray mainly is to use night and takes, but all only be suitable under the single lighting condition, real is inconvenience.
Therefore fundamental purpose of the present invention is at the digital camera that the multiple photographic light sources of a tool is provided, simultaneously in conjunction with flashlamp and two kinds of different lighting sources of infrared ray, therefore applicable to the shooting at night day.
For reaching aforesaid purpose, the digital camera of the multiple photographic light sources of tool proposed by the invention includes: a microprocessor; One flashlight driving circuit is to be connected to this microprocessor to receive it and trigger control signal and control a flashlamp and flash; One laser drive circuit is to be connected to this microprocessor to receive its triggering control signal and control an infrared light-emitting component to send the infrared ray signal; One optical filtering is reflected light signal to be done to filter handle; One charge coupled cell image sensor is to be connected to this microprocessor to control sense period by it, and will transfer digital signal to by the reflected light signal that aforementioned optical filtering optical filtering is handled; And a storer, be to be connected to this charge coupled cell its digital signal is stored.
This infrared light-emitting component is to be an infrared laser diode.
This infrared light-emitting component is to be an infrared light-emitting diode.
For making the auditor can further understand architectural feature of the present invention and other purposes, below in conjunction with drawings and Examples describe in detail as after, wherein:
Fig. 1 is a system block diagrams of the present invention.
Fig. 2 is a timing control signal synoptic diagram of the present invention.
Fig. 3 is the light-filtering characteristic synoptic diagram of optical filtering among the present invention.
The digital camera of the multiple photographic light sources of relevant tool of the present invention please refer to shown in Figure 1ly, and it comprises:
One microprocessor 10 is to be connected to a flashlight driving circuit 20, a laser drive circuit 30 and a charge coupled cell 40, and this charge coupled cell 40 is to be connected to a storer 50.
Wherein, this flashlight driving circuit 20 is to connect control one flashlamp 22, and aforementioned laser driving circuit 30 then is to connect control one infrared laser diode 32 (IR LaserDiode).
The present invention is when taking, can be to take with which kind of light source according to the strong and weak decision of extraneous light as lighting source, in adopting the taking photos by using flashlights pattern under the general situation in the daytime, the light that is provided by flashlamp is as light source, and under the night insufficient light, adopt with the infrared ray source module, with infrared ray as light source.
In the taking photos by using flashlights pattern during as lighting source, this microprocessor 10 produces a trigger pip and gives flashlight driving circuit 20, emit beam by 22 pairs of objects of these flashlight driving circuit 20 control flashlamp again, with as a lighting source, in case light is to see through lens 60 to enter in the optical filtering 42 when being reflected by object, this optical filtering 42 is can receive wavelength of light to be lower than the following visible light of 700nm, light after light microscopic 42 filters after filtration is converted to digital image signal via aforementioned charge coupled cell 40 with light signal again and is stored in the storer 50, finishes and takes action.
Please refer to shown in Figure 2, be under the taking photos by using flashlights pattern, sequential chart by microprocessor 10 these charge coupled cells 40 of control and flashlight driving circuit 20, signal (I) T1 to T2 period wherein, what represent is the sense period of this charge coupled cell 40, and signal (II) T1 to the T3 period, what represent is the cycle that flashlamp light is launched, because of the optical signals of flashlamp 22 is emitted to the time delay that reflection is received a trace, so sense period design ground is longer, and the time detects reflected light signal fully so just can to allow this charge coupled cell 40 have sufficiently.
Refer again to shown in Figure 1, the present invention also can in night light illumination foot use infrared ray as lighting source.When the infrared ray screening-mode, produce a trigger pip by microprocessor 10 and give laser light driving circuit 30 control infrared ray emission sequential, drive 32 pairs of objects of infrared laser diodes infrared ray pulse wave light that to send a string train wave length be 890nm with as light source by this laser drive circuit 30 again, in case infrared ray is to see through lens 60 to enter in the optical filtering 42 when being reflected by object, this optical filtering 42 just can receive the infrared ray that wavelength of light is 890nm, light after light microscopic 42 filters after filtration is converted to digital image signal via aforementioned charge coupled cell 40 with light signal again and is stored in the storer 52, finish and take action, wherein this infrared laser diode 32 also can replace by infrared light-emitting diode (IRLED).
Please refer to shown in Figure 2ly, is under the infrared ray screening-mode, by the sequential chart of microprocessor 10 these charge coupled cells 40 of control and laser drive circuit 30.Wherein signal (III) representative is the sense period of this charge coupled cell 40, and signal (IV), what represent is the infrared laser signal that infrared laser diode 32 is launched, the infrared laser light signal of sense period and emission is to be synchronization action as shown in FIG., because its reflection speed of infrared laser signal is exceedingly fast, almost there is not time delay, so the emission cycle synchronisation that the sense period of charge coupled cell image sensor 40 is designed to and transmits.
Please refer to shown in Figure 3ly, is the light-filtering characteristic synoptic diagram for optical filtering among the present invention 42.As shown in the figure, this optical filtering 42 is can receive wavelength of light to be lower than the following luminous ray of 700nm, and wavelength of light is the infrared ray of 890nm, and the light beyond these two kinds of wavelength coverages then will be stopped by optical filtering 42 entirely and can't enter in the charge coupled cell image sensor 40.
In the aforementioned structure feature description, when learning that characteristics of the present invention are:
The present invention is a digital camera in conjunction with flashlamp and infrared light sources, therefore can select for use optimal light source as lighting source according to the situation of extraneous light, so no matter all can reach the shooting purpose day, night.
In sum, be specifying for a preferred embodiment of the present invention, but not in order to limit claim of the present invention, moreover the present invention has really possessed aforementioned advantages, and also possessing obvious effect compared to existing control device design promotes, therefore, design of the present invention meets the condition of patent of invention, so propose patented claim in accordance with the law.
Claims (3)
1. the digital camera of the multiple bat coupling of a tool light source is characterized in that it includes:
One microprocessor;
One flashlight driving circuit is to be connected to this microprocessor to receive it and trigger control signal and control a flashlamp and flash;
One laser drive circuit is to be connected to this microprocessor to receive its triggering control signal and control an infrared light-emitting component to send the infrared ray signal;
One optical filtering is reflected light signal to be done to filter handle;
One charge coupled cell image sensor is to be connected to this microprocessor to control sense period by it, and will transfer digital signal to by the reflected light signal that aforementioned optical filtering optical filtering is handled; And
One storer is to be connected to this charge coupled cell its digital signal is stored.
2. the digital camera of the multiple photographic light sources of tool according to claim 1 is characterized in that, this infrared light-emitting component is to be an infrared laser diode.
3. the digital camera of the multiple photographic light sources of tool according to claim 1 is characterized in that, this infrared light-emitting component is to be an infrared light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01115853 CN1385750A (en) | 2001-05-10 | 2001-05-10 | Digital camera with various photographic light sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01115853 CN1385750A (en) | 2001-05-10 | 2001-05-10 | Digital camera with various photographic light sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1385750A true CN1385750A (en) | 2002-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01115853 Pending CN1385750A (en) | 2001-05-10 | 2001-05-10 | Digital camera with various photographic light sources |
Country Status (1)
| Country | Link |
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| CN (1) | CN1385750A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626457B (en) * | 2008-07-08 | 2011-09-07 | 华晶科技股份有限公司 | Image capturing method |
| CN103986885A (en) * | 2013-02-08 | 2014-08-13 | 博立码杰通讯(深圳)有限公司 | Infrared camera |
| CN105959586A (en) * | 2016-05-25 | 2016-09-21 | 北京理工大学 | High-speed shooting flashlight enhancement device |
| WO2017147841A1 (en) * | 2016-03-03 | 2017-09-08 | 陈台国 | System for night photography and method thereof |
-
2001
- 2001-05-10 CN CN 01115853 patent/CN1385750A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626457B (en) * | 2008-07-08 | 2011-09-07 | 华晶科技股份有限公司 | Image capturing method |
| CN103986885A (en) * | 2013-02-08 | 2014-08-13 | 博立码杰通讯(深圳)有限公司 | Infrared camera |
| CN103986885B (en) * | 2013-02-08 | 2017-12-01 | 博立码杰通讯(深圳)有限公司 | A kind of infrared camera |
| WO2017147841A1 (en) * | 2016-03-03 | 2017-09-08 | 陈台国 | System for night photography and method thereof |
| CN105959586A (en) * | 2016-05-25 | 2016-09-21 | 北京理工大学 | High-speed shooting flashlight enhancement device |
| CN105959586B (en) * | 2016-05-25 | 2019-05-03 | 北京理工大学 | A kind of high-speed photography flash of light enhancement device |
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