CN112243114B - Method and device for switching working modes of projection equipment and projection equipment - Google Patents
Method and device for switching working modes of projection equipment and projection equipment Download PDFInfo
- Publication number
- CN112243114B CN112243114B CN202010818385.8A CN202010818385A CN112243114B CN 112243114 B CN112243114 B CN 112243114B CN 202010818385 A CN202010818385 A CN 202010818385A CN 112243114 B CN112243114 B CN 112243114B
- Authority
- CN
- China
- Prior art keywords
- projection equipment
- projection
- axis
- current
- mode
- 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.)
- Active
Links
Images
Classifications
-
- 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
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Projection Apparatus (AREA)
- Controls And Circuits For Display Device (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The invention relates to a method for switching the working mode of projection equipment, which comprises the following steps of collecting a sampling value of the gravity acceleration of the projection equipment according to a preset sampling period; if the fact that the projection equipment is changed from a static state to a moving state is determined according to the sampling value, acquiring a gravity acceleration value of the projection equipment at a preset time interval; when the projection equipment is determined to be changed from a motion state to a static state according to the gravity acceleration value of the projection equipment at a preset time interval, acquiring the current gravity acceleration value of the projection equipment; and determining whether to switch the working module of the projection equipment or not according to the current gravity acceleration value, the default gravity acceleration direction of the projection equipment and the current working mode of the projection equipment. The invention can quickly and conveniently switch the working mode of the projection equipment, can reduce the error switching caused by error judgment and improve the use experience of users. The invention also relates to a device for switching the working mode of the projection equipment and the projection equipment.
Description
Technical Field
The invention relates to the field of projection equipment, in particular to a method and a device for switching working modes of projection equipment and the projection equipment.
Background
Compared with the traditional projector, the micro projector has the functions of being exquisite and portable, and is more and more widely applied to the fields of business office, teaching and training and the like. With the rapid development of computer software and hardware technologies, micro projectors are also beginning to develop features with different functions to meet new requirements in work, study and daily life. At present, a micro projector generally comprises two working modes, namely a projection mode and a sound mode, the existing switching mode is usually switched by a mode of operating a physical key by a person, how to provide the projector capable of quickly and conveniently switching the projection mode and the sound mode, and an effective solution is not provided at present.
Disclosure of Invention
The invention provides a method and a device for switching a working mode of projection equipment and the projection equipment, aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows:
a method for switching operating modes of a projection device, the method comprising:
collecting a sampling value of the gravity acceleration of the projection equipment according to a preset sampling period;
if the fact that the projection equipment is changed from a static state to a moving state is determined according to the sampling value, acquiring a gravity acceleration value of the projection equipment at a preset time interval;
if the projection equipment is determined to be changed from a motion state to a static state according to the gravity acceleration value of the projection equipment at the preset time interval, acquiring the current gravity acceleration value of the projection equipment;
and determining whether to switch the working module of the projection equipment according to the current gravitational acceleration value, the default gravitational acceleration direction of the projection equipment and the current working mode of the projection equipment.
The beneficial effects of the method scheme of the invention are as follows: the invention provides a method for switching working modes of projection equipment, which comprises the steps of collecting sampling values of the gravity acceleration of the projection equipment according to a preset sampling period, obtaining the gravity acceleration value of the projection equipment at a preset time interval if the projection equipment is determined to be changed from a static state to a moving state according to the sampling values, obtaining the current gravity acceleration value of the projection equipment if the projection equipment is determined to be changed from the moving state to the static state according to the gravity acceleration value at the preset time interval, and determining whether to switch a working module of the projection equipment or not according to the current gravity acceleration value, the default gravity acceleration direction of the projection equipment and the current working mode of the projection equipment.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the determining that the projection device changes from a static state to a moving state according to the sampling value specifically includes:
obtaining acceleration sampling values of the projection equipment in an x axis, a y axis and a z axis under a space coordinate system according to the sampling values;
and if the acceleration sampling value of at least one axis is larger than a first preset value, determining that the projection equipment is changed from a static state to a motion state.
The beneficial effect of adopting the further scheme is that: by acquiring the gravity acceleration value of the projection equipment at regular time, the current posture change condition of the projection equipment can be obtained in time, and the response speed to switching the working mode is improved.
Further, the determining that the projection device changes from the moving state to the stationary state according to the gravitational acceleration value of the projection device at the preset time interval specifically includes:
obtaining acceleration values of the projection equipment in an x axis, a y axis and a z axis under a space coordinate system at preset time intervals according to the obtained gravity acceleration value of the projection equipment at the preset time intervals;
respectively obtaining acceleration variance values of an x axis, a y axis and a z axis according to acceleration values of the projection equipment in the space coordinate system at preset time intervals;
and if the acceleration variance values of the x axis, the y axis and the z axis are all smaller than a second preset value, determining that the projection equipment is changed from a motion state to a static state.
The beneficial effect of adopting the further scheme is that: and determining that the projection equipment is changed from a motion state to a static state according to the gravity acceleration value of the projection equipment at the preset time interval, and improving the response speed to the switching of the working mode.
Further, the determining whether to switch the working module of the projection device according to the current gravitational acceleration value, the default gravitational acceleration direction of the projection device, and the current working mode of the projection device specifically includes:
obtaining current acceleration values of the projection equipment in an x axis, a y axis and a z axis under a space coordinate system according to the current gravity acceleration value;
determining the current gravity acceleration direction of the projection equipment according to the current acceleration value;
and determining whether to switch the working module of the projection equipment or not according to the current gravity acceleration direction, the default gravity acceleration value and the current working mode of the projection equipment.
The beneficial effect of adopting the further scheme is that: according to the current gravitational acceleration value, the default gravitational acceleration direction of the projection equipment and the current working mode of the projection equipment, whether the working module of the projection equipment is switched or not is determined, the switching of the working mode caused by misjudgment is reduced, and the use experience of a user is improved.
Further, the determining whether to switch the working module of the projection device according to the current gravitational acceleration direction, the default gravitational acceleration value, and the current working mode of the projection device specifically includes:
when the current gravitational acceleration direction is consistent with the default gravitational acceleration direction and the current working mode of the projection equipment is a projection mode, not switching the working mode of the projection equipment;
when the current gravitational acceleration direction is consistent with the default gravitational acceleration direction and the current working mode of the projection equipment is a sound box mode, switching the working mode of the projection equipment to a Bluetooth sound box mode;
when the current gravitational acceleration direction is inconsistent with the default gravitational acceleration direction and the current working mode of the projection equipment is a projection mode, switching the working mode of the projection equipment to a sound box mode;
and when the current gravitational acceleration direction is inconsistent with the default gravitational acceleration direction and the current working mode of the projection equipment is a sound box mode, not switching the working mode of the projection equipment.
The beneficial effect of adopting the further scheme is that: according to the current gravity acceleration direction, the default gravity acceleration value and the current working mode of the projection equipment, whether the working module of the projection equipment is switched or not is determined, the switching of the working mode is rapidly and accurately realized, and the use experience of a user is improved.
Further, the method further comprises:
when the working mode of the projection equipment is switched to the sound box mode, inquiring whether a user switches the working mode of the projection equipment to the sound box mode or not through voice, and if so, switching the working mode of the projection equipment to the sound box mode.
The beneficial effect of adopting the further scheme is that: when the working mode of the projection equipment is switched to the sound box mode, the user is inquired through voice whether to switch the working mode of the projection equipment to the sound box mode, error switching can be reduced, and the use experience of the user is improved.
Another technical solution of the present invention for solving the above technical problems is as follows:
an apparatus for switching the operation mode of a projection device, comprising:
the acquisition module is used for acquiring a sampling value of the gravity acceleration of the projection equipment according to a preset sampling period;
the judging module is used for acquiring the gravity acceleration value of the projection equipment at a preset time interval if the projection equipment is determined to be changed from a static state to a moving state according to the sampling value;
if the projection equipment is determined to be changed from a motion state to a static state according to the gravity acceleration value of the projection equipment at the preset time interval, acquiring the current gravity acceleration value of the projection equipment;
and the switching module is used for determining whether to switch the working module of the projection equipment according to the current gravitational acceleration value, the default gravitational acceleration direction of the projection equipment and the current working mode of the projection equipment.
The beneficial effects of the device scheme of the invention are as follows: the device for switching the working mode of the projection equipment is provided, an acquisition module acquires a sampling value of the gravity acceleration of the projection equipment according to a preset sampling period, a judgment module determines that the projection equipment is changed from a static state to a motion state according to the sampling value, acquiring the gravity acceleration value of the projection equipment at the preset time interval, determining that the projection equipment is changed from the motion state to the static state according to the gravity acceleration value of the projection equipment at the preset time interval, the method and the device can quickly and conveniently switch the working modes of the projection equipment, can reduce the error switching caused by error judgment, and improve the use experience of a user.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the judging module is specifically configured to obtain acceleration sampling values of the projection device in an x axis, a y axis, and a z axis of a spatial coordinate system according to the sampling values;
and if the acceleration sampling value of at least one axis is larger than a first preset value, determining that the projection equipment is changed from a static state to a motion state.
Further, the method is specifically configured to obtain acceleration values of the projection device in an x axis, a y axis and a z axis in a space coordinate system at preset time intervals according to the obtained gravitational acceleration value of the projection device at the preset time intervals;
respectively obtaining acceleration variance values of an x axis, a y axis and a z axis according to acceleration values of the projection equipment in the space coordinate system at preset time intervals;
and if the acceleration variance values of the x axis, the y axis and the z axis are all smaller than a second preset value, determining that the projection equipment is changed from a motion state to a static state.
The application further provides a projection device, which is characterized in that the projection device comprises a gravity sensor and a device for switching the working mode of the projection device according to any one of the above technical solutions.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or in the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart illustrating a method for switching operating modes of a projection device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an apparatus for switching an operating mode of a projection device according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
As shown in fig. 1, a flowchart of a method for switching a working mode of a projection device according to an embodiment of the present invention is shown, where the method for switching a working mode of a projection device includes:
110. and collecting a sampling value of the gravity acceleration of the projection equipment according to a preset sampling period.
120. And if the projection equipment is determined to be changed from the static state to the moving state according to the sampling value, acquiring the gravity acceleration value of the projection equipment at a preset time interval.
130. And if the projection equipment is determined to be changed from the motion state to the static state according to the gravity acceleration value of the projection equipment at the preset time interval, acquiring the current gravity acceleration value of the projection equipment.
140. And determining whether to switch the working module of the projection equipment or not according to the current gravity acceleration value, the default gravity acceleration direction of the projection equipment and the current working mode of the projection equipment.
It should be understood that, at present, a gravity sensor is generally disposed in the projection apparatus, in this embodiment, a gravity acceleration value of the projection apparatus may be acquired through the gravity sensor, or may be acquired through other sensors, which is not limited in this implementation. The gravity sensor acquires the attitude data of the projection equipment in real time through periodic sampling.
The method for switching the working mode of the projection equipment, provided by the embodiment, includes the steps of collecting a sampling value of the gravity acceleration of the projection equipment according to a preset sampling period, obtaining the gravity acceleration value of the projection equipment at a preset time interval if the projection equipment is determined to be changed from a static state to a moving state according to the sampling value, obtaining the current gravity acceleration value of the projection equipment if the projection equipment is determined to be changed from the moving state to the static state according to the gravity acceleration value of the projection equipment at the preset time interval, and determining whether to switch the working module of the projection equipment according to the current gravity acceleration value, the default gravity acceleration direction of the projection equipment and the current working mode of the projection equipment.
Further, step 120 specifically includes:
121. and obtaining the acceleration sampling values of the x axis, the y axis and the z axis of the projection equipment in a space coordinate system according to the sampling values.
122. And if the acceleration sampling value of at least one shaft is larger than a first preset value, determining that the projection equipment is changed from a static state to a moving state.
It should be understood that, when the acceleration sample values of the projection device in the x-axis, the y-axis and the z-axis of the space coordinate system are judged to be greater than the first preset value, that is, when the projection device moves in at least one axis direction, the current state of the projection device is determined to be a moving state.
Further, step 130 specifically includes:
131. and obtaining acceleration values of the projection equipment at the preset time interval in an x axis, a y axis and a z axis under a space coordinate system according to the obtained gravity acceleration value of the projection equipment at the preset time interval.
132. And respectively obtaining acceleration variance values of the x axis, the y axis and the z axis according to the acceleration values of the projection equipment in the space coordinate system at the preset time interval.
133. And if the acceleration variance values of the x axis, the y axis and the z axis are all smaller than a second preset value, determining that the projection equipment is changed from a motion state to a static state.
It should be understood that the acceleration (A) of the projection device in the x-axis of the space coordinate system is acquired at preset time intervals when the projection device is in a motion statex1，Ax2，Ax3,，Ax4…) acceleration of the y-axis (A)y1，Ay2，Ay3,，Ay4…) and z-axis acceleration (A)z1，Az2，Az3,，Az4…) for calculating the acceleration variance values Ax, Ay, and Az for the x-axis, y-axis, and z-axis, respectively. When Ax, Ay and Az are all smaller than the second preset value, it indicates that the current moving state of the projection device is slowly decelerated to the static state.
In this embodiment, when judging projection equipment's the mode of putting, when the fluctuation of the gravity acceleration value through judging projection equipment is greater than first default, calculate the variance value of gathering the gravity acceleration value, the fluctuation of variance value is analyzed, when the variance value is undulant and is less than the second default, calculate current gravity acceleration direction, confirm whether projection equipment's the mode of putting changes, the anti-shake algorithm of increase can prevent that the problem of the open by mistake bluetooth speaker mode appears in the mobile process in the whole machine.
Further, step 140 specifically includes:
141. and obtaining the current acceleration values of the projection equipment in the x axis, the y axis and the z axis under the space coordinate system according to the current gravity acceleration value.
142. And determining the current gravity acceleration direction of the projection equipment according to the current acceleration value.
143. And determining whether to switch the working module of the projection equipment or not according to the current gravity acceleration direction, the default gravity acceleration value and the current working mode of the projection equipment.
Further, step 143 specifically includes:
and when the current gravity acceleration direction is consistent with the default gravity acceleration direction and the current working mode of the projection equipment is the projection mode, not switching the working mode of the projection equipment.
When the current gravity acceleration direction is consistent with the default gravity acceleration direction and the current working mode of the projection equipment is the sound box mode, the working mode of the projection equipment is switched to the Bluetooth sound box mode.
And when the current gravity acceleration direction is inconsistent with the default gravity acceleration direction and the current working mode of the projection equipment is the projection mode, switching the working mode of the projection equipment to the sound box mode.
When the current gravitational acceleration direction is inconsistent with the default gravitational acceleration direction and the current working mode of the projection equipment is the sound box mode, the working mode of the projection equipment is not switched.
Further, the method further comprises:
when the working mode of the projection equipment is switched to the sound box mode, the user is inquired whether to switch the working mode of the projection equipment to the sound box mode through voice, and if yes, the working mode of the projection equipment is switched to the sound box mode.
As shown in fig. 2, a schematic flow chart of an apparatus for switching an operating mode of a projection device according to an embodiment of the present invention includes:
the acquisition module is used for acquiring a sampling value of the gravity acceleration of the projection equipment according to a preset sampling period;
the judging module is used for acquiring the gravity acceleration value of the projection equipment at a preset time interval if the projection equipment is determined to be changed from a static state to a moving state according to the sampling value;
if the projection equipment is determined to be changed from a motion state to a static state according to the gravity acceleration value of the projection equipment at the preset time interval, acquiring the current gravity acceleration value of the projection equipment;
and the switching module is used for determining whether to switch the working module of the projection equipment according to the current gravitational acceleration value, the default gravitational acceleration direction of the projection equipment and the current working mode of the projection equipment.
Further, the judging module is specifically configured to obtain acceleration sampling values of the projection device in an x axis, a y axis, and a z axis of a spatial coordinate system according to the sampling values;
and if the acceleration sampling value of at least one axis is larger than a first preset value, determining that the projection equipment is changed from a static state to a motion state.
Further, the judging module is specifically configured to obtain acceleration values of the projection device in an x-axis, a y-axis and a z-axis in a space coordinate system at preset time intervals according to the obtained gravitational acceleration value of the projection device at the preset time intervals;
respectively obtaining acceleration variance values of an x axis, a y axis and a z axis according to acceleration values of the projection equipment in the space coordinate system at preset time intervals;
and if the acceleration variance values of the x axis, the y axis and the z axis are all smaller than a second preset value, determining that the projection equipment is changed from a motion state to a static state.
Further, the switching module is specifically configured to obtain current acceleration values of the projection device in an x axis, a y axis, and a z axis of a space coordinate system according to the current gravitational acceleration value;
determining the current gravity acceleration direction of the projection equipment according to the current acceleration value;
and determining whether to switch the working module of the projection equipment or not according to the current gravity acceleration direction, the default gravity acceleration value and the current working mode of the projection equipment.
Further, the switching module is specifically configured to not switch the working mode of the projection device when the current gravitational acceleration direction is consistent with the default gravitational acceleration direction and the current working mode of the projection device is the projection mode;
when the current gravitational acceleration direction is consistent with the default gravitational acceleration direction and the current working mode of the projection equipment is a sound box mode, switching the working mode of the projection equipment to a Bluetooth sound box mode;
when the current gravitational acceleration direction is inconsistent with the default gravitational acceleration direction and the current working mode of the projection equipment is a projection mode, switching the working mode of the projection equipment to a sound box mode;
and when the current gravitational acceleration direction is inconsistent with the default gravitational acceleration direction and the current working mode of the projection equipment is a sound box mode, not switching the working mode of the projection equipment.
The application further provides a projection device, which is characterized in that the projection device comprises a gravity sensor and a device for switching the working mode of the projection device according to any one of the above technical solutions.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A method for switching the working mode of a projection device, the method comprising:
collecting a sampling value of the gravity acceleration of the projection equipment according to a preset sampling period;
if the fact that the projection equipment is changed from a static state to a moving state is determined according to the sampling value, acquiring a gravity acceleration value of the projection equipment at a preset time interval;
when the projection equipment is determined to be changed from a motion state to a static state according to the gravity acceleration value of the projection equipment at the preset time interval, acquiring a current gravity acceleration value of the projection equipment;
determining whether to switch the working mode of the projection equipment according to the current gravitational acceleration value, the default gravitational acceleration direction of the projection equipment and the current working mode of the projection equipment, and specifically comprising:
obtaining current acceleration values of the projection equipment in an x axis, a y axis and a z axis under a space coordinate system according to the current gravity acceleration value;
determining the current gravity acceleration direction of the projection equipment according to the current acceleration value;
determining whether to switch the working mode of the projection equipment according to the current gravitational acceleration direction, the default gravitational acceleration direction and the current working mode of the projection equipment;
wherein the current operating mode includes a projection mode and a sound box mode.
2. The method for switching operating modes of a projection device according to claim 1, wherein the determining that the projection device changes from a stationary state to a moving state according to the sampling value specifically comprises:
obtaining acceleration sampling values of the projection equipment in an x axis, a y axis and a z axis under a space coordinate system according to the sampling values;
and if the acceleration sampling value of at least one axis is larger than a first preset value, determining that the projection equipment is changed from a static state to a motion state.
3. The method for switching the operating mode of the projection device according to claim 1, wherein the determining that the projection device changes from the moving state to the stationary state according to the gravitational acceleration value of the projection device at the preset time interval specifically comprises:
obtaining acceleration values of the projection equipment in an x axis, a y axis and a z axis under a space coordinate system at preset time intervals according to the obtained gravity acceleration value of the projection equipment at the preset time intervals;
respectively obtaining acceleration variance values of an x axis, a y axis and a z axis according to acceleration values of the projection equipment in the space coordinate system at preset time intervals;
and if the acceleration variance values of the x axis, the y axis and the z axis are all smaller than a second preset value, determining that the projection equipment is changed from a motion state to a static state.
4. The method for switching the operating mode of the projection device according to claim 1, wherein the determining whether to switch the operating mode of the projection device according to the current gravitational acceleration direction, the default gravitational acceleration direction, and the current operating mode of the projection device specifically includes:
when the current gravitational acceleration direction is consistent with the default gravitational acceleration direction and the current working mode of the projection equipment is a projection mode, not switching the working mode of the projection equipment;
when the current gravitational acceleration direction is inconsistent with the default gravitational acceleration direction and the current working mode of the projection equipment is a projection mode, switching the working mode of the projection equipment to a sound box mode;
and when the current gravitational acceleration direction is inconsistent with the default gravitational acceleration direction and the current working mode of the projection equipment is a sound box mode, not switching the working mode of the projection equipment.
5. The method for switching the operation mode of a projection device according to claim 4, further comprising:
when the working mode of the projection equipment is switched to the sound box mode, inquiring whether a user switches the working mode of the projection equipment to the sound box mode or not through voice, and if so, switching the working mode of the projection equipment to the sound box mode.
6. An apparatus for switching operating modes of a projection device, comprising:
the acquisition module is used for acquiring a sampling value of the gravity acceleration of the projection equipment according to a preset sampling period;
the judging module is used for acquiring the gravity acceleration value of the projection equipment at a preset time interval if the projection equipment is determined to be changed from a static state to a moving state according to the sampling value;
if the projection equipment is determined to be changed from a motion state to a static state according to the gravity acceleration value of the projection equipment at the preset time interval, acquiring the current gravity acceleration value of the projection equipment;
the switching module is used for determining whether to switch the working mode of the projection equipment according to the current gravitational acceleration value, the default gravitational acceleration direction of the projection equipment and the current working mode of the projection equipment;
the switching module is specifically configured to obtain current acceleration values of the projection device in an x axis, a y axis and a z axis of a space coordinate system according to the current gravitational acceleration value;
determining the current gravity acceleration direction of the projection equipment according to the current acceleration value;
determining whether to switch the working mode of the projection equipment according to the current gravity acceleration direction, the default gravity acceleration value and the current working mode of the projection equipment;
wherein the current operating mode includes a projection mode and a sound box mode.
7. The apparatus for switching the operation mode of a projection device according to claim 6,
the judgment module is specifically used for obtaining the acceleration sampling values of the projection equipment in an x axis, a y axis and a z axis under a space coordinate system according to the sampling values;
and if the acceleration sampling value of at least one axis is larger than a first preset value, determining that the projection equipment is changed from a static state to a motion state.
8. The apparatus for switching the operation mode of a projection device according to claim 6,
the judgment module is specifically configured to obtain acceleration values of the projection device in an x axis, a y axis and a z axis in a space coordinate system at preset time intervals according to the obtained gravity acceleration value of the projection device at the preset time intervals;
respectively obtaining acceleration variance values of an x axis, a y axis and a z axis according to acceleration values of the projection equipment in the space coordinate system at preset time intervals;
and if the acceleration variance values of the x axis, the y axis and the z axis are all smaller than a second preset value, determining that the projection equipment is changed from a motion state to a static state.
9. A projection device, characterized in that the projection device comprises a gravity sensor and an apparatus for switching the operation mode of the projection device as claimed in any one of claims 6 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010818385.8A CN112243114B (en) | 2020-08-14 | 2020-08-14 | Method and device for switching working modes of projection equipment and projection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010818385.8A CN112243114B (en) | 2020-08-14 | 2020-08-14 | Method and device for switching working modes of projection equipment and projection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112243114A CN112243114A (en) | 2021-01-19 |
| CN112243114B true CN112243114B (en) | 2022-03-29 |
Family
ID=74171178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010818385.8A Active CN112243114B (en) | 2020-08-14 | 2020-08-14 | Method and device for switching working modes of projection equipment and projection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112243114B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103442282A (en) * | 2013-08-14 | 2013-12-11 | 乐视致新电子科技（天津）有限公司 | Working mode switching method and remote controller of video playing device |
| CN104598031A (en) * | 2015-01-19 | 2015-05-06 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN104951363A (en) * | 2014-03-28 | 2015-09-30 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN106385574A (en) * | 2016-09-13 | 2017-02-08 | 微鲸科技有限公司 | Method and device for switching working modes of projection equipment and projection system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007232772A (en) * | 2006-02-27 | 2007-09-13 | Sharp Corp | Data display device, data display program, and computer-readable recording medium |
| CN101668351B (en) * | 2008-09-04 | 2014-07-09 | 宏达国际电子股份有限公司 | Portable electronic device and mode switching method thereof |
| CN103809725B (en) * | 2012-11-12 | 2017-03-29 | 联想(北京)有限公司 | A kind of electronic equipment and the state switching method based on the electronic equipment |
| CN105450961B (en) * | 2014-08-18 | 2019-07-26 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN104266646B (en) * | 2014-09-11 | 2017-01-25 | 北京邮电大学 | Method and device for determining movement direction of terminal |
-
2020
- 2020-08-14 CN CN202010818385.8A patent/CN112243114B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103442282A (en) * | 2013-08-14 | 2013-12-11 | 乐视致新电子科技（天津）有限公司 | Working mode switching method and remote controller of video playing device |
| CN104951363A (en) * | 2014-03-28 | 2015-09-30 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN104598031A (en) * | 2015-01-19 | 2015-05-06 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN106385574A (en) * | 2016-09-13 | 2017-02-08 | 微鲸科技有限公司 | Method and device for switching working modes of projection equipment and projection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112243114A (en) | 2021-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10075582B2 (en) | Terminal control method and apparatus, and terminal | |
| EP3488321B1 (en) | Detecting user range of motion for virtual reality user interfaces | |
| JP4628483B2 (en) | Portable device and position specifying method thereof | |
| US8922485B1 (en) | Behavioral recognition on mobile devices | |
| EP1783591B1 (en) | Electronic device | |
| JP5538415B2 (en) | Multi-sensory voice detection | |
| JP2008503816A (en) | Electronic device control | |
| GB2347593A (en) | Use of motion to input information into a radio telephone | |
| JPWO2006028013A1 (en) | Acceleration estimation method, acceleration estimation device, and mobile terminal device | |
| US10908923B2 (en) | Application starting method and terminal device | |
| CN103841246A (en) | Information processing method and system, and mobile terminal | |
| EP3561667A1 (en) | Method for displaying 2d application in vr device, and terminal | |
| US9343034B2 (en) | User interface, device and method for displaying a stable screen view | |
| JP4377863B2 (en) | Exercise trajectory information processing method and portable information device | |
| CN108777763B (en) | Photographing method and terminal equipment | |
| CN110231865A (en) | Tactile feedback method, electronic equipment and storage medium | |
| CN103309566A (en) | Display control device and display control method | |
| CN106525071A (en) | Method and device for monitoring motion state | |
| CN112243114B (en) | Method and device for switching working modes of projection equipment and projection equipment | |
| CN105138112A (en) | Display control method and apparatus | |
| CN108447146A (en) | Shooting direction bias detecting method and device | |
| JP2015224939A (en) | Portable device, control method of portable device and control program thereof | |
| CN108307053B (en) | Electronic device, fall control method and related product | |
| CN104639727A (en) | Phone call answering system and method | |
| CN110955378A (en) | Control method and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |