CN113766097A - Camera, camera control method, terminal, electronic device and storage medium - Google Patents

Camera, camera control method, terminal, electronic device and storage medium Download PDF

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Publication number
CN113766097A
CN113766097A CN202010507828.1A CN202010507828A CN113766097A CN 113766097 A CN113766097 A CN 113766097A CN 202010507828 A CN202010507828 A CN 202010507828A CN 113766097 A CN113766097 A CN 113766097A
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CN
China
Prior art keywords
camera
optical
optical fiber
path selector
module
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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.)
Pending
Application number
CN202010507828.1A
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Chinese (zh)
Inventor
孙权
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ZTE Corp
Original Assignee
ZTE Corp
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Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN202010507828.1A priority Critical patent/CN113766097A/en
Priority to PCT/CN2021/095421 priority patent/WO2021244340A1/en
Publication of CN113766097A publication Critical patent/CN113766097A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals

Abstract

The invention discloses a camera, a camera control method, a terminal, electronic equipment and a storage medium, which comprise a lens module, an optical fiber module, an optical path selector and an imaging element, wherein the optical fiber module at least comprises two optical fibers with different lengths, the optical path selector is arranged between the lens module and the optical fiber module and is used for transmitting light collected by the lens module to one of the optical fibers of the optical fiber module, and the imaging element receives an optical signal output by the optical fiber so as to enable the camera to obtain a shot image. Compared with the traditional camera, the camera disclosed by the invention has the advantages that the size is greatly reduced, and the integration level of the camera equipment is favorably improved.

Description

Camera, camera control method, terminal, electronic device and storage medium
Technical Field
The present invention relates to the field of camera device technologies, and in particular, to a camera, a camera control method, a terminal, an electronic device, and a storage medium.
Background
At present, mobile terminals such as mobile phones develop towards miniaturization, and a camera in the mobile terminal needs to be correspondingly reduced in size while the zoom factor is increased, but the size of the camera adopting optical zooming is difficult to reduce due to the limitation of an internal light path, so that the mobile terminal often needs to give way to the camera, for example, a rear camera of the mobile phone protrudes out of a rear shell of the mobile phone, and the use experience of the mobile terminal is influenced.
Disclosure of Invention
The invention provides a camera, a camera control method, a terminal, an electronic device and a storage medium, and aims to reduce the volume of an optical zoom camera.
In order to achieve the above object, an embodiment of the present invention provides a camera, including:
a lens module;
the optical fiber module at least comprises two optical fibers with different lengths;
the optical path selector is arranged between the lens module and the optical fiber module and is used for transmitting the light collected by the lens module to one of the optical fibers of the optical fiber module;
and the imaging element is connected with the optical fiber to receive the optical signal output by the optical fiber.
In order to achieve the above object, an embodiment of the present invention further provides a terminal, including the above camera;
in order to achieve the above object, an embodiment of the present invention further provides a method for controlling a camera, where the camera includes:
a lens module;
the optical fiber module at least comprises two optical fibers with different lengths;
the optical path selector is arranged between the lens module and the optical fiber module;
an imaging element connected to the optical fiber to receive the optical signal output from the optical fiber;
the control method comprises the following steps:
receiving a shooting instruction of a user, and determining a zoom multiple according to the shooting instruction;
and sending a control signal to the optical path selector according to the zoom multiple so as to transmit the light collected by the lens module to the optical fiber corresponding to the zoom multiple through the optical path selector.
In order to achieve the above object, an embodiment of the present invention further provides an electronic device, including at least one processor and a memory, which is communicatively connected to the at least one processor; the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the camera control method described above.
To achieve the above object, the present invention provides a storage medium for computer-readable storage, the storage medium storing one or more programs, the one or more programs being executable by one or more processors to implement the steps of the aforementioned control method of a camera.
According to the camera, the camera control method, the terminal, the electronic device and the storage medium, the camera is structurally provided with the optical fibers with different lengths so as to obtain different optical zoom multiples, and the optical path selector is controlled to switch the internal optical path so that light collected by the lens module enters different optical fibers, so that the focal length is selected; when the zoom lens is used, the light collected by the lens module is transmitted to one optical fiber in the optical fiber module by using the optical path selector, so that the zoom image is formed at the end of the imaging element after the light collected by the lens module is converted by the zoom multiple corresponding to the length of the optical fiber.
Drawings
Fig. 1 is a front view of a camera according to an embodiment of the present invention;
FIG. 2 is a front view of a camera head according to another embodiment of the first embodiment of the present invention;
fig. 3 is a side view of a camera according to a first embodiment of the present invention;
fig. 4 is a flowchart of a camera control method according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "part", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no peculiar meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
Example one
As shown in fig. 1 to 3, the present embodiment provides a camera including:
a lens module 100;
the optical fiber module at least comprises two optical fibers 200 with different lengths;
the optical path selector 300 is disposed between the lens module 100 and the optical fiber module, and the optical path selector 300 is configured to transmit the light collected by the lens module 100 to one of the optical fibers 200 of the optical fiber module;
and an imaging element 400 connected to the optical fiber 200 to receive the optical signal output from the optical fiber 200.
The lens module 100 is used to focus light reflected by a subject onto the imaging element 400, and the lens module 100 generally uses one or more optical elements to focus light reflected by the subject, such as a plurality of lenses arranged side by side for eliminating aberration and chromatic aberration during imaging, for simplifying the following description, the embodiment takes the lens module 100 as a single convex lens as an example to focus light reflected by the subject.
The optical fiber module is matched with the optical path selector 300 to realize the optical zooming function; in the conventional optical zoom, the focal length is changed by adjusting the relative position of each lens in the lens module 100, however, each lens is usually arranged side by side along the thickness direction of the mobile terminal, and in addition, the size of the camera is often difficult to reduce by arranging the photosensitive element towards the lens, so that the size of the camera obviously affects the thickness of the mobile terminal when the thickness of the mobile terminal is smaller; based on this, the embodiment of the invention adopts the optical fiber module to replace the traditional lens group to realize the optical zoom; specifically, at least two optical fibers 200 with different lengths are disposed in the optical fiber module, and each optical fiber 200 represents a different focal length, and the optical path selector 300 can enable the light collected by the lens module 100 to reach different optical fibers 200 by adjusting the internal optical path, so as to implement the selection of the focal length, i.e., the optical zooming. It can be understood that, due to the bendable characteristic of the optical fiber 200, the optical fiber 200 can be bent into a curve in the camera, so that the volume of the camera is reduced on one hand, and the focal length is increased through the bent optical fiber 200, so that the optical zoom factor is improved.
The optical path selector 300 has a function of adjusting an optical path of incident light, in this embodiment, the incident light is light collected by the lens module 100, and the optical path selector 300 changes an emitting direction of the incident light by adjusting an internal structure, so that the incident light enters the corresponding optical fiber 200 after passing through the optical path selector 300; the optical path selector 300 may implement optical path adjustment based on different structures, for example, the optical path selector 300 includes a plurality of prisms and a driving device, the driving device is connected to the prisms and is configured to adjust positions of the prisms to form an optical path for transmitting incident light to the corresponding optical fiber 200, wherein the driving device may be a micro motor to drive the prisms to translate or rotate, obviously, when positions of the prisms are changed, an emergent direction of the incident light after being refracted by the prisms is changed, thereby implementing optical path adjustment; the optical paths of the optical path selector 300 and the focal lengths can be in one-to-one correspondence by respectively arranging the optical fibers 200 at the output positions of the optical path selector 300, that is, the camera can obtain different optical zoom multiples by adjusting the optical paths of the optical path selector 300.
In order to reduce the loss of light propagating in the optical fiber 200, the optical fiber 200 in the optical path selector 300 may use an ultra-low loss superconducting optical fiber 200 material, so as to obtain image information with high fidelity at the imaging element 400 end.
In one embodiment of the present embodiment, the number of the imaging elements 400 is the same as the number of the optical fibers 200, each imaging element 400 is correspondingly connected to one optical fiber 200, for example, referring to fig. 1, there are four optical fibers 200 corresponding to the magnification factors of 1, 2, 3 and 4, the number of the imaging elements 400 is four, which are respectively a first imaging element, a second imaging element, a third imaging element and a fourth imaging element, the first imaging element is connected to the optical fiber 200 with the magnification factor of 1, the second imaging element is connected to the optical fiber 200 with the magnification factor of 2, the third imaging element is connected to the optical fiber 200 with the magnification factor of 3, the fourth imaging element is connected to the optical fiber 200 with the magnification factor of 4, and the controller of the mobile terminal is connected to the four imaging elements 400 to receive image information. In order to further reduce the size of the camera, the positional relationship between the imaging element 400 and the lens module 100 may be adjusted, for example, when the imaging element 400 is a sheet-shaped element, the plane where the imaging element 400 is located is parallel to the optical axis of the lens module 100, taking the lens module 100 as an example of a single convex lens, referring to fig. 1, looking down the incident plane of the convex lens, four imaging elements 400 are distributed on the peripheral side of the convex lens, and the lens module 100 and the imaging element 400 are connected by using the bending characteristic of the optical fiber 200.
In another real-time mode of this embodiment, the number of the imaging element 400 is one, all the optical fibers 200 in the optical fiber module are connected to the imaging element 400, for example, referring to fig. 2, the number of the optical fibers 200 is six, and corresponds to the magnification factor of 1, 2, 3, and 4, respectively, and the four optical fibers 200 converge on the imaging element 400, in this structure, the controller of the mobile terminal is connected to the imaging element 400 to receive the image information, it can be understood that, in order to make the image received on the imaging element 400 correct, the optical path selector 300 can only switch the optical path to one of the optical fibers 200 at a time, so that the end of the imaging element 400 receives the signal output by only one of the optical fibers 200 at the same time. Similarly, in order to further reduce the size of the camera, the positional relationship between the imaging element 400 and the lens module 100 may be adjusted, and the adjustment manner may refer to the foregoing embodiments, and will not be repeated herein.
In the second embodiment, the first embodiment of the method,
as shown in fig. 4, the present embodiment provides a camera control method, where the camera includes:
a lens module 100;
the optical fiber module at least comprises two optical fibers 200 with different lengths;
the optical path selector 300 is disposed between the lens module 100 and the optical fiber module, and the optical path selector 300 is configured to transmit the light collected by the lens module 100 to one of the optical fibers 200 of the optical fiber module;
an imaging element 400 connected to the optical fiber 200 to receive the optical signal output from the optical fiber 200;
the camera of the present embodiment and the camera of the first embodiment are structurally composed of a lens module 100, an optical fiber module, an optical path selector 300 and an imaging element 400, different focal lengths are obtained by arranging optical fibers 200 with different lengths in the optical fiber module, and light collected by the lens module 100 is transmitted to one of the optical fibers 200 through the optical path selector 300 by adjusting an optical path in the optical path selector 300, so that an amplified image is obtained at the end of the imaging element 400; based on the structure of the camera, the following control method is provided:
step S100: receiving a shooting instruction of a user, and determining a zoom multiple according to the shooting instruction;
specifically, when the camera is just started or needs to perform optical zooming, a shooting instruction of a user is received to determine which zoom multiple the camera should be switched to; for example, if the shooting instruction of the user is a starting instruction of the camera, the camera searches for a zoom multiple corresponding to the starting instruction according to the starting instruction, and starts the camera according to the zoom multiple, so that the camera is suitable for the user to shoot at the zoom multiple immediately after being started; for another example, the shooting instruction of the user is a zoom instruction, the camera is already in a working state at this time, when the camera receives the zoom instruction, a zoom multiple corresponding to the zoom instruction is searched, and the camera is adjusted according to the zoom multiple.
Step S200: a control signal is sent to the optical path selector 300 according to the zoom magnification to transmit the light collected by the lens module 100 to the optical fiber 200 corresponding to the zoom magnification through the optical path selector 300.
Specifically, after the zoom factor is determined, a control signal is sent to the optical path selector 300 according to the zoom factor, and the optical path selector 300 adjusts the internal optical path according to the control signal, so that the light collected by the lens module 100 exits through the optical path selector 300 to different directions, and the optical fiber 200 corresponding to the zoom factor is already arranged in the direction, thereby finally obtaining an enlarged image at the imaging element 400 end. It can be understood that a plurality of light emitting directions can be obtained by adjusting the light path selector 300, the optical fiber 200 is preset in the light emitting directions, and the light path corresponds to the focal length because the lengths of the optical fibers 200 are different and the corresponding focal lengths are different, at this time, the optical zooming is realized by adjusting the light path of the light path selector 300.
If the optical path selector 300 includes a plurality of prisms and driving devices, the step S200 further includes the following control steps:
step S210: and sending a control signal to the driving device according to the zoom multiple so as to control the driving device to adjust the position of the prism.
Specifically, the driving device is connected to the prism and can adjust the position of the prism according to a control instruction, for example, the driving device is a micro motor, the number of the prisms is three, the driving device can drive the prism to rotate within a certain angle range, and the refraction angle of the incident light in the prism can be changed by rotating the prism, so that different light paths are obtained at the exit end of the light path selector 300.
EXAMPLE III
The third embodiment of the invention provides a terminal, which comprises the camera.
Example four
An electronic device 500 is proposed in the fourth embodiment of the present invention, and referring to fig. 5, the electronic device 500 includes a memory 502, a processor 501, a program stored on the memory 502 and operable on the processor 501, and a data bus for implementing connection communication between the processor 501 and the memory 502, where the program implements steps S100 to S200 of the camera control method shown in fig. 4 when executed by the processor 501.
EXAMPLE five
An embodiment of the present invention provides a storage medium for computer-readable storage, where the storage medium stores one or more programs, and the one or more programs are executable by one or more processors 501 to implement steps S100 to S200 of the camera control method shown in fig. 4.
One of ordinary skill in the art will appreciate that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof.
In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, and are not to be construed as limiting the scope of the invention. Any modifications, equivalents and improvements which may occur to those skilled in the art without departing from the scope and spirit of the present invention are intended to be within the scope of the claims.

Claims (11)

1. A camera, comprising:
a lens module;
the optical fiber module at least comprises two optical fibers with different lengths;
the optical path selector is arranged between the lens module and the optical fiber module and is used for transmitting the light collected by the lens module to one of the optical fibers of the optical fiber module;
and the imaging element is connected with the optical fiber and receives the optical signal output by the optical fiber.
2. The camera of claim 1, wherein the number of said imaging elements is the same as the number of said optical fibers, and one of said optical fibers is connected to each of said imaging elements.
3. The camera of claim 1, wherein the number of the imaging elements is one, and the optical fibers of the optical fiber module are connected to the imaging elements.
4. The camera of claim 1, wherein the optical fiber is arranged in a curve.
5. The camera head according to claim 1, wherein the imaging element is a sheet-like element, and a plane of the imaging element is parallel to an optical axis of the lens module.
6. The camera of claim 1, wherein the optical path selector comprises a plurality of prisms and a driving device connected to the prisms for adjusting the position of the prisms to form the optical paths corresponding to the optical fibers.
7. A terminal, characterized in that it comprises a camera according to any one of claims 1 to 6.
8. A camera control method, characterized in that the camera comprises:
a lens module;
the optical fiber module at least comprises two optical fibers with different lengths;
the optical path selector is arranged between the lens module and the optical fiber module;
an imaging element connected to the optical fiber to receive the optical signal output from the optical fiber;
the control method comprises the following steps:
receiving a shooting instruction of a user, and determining a zoom multiple according to the shooting instruction;
and sending a control signal to the optical path selector according to the zoom multiple so as to transmit the light collected by the lens module to the optical fiber corresponding to the zoom multiple through the optical path selector.
9. The camera control method according to claim 8, wherein the optical path selector includes a plurality of prisms and a driving device, and the sending of the control signal to the optical path selector according to the zoom factor to transmit the light collected by the lens module to the optical fiber corresponding to the zoom factor through the optical path selector includes:
and sending a control signal to the driving device according to the zoom multiple so as to control the driving device to adjust the position of the prism.
10. An electronic device comprising a memory, a processor, a program stored on the memory and executable on the processor, and a data bus for implementing a connection communication between the processor and the memory, the program, when executed by the processor, implementing the camera control method according to claim 8 or 9.
11. A storage medium for computer-readable storage, characterized in that the storage medium stores one or more programs executable by one or more processors to implement the camera control method according to claim 8 or 9.
CN202010507828.1A 2020-06-05 2020-06-05 Camera, camera control method, terminal, electronic device and storage medium Pending CN113766097A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010507828.1A CN113766097A (en) 2020-06-05 2020-06-05 Camera, camera control method, terminal, electronic device and storage medium
PCT/CN2021/095421 WO2021244340A1 (en) 2020-06-05 2021-05-24 Camera, camera control method, terminal, electronic device, and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010507828.1A CN113766097A (en) 2020-06-05 2020-06-05 Camera, camera control method, terminal, electronic device and storage medium

Publications (1)

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JP2006033716A (en) * 2004-07-21 2006-02-02 Hitachi Maxell Ltd Imaging device
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CN201726031U (en) * 2009-12-04 2011-01-26 中国计量学院 Strong laser fiber light source
CN204065472U (en) * 2014-07-11 2014-12-31 北京工业大学 A kind of simple fiber-optics taper-coupled imaging system efficiently
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