CN100424578C - Multi-sectional stop positioning method of digital camera - Google Patents
Multi-sectional stop positioning method of digital camera Download PDFInfo
- Publication number
- CN100424578C CN100424578C CNB2005100077165A CN200510007716A CN100424578C CN 100424578 C CN100424578 C CN 100424578C CN B2005100077165 A CNB2005100077165 A CN B2005100077165A CN 200510007716 A CN200510007716 A CN 200510007716A CN 100424578 C CN100424578 C CN 100424578C
- Authority
- CN
- China
- Prior art keywords
- step motor
- digital camera
- signal
- detecting part
- shutter
- 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
The present invention discloses a multi-sectional aperture positioning method of a digital camera, which comprises: (a), the present invention provides a digital camera which comprises a step motor, a shutter part and a sensing part, wherein the shutter part is connected with the step motor, the digital camera provides the corresponding aperture sizes by means of a plurality of phase positions, the sensing part contacts the shutter part to provide a first signal, and the sensing part is separated from the shutter part to provide a second signal; (b), the digital camera is activated; (c), whether the sensing part provides the first signal or not is detected; (d), the step motor advances if the sensing part provides the first signal; (e), whether the sensing part provides the second signal or not is detected after the step motor advances; (f), whether the phase position of the step motor is correct or not is detected if the sensing part provides the second signal; (g), the step motor advances again if the phase position of the step motor is correct; (h), whether the phase position of the step motor is the largest aperture position or not is detected; (i), a proper aperture size is adjusted to take the image if the phase position of the step motor is the largest aperture position.
Description
Technical field
The present invention relates to a kind of stop positioning method of camera, particularly a kind of method of utilizing the step motor phase place accurately to locate digital camera.
Background technology
Along with science and technology flourishing with the powerful demand of consumer under, information products miscellaneous and equipment in response to and gives birth to, and camera is wherein important invention, not only provides the modern to keep for a moment fine time here, more some important things stay proof.And camera add the prosperity of modern electronic product, so this product all moves towards all short and small frivolous target owing to need regular carrying.
And the camera lens of camera part is the camera most important parts always, cooperates to adjust aperture to adapt to the variation of external light power, to obtain best shooting quality.But traditional camera is not only assembled or structure all is the mechanical type design, therefore traditional aperture is located with a detecting part (home switch) as reference point, and the size of aperture with the step number of skew detecting part as the foundation of judging, but detecting part is formed by an elastic parts, fixed cylinder and sense switch, thereby can be because factor existence such as error in the mechanism and detecting part spring instabilities, and then occur producing skew when detecting part, cause aperture to open mistake, and influence the performance that camera is taken pictures.
The prosperity of electronic industry now, and then eliminate traditional camera, get and generation for to utilize CCD (Charged Coupled Device) or CMOS photosensory assembly to capture the digital camera of extraneous image.And be provided with iris diaphragm structure in the digital camera, have respectively being provided with two open-works on two iris diaphragm plates, and this two iris diaphragm plates system is stacked before and after being, and does linear relative movement by motor driven two iris diaphragm plates in camera lens, open-work on two iris diaphragm plates is stagger or shape relatively, to switch aperture.Certainly also have and adjust button by one and drive iris diaphragm plate and rotate, make in several apertures aiming on the light source passage of camera lens wherein.Also have mat one motor start one looped drive device, make several blades overlapping and forms aperture openings in camera lens, drive a ring with this looped drive device to rotate, and then make the start in camera lens of each blade, the size of change aperture openings by the front end breach.And all have step motor (step motor) device in the above digital camera, and how to be apt to add and to utilize existing structure with the moving of accurate control aperture, ask for better shooting quality, be that the dealer does one's utmost the target pursued always.
Summary of the invention
Fundamental purpose of the present invention provides a kind of multi-sectional stop positioning method of digital camera, and it reaches the effect of control aperture size and degree of stability by accurately controlling the aperture amount of movement.
Secondary objective of the present invention provides a kind of multi-sectional stop positioning method of digital camera, and it can prevent the aperture fault open, takes the effect of performance to reach preferable camera.
Another object of the present invention provides a kind of multi-sectional stop positioning method of digital camera, and it can prevent the sensing apparatus assembly error, to reach the effect of accurate location aperture physical location.
In order to realize above-mentioned purpose, the invention provides a kind of multi-sectional stop positioning method of digital camera, comprise the following steps:
Step (a) a: digital camera is provided, this digital camera has a step motor, a shutter portion and a detecting part, the swing offset motion that this step motor can advance and retreat, and this step motor can be positioned on several phase positions, this shutter portion is connected with this step motor, and so that corresponding aperture size to be provided, this detecting part can recline mutually one first signal to be provided and can be separated with this shutter portion with this shutter portion provides one second signal by these several phase positions;
This shutter portion has:
One first shutter disk, it is connected with this step motor, and this first shutter disk carries out swing offset motion with one first axle center, and this first shutter disk has one first shrinkage pool portion and one first slotted eye portion; And
One second shutter disk, it carries out swing offset motion with one second axle center, and this second shutter disk has and corresponding one second slotted eye portion of this first slotted eye portion and one second shrinkage pool portion;
The relative position of this first shrinkage pool portion and this second shrinkage pool portion forms this aperture size.Step (b): activate this digital camera.
Step (c): detect this detecting part whether this first signal is provided.
Step (d):, carry out this step motor and advance when this detecting part provides this first signal; When this detecting part does not provide this first signal, carry out after this step motor retreats repeating step (c).
Step (e): after this step motor advances, detect this detecting part whether this second signal is provided.
Step (f): whether when this detecting part provides this second signal, it is correct to detect this step motor phase position; When this detecting part does not provide this second signal, carry out after this step motor advances repeating step (e) again.
Step (g): this step motor phase position is correct, carries out this step motor again and advances.
Whether step (h): detecting this step motor phase position is the maximum ring position.
Step (i): this step motor phase position is the maximum ring position, adjusts suitable aperture size with pick-up image; This step motor phase position is not the maximum ring position, repeating step (g).
The present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Figure 1A is the multi-sectional stop locating device preferred embodiment first action forward sight structural representation of digital camera of the present invention;
Figure 1B is the multi-sectional stop locating device preferred embodiment second action forward sight structural representation of digital camera of the present invention;
Fig. 2 A is step motor excitation sequential preferred embodiment synoptic diagram of the present invention;
Fig. 2 B is the driving signal preferred embodiment synoptic diagram of the corresponding input of step motor of the present invention;
Fig. 3 A to Fig. 3 H is that the present invention drives the corresponding step motor of signal shift position preferred embodiment synoptic diagram;
Fig. 4 is the multi-sectional stop positioning method preferred embodiment schematic flow sheet of digital camera of the present invention.
Description of reference numerals: 1-step motor; The 11-gear; 2-shutter portion; 21-first shutter disk; The 211-first shrinkage pool portion; The 212-first slotted eye portion; The 213-toothed region; 22-second shutter disk; The 221-second shrinkage pool portion; The 222-second slotted eye portion; The 3-detecting part; The 31-driving lever; 311-driving lever one end; The 312-driving lever other end; The 32-sensing member; The 321-elastic parts; The 322-fixed cylinder; The 323-switch; 51-provides a digital camera; 52-activates digital camera; 53-detects this detecting part whether this first signal is provided; The 531-step motor advances; The 532-step motor retreats; 54-detects this detecting part whether this second signal is provided; Whether 55-detects this step motor phase position correct; The 56-step motor advances; 57-detects whether the step motor phase position is the maximum ring position; 58-adjusts suitable aperture size pick-up image; The 71-primary importance; The 72-second place; 81-first axle center; 82-second axle center; Advance swing offset motion of 91-; 92-retreats the swing offset motion; The d-distance.
Embodiment
See also multi-sectional stop locating device preferred embodiment first action and the second action forward sight structural representation of the digital camera of the present invention shown in Figure 1A and Figure 1B.Digital camera of the present invention has a step motor 1, a shutter portion 2 and a detecting part 3, and this step motor 1 can advance 91 and retreat the motion of a swing offset of 92.And this shutter portion 2 has: one first shutter disk 21 and one second shutter disk 22, this first shutter disk 21 is connected with this step motor 1, because this step motor 1 also has a gear 11, therefore this first shutter disk 21 also is provided with a toothed region 213 and carries out contraposition with this gear 11 and be connected, make that this step motor 1 can definite this first shutter disk 21 of transmission when being rotated displacement movement, so when this step motor 1 is rotated displacement movement, this first shutter disk 21 can be a dead center with one first axle center 81, and displacement movement is waved in the rotation of carrying out in the angle, this second shutter disk 22 is a dead center with one second axle center 82, and displacement movement is waved in the rotation of also carrying out in the angle.
This first shutter disk 21 and this second shutter disk 22 are provided with in the mode of being superimposed with each other, this first shutter disk 21 has one first shrinkage pool portion 211 and one first slotted eye portion 212, and this second shutter disk 22 has 212 corresponding one second slotted eye portion 222 and the one second shrinkage pool portions 221 with this first slotted eye portion.This detecting part 3 has a driving lever 31 and a sensing member 32, this driving lever one end 311 connects this first slotted eye portion 212 and this second slotted eye portion 222, and this driving lever 31 carries out swing offset motion with this first axle center 81, and this step motor 1, this shutter portion 2 and this detecting part 3 are mutual interlock thus.
This sensing member 32 and this driving lever other end 312 are at a distance of one apart from d, and this sensing member 32 is made up of an elastic parts 321, a fixed cylinder 322 and a switch 323.Shown in Figure 1A, this driving lever other end 312 is positioned on the primary importance 71, and this first shutter disk 21 is superimposed with this second shutter disk 22, this first shrinkage pool portion 211 can't be manifested and present the aperture closing state, and these driving lever other end 312 these elastic partss 321 of compressing recline mutually with this fixed cylinder 322, make this switch 323 that one first signal is provided.Shown in Figure 1B, this step motor 1 can advance after 91, drive this first shutter disk 21 and these second shutter disk, 22 starts, therefore this first shrinkage pool portion 211 and this second shrinkage pool portion 221 mutually mistakes from and manifest the light source passage of aiming at camera lens, form the state that aperture is opened, make this driving lever other end 312 be positioned on the second place 72, this elastic parts 321 be separated with this fixed cylinder 322 that this moment, this switch 323 provided one second signal.
See also the step motor duty preferred embodiment synoptic diagram of the present invention shown in Fig. 2 A to Fig. 3 H.It is that example is beneficial to explanation that preferably of the present invention advances motor with covert eight step by step, and this step motor magnetic pole is considered as the four direction (southwest, northeast) of compass, and center rotor partly is considered as pointer, and the stepping of step motor was moved and was stressed motion this moment.Therefore this step motor can be positioned on several phase places (0 to 7 eight phase place) position, and this shutter portion is connected with this step motor, and by these several phase positions so that the relative diverse location of this first shutter disk 21 with this second shutter disk 22 to be provided, and the corresponding different aperture size that go out, advance and retreat and this step motor carries out that an angle rotatablely moves, wherein this angle is 45 degree.See also shown in the figure, that is when the phase place that activates this step motor was 3, promptly A-and B+ were excitatory state simultaneously that then this step motor can be positioned on the position of Fig. 3 D.
See also the multi-sectional stop positioning method preferred embodiment schematic flow sheet of digital camera of the present invention shown in Figure 4.The multi-sectional stop positioning method of digital camera of the present invention comprises the following steps:
Step (a) a: digital camera 51 is provided, see also above-mentioned camera structure, promptly this digital camera has a step motor, a shutter portion and a detecting part, the swing offset motion that this step motor can advance and retreat, and this step motor can be positioned on several phase positions, this shutter portion is connected with this step motor, and so that corresponding aperture size to be provided, this detecting part can recline mutually one first signal to be provided and can be separated with this shutter portion with this shutter portion provides one second signal by these several phase positions.
Step (b): activate this digital camera 52, make this digital camera be in the state that power supply has just been opened.
Step (c): utilize chip or program software to detect this detecting part more whether this first signal 53 is provided, promptly whether this shutter portion and this detecting part be for reclining mutually.
Step (d): when this detecting part provides this first signal, promptly aperture is a closing state, and therefore carrying out this step motor advances 531; But when this detecting part did not provide this first signal, the expression aperture had been the state for opening, does not conform with the standard detection program, therefore carried out this step motor this moment and retreated back 532, and repeating step (c) is a closing state up to definite aperture.
Step (e): after this step motor advances, detect this detecting part whether this second signal 54 is provided, definite aperture is opened.
Step (f): when this detecting part provides this second signal, detect this step motor phase position and whether be on the correct position 55; But do not provide this second signal when this detecting part, then aperture is opened as yet, carries out after this step motor advances again, and repeating step (e) is up to determining the state that aperture has been opened.
Step (g): when being correct, carrying out this step motor again and advance 56, represent that this shutter portion and this detecting part there is no because of mechanism error and assembling generation shift state this moment as if this step motor phase position.
Whether step (h): detecting this step motor phase position again is maximum ring position 57, and two steps can calculate relation maximum and minimum and the corresponding phase place of step motor in the multi-sectional stop thus.
Step (i): represent that this device for normal, can cooperate extraneous shading value make multistage adjustment suitable aperture size pick-up image 58 when being the maximum ring position as if this step motor phase position this moment; But when this step motor phase position was not the maximum ring position, then repeating step (g) was the maximum ring position to detecting this step motor phase position.
The above only is preferred embodiment of the present invention, can not limit the scope of the invention with this.Therefore, all equalizations of doing according to claim of the present invention change and modify, and will not lose main idea of the present invention place, also do not break away from the spirit and scope of the present invention, all should be considered as further enforcement of the present invention.
Claims (6)
1. the multi-sectional stop positioning method of a digital camera, this localization method may further comprise the steps:
(a) provide a digital camera, this digital camera has a step motor, a shutter portion and a detecting part, the swing offset motion that this step motor can advance and retreat, and this step motor can be positioned on several phase positions, this shutter portion is connected with this step motor, and utilize several phase positions so that corresponding aperture size to be provided, this detecting part can recline mutually one first signal to be provided and can be separated with this shutter portion with this shutter portion provides one second signal;
This shutter portion has:
One first shutter disk, it is connected with this step motor, and this first shutter disk carries out swing offset motion with one first axle center, and this first shutter disk has one first shrinkage pool portion and one first slotted eye portion; And
One second shutter disk, it carries out swing offset motion with one second axle center, and this second shutter disk has and corresponding one second slotted eye portion of this first slotted eye portion and one second shrinkage pool portion;
The relative position of this first shrinkage pool portion and this second shrinkage pool portion forms this aperture size; (b) activate this digital camera;
(c) detect this detecting part whether this first signal is provided;
(d) when this detecting part provides this first signal, this step motor is advanced; After this detecting part does not provide this first signal, and this step motor is retreated, repeating step (c);
(e) after this step motor advances, detect this detecting part whether this second signal is provided;
(f) whether when this detecting part provides this second signal, it is correct to detect this step motor phase position; After this detecting part does not provide this second signal, and this step motor is advanced, repeating step (e);
(g) this step motor phase position is correct, and this step motor is advanced;
Whether (h) detect this step motor phase position is the maximum ring position;
(i) this step motor phase position is the maximum ring position, adjusts suitable aperture size with pick-up image; This step motor phase position is not the maximum ring position, repeating step (g).
2. the multi-sectional stop positioning method of digital camera as claimed in claim 1 is characterized in that, this step motor has a gear, and the toothed region that this gear and this first shutter disk are provided with contraposition mutually connects.
3. the multi-sectional stop positioning method of digital camera as claimed in claim 1 is characterized in that, it is to be superimposed with each other for this first shutter disk and this second shutter disk.
4. the multi-sectional stop positioning method of digital camera as claimed in claim 1 is characterized in that, this detecting part has:
One driving lever, this driving lever one end connect this first slotted eye portion and this second slotted eye portion, and this driving lever carries out swing offset motion with this first axle center, makes this driving lever other end can be positioned at displacement movement between a primary importance and a second place; And
One sensing member, itself and this driving lever other end is at a distance of a distance, can be positioned at this primary importance by this driving lever other end and recline mutually, first signal is provided, and can utilize this driving lever other end to be positioned at this second place and this sensing member to be separated this second signal is provided with this sensing member.
5. the multi-sectional stop positioning method of digital camera as claimed in claim 1 is characterized in that, this step motor of step (d) carries out that an angle rotatablely moves advances and retreat.
6. the multi-sectional stop positioning method of digital camera as claimed in claim 5 is characterized in that, angle is 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100077165A CN100424578C (en) | 2005-02-08 | 2005-02-08 | Multi-sectional stop positioning method of digital camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100077165A CN100424578C (en) | 2005-02-08 | 2005-02-08 | Multi-sectional stop positioning method of digital camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1818773A CN1818773A (en) | 2006-08-16 |
| CN100424578C true CN100424578C (en) | 2008-10-08 |
Family
ID=36918833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100077165A Expired - Fee Related CN100424578C (en) | 2005-02-08 | 2005-02-08 | Multi-sectional stop positioning method of digital camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100424578C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008228037A (en) * | 2007-03-14 | 2008-09-25 | Matsushita Electric Ind Co Ltd | Phase adjustment apparatus, phase adjustment method and digital camera |
| CN101893805B (en) * | 2009-05-22 | 2012-03-21 | 亚洲光学股份有限公司 | Multi-stage aperture shutter device |
| CN108681021A (en) * | 2018-07-17 | 2018-10-19 | 宁波舜宇红外技术有限公司 | Camera lens built-in, infrared optical lens and thermometric thermal imaging system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4491401A (en) * | 1983-01-17 | 1985-01-01 | Canon Kabushiki Kaisha | Diaphragm device |
| US5255037A (en) * | 1990-09-06 | 1993-10-19 | Copal Company Limited | Shutter blade opening and closing device |
| US5953550A (en) * | 1993-08-10 | 1999-09-14 | Canon Kabushiki Kaisha | Shutter device of camera |
| JP2001125168A (en) * | 1999-10-27 | 2001-05-11 | Nidec Copal Corp | Shutter for camera |
| JP2002117135A (en) * | 2000-08-02 | 2002-04-19 | Masunaga Sogo Keikaku:Kk | Web site security system |
| JP2002258347A (en) * | 2001-02-28 | 2002-09-11 | Nidec Copal Corp | Diaphragm mechanism for camera |
| JP2002296637A (en) * | 2001-03-29 | 2002-10-09 | Nidec Copal Corp | Aperture mechanism for camera |
-
2005
- 2005-02-08 CN CNB2005100077165A patent/CN100424578C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4491401A (en) * | 1983-01-17 | 1985-01-01 | Canon Kabushiki Kaisha | Diaphragm device |
| US5255037A (en) * | 1990-09-06 | 1993-10-19 | Copal Company Limited | Shutter blade opening and closing device |
| US5953550A (en) * | 1993-08-10 | 1999-09-14 | Canon Kabushiki Kaisha | Shutter device of camera |
| JP2001125168A (en) * | 1999-10-27 | 2001-05-11 | Nidec Copal Corp | Shutter for camera |
| JP2002117135A (en) * | 2000-08-02 | 2002-04-19 | Masunaga Sogo Keikaku:Kk | Web site security system |
| JP2002258347A (en) * | 2001-02-28 | 2002-09-11 | Nidec Copal Corp | Diaphragm mechanism for camera |
| JP2002296637A (en) * | 2001-03-29 | 2002-10-09 | Nidec Copal Corp | Aperture mechanism for camera |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1818773A (en) | 2006-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021159967A1 (en) | Aperture, camera module, and electronic device | |
| CA1166500A (en) | Exposure control system | |
| US3904204A (en) | Clay shooting simulation system | |
| CN100424578C (en) | Multi-sectional stop positioning method of digital camera | |
| US9632394B2 (en) | Image pickup device and focal plane shutter | |
| US8197150B2 (en) | Focal plane shutter for digital cameras | |
| CN103424850B (en) | Commutative lens, photographing unit and camera arrangement | |
| US9762820B2 (en) | Imaging device and focal plane shutter | |
| CN105637413A (en) | Imaging device, imaging method, and program | |
| US9395599B2 (en) | Focal plane shutter and optical apparatus | |
| US7806605B2 (en) | Light amount adjustment apparatus and image pickup apparatus | |
| US6350068B1 (en) | Quantity-of-light adjusting device and optical apparatus having the same | |
| CN104252029A (en) | Image pickup apparatus and imaging method that perform focus action following zoom action | |
| CN107390344A (en) | Optical device and diaphragm control method | |
| US3927414A (en) | Automatic camera setting apparatus | |
| US4396267A (en) | Electromagnetic driving device for a camera | |
| CN203012315U (en) | Device for realizing phase focusing | |
| CN104410775A (en) | High-resolution microscopic visual imaging device and control method | |
| CN112565566A (en) | Imaging device and electronic apparatus | |
| CN104344896A (en) | Non-uniformity correction mechanism for infrared optical system | |
| JP2013231821A (en) | Lens device and imaging apparatus including the same | |
| JPH04212941A (en) | Lens device | |
| CN102998771A (en) | Optical apparatus | |
| EP0506037A1 (en) | Photographing device | |
| JPS6014332B2 (en) | Exposure control mechanism for photographic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081205 Address after: No. two, 2 East Ring Road, tenth Pine Industrial Zone, Longhua Town, Guangdong City, Shenzhen Province, China: 518109 Co-patentee after: Hon Hai Precision Industry Co., Ltd. Patentee after: Fujin Precision Industry (Shenzhen) Co., Ltd. Address before: Taiwan, China Patentee before: Pulier Science and Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: HONGFUJIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. Free format text: FORMER OWNER: PULIER SCI-TECH CO., LTD. Effective date: 20081205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20150208 |
|
| EXPY | Termination of patent right or utility model |