CN112051697A - Control system and method of light supplementing light source and terminal - Google Patents

Control system and method of light supplementing light source and terminal Download PDF

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Publication number
CN112051697A
CN112051697A CN202010974931.7A CN202010974931A CN112051697A CN 112051697 A CN112051697 A CN 112051697A CN 202010974931 A CN202010974931 A CN 202010974931A CN 112051697 A CN112051697 A CN 112051697A
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CN
China
Prior art keywords
light source
control instruction
optical lens
adjusting mechanism
light
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.)
Pending
Application number
CN202010974931.7A
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Chinese (zh)
Inventor
吴庆远
马颖江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202010974931.7A priority Critical patent/CN112051697A/en
Publication of CN112051697A publication Critical patent/CN112051697A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B15/00Special procedures for taking photographs; Apparatus therefor
    • G03B15/02Illuminating scene
    • G03B15/03Combinations of cameras with lighting apparatus; Flash units
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B15/00Special procedures for taking photographs; Apparatus therefor
    • G03B15/02Illuminating scene
    • G03B15/03Combinations of cameras with lighting apparatus; Flash units
    • G03B15/04Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
    • G03B15/0442Constructional details of the flash apparatus; Arrangement of lamps, reflectors, or the like

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Studio Devices (AREA)

Abstract

The application discloses a control system and method for a light supplementing light source and a terminal. Wherein, this control system includes: the optical lens is arranged in front of the light supplementing light source in the terminal and used for condensing light emitted by the light supplementing light source; the adjusting mechanism is used for adjusting the mirror surface area of the optical lens and/or adjusting the position of the light supplementing light source; and the controller is connected with the adjusting mechanism and is used for controlling the adjusting mechanism to adjust the mirror surface area of the optical lens and/or adjust the position of the light supplementing light source. The flash lamp that this application had solved terminal equipment and had called system's camera realizes the illumination, because the flash lamp does not have the function of focus, the light source that the transmission was come out relatively diverges, leads to the not good technical problem of illuminating effect.

Description

Control system and method of light supplementing light source and terminal
Technical Field
The application relates to the field of flash lamp focal length control, in particular to a control system and method for a light supplementing light source and a terminal.
Background
At present, all terminal equipment is provided with a flashlight, the flashlight of a system camera is mainly called to realize illumination, but the flashlight has no focusing function, and emitted light sources are scattered, so that the illumination effect is poor.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the application provides a control system, a control method and a control terminal for a light supplementing light source, and aims to at least solve the technical problem that the lighting effect is poor due to the fact that a flash lamp of a system camera is called by terminal equipment to achieve lighting, and the emitted light source is relatively dispersed because the flash lamp has no focusing function.
According to an aspect of an embodiment of the present application, there is provided a control system of a fill-in light source, including: the optical lens is arranged in front of the light supplementing light source in the terminal and used for condensing light emitted by the light supplementing light source; the adjusting mechanism is used for adjusting the mirror surface area of the optical lens and/or adjusting the position of the light supplementing light source; and the controller is connected with the adjusting mechanism and is used for controlling the adjusting mechanism to adjust the mirror surface area of the optical lens and/or adjust the position of the light supplementing light source.
Optionally, the optical lens comprises: a concave lens or a convex lens.
Optionally, the controller is configured to control the adjusting mechanism to increase the mirror surface area of the optical lens in a case where the first control instruction is received; the controller is also used for controlling the adjusting mechanism to reduce the mirror surface area of the optical lens under the condition of receiving a second control instruction.
Optionally, the controller is configured to control the adjusting mechanism to drive the light supplement light source to move to the position where the optical lens is located when a third control instruction is received, where the third control instruction is used to instruct to increase the focal length of the light supplement light source; the controller is further used for controlling the adjusting mechanism to drive the light supplementing light source to move towards the direction far away from the position of the optical lens under the condition that a fourth control instruction is received, wherein the fourth control instruction is used for indicating that the focal length of the light supplementing light source is reduced.
Optionally, the first control instruction, the second control instruction, the third control instruction, and the fourth control instruction are generated by a user through a human-computer interaction interface or a physical key of the terminal.
According to another aspect of the embodiments of the present application, there is also provided a terminal, including: a camera system provided with a light supplement light source; and the control system of the light supplementing light source.
According to another aspect of the embodiments of the present application, there is provided a method for controlling a light supplement light source, where the method is applied to the above system for controlling a light supplement light source, and includes the following steps: acquiring a control instruction; and controlling the adjusting mechanism to adjust the mirror surface area of the optical lens and/or adjust the position of the light supplementing light source according to the control instruction.
Optionally, controlling the adjusting mechanism to adjust the mirror surface area of the optical lens according to the control instruction includes: if the control instruction is a first control instruction, controlling the adjusting mechanism to increase the mirror surface area of the optical lens; and if the control instruction is a second control instruction, controlling the adjusting mechanism to reduce the mirror surface area of the optical lens.
Optionally, controlling the adjusting mechanism to adjust the position of the light supplement light source according to the control instruction, includes: if the control instruction is a third control instruction, controlling the adjusting mechanism to drive the light supplementing light source to move to the position of the optical lens, wherein the third control instruction is used for indicating that the focal length of the light supplementing light source is increased; and if the control instruction is a fourth control instruction, controlling the adjusting mechanism to drive the light supplementing light source to move in the direction away from the position of the optical lens, wherein the fourth control instruction is used for indicating that the focal length of the light supplementing light source is reduced.
According to another aspect of the embodiments of the present application, a non-volatile storage medium is further provided, where the non-volatile storage medium includes a stored program, and when the program runs, the apparatus where the non-volatile storage medium is located is controlled to execute the above control method for the fill-in light source.
According to another aspect of the embodiments of the present application, there is provided a processor, configured to run a program stored in a memory, where the program is run to perform the above method for controlling a fill-in light source.
In an embodiment of the present application, a control system of a light supplement light source is provided, including: the optical lens is arranged in front of the light supplementing light source in the terminal and used for condensing light emitted by the light supplementing light source; the adjusting mechanism is used for adjusting the mirror surface area of the optical lens and/or adjusting the position of the light supplementing light source; the controller, be connected with adjustment mechanism, a position for controlling adjustment mechanism and adjusting optical lens's mirror surface area and/or regulation light filling light source, light filling light source the place ahead position through at the terminal sets up optical lens, utilize optical lens to launch the light that light filling light source sent out with gathering more, the purpose of avoiding the light source transition to disperse has been reached, thereby realized the technological effect who promotes the light filling light source's at terminal illuminating effect, and then the flash lamp of having solved terminal equipment and calling system camera realizes the illumination, because the flash lamp does not have the function of focus, the light source of launching relatively disperses, lead to the not good technical problem of illuminating effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a structural diagram of a control system of a fill-in light source according to an embodiment of the present application;
fig. 2 is a flowchart of a method for controlling a fill-in light source according to an embodiment of the present disclosure.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to an embodiment of the present application, there is provided an embodiment of a control system for a fill-in light source, where the steps illustrated in the flowchart of the drawings may be executed in a computer system, such as a set of computer executable instructions, and where a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be executed in an order different from that shown.
Fig. 1 is a structural diagram of a control system of a fill-in light source according to an embodiment of the present application, and as shown in fig. 1, the control system includes:
and an optical lens 10 disposed in front of the light supplement light source in the terminal, for condensing light emitted from the light supplement light source.
According to an alternative embodiment of the present application, the above optical lens 10 comprises: a concave lens or a convex lens.
The terminal is a mobile terminal device with a photographing function, such as a mobile phone, a tablet computer, and the like. The light supplementing light source is a flash lamp of a camera of the mobile terminal.
In the aspect of hardware, a convex lens or a concave lens is added in front of the flash lamp, and the lens can support whether the mirror surface area can be adjusted or not, and is connected to the mainboard through a flexible circuit board. In the software driving, the hardware and software driving is debugged according to the schematic diagram of the device and the like, and the normal work of adjusting the focal length can be ensured.
And the adjusting mechanism 12 is used for adjusting the mirror surface area of the optical lens 10 and/or adjusting the position of the light supplementing light source.
According to an alternative embodiment of the present application, the adjustment mechanism 12 is a motor. The working principle of the motor is that the motor is an electric motor and the engine rotates under the stress of an electrified coil in a magnetic field to drive a starter rotor to rotate, and a pinion on the rotor drives a transmitter flywheel to rotate.
And the controller 14 is connected with the adjusting mechanism 12 and is used for controlling the adjusting mechanism 12 to adjust the mirror surface area of the optical lens 10 and/or adjust the position of the supplementary lighting source.
In an alternative embodiment of the present application, the controller 14 may be a processor of the mobile terminal in order to save power consumption and space.
Through above-mentioned system, set up optical lens through the light filling light source the place ahead position at terminal, utilize optical lens to launch away the light that the light filling light source sent with gathering more, reached the purpose of avoiding the light source transition to disperse to the technological effect of the light filling light source who has realized promoting the terminal.
In an alternative embodiment of the present application, the controller 14 is configured to control the adjusting mechanism to increase the mirror area of the optical lens upon receiving the first control instruction; the controller is also used for controlling the adjusting mechanism to reduce the mirror surface area of the optical lens under the condition of receiving a second control instruction.
In this step, after the flash lamp is turned on, the mirror surface area (range between 0 and 1) of the optical lens can be adjusted through a human-computer interface or a volume up-down key of the terminal, and the position of the light supplement light source (flash lamp) is unchanged, so that the emitted light is more focused. When adjusted to less than 0 or greater than 1, the system will no longer adjust and the focal length of the optical lens will not change. When the distance is adjusted from 0 to 1, the system starts the motor to expand upwards in a folding mode, the focusing area of the light source is enlarged, the focal length is enlarged, and the emitted light source is more concentrated; when the distance from 1 to 0 is adjusted, the system starting motor shrinks downwards in a folding mode, the focusing area of the light source is small, the focal distance becomes small, and the emitted light source becomes divergent.
According to another alternative embodiment of the present application, the controller 14 is configured to control the adjusting mechanism to drive the fill-in light source to move to the position of the optical lens when receiving a third control instruction, where the third control instruction is used to instruct to increase the focal length of the fill-in light source; the controller is further used for controlling the adjusting mechanism to drive the light supplementing light source to move towards the direction far away from the position of the optical lens under the condition that a fourth control instruction is received, wherein the fourth control instruction is used for indicating that the focal length of the light supplementing light source is reduced.
According to an optional embodiment of the application, after the flash lamp is turned on, the focal length (in the range of 0-1) of the flash lamp source can be adjusted through a human-computer interaction interface or a volume up-down key of the terminal, and the area of the optical lens is unchanged. When adjusted to less than 0 or greater than 1, the system will no longer adjust and the light source position will not change. When the distance from 0 to 1 is adjusted, the system will start the motor to push the flash light source forward (i.e. move to the position of the optical lens mentioned above), the focusing area of the light source becomes larger, the focal length becomes larger, and the emitted light source becomes more divergent; when the value is adjusted from 1 to 0, the system will start the motor to pull back the flash light source (i.e. move away from the position of the optical lens as mentioned above), the focusing area of the light source becomes smaller, the focal length becomes smaller, and the emitted light source becomes focused.
According to an optional embodiment of the present application, the first control instruction, the second control instruction, the third control instruction, and the fourth control instruction are generated by a user through a human-computer interaction interface or a physical key of the terminal device.
The user can issue the control instruction through a human-computer interaction interface of the terminal, and also can issue the control instruction through a volume increasing and decreasing key of the terminal.
There is also provided, according to an embodiment of the present application, a terminal including: a camera system provided with a light supplement light source; and the control system of the light supplementing light source.
Fig. 2 is a flowchart of a method for controlling a fill-in light source according to an embodiment of the present disclosure, and as shown in fig. 2, the method for controlling the fill-in light source is applied to the above control system of the fill-in light source, and includes the following steps:
step S202, acquiring a control instruction;
and step S204, controlling the adjusting mechanism to adjust the mirror area of the optical lens and/or adjust the position of the light supplementing light source according to the control instruction.
According to an alternative embodiment of the present application, in the step S204, controlling the adjusting mechanism to adjust the mirror area of the optical lens according to the control instruction is implemented by: if the control instruction is a first control instruction, controlling the adjusting mechanism to increase the mirror surface area of the optical lens; and if the control instruction is a second control instruction, controlling the adjusting mechanism to reduce the mirror surface area of the optical lens.
In this step, after the flash lamp is turned on, the mirror surface area (range between 0 and 1) of the optical lens can be adjusted through a human-computer interface or a volume up-down key of the terminal, and the position of the light supplement light source (flash lamp) is unchanged, so that the emitted light is more focused. When adjusted to less than 0 or greater than 1, the system will no longer adjust and the focal length of the optical lens will not change. When the distance is adjusted from 0 to 1, the system starts the motor to expand upwards in a folding mode, the focusing area of the light source is enlarged, the focal length is enlarged, and the emitted light source is more concentrated; when the distance from 1 to 0 is adjusted, the system starting motor shrinks downwards in a folding mode, the focusing area of the light source is small, the focal distance becomes small, and the emitted light source becomes divergent.
In another optional embodiment of the present application, in step S204, controlling the adjusting mechanism to adjust the position of the light supplement light source according to the control instruction is implemented by: if the control instruction is a third control instruction, controlling the adjusting mechanism to drive the light supplementing light source to move to the position of the optical lens, wherein the third control instruction is used for indicating that the focal length of the light supplementing light source is increased; and if the control instruction is a fourth control instruction, controlling the adjusting mechanism to drive the light supplementing light source to move in the direction away from the position of the optical lens, wherein the fourth control instruction is used for indicating that the focal length of the light supplementing light source is reduced.
In this step, after the flash lamp is turned on, the focal length (range between 0 and 1) of the flash lamp source can be adjusted through a human-computer interface or a volume up-down key of the terminal, and the area of the optical lens is unchanged. When adjusted to less than 0 or greater than 1, the system will no longer adjust and the light source position will not change. When the distance from 0 to 1 is adjusted, the system will start the motor to push the flash light source forward (i.e. move to the position of the optical lens mentioned above), the focusing area of the light source becomes larger, the focal length becomes larger, and the emitted light source becomes more divergent; when the value is adjusted from 1 to 0, the system will start the motor to pull back the flash light source (i.e. move away from the position of the optical lens as mentioned above), the focusing area of the light source becomes smaller, the focal length becomes smaller, and the emitted light source becomes focused.
The embodiment of the application also provides a nonvolatile storage medium, which comprises a stored program, wherein when the program runs, the device where the nonvolatile storage medium is located is controlled to execute the control method of the light supplement light source.
The nonvolatile storage medium is used for storing a program for executing the following functions: acquiring a control instruction; and controlling the adjusting mechanism to adjust the mirror surface area of the optical lens and/or adjust the position of the light supplementing light source according to the control instruction.
The embodiment of the application further provides a processor, wherein the processor is used for running the program stored in the memory, and the program is run to execute the control method of the supplementary lighting source.
The processor is used for running a program for executing the following functions: acquiring a control instruction; and controlling the adjusting mechanism to adjust the mirror surface area of the optical lens and/or adjust the position of the light supplementing light source according to the control instruction.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a read-Only Memory (ROM), a random access Memory (RGREEM), a removable hard disk, a magnetic disk, or an optical disk.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims (11)

1. A control system for a fill-in light source, comprising:
the optical lens is arranged in front of the light supplementing light source in the terminal and used for condensing light emitted by the light supplementing light source;
the adjusting mechanism is used for adjusting the mirror surface area of the optical lens and/or adjusting the position of the light supplementing light source;
and the controller is connected with the adjusting mechanism and is used for controlling the adjusting mechanism to adjust the mirror surface area of the optical lens and/or adjust the position of the light supplementing light source.
2. The system of claim 1, wherein the optical lens comprises: a concave lens or a convex lens.
3. The system of claim 1,
the controller is used for controlling the adjusting mechanism to increase the mirror surface area of the optical lens under the condition of receiving a first control instruction;
the controller is further used for controlling the adjusting mechanism to reduce the mirror surface area of the optical lens under the condition of receiving a second control instruction.
4. The system of claim 3,
the controller is used for controlling the adjusting mechanism to drive the light supplementing light source to move to the position of the optical lens under the condition that a third control instruction is received, wherein the third control instruction is used for indicating that the focal length of the light supplementing light source is increased;
the controller is further configured to control the adjusting mechanism to drive the light supplement light source to move in a direction away from the position of the optical lens when a fourth control instruction is received, where the fourth control instruction is used to instruct to reduce the focal length of the light supplement light source.
5. The system according to claim 3 or 4, wherein the first control instruction, the second control instruction, the third control instruction and the fourth control instruction are generated by a user through a human-computer interaction interface or a physical key of the terminal.
6. A terminal, comprising:
a camera system provided with a light supplement light source; and
the system of any of claims 1 to 5.
7. A method for controlling a fill-in light source, the method being applied to the system of any one of claims 1 to 5, and comprising the steps of:
acquiring a control instruction;
and controlling an adjusting mechanism to adjust the mirror surface area of the optical lens and/or adjust the position of the light supplementing light source according to the control instruction.
8. The method of claim 7, wherein controlling an adjustment mechanism to adjust the mirror area of the optical lens according to the control command comprises:
if the control instruction is a first control instruction, controlling the adjusting mechanism to increase the mirror surface area of the optical lens;
and if the control instruction is a second control instruction, controlling the adjusting mechanism to reduce the mirror surface area of the optical lens.
9. The method of claim 8, wherein controlling an adjusting mechanism to adjust the position of the fill-in light source according to the control command comprises:
if the control instruction is a third control instruction, controlling the adjusting mechanism to drive the light supplement light source to move to the position of the optical lens, wherein the third control instruction is used for indicating to increase the focal length of the light supplement light source;
and if the control instruction is a fourth control instruction, controlling the adjusting mechanism to drive the light supplementing light source to move towards the direction far away from the position of the optical lens, wherein the fourth control instruction is used for indicating that the focal length of the light supplementing light source is reduced.
10. A non-volatile storage medium, comprising a stored program, wherein when the program runs, a device in which the non-volatile storage medium is located is controlled to execute the control method of the fill-in light source according to any one of claims 7 to 9.
11. A processor, characterized in that the processor is configured to run a program stored in a memory, wherein the program is run to execute the method for controlling a fill-in light source according to any one of claims 7 to 9.
CN202010974931.7A 2020-09-16 2020-09-16 Control system and method of light supplementing light source and terminal Pending CN112051697A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010974931.7A CN112051697A (en) 2020-09-16 2020-09-16 Control system and method of light supplementing light source and terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010974931.7A CN112051697A (en) 2020-09-16 2020-09-16 Control system and method of light supplementing light source and terminal

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Publication Number Publication Date
CN112051697A true CN112051697A (en) 2020-12-08

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Citations (7)

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Publication number Priority date Publication date Assignee Title
US20140252249A1 (en) * 2011-07-13 2014-09-11 Doros Teodora - D.A.Glass Method of obtaining a uniform beam of electromagnetic radiation of arbitrary geometrical shape and a mechanical-optical device for applications of this method
CN104880746A (en) * 2015-06-19 2015-09-02 西安交通大学 Variable-focus optical lens system and preparation thereof
CN107026968A (en) * 2016-02-01 2017-08-08 中兴通讯股份有限公司 camera zooming method, device and terminal
CN107850822A (en) * 2015-08-20 2018-03-27 松下知识产权经营株式会社 Lighting device, camera device and lens
WO2018161461A1 (en) * 2017-03-08 2018-09-13 华为技术有限公司 Flash, flash adjustment method, optical system, and terminal
CN109442284A (en) * 2018-11-05 2019-03-08 广东金源照明科技股份有限公司 A kind of adjustable LED lamp of light-emitting angle
CN210891470U (en) * 2019-12-11 2020-06-30 东莞市恒格光电科技有限公司 Flashlight lens with adjustable focal length

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140252249A1 (en) * 2011-07-13 2014-09-11 Doros Teodora - D.A.Glass Method of obtaining a uniform beam of electromagnetic radiation of arbitrary geometrical shape and a mechanical-optical device for applications of this method
CN104880746A (en) * 2015-06-19 2015-09-02 西安交通大学 Variable-focus optical lens system and preparation thereof
CN107850822A (en) * 2015-08-20 2018-03-27 松下知识产权经营株式会社 Lighting device, camera device and lens
CN107026968A (en) * 2016-02-01 2017-08-08 中兴通讯股份有限公司 camera zooming method, device and terminal
WO2018161461A1 (en) * 2017-03-08 2018-09-13 华为技术有限公司 Flash, flash adjustment method, optical system, and terminal
CN109442284A (en) * 2018-11-05 2019-03-08 广东金源照明科技股份有限公司 A kind of adjustable LED lamp of light-emitting angle
CN210891470U (en) * 2019-12-11 2020-06-30 东莞市恒格光电科技有限公司 Flashlight lens with adjustable focal length

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