CN1635418A - Image acquisition device with proximity induction function - Google Patents
Image acquisition device with proximity induction function Download PDFInfo
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- CN1635418A CN1635418A CN200310124290.2A CN200310124290A CN1635418A CN 1635418 A CN1635418 A CN 1635418A CN 200310124290 A CN200310124290 A CN 200310124290A CN 1635418 A CN1635418 A CN 1635418A
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- control signal
- arithmetic device
- proximity switch
- type proximity
- image capture
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Abstract
This invention relates to an image catching device with near sensing function, which comprises the following steps: one lens to receive one image light; one shutter pose the image light caught by the lens within certain time; one focus module to focus the image by lens; one light sensing element to catch the focused image when starting the shutter; one first sensing near switch to output the first control signal and start the shutter when sensed.
Description
Technical field
The present invention relates to a kind of image capture unit, particularly a kind of have an image capture unit that closely connects inducing function.
Background technology
Photography and photographic means are because the technical development maturation, now be the popular consumer products of popularizing, especially digital photography and photographic means since its gradually low priceization reach and the connectivity of other peripheral electronic product, also allowing has the trend that replaces traditional egative film formula camera and traditional magnetic tape type video camera gradually such as digital camera and digital camera.See also Fig. 1, Fig. 1 is the front view of a known digital camera 10.Digital camera 10 comprises a camera lens 12, be used for capturing the scenery that desire is taken, one optical profile type picture window 14, it is made of some lens combination, the user can enter optical profile type picture window 14 again via lens dioptric imaging by light, and the scenery of watching desire to take by optical profile type picture window 14, a press-down type shutter key 16, the user can shutter key 16 be focused and the function of filmed image by pressing.See also Fig. 2, Fig. 2 is the rear view of digital camera 10, digital camera 10 comprises an EVF (electricviewfinder) 18 in addition, it can provide the user selection of another kind of view outside optical profile type picture window 14, and EVF 18 can be a LCD (liquid crystal display, LCD) or a low temperature polycrystalline silicon display (low temperature poly silicon, display device such as LTPS), and a control knob group 20, the user can carry out image editing by controlling control knob group 20, browse or work such as photographic parameter setting.And between digital camera 10 and the traditional egative film formula camera wherein a difference provide EVF 18 for digital camera 10, the scenery that the user can take by these EVF 18 preview desires before and after taking or browse the photo of having taken, and be not used in 14 scenery of watching desire to take on the less optical profile type picture window, and can be after filming image finish, 18 browse captured image on EVF.
And most now camera also provides the function of so-called two-part shutter, that is to say when the user desires to take action, can press earlier first section of the two-part shutter with focus automatically and photometry and scenery that desire is taken in advance in the function of EVF preview, and after preview, proceed to take if determine, then can press second section of the two-part shutter again so that this image is stored in the internal memory of digital camera, and just finish the action of filming image.Yet the user is when pressing the shutter key pick-up image, tend to cause the photo of shooting that the phenomenon of the bad or image fog of focusing is arranged because of the vibration that button key produced of manually tripping, especially in shutter speed too slow or aperture to open when big situation more obvious, just can cause thus remedying taking the sorry of important view or time.
Summary of the invention
The present invention provides a kind of image capture unit that closely connects inducing function that has, to solve the above problems.
Claim of the present invention is to disclose a kind of image capture unit that closely connects inducing function that has, and it includes a camera lens, is used for receiving light, one photosensory assembly, be used for via this camera lens pick-up image, a shutter is used for making photosensory assembly that this camera lens picked image is exposed, one first induction type proximity switch, be used for when sensed, export one first control signal starting this shutter, and a focusing module, be used for this camera lens is focused, and take pictures.
The accompanying drawing summary
Fig. 1 is the front view of known digital camera.
Fig. 2 is the rear view of known digital camera.
Fig. 3 is the functional block diagram of image capture unit of the present invention.
Fig. 4 is the front view of image capture unit.
Fig. 5 starts the process flow diagram of Focusing module for image capture unit.
Fig. 6 starts the process flow diagram of shutter for image capture unit.
Fig. 7 is the functional block diagram of the first induction type proximity switch.
Fig. 8 is the functional block diagram of the second induction type proximity switch.
The reference numeral explanation
10 digital cameras, 12 camera lenses
14 optical profile type picture window, 16 press-down type shutter key
18 EVFs, 20 control knob groups
21 image capture units, 22 camera lenses
24 photosensory assemblies, 26 shutters
28 Focusing modules, 30 first induction type proximity switch
32 second induction type proximity switch, 34 timers
36 timer switch, 38 first arithmetic devices
40 second arithmetic devices, 42 first inductors
44 second inductor C1, first electric capacity
C2 second electric capacity
Embodiment
See also Fig. 3, Fig. 3 is the functional block diagram of image capture unit 21 of the present invention.Image capture unit 21 includes a camera lens 22, be used for receiving light, one photosensory assembly 24, be used for via camera lens 22 pick-up images, it can convert the light signal that camera lens 22 is received to electric signal, if light receiving pixel is many more, then the resolution of photographic images just can be high more, it can comprise a plurality of photosensitive coupling components (charge coupleddevice, CCD) or comprise a plurality of complementary metal oxide semiconductor (CMOS)s (complementarymetal-oxide semiconductor, CMOS), one shutter 26, be used for making 24 pairs of camera lens 22 picked image of photosensory assembly to expose, the speed of shutter 26 aperture (not in the diagram) size of arranging in pairs or groups again then can determine exposure, and the light that promptly determines camera lens 22 to be received causes the degree of photosensory assembly 24 sensitization, and a focusing module 28, be used for the action that controls lens 22 focuses, and image capture unit 21 can adopt autofocus mode to control Focusing module 28 or manual focus mode control Focusing module 28.
Image capture unit 21 comprises one first induction type proximity switch 30 in addition, one second induction type proximity switch 32, the first induction type proximity switch 30 and the second induction type proximity switch 32 can be the proximity switch of condenser type proximity switch, inductance type proximity switch or other form etc., the manner of execution that this type of proximity switch is main, with sense object near switch to a certain apart from the time, switch is activated, for example this switch can design the finger sensing head near the time when the certain distance, switch is activated.
When the first induction type proximity switch 30 and the 32 sensed startups of the second induction type proximity switch, then can export one first control signal and one the 3rd control signal respectively.Image capture unit 21 comprises a timer 34 in addition, is used for timing, and a timer switch 36 is used for starting timer 34; One first arithmetic device 38, it is to be electrically connected on the first induction type proximity switch 30, timer 34 and shutter 26, be used for receiving the signal that the first induction type proximity switch 30 and timer 34 are transmitted, and export a corresponding signal to shutter 26, an and second arithmetic device 40, it is to be electrically connected on the second induction type proximity switch 32, timer 34 and Focusing module 28, be used for receiving the signal that the second induction type proximity switch 32 and timer 34 are transmitted, and export a corresponding signal to Focusing module 28.
See also Fig. 4, Fig. 4 is the front view of image capture unit 21.The camera lens 22 of image capture unit 21 places the place ahead of fuselage, and the first induction type proximity switch 30, the second induction type proximity switch 32 and timer switch 36 then place the top of fuselage.
In this flowing mode of doing that begins to introduce image capture unit 21 of the present invention, see also Fig. 5, Fig. 5 is the process flow diagram that image capture unit 21 starts Focusing module 28.It comprises the following step:
Step 100: control timer switch 36 and pick up counting to start timer 34, timer 34 is just exported one second and is controlled signal to second arithmetic device 40 at this moment;
Step 102: if second arithmetic device 40 is after receiving second control signal, begin to accumulate the focusing time, the 3rd control signal of when this focusing time receives the second induction type proximity switch, 32 sensed startups in less than one first schedule time, being exported, then execution in step 104, if do not receive then execution in step 106 of the 3rd control signal;
Step 104: second arithmetic device 40 output one enabling signal to Focusing module 28 to carry out the action of camera lens 22 focusings; And
Step 106: the focusing time is made zero, accumulate the focusing time again, and get back to step 102.
That is to say when the user desires to carry out the action of image focusing, can pick up counting by first opening timing device 34, and the 34 predeterminable unlatching back one focusing times of accumulation of timer, when this focusing time in first schedule time, second arithmetic device 40 receives that the 3rd control signal starts focusing, and first schedule time viewable design need be decided in its sole discretion, for example can set the time in two seconds; Second arithmetic device 40 can be an AND arithmetical unit, just when second arithmetic device 40 receives the 3rd control signal that second control signal that timer 34 transmits and the second induction type proximity switch 32 transmit, just can export enabling signal to start Focusing module 28 starts, otherwise if only induction starts the second induction type proximity switch 32 or only during opening timing device 34, the action of can't focusing.This be since the second induction type proximity switch 32 can be user finger or other object touches or near the time sensed startup, so must collocation one confirm Initiated Mechanism, be the application of timer 34, thus just can be because of touching arbitrarily or just arbitrarily starting Focusing module 28 near the second induction type proximity switch 32.
Next see also Fig. 6, Fig. 6 is the process flow diagram that image capture unit 21 starts shutter 26.It comprises the following step:
Step 108: control timer switch 36 and pick up counting to start timer 34, timer 34 is just exported one second and is controlled signal to first arithmetic device 38 at this moment;
Step 110: if first arithmetic device 38 begins to accumulate a start-up time after receiving second control signal, when start-up time second schedule time in receive then execution in step 112 of first control signal exported when the first induction type proximity switch 30 is sensed to be started, if do not receive then execution in step 114 of first control signal;
Step 112: first arithmetic device 38 output one enabling signal to shutter 26 to carry out the action of filmed image exposure; And
Step 114: will make zero start-up time, accumulate start-up time again, and get back to step 110.
The flow process of Fig. 6 is similar to the flow process action principle that Fig. 5 starts Focusing module 28, when the user desires to carry out the action of filmed image, can pick up counting by first opening timing device 34, and timer 34 predeterminable interior outputs second of unlatching one schedule times of back control signal to first arithmetic device 38, and second schedule time viewable design need be decided in its sole discretion, for example can set the time in two seconds; First arithmetic device 38 can be an AND arithmetical unit, just when first arithmetic device 38 receives first control signal that second control signal that timer 34 transmits and the first induction type proximity switch 30 transmit, just can export enabling signal to start shutter 26 starts, otherwise if only induction starts the first induction type proximity switch 30 or only during opening timing device 34, can't carry out the action of filmed image exposure.This be since the first induction type proximity switch 30 can be user finger or other object touches or near the time sensed startup, so must collocation one confirm Initiated Mechanism, be the application of timer 34, thus just can be because of touching arbitrarily or just arbitrarily starting shutter 26 near the first induction type proximity switch 30.
And the flow process of Fig. 5 and Fig. 6 can be and separates execution, also can be designed to after startup timer 34 picks up counting, timer 34 can be exported second simultaneously and control signal to first arithmetic device 38 and second arithmetic device 40, if the action that the 3rd control signal that second arithmetic device 40 was exported when receiving the second induction type proximity switch, 32 sensed startups in one first schedule time after receiving second control signal is then focused; And if first control signal that first arithmetic device 38 was exported when receiving the first induction type proximity switch, 30 sensed startups in second schedule time after receiving second control signal is then carried out the action of filmed image exposure.The user can be in one schedule time of setting that starts timer 34 backs, control the second induction type proximity switch 32 in regular turn earlier with the action of focusing, and this focusing action can be the pattern that adopts focusing automatically or manual focus, controls the first induction type proximity switch 30 again to carry out the action of filmed image exposure.Wherein the user opens the second induction type proximity switch 32 and uses Focusing module 28 to focus after the action in induction, then can select the timeing closing device if want the action of abandoning filming image; When not wanting before filming image, to focus action if the user only wants to carry out the filming image action in addition, then can be in first schedule time after starting timer 34, only control the first induction type proximity switch 30 to carry out the action of filmed image exposure, do not start the second induction type proximity switch 32 and do not respond to, promptly do not start the action of Focusing module 28 with image focusing before taking.
See also Fig. 7, Fig. 7 is the functional block diagram of the first induction type proximity switch 30.The first induction type proximity switch 30 comprises one first inductor 42, be used for receiving the shake-up information of extraneous input, and one first capacitor C 1, can be according to the number of capacitance size decision amounts of stored charge, just can determine the sensitivity of the first induction type proximity switch, 30 starts thus, and the expression of sensitivity can be finger and switch distance farthest when starting the first induction type proximity switch 30, and the capacitance of first capacitor C 1 can be made as 47nF usually.
See also Fig. 8, Fig. 8 is the functional block diagram of the second induction type proximity switch 32.The second induction type proximity switch 32 comprises one second inductor 44, be used for receiving the shake-up information of extraneous input, and one second capacitor C 2, can be according to the number of capacitance size decision amounts of stored charge, just can determine the sensitivity of the second induction type proximity switch, 32 starts thus, and the expression of sensitivity can be finger and switch distance farthest when starting the second induction type proximity switch 32, and the capacitance of second capacitor C 2 also can be made as 47nF usually.
Above-mentioned only is a preferred embodiment of the present invention, image capture unit of the present invention can be a digital camera or is a traditional egative film formula camera, or can be a digital camera or traditional magnetic tape type video camera etc., be the device that has image acquisition function applicable to any, and the spirit of invention is assist this device to carry out image capture for employing has the switch that closely connects inducing function, can effectively avoid causing captured image to have focusing because of hand shake the phenomenon of bad or image fog.
Compared to known image capture unit, image capture unit of the present invention provides has the switch that closely connects inducing function, can provide the user needn't apply strength in the moment of pressing shutter key, only need near or touch and closely connect inductive switch and get final product, just the vibration that can effectively avoid known image capture unit when manually tripping key, to be produced thus, and cause the photo of shooting that the phenomenon of the bad or image fog of focusing is arranged.The present invention also provides one to confirm Initiated Mechanism in addition, i.e. the application of timer thus just can be because of not touching arbitrarily or arbitrarily starting Focusing module or shutter device near the induction type proximity switch, to avoid error starting shooting mechanism under the situation of non-shooting.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (22)
1. one kind has the image capture unit that closely connects inducing function, and it includes:
One camera lens receives the light of an image;
One shutter is used for making the light of this image of this camera lens acquisition, exposes within a certain period of time;
One focusing module is used for making this camera lens to carry out the focusing of this image;
One photosensory assembly is used for when this shutter is activated, and captures the image of having focused via this camera lens; And
One first induction type proximity switch is used for when sensed, exports one first control signal to start this shutter.
2. image capture unit as claimed in claim 1, wherein, this first induction type proximity switch comprises an electric capacity in addition, with the sensitivity that decides this first induction type proximity switch start.
3. image capture unit as claimed in claim 1, it comprises in addition:
One first arithmetic device, it is used to start this shutter;
One timer is used for timing; And
One timer switch is used for starting this timer;
Wherein, when this timer was started by this timer switch, this timer was just exported one second and is controlled signal to this first arithmetic device, and when this first arithmetic device received this first control signal and this second control signal, this first arithmetic device started this shutter.
4. image capture unit as claimed in claim 3, this first arithmetic device is accumulated a start-up time after receiving this second control signal, when this start-up time during less than one first schedule time, this first arithmetic device receives this first control signal, and this first arithmetic device starts and changes up door.
5. image capture unit as claimed in claim 4, when this start-up time greater than this first schedule time, this first arithmetic device does not receive this first control signal, this first arithmetic device makes zero this start-up time.
6. image capture unit as claimed in claim 3, it comprises in addition:
One second arithmetic device, it is used to start this Focusing module, and when this timer was started by this timer switch, this timer was just exported one second and is controlled signal to this second arithmetic device;
One second induction type proximity switch is used for when sensed, exports one the 3rd and controls signal to this second arithmetic device;
Wherein, when this second arithmetic device receives this second control signal and the 3rd control signal, this second arithmetic device starts this Focusing module.
7. image capture unit as claimed in claim 6, this second arithmetic device is accumulated the focusing time after receiving this second control signal, when this focusing time during less than one second schedule time, this second arithmetic device receives the 3rd control signal, and this second arithmetic device starts this Focusing module.
8. image capture unit as claimed in claim 7, when this focusing time greater than this second schedule time, this second arithmetic device does not receive the 3rd control signal, this second arithmetic device should make zero the focusing time.
9. image capture unit as claimed in claim 6, wherein, this second induction type proximity switch comprises an electric capacity in addition, with the sensitivity that decides this second induction type proximity switch start.
10. image capture unit as claimed in claim 1, wherein, this first induction type proximity switch is to be an inductance type proximity switch.
11. image capture unit as claimed in claim 1, wherein, this first induction type proximity switch is to be a condenser type proximity switch.
12. image capture unit as claimed in claim 6, wherein, this second induction type proximity switch is to be an inductance type proximity switch.
13. image capture unit as claimed in claim 6, wherein, this second induction type proximity switch is to be a condenser type proximity switch.
14. image capture unit as claimed in claim 1, wherein, this image capture unit be a digital camera.
15. a method of using an image capture unit to carry out image capture, this image capture unit comprises a shutter, and a focusing module, and this method comprises the following step:
(a) provide a timer, start this timer to export one second control signal;
(b) provide one first induction type proximity switch, start this first induction type proximity switch to export one first control signal; And
When (c) receiving this first control signal and this second control signal as if this shutter, then this shutter just is activated, and when not receiving this first control signal and this second control signal as if this shutter, then this shutter just is not activated.
16. method as claimed in claim 15, it comprises the following step in addition:
(d) provide one second induction type proximity switch, start this second induction type proximity switch to export one the 3rd control signal; And
When (e) receiving this second control signal and the 3rd control signal as if this Focusing module, then this Focusing module just is activated to carry out focusing work, if when this Focusing module did not receive this second control signal and the 3rd control signal, then this Focusing module just was not activated.
17. method as claimed in claim 15, wherein step (c) is for a first arithmetic device is provided, when this first arithmetic device receives this first control signal and this second control signal, this first arithmetic device starts this shutter, when this first arithmetic device did not receive this first control signal and this second control signal, this first arithmetic device did not just start this shutter.
18. method as claimed in claim 17, its in, in the step (c), this first arithmetic device is accumulated a start-up time after receiving this second control signal, when this start-up time during less than one first schedule time, this first arithmetic device receives this first control signal, and this first arithmetic device starts this shutter.
19. method as claimed in claim 18, when this start-up time greater than this first schedule time, this first arithmetic device does not receive this first control signal, this first arithmetic device makes zero this start-up time.
20. method as claimed in claim 16, wherein, step (e) is for a second arithmetic device is provided, when this second arithmetic device receives this second control signal and the 3rd control signal, this second arithmetic device starts this Focusing module, when this second arithmetic device did not receive this second control signal and the 3rd control signal, this second arithmetic device did not just start this Focusing module.
21. method as claimed in claim 20, it is in step (e), this second arithmetic device is accumulated the focusing time after receiving this second control signal, when this focusing time during less than one second schedule time, this first arithmetic device receives the 3rd control signal, and this second arithmetic device starts this Focusing module.
22. method as claimed in claim 21, when this focusing time greater than this second schedule time, this second arithmetic device does not receive the 3rd control signal, this second arithmetic device should make zero the focusing time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101242902A CN100390654C (en) | 2003-12-29 | 2003-12-29 | Image acquisition device with proximity induction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101242902A CN100390654C (en) | 2003-12-29 | 2003-12-29 | Image acquisition device with proximity induction function |
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| Publication Number | Publication Date |
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| CN1635418A true CN1635418A (en) | 2005-07-06 |
| CN100390654C CN100390654C (en) | 2008-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2003101242902A Expired - Fee Related CN100390654C (en) | 2003-12-29 | 2003-12-29 | Image acquisition device with proximity induction function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158645A (en) * | 2011-01-11 | 2011-08-17 | 华为终端有限公司 | Shooting control method, shooting control device and photographic device |
| CN102843508A (en) * | 2011-06-22 | 2012-12-26 | 宏达国际电子股份有限公司 | image capturing method and image capturing system |
| CN104869300A (en) * | 2014-02-24 | 2015-08-26 | 纬创资通股份有限公司 | Handheld electronic device and method for taking pictures by using same |
| CN105827994A (en) * | 2016-04-12 | 2016-08-03 | 乐视控股（北京）有限公司 | System and method for solving problem of focusing area overexposure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6374054B1 (en) * | 2000-10-31 | 2002-04-16 | Hewlett-Packard Company | Digital camera viewfinder and method of using same |
| CN2489356Y (en) * | 2001-08-09 | 2002-05-01 | 梁坚平 | Digital camera with human body inductor |
| CN2545625Y (en) * | 2002-04-30 | 2003-04-16 | 金宝电子工业股份有限公司 | Automatic focussing starting mechanism of digital camera |
| CN2550983Y (en) * | 2002-06-17 | 2003-05-14 | 总督电子股份有限公司 | Monitoring system |
-
2003
- 2003-12-29 CN CNB2003101242902A patent/CN100390654C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158645A (en) * | 2011-01-11 | 2011-08-17 | 华为终端有限公司 | Shooting control method, shooting control device and photographic device |
| CN102843508A (en) * | 2011-06-22 | 2012-12-26 | 宏达国际电子股份有限公司 | image capturing method and image capturing system |
| CN102843508B (en) * | 2011-06-22 | 2015-06-24 | 宏达国际电子股份有限公司 | image capturing method and image capturing system |
| CN104869300A (en) * | 2014-02-24 | 2015-08-26 | 纬创资通股份有限公司 | Handheld electronic device and method for taking pictures by using same |
| CN105827994A (en) * | 2016-04-12 | 2016-08-03 | 乐视控股（北京）有限公司 | System and method for solving problem of focusing area overexposure |
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| Publication number | Publication date |
|---|---|
| CN100390654C (en) | 2008-05-28 |
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