CN107102502A - A kind of projector equipment control method and device - Google Patents
A kind of projector equipment control method and device Download PDFInfo
- Publication number
- CN107102502A CN107102502A CN201710505733.4A CN201710505733A CN107102502A CN 107102502 A CN107102502 A CN 107102502A CN 201710505733 A CN201710505733 A CN 201710505733A CN 107102502 A CN107102502 A CN 107102502A
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- Prior art keywords
- shelter
- projecting apparatus
- default
- heat
- visual field
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- 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.)
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000000007 visual effect Effects 0.000 claims description 42
- 238000001514 detection method Methods 0.000 claims description 10
- 238000001931 thermography Methods 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 5
- 208000003443 Unconsciousness Diseases 0.000 abstract description 23
- 238000004891 communication Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3191—Testing thereof
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Projection Apparatus (AREA)
Abstract
The application is related to communication technical field, more particularly to a kind of projector equipment control method and device, recognized by judging the classification of shelter block whether be it is unconscious block so that improve projecting apparatus control accuracy；On this basis, propose and judge whether shelter is unconscious block based on shielded area, judge whether shelter is unconscious block based on shelter position, translational speed based on shelter judges whether shelter is unconscious a variety of shelter recognition methods such as to block, so as to improve the accuracy of shelter identification, reduce unconscious block and cause projector equipment erroneous judgement to cause to influence the risk of Consumer's Experience.
Description
Technical field
The application is related to communication technical field, more particularly to a kind of projector equipment control method and device.
Background technology
At present, electronic equipment especially intelligent terminal, such as smart mobile phone, tablet personal computer etc., can all install camera.Generally,
During using the electronic equipment for possessing projecting function, if to exit projecting function, default hardware button is needed to use, or
It is that dummy keyboard selectes exit function.So, the use of user will be made not convenient enough, such as, is being projected, needed at once
Projecting function is exited it is necessary to first select when switching to other functions, then selectes other functions, so, it is possible to make user's
Eyes are influenceed to produce discomfort by the light that projection is produced.It can be seen that, the projecting function provided in the prior art, in fact it could happen that by
In diversified control operation can not be provided, lead to not provide the user more flexible usage experience.
In the prior art, document CN101889246A propose it is a kind of by detector detect projected light beam from object reflect it is anti-
The change of irradiating light beam, to determine whether object is placed in the visual field of projecting apparatus, and if object is placed on described regard
In, then the output of projecting apparatus is closed.Whether the program judges whether to close or adjusts by there is object to block in field of detection
The working condition of whole projecting apparatus, realizes automatically controlling for projecting apparatus.
However, in actual applications, the type of shelter often has many kinds, for example, it may be some portion of the body of people
Position, it is also possible to which other articles such as file, different shelter is often different to the performance requirement of detector, so that in the presence of
The possibility of erroneous judgement；In addition, projecting apparatus is in use also with the presence of situation about being blocked unintentionally, the above method can not judge
Block be intentionally or unintentionally, therefore equally can there is a possibility that erroneous judgement；Finally, constantly carrying with people's use demand
Height, the projected area of projecting apparatus is constantly increasing, and above-mentioned detector faces the projected area constantly increased, and it detects performance and standard
True property is also difficult to meet actual demand.
Therefore, need to be proposed the method that a kind of higher projecting apparatus of recognition accuracy is automatically controlled, so as to ensure that user exists
There is good usage experience under different usage scenarios.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of projector equipment control method, and methods described comprises the following steps：
S1, projecting apparatus detects the projected light beam with first angle projected light beam to display device, detector with second angle
The reflected beams, the second angle is different from the first angle；
S2, if the detector detects the reflected beams, starts the screening that thermal imaging apparatus detection causes the reflected beams
The heat of block material；If the detector is not detected by the reflected beams, return to step S1；
S3, if the heat of the shelter be more than default heat threshold and the shelter block the time be more than it is default
Time threshold, then be automatically converted to standby or off-mode by the projecting apparatus；If the heat of the shelter is less than default
Heat threshold or the shelter block the time less than default time threshold, then keep the work shape of the projecting apparatus
State.
As a preferred embodiment, the step S3 also includes：If the heat of the shelter is more than default
Heat threshold, then detect the shelter the projecting apparatus projection visual field in shielded area, if the shelter
The ratio that shielded area in the projection visual field accounts for projected area is more than default area ratio, then the projecting apparatus is automatic
Be converted to standby or off-mode；If the ratio that shielded area of the shelter in the projection visual field accounts for projected area is small
In default area ratio, then the working condition of the projecting apparatus is kept.
As a preferred embodiment, the step S3 also includes：If the heat of the shelter is more than default
Heat threshold, then detect the shelter the projecting apparatus projection visual field in position, if the shelter is in institute
The top of projection visual field is stated, then keeps the working condition of the projecting apparatus；If the shelter is under the projection visual field
Portion, then be automatically converted to standby or off-mode by the projecting apparatus.
As a preferred embodiment, the step S3 also includes：If the heat of the shelter is more than default
Heat threshold, then the projecting apparatus is automatically converted to holding state, if in the range of the scheduled time, user does not open again
The projecting apparatus is moved, then closes the projecting apparatus automatically.
As a preferred embodiment, the step S3 also includes：If the heat of the shelter is more than default
Heat threshold, then detect the shelter the projecting apparatus projection visual field in translational speed, if the shelter
Translational speed be more than default threshold speed, then keep the working condition of the projecting apparatus；If the movement of the shelter
Speed is less than default threshold speed, then the projecting apparatus is automatically converted into standby or off-mode.
Further it is proposed that a kind of projector equipment control device, described device includes following module：
Setup module, projecting apparatus detects the projection with first angle projected light beam to display device, detector with second angle
The reflected beams of light beam, the second angle is different from the first angle；
Detection module, for detecting the reflected beams when the detector, starts thermal imaging apparatus detection and causes reflected light
The heat of the shelter of beam；
State adjusting module, is more than default heat threshold for the heat when the shelter, then detects that the shelter exists
Translational speed in the projection visual field of the projecting apparatus, if the translational speed of the shelter is more than default threshold speed,
Then keep the working condition of the projecting apparatus；If the translational speed of the shelter is less than default threshold speed, by institute
State projecting apparatus and be automatically converted to standby or off-mode.
As a preferred embodiment, the state adjusting module also includes：If the heat of the shelter is big
In default heat threshold, then shielded area of the shelter in the projection visual field of the projecting apparatus is detected, if described
The ratio that shielded area of the shelter in the projection visual field accounts for projected area is more than default area ratio, then by the projection
Instrument is automatically converted to standby or off-mode；If shielded area of the shelter in the projection visual field accounts for projected area
Ratio is less than default area ratio, then keeps the working condition of the projecting apparatus.
As a preferred embodiment, the state adjusting module also includes：If the heat of the shelter is big
In default heat threshold, then position of the shelter in the projection visual field of the projecting apparatus is detected, if described block
Thing then keeps the working condition of the projecting apparatus on the top of the projection visual field；If the shelter is regarded in the projection
The bottom of field, then be automatically converted to standby or off-mode by the projecting apparatus.
As a preferred embodiment, the state adjusting module also includes：If the heat of the shelter is big
In default heat threshold, then the projecting apparatus is automatically converted to holding state, if in the range of the scheduled time, Yong Huwei
The projecting apparatus is restarted, then closes the projecting apparatus automatically.
The present invention proposes a kind of projector equipment control method and device, by judging that the classification of shelter is blocked to recognize
Whether be it is unconscious block so that improve projecting apparatus control accuracy；On this basis, it is proposed that based on shielded area
Judge shelter whether be it is unconscious block, based on shelter position judge shelter whether be it is unconscious block,
Translational speed based on shelter judge shelter whether be it is unconscious a variety of shelter recognition methods such as block, so as to improve
The accuracy of shelter identification, reduces unconscious block and causes projector equipment erroneous judgement to cause to influence the risk of Consumer's Experience.
Brief description of the drawings
Fig. 1 is a kind of projector equipment control device module diagram of the present invention.
Embodiment
Embodiments of the invention are further illustrated below in conjunction with accompanying drawing.
Embodiment one：
The present invention proposes a kind of projector equipment control method, and methods described comprises the following steps：
S1, projecting apparatus detects the projected light beam with first angle projected light beam to display device, detector with second angle
The reflected beams, the second angle is different from the first angle；
S2, if the detector detects the reflected beams, starts the screening that thermal imaging apparatus detection causes the reflected beams
The heat of block material；If the detector is not detected by the reflected beams, return to step S1；
S3, if the heat of the shelter be more than default heat threshold and the shelter block the time be more than it is default
Time threshold, then be automatically converted to standby or off-mode by the projecting apparatus；If the heat of the shelter is less than default
Heat threshold or the shelter block the time less than default time threshold, then keep the work shape of the projecting apparatus
State.Due to heat of the heat commonly greater than conventional item of human body, and in office scene, the meeting of often meaning that of walking about of personnel
View terminates, and projector equipment is using finishing, therefore, shelter based on heat identification essence be identification shelter whether be human body and
Its some position, and office articles block it is typically unconscious block, what personnel walked about block after often meeting adjourned
Block, can approximately be interpreted as conscious and block；Thus, the blocking of causing of personnel being walked about is used as basic judgement projection
Whether instrument so effectively prevent among prior art and to be blocked all as whether judging projecting apparatus using the foundation finished
Using the foundation finished, so as to improve the accuracy of judgement.
As a preferred embodiment, the step S3 also includes：If the heat of the shelter is more than default
Heat threshold, then detect the shelter the projecting apparatus projection visual field in shielded area, if the shelter
The ratio that shielded area in the projection visual field accounts for projected area is more than default area ratio, then the projecting apparatus is automatic
Be converted to standby or off-mode；If the ratio that shielded area of the shelter in the projection visual field accounts for projected area is small
In default area ratio, then the working condition of the projecting apparatus is kept.Because unconscious block all is often small area
Block, therefore, whether it is conscious, and combine above-noted persons that the area ratio blocked is reflected from another angle and blocked
Whether the blocking of causing of walking about judges projecting apparatus using the foundation finished as basic, so that further increasing shelter is
The no accuracy for the conscious judgement blocked.
As a preferred embodiment, the step S3 also includes：If the heat of the shelter is more than default
Heat threshold, then detect the shelter the projecting apparatus projection visual field in position, if the shelter is in institute
The top of projection visual field is stated, then keeps the working condition of the projecting apparatus；If the shelter is under the projection visual field
Portion, then be automatically converted to standby or off-mode by the projecting apparatus.Similarly, since unconscious block all is often in projection
Visual field the latter half is blocked, and therefore, whether it is conscious, and tie that the position blocked reflects from another angle and blocked
Close walk about blocking of causing of above-noted persons and whether judge projecting apparatus using the foundation finished as basic, so as to further improve
Shelter whether be the conscious judgement blocked accuracy.
As a preferred embodiment, the step S3 also includes：If the heat of the shelter is more than default
Heat threshold, then the projecting apparatus is automatically converted to holding state, if in the range of the scheduled time, user does not open again
The projecting apparatus is moved, then closes the projecting apparatus automatically.
As a preferred embodiment, the step S3 also includes：If the heat of the shelter is more than default
Heat threshold, then detect the shelter the projecting apparatus projection visual field in translational speed, if the shelter
Translational speed be more than default threshold speed, then keep the working condition of the projecting apparatus；If the movement of the shelter
Speed is less than default threshold speed, then the projecting apparatus is automatically converted into standby or off-mode.Similarly, since unconscious
Block and often all have faster translational speed in perspective view, therefore, the translational speed of shelter is from another angle
Reflect whether block be conscious, and the blocking as whether basic judges projecting apparatus of causing of being walked about with reference to above-noted persons
Using the foundation finished, thus further increase shelter whether be the conscious judgement blocked accuracy.
Embodiment two：
Further it is proposed that a kind of projector equipment control device, described device includes following module：
Setup module, projecting apparatus detects the projection with first angle projected light beam to display device, detector with second angle
The reflected beams of light beam, the second angle is different from the first angle；
Detection module, for detecting the reflected beams when the detector, starts thermal imaging apparatus detection and causes reflected light
The heat of the shelter of beam；
State adjusting module, is more than default heat threshold for the heat when the shelter, then detects that the shelter exists
Translational speed in the projection visual field of the projecting apparatus, if the translational speed of the shelter is more than default threshold speed,
Then keep the working condition of the projecting apparatus；If the translational speed of the shelter is less than default threshold speed, by institute
State projecting apparatus and be automatically converted to standby or off-mode.Due to heat of the heat commonly greater than conventional item of human body, and doing
In public scene, walking about for personnel often means that meeting adjourned, and projector equipment is using finishing, therefore, the shelter based on heat
Identification essence is whether identification shelter is human body and its some position, and office articles block typically unconscious screening
Gear, what personnel walked about block blocking after often meeting adjourned can approximately be interpreted as conscious and block；Thus, by people
Walk about blocking of causing of member judges that projecting apparatus, whether using the foundation finished, so effectively prevent prior art as basic
It is central to be blocked all as whether projecting apparatus is judged using the foundation finished, so as to improve the accuracy of judgement.Equally,
Because unconscious block often all has faster translational speed in perspective view, therefore, the translational speed of shelter is from another
Whether it is conscious that an outer angle is reflected and blocked, and is walked about blocking as basic judgement of causing with reference to above-noted persons
Whether projecting apparatus is using the foundation finished, so as to further increase whether shelter is the accurate of the conscious judgement blocked
Property.
As a preferred embodiment, the state adjusting module also includes：If the heat of the shelter is big
In default heat threshold, then shielded area of the shelter in the projection visual field of the projecting apparatus is detected, if described
The ratio that shielded area of the shelter in the projection visual field accounts for projected area is more than default area ratio, then by the projection
Instrument is automatically converted to standby or off-mode；If shielded area of the shelter in the projection visual field accounts for projected area
Ratio is less than default area ratio, then keeps the working condition of the projecting apparatus.Because unconscious block all is often small
Area is blocked, and therefore, whether it is conscious that the area ratio blocked is reflected from another angle and blocked, and is combined upper
Whether walk about blocking of causing of the personnel of stating judges projecting apparatus using the foundation finished as basic, so as to further increase screening
Block material whether be the conscious judgement blocked accuracy.
As a preferred embodiment, the state adjusting module also includes：If the heat of the shelter is big
In default heat threshold, then position of the shelter in the projection visual field of the projecting apparatus is detected, if described block
Thing then keeps the working condition of the projecting apparatus on the top of the projection visual field；If the shelter is regarded in the projection
The bottom of field, then be automatically converted to standby or off-mode by the projecting apparatus.Similarly, since unconscious block all is often
In blocking for perspective view the latter half, therefore, whether it is conscious that the position blocked reflects from another angle and blocked
, and whether projecting apparatus is judged using the foundation finished as basic with reference to walk about blocking of causing of above-noted persons, so as to enter
One step improve shelter whether be the conscious judgement blocked accuracy.
As a preferred embodiment, the state adjusting module also includes：If the heat of the shelter is big
In default heat threshold, then the projecting apparatus is automatically converted to holding state, if in the range of the scheduled time, Yong Huwei
The projecting apparatus is restarted, then closes the projecting apparatus automatically.
The present invention proposes a kind of projector equipment control method and device, by judging that the classification of shelter is blocked to recognize
Whether be it is unconscious block so that improve projecting apparatus control accuracy；On this basis, it is proposed that based on shielded area
Judge shelter whether be it is unconscious block, based on shelter position judge shelter whether be it is unconscious block,
Translational speed based on shelter judge shelter whether be it is unconscious a variety of shelter recognition methods such as block, so as to improve
The accuracy of shelter identification, reduces unconscious block and causes projector equipment erroneous judgement to cause to influence the risk of Consumer's Experience.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of projector equipment control method, it is characterised in that methods described comprises the following steps：
S1, projecting apparatus detects the projected light beam with first angle projected light beam to display device, detector with second angle
The reflected beams, the second angle is different from the first angle；
S2, if the detector detects the reflected beams, starts the screening that thermal imaging apparatus detection causes the reflected beams
The heat of block material；If the detector is not detected by the reflected beams, return to step S1；
S3, if the heat of the shelter be more than default heat threshold and the shelter block the time be more than it is default
Time threshold, then be automatically converted to standby or off-mode by the projecting apparatus；If the heat of the shelter is less than default
Heat threshold or the shelter block the time less than default time threshold, then keep the work shape of the projecting apparatus
State.
2. according to the method described in claim 1, it is characterised in that the step S3 also includes：If the heat of the shelter
Amount is more than default heat threshold, then detects shielded area of the shelter in the projection visual field of the projecting apparatus, if
The ratio that shielded area of the shelter in the projection visual field accounts for projected area is more than default area ratio, then will be described
Projecting apparatus is automatically converted to standby or off-mode；If shielded area of the shelter in the projection visual field accounts for perspective plane
Long-pending ratio is less than default area ratio, then keeps the working condition of the projecting apparatus.
3. according to the method described in claim 1, it is characterised in that the step S3 also includes：If the heat of the shelter
Amount is more than default heat threshold, then position of the shelter in the projection visual field of the projecting apparatus is detected, if described
Shelter then keeps the working condition of the projecting apparatus on the top of the projection visual field；If the shelter is thrown described
The bottom of visual field is penetrated, then the projecting apparatus is automatically converted to standby or off-mode.
4. the method according to claim any one of 1-3, it is characterised in that the step S3 also includes：If described hide
The heat of block material is more than default heat threshold, then the projecting apparatus is automatically converted into holding state, if in the scheduled time
In the range of, user does not restart the projecting apparatus, then closes the projecting apparatus automatically.
5. the method according to claim any one of 1-4, it is characterised in that the step S3 also includes：If described hide
The heat of block material is more than default heat threshold, then detects mobile speed of the shelter in the projection visual field of the projecting apparatus
Degree, if the translational speed of the shelter is more than default threshold speed, keeps the working condition of the projecting apparatus；If
The translational speed of the shelter is less than default threshold speed, then the projecting apparatus is automatically converted into standby or shutdown shape
State.
6. a kind of projector equipment control device, it is characterised in that described device includes following module：
Setup module, projecting apparatus detects the projection with first angle projected light beam to display device, detector with second angle
The reflected beams of light beam, the second angle is different from the first angle；
Detection module, for detecting the reflected beams when the detector, starts thermal imaging apparatus detection and causes reflected light
The heat of the shelter of beam；
State adjusting module, is more than default heat threshold for the heat when the shelter, then detects that the shelter exists
Translational speed in the projection visual field of the projecting apparatus, if the translational speed of the shelter is more than default threshold speed,
Then keep the working condition of the projecting apparatus；If the translational speed of the shelter is less than default threshold speed, by institute
State projecting apparatus and be automatically converted to standby or off-mode.
7. device according to claim 6, it is characterised in that the state adjusting module also includes：If described block
The heat of thing is more than default heat threshold, then detects block surface of the shelter in the projection visual field of the projecting apparatus
Product, if the ratio that shielded area of the shelter in the projection visual field accounts for projected area is more than default area ratio,
The projecting apparatus is then automatically converted to standby or off-mode；If the shelter is in the shielded area of the projection visual field
The ratio for accounting for projected area is less than default area ratio, then keeps the working condition of the projecting apparatus.
8. device according to claim 6, it is characterised in that the state adjusting module also includes：If described block
The heat of thing is more than default heat threshold, then detects position of the shelter in the projection visual field of the projecting apparatus, such as
Really described shelter then keeps the working condition of the projecting apparatus on the top of the projection visual field；If the shelter exists
The bottom of the projection visual field, then be automatically converted to standby or off-mode by the projecting apparatus.
9. device according to claim 6, it is characterised in that the state adjusting module also includes：If described block
The heat of thing is more than default heat threshold, then the projecting apparatus is automatically converted into holding state, if in scheduled time model
In enclosing, user does not restart the projecting apparatus, then closes the projecting apparatus automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710505733.4A CN107102502B (en) | 2017-06-28 | 2017-06-28 | Projection equipment control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710505733.4A CN107102502B (en) | 2017-06-28 | 2017-06-28 | Projection equipment control method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107102502A true CN107102502A (en) | 2017-08-29 |
| CN107102502B CN107102502B (en) | 2019-12-06 |
Family
ID=59664232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710505733.4A Expired - Fee Related CN107102502B (en) | 2017-06-28 | 2017-06-28 | Projection equipment control method and device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107102502B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111935469A (en) * | 2020-09-27 | 2020-11-13 | 深圳市当智科技有限公司 | Projector safe working method and projector |
| CN112056937A (en) * | 2020-09-08 | 2020-12-11 | 佛山市顺德区美的饮水机制造有限公司 | Method, processor, device and storage medium for a water drinking apparatus |
| CN112969059A (en) * | 2021-04-22 | 2021-06-15 | 深圳市远古科技有限公司 | Projector and system for accurately identifying shielding and starting protection |
| CN114885141A (en) * | 2022-05-26 | 2022-08-09 | 海信视像科技股份有限公司 | Projection detection method and projection equipment |
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| CN101889246A (en) * | 2007-12-05 | 2010-11-17 | 微视公司 | Proximity detection for control of an imaging device |
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| CN103019014A (en) * | 2011-09-22 | 2013-04-03 | 卡西欧计算机株式会社 | Projection apparatus, and projection control method |
| CN103576431A (en) * | 2013-11-20 | 2014-02-12 | 巴可伟视(北京)电子有限公司 | Method and system device applied to using field of high-brightness laser projection machine and used for protecting human eyes |
| CN103744508A (en) * | 2013-12-31 | 2014-04-23 | 苏州佳世达电通有限公司 | Display device and control method thereof |
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| CN101889246A (en) * | 2007-12-05 | 2010-11-17 | 微视公司 | Proximity detection for control of an imaging device |
| CN102034456A (en) * | 2009-09-29 | 2011-04-27 | 联咏科技股份有限公司 | Display device and control method thereof as well as projector and control method thereof |
| CN103019014A (en) * | 2011-09-22 | 2013-04-03 | 卡西欧计算机株式会社 | Projection apparatus, and projection control method |
| CN103576431A (en) * | 2013-11-20 | 2014-02-12 | 巴可伟视(北京)电子有限公司 | Method and system device applied to using field of high-brightness laser projection machine and used for protecting human eyes |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112056937A (en) * | 2020-09-08 | 2020-12-11 | 佛山市顺德区美的饮水机制造有限公司 | Method, processor, device and storage medium for a water drinking apparatus |
| CN111935469A (en) * | 2020-09-27 | 2020-11-13 | 深圳市当智科技有限公司 | Projector safe working method and projector |
| CN112995627A (en) * | 2020-09-27 | 2021-06-18 | 深圳市当智科技有限公司 | Projector safe working method and projector |
| CN112995627B (en) * | 2020-09-27 | 2023-10-03 | 深圳市当智科技有限公司 | Projector safety working method and projector |
| CN112969059A (en) * | 2021-04-22 | 2021-06-15 | 深圳市远古科技有限公司 | Projector and system for accurately identifying shielding and starting protection |
| WO2022222193A1 (en) * | 2021-04-22 | 2022-10-27 | 深圳市远古科技有限公司 | Projector and system for accurately identifying obstruction and starting up protection |
| CN114885141A (en) * | 2022-05-26 | 2022-08-09 | 海信视像科技股份有限公司 | Projection detection method and projection equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107102502B (en) | 2019-12-06 |
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