CN1166982C - Digital camera with auxiliary light source and its light compensation method - Google Patents
Digital camera with auxiliary light source and its light compensation method Download PDFInfo
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- CN1166982C CN1166982C CNB011293799A CN01129379A CN1166982C CN 1166982 C CN1166982 C CN 1166982C CN B011293799 A CNB011293799 A CN B011293799A CN 01129379 A CN01129379 A CN 01129379A CN 1166982 C CN1166982 C CN 1166982C
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Abstract
The present invention relates to a digital camera with an auxiliary light source and the light compensation method thereof, which can utilize an auxiliary light source to provide continuous lighting and light compensation for making up discontinuous flashing during continuous shooting. Therefore, during the continuous shooting, excellent pictures with enough lighting can be obtained.
Description
The present invention relates to a kind of digital camera and light compensation method thereof, particularly a kind of digital camera and light compensation method thereof with secondary light source.
Another title of digital camera is " digital still camera " (DSC; Digital Still Camera), in order to distinguish with digital Dynamic Photography machine, digital camera is to utilize digitized information to store the captured image that gets, but it utilizes the disk or the PCMUA storage cards such as (Personal ComputerMemory Card International Association) of a recording image, store static image, in order to save the employed storage space of medium, usually the captured image of digital camera all is to store with packed data, common have JPEG (Joint Photographic Experts Group, a JPEG (joint photographic experts group)) data layout.
And the speed that digital camera is weeded out the old and bring forth the new is more and more faster, and additional function is also more and more, and the surface structure of relative manipulation function also becomes increasingly complex; The digital camera that has has at present had the function of continuous shooting, can take continuous picture.But when taking static image, because there is flashlamp to do the action of light filling, so picture is unlikely to have the situation generation of insufficient light.But under the state of taking continuously, flashlamp can be ineffective (because flashlamp can't be done the action of continuous light filling, that is to say can't be luminous continuously), adjust aperture so at this moment just need enter the manipulation function table, when avoiding taking continuously, the situation of picture insufficient light takes place.
But owing to select the action of adjustment too complicated, may wait until that the user adjusts when finishing, action or the continuous pictures wanting to take disappear, and cause the suitable inconvenience of user.
For addressing the above problem, the purpose of this invention is to provide a kind of digital camera and light compensation method thereof with secondary light source, can when taking continuously, utilize a secondary light source that continuous illumination is provided, exempt the trouble of adjusting aperture.
For realizing above-mentioned purpose, according to the digital camera with secondary light source of the present invention, include at least: one has the camera main-body of the function of picked-up image; And a secondary light source, utilize an interface to be connected in this camera main-body; Described camera main-body includes a light measuring circuit and a start-up circuit, this light measuring circuit can be responded to extraneous insufficient light, and this start-up circuit is moved, this start-up circuit sends one by described interface and controls signal to described secondary light source, described secondary light source receives this control signal, and this secondary light source is started, continuous illumination is provided.
On the other hand, according to the light compensation method with digital camera of secondary light source of the present invention, digital camera is transformed into continuous shooting state to be taken continuously, and confirm extraneous insufficient light, the start-up circuit that relends by camera main-body sends a control signal, through interface this control signal is sent to secondary light source, this secondary light source is started, and then continuous illumination is provided.
According to digital camera and the light compensation method thereof with secondary light source of the present invention, owing to include a camera main-body and a secondary light source, this secondary light source utilizes an interface to be connected in this camera main-body, when extraneous insufficient light, receives the control signal that camera main-body sent through interface, and the startup secondary light source, continuous illumination is provided, so, can be when continuous shooting, use continuous illumination, thereby can exempt the trouble of adjusting aperture.
Following can have further understanding with reference to accompanying drawing to purpose of the present invention, structural attitude and function thereof to the detailed description of embodiments of the invention.
Brief Description Of Drawings
Fig. 1 is the stereoscopic synoptic diagram that has the digital camera of secondary light source according to of the present invention;
Fig. 2 is the formation block scheme that has the digital camera of secondary light source according to of the present invention; And
Fig. 3 is the flow chart of steps according to the light compensation method of the digital camera with secondary light source of the present invention.
As shown in Figure 1, according to the digital camera with secondary light source of the present invention, include camera main-body 10 and secondary light source 20, camera main-body 10 has the function (static and shooting continuously) of picked-up image, and secondary light source 20 is connected in camera main-body 10 through interface 23, interface 23 can for example be the interface of universal serial (USB) or the like, can be when extraneous insufficient light (especially when taking continuously), receive the control signal that camera main-body 10 is transmitted through interface 23, and secondary light source 20 is started, continuous illumination is provided, and can not makes the situation of the picture generation insufficient light of shooting.
Consult Fig. 2, camera main-body 10 has the function of picked-up image, by control module 102 its whole actions of control, and provide digital camera required electric power by power-supply unit 104, when taking static image, as insufficient light, can be by the startup of flashing light unit 105, carry out the action of light filling, to remedy the deficiency of extraneous light.When being in continuous shooting, because flashing light unit 105 can't act on (can't group flashing light), so utilize light measuring circuit 101 inductions to judge whether extraneous light is sufficient, satisfies photographing request as extraneous light, then directly takes; If extraneous insufficient light then sends a control signal by start-up circuit 103, receive and be sent to light source body 21 by interface 23, secondary light source 20 is started, and then continuous illumination is provided.
On the other hand, the power source of secondary light source 20 also can utilize the power-supply unit 104 of camera main-body 10, and power-supply unit 22 (not shown) that need utilization itself.Fixed mount 24 summarys are the L type, one end can be fixed on the fixed cell 151 on tripod 15 tops, be fixed on tripod 15 tops jointly with camera main-body 10 (utilizing its fixed orifice 13), and make light source body 21 place camera main-body 10 1 sides, because when taking continuously, utilize fixedly digital camera of tripod 15 more, just can obtain preferable picture, so design is fixed on secondary light source 20 on the tripod 15 together, certainly, because fixing mode is quite a lot of, do not limit to this kind method, do not repeat them here.
Consult Fig. 3, according to the light compensation method with digital camera of secondary light source of the present invention, at first digital camera is switched to continuous photographing mode (step 41), push the shutter key (not shown) again and start shooting (step 42) continuously, simultaneously, light measuring circuit 101 comes into operation, judge the extraneous enough light (step 43) that whether has, when the external world is bright and clear, wait for that then the user decontrols shutter key after, stop to take (step 47).
And when extraneous insufficient light, then send a control signal (step 44) by start-up circuit 103, transmit the light source body 21 (step 45) that controls signal to secondary light source 20 through interface 23, secondary light source 20 is started, and provide continuous illumination (step 46), when making continuous shooting, can not produce the situation of picture insufficient light.Equally, after the wait user decontrols shutter key, stop to take (step 47).In addition, also can on secondary light source 20, install a switch additional, start secondary light source 20 when the insufficient light, also have identical functions by manual mode.
The preferred embodiments of the present invention more than have been described, but and non-limiting practical range of the present invention; In every case variation that is equal to and the modification done of the scope that defines according to the accompanying Claim book is all claim scope of the present invention and contains.
Claims (11)
1. the digital camera with secondary light source is characterized in that, includes at least:
One has the camera main-body of the function of picked-up image; And
One secondary light source utilizes an interface to be connected in this camera main-body;
Described camera main-body includes a light measuring circuit and a start-up circuit, this light measuring circuit can be responded to extraneous insufficient light, and this start-up circuit is moved, described start-up circuit sends one by described interface and controls signal to described secondary light source, described secondary light source receives this control signal, and this secondary light source is started, continuous illumination is provided.
2. as the digital camera with secondary light source of claim 1 record, it is characterized in that described interface is a universal serial.
3. as the digital camera with secondary light source of claim 1 record, it is characterized in that described secondary light source provides required electric power by described camera main-body.
4. as the digital camera with secondary light source of claim 1 record, it is characterized in that described secondary light source includes:
The light source body of described continuous illumination is provided;
In order to the power-supply unit of described light source body required electric power to be provided; And
In order to described secondary light source is fixed in the fixed mount on the described camera main-body.
5. as the digital camera with secondary light source of claim 4 record, it is characterized in that also including a tripod, this tripod top has a fixed cell, can be connected in described camera main-body bottom in order to pass described fixed mount, and described secondary light source is fixed on the described camera main-body, and can support described camera main-body.
6. as the digital camera with secondary light source of claim 5 record, it is characterized in that described fixed mount is L type structure, described light source body can be fixedly supported to described camera main-body one side.
7. light compensation method with digital camera of secondary light source, this digital camera includes a camera main-body and a secondary light source, this secondary light source is to be connected in this digital camera through the universal serial interface, and this camera main-body has a start-up circuit, and this method comprises following steps:
This digital camera is switched to continuous photographing mode;
Start continuously and take;
Confirm extraneous insufficient light;
Send a control signal by described start-up circuit;
Transmit this through described universal serial interface and control signal to described secondary light source; And
Provide continuous illumination by described secondary light source;
Take continuously up to stopping shooting.
8. as the light compensation method of the digital camera with secondary light source of claim 7 record, it is characterized in that the step of the extraneous insufficient light of described affirmation, is the light measuring circuit running that utilizes described camera main-body, to judge extraneous insufficient light.
9. as the digital camera with secondary light source of claim 4 record, it is characterized in that, described secondary light source is when camera main-body is in continuous shooting state, continuous illumination is provided, described interface is located on this light source body, and in order to transmit signal that described camera main-body sends to this light source body and this light source body is started.
10. as the digital camera with secondary light source of claim 9 record, it is characterized in that described fixed mount summary is the L type, can be in order to being connected to the tripod top of this digital camera, and this light source body is fixedly supported to a side of this camera main-body.
11. the digital camera with secondary light source as claim 9 record is characterized in that described interface is a universal serial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011293799A CN1166982C (en) | 2001-06-14 | 2001-06-14 | Digital camera with auxiliary light source and its light compensation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011293799A CN1166982C (en) | 2001-06-14 | 2001-06-14 | Digital camera with auxiliary light source and its light compensation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1392447A CN1392447A (en) | 2003-01-22 |
| CN1166982C true CN1166982C (en) | 2004-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011293799A Expired - Fee Related CN1166982C (en) | 2001-06-14 | 2001-06-14 | Digital camera with auxiliary light source and its light compensation method |
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| Country | Link |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799997A (en) * | 2009-11-05 | 2010-08-11 | 刘仁俊 | Wireless teaching seehear and application thereof |
| JP5959957B2 (en) * | 2012-06-27 | 2016-08-02 | キヤノン株式会社 | Imaging apparatus and control method thereof |
| CN104010150B (en) * | 2013-02-27 | 2018-06-01 | 联想(北京)有限公司 | The method and electronic equipment of a kind of Image Acquisition |
| CN106154693A (en) * | 2015-07-12 | 2016-11-23 | 董慧强 | A kind of flash lamp |
| WO2019033395A1 (en) * | 2017-08-18 | 2019-02-21 | 刘颂东 | Portable amphibious light-triggered/medium-macro photography light supplement system |
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2001
- 2001-06-14 CN CNB011293799A patent/CN1166982C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1392447A (en) | 2003-01-22 |
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