CN108833799B - Flash lamp assembly, control method, control system and camera terminal - Google Patents
Flash lamp assembly, control method, control system and camera terminal Download PDFInfo
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- CN108833799B CN108833799B CN201810650871.6A CN201810650871A CN108833799B CN 108833799 B CN108833799 B CN 108833799B CN 201810650871 A CN201810650871 A CN 201810650871A CN 108833799 B CN108833799 B CN 108833799B
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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
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
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Abstract
The application is suitable for the technical field of terminals and provides a flash lamp assembly, a control method, a control system and a camera terminal, wherein the flash lamp assembly comprises a cover plate, a fingerprint sensor and a flash lamp which are sequentially stacked; the cover plate is provided with a fingerprint schematic pattern which is used for indicating the position of the fingerprint sensor; the cover plate is arranged on the sensing side of the fingerprint sensor, and the fingerprint sensor is arranged on the light emitting side of the flash lamp; the cover plate is movable relative to the flash lamp; the fingerprint sensor is movable relative to the flash or includes a light transmissive region. The embodiment of the application can realize the integrated setting of flash light and fingerprint sensor, effectively saves the space required to be consumed by the fingerprint sensor, improves the aesthetic degree of the terminal, enables the terminal to be more screen-enlarged, is particularly suitable for a double-sided screen terminal, and can also facilitate the user to identify the position of the fingerprint sensor.
Description
Technical Field
The application belongs to the technical field of terminals, and particularly relates to a flashlight assembly, a control method, a control system and a camera terminal.
Background
In recent years, with the increasing emphasis of users on the problem of personal privacy protection and the increasing demand for various entertainment functions of terminals, it is becoming a mainstream trend to equip terminals such as mobile phones, tablet computers, and personal digital assistants with camera and fingerprint recognition functions. In order to improve the image capturing effect in a low-light environment, a flash lamp is usually disposed near the image capturing module of the terminal to supplement light for the object to be captured in the low-light environment.
However, the fingerprint recognition module of the conventional terminal is usually independently disposed below the display screen of the terminal, on the side surface of the terminal or on the back surface of the terminal, and occupies more space, which seriously affects the aesthetic degree of the terminal appearance.
Disclosure of Invention
In view of this, embodiments of the present application provide a flash module, a control method, a control system, and a camera terminal, so as to solve the problem that the existing fingerprint identification module of the terminal is usually independently disposed below a display screen, a side surface, or a back surface of the terminal, occupies more space, and seriously affects the aesthetic degree of the terminal appearance.
A first aspect of an embodiment of the present application provides a flash lamp assembly, which includes a cover plate, a fingerprint sensor, and a flash lamp, which are sequentially stacked;
the cover plate is provided with a fingerprint schematic pattern which is used for indicating the position of the fingerprint sensor;
the cover plate is arranged on the sensing side of the fingerprint sensor, and the fingerprint sensor is arranged on the light emitting side of the flash lamp;
the cover plate is movable relative to the flash lamp;
the fingerprint sensor is movable relative to the flash or includes a light transmissive region.
In one embodiment, the cover plate is rotatably connected with respect to the flashlight through a rotating shaft structure or slidably connected with respect to the flashlight through a sliding structure.
When the fingerprint sensor is movable relative to the flash lamp, the fingerprint sensor is rotatably connected relative to the flash lamp through a rotating shaft structure or is slidably connected relative to the flash lamp through a sliding structure.
In one embodiment, the fingerprint pattern is an ink-engraved pattern or a laser-engraved pattern, and the fingerprint pattern is a grid-like pattern.
In one embodiment, the fingerprint sensor comprises a light transmissive region, the fingerprint sensor comprising an array of fingerprint sensing elements consisting of at least two fingerprint sensing elements;
and hollow areas are arranged between at least two adjacent fingerprint sensing elements at intervals, and all the hollow areas form a light transmission area of the fingerprint sensor.
In one embodiment, the array of fingerprint sensing elements is a regularly arranged rectangular array;
hollow-out areas are arranged between adjacent rows of fingerprint sensing elements of the rectangular array at intervals and/or hollow-out areas are arranged between adjacent columns of fingerprint sensing elements of the fingerprint sensing element array at intervals.
In one embodiment, the fingerprint sensing element array is a nested annular array consisting of at least two sub-annular arrays, and a hollow area is arranged between at least two adjacent sub-annular arrays.
A second aspect of the embodiments of the present application provides a camera terminal including the above-described flash assembly.
A third aspect of the embodiments of the present application provides a method for controlling a flash assembly, which is implemented based on the flash assembly or the camera terminal;
when the fingerprint sensor is movable relative to the flash, the control method includes:
when a camera shooting instruction is acquired in a flash lamp mode, whether a cover plate and a fingerprint sensor block a flash lamp is detected;
when the cover plate covers the flash lamp, the cover plate is controlled to move to the first side of the flash lamp;
when the fingerprint sensor shields the flash lamp, the fingerprint sensor is controlled to move to the second side of the flash lamp;
when the cover plate and the fingerprint sensor do not shield the flash lamp, controlling the flash lamp to be lightened;
when the fingerprint sensor includes a light-transmitting area, the control method includes:
when a camera shooting instruction is acquired in a flash lamp mode, detecting whether a cover plate covers a flash lamp;
when the cover plate covers the flash lamp, the cover plate is controlled to move to one side of the flash lamp;
when the cover plate does not shield the flash lamp, the flash lamp is controlled to be lightened.
A fourth aspect of the embodiments of the present application provides a control system for a flash module, which is implemented based on the flash module or the camera terminal;
when the fingerprint sensor is movable relative to the flash, the control system comprises:
the first detection module is used for detecting whether the cover plate and the fingerprint sensor block the flash lamp or not when the camera shooting instruction is obtained in the flash lamp mode;
the first mobile control module is used for controlling the cover plate to move to the first side of the flash lamp when the cover plate covers the flash lamp;
the second movement control module is used for controlling the fingerprint sensor to move to the second side of the flash lamp when the fingerprint sensor shields the flash lamp;
the first lighting control module is used for controlling the flash lamp to be lighted when the cover plate and the fingerprint sensor do not shield the flash lamp;
when the fingerprint sensor includes a light transmissive region, the control system includes:
the second detection module is used for detecting whether the cover plate covers the flash lamp or not when the camera shooting instruction is obtained in the flash lamp mode;
the third mobile control module is used for controlling the cover plate to move to one side of the flash lamp when the cover plate covers the flash lamp;
and the second lighting control module is used for controlling the flash lamp to be lighted when the cover plate does not shield the flash lamp.
A fifth aspect of the embodiments of the present application provides a camera terminal, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the method when executing the computer program.
A sixth aspect of embodiments of the present application provides a computer-readable storage medium, which stores a computer program, and the computer program, when executed by a processor, implements the steps of the above method.
The embodiment of the application provides the flash lamp assembly comprising the cover plate, the fingerprint sensor and the flash lamp which are sequentially stacked, so that the cover plate is movable relative to the flash lamp, the fingerprint sensor is movable relative to the flash lamp or comprises the light-transmitting area, the flash lamp and the fingerprint sensor can be integrally arranged, the space consumed by arranging the fingerprint sensor is effectively saved, the aesthetic degree of the terminal is improved, the terminal can be more screen-enlarged, and the flash lamp assembly is particularly suitable for a double-sided screen terminal; simultaneously through the fingerprint signal pattern that is used for signalling fingerprint sensor's position in the apron setting, can make things convenient for the user to discern fingerprint sensor's position.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is an exploded view of a flashlight assembly according to an embodiment of the present disclosure;
FIGS. 2-4 are schematic structural views of a flashlight assembly according to an embodiment of the present disclosure;
fig. 5 and 6 are schematic structural diagrams of a fingerprint sensor provided in the second embodiment of the present application;
fig. 7 is a schematic structural diagram of a camera terminal according to a third embodiment of the present application;
fig. 8 and 9 are schematic flow charts of a control method of a flash assembly according to a fourth embodiment of the present application;
fig. 10 and 11 are schematic structural diagrams of a control system of a flashlight assembly provided in the fifth embodiment of the present application;
fig. 12 is a schematic structural diagram of a camera terminal according to a sixth embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
In order to explain the technical solution described in the present application, the following description will be given by way of specific examples.
Example one
As shown in fig. 1, the present embodiment provides a flash assembly 100 including a cover plate 10, a fingerprint sensor 20, and a flash 30, which are sequentially stacked. For convenience of illustration, fig. 1 exemplarily shows a plan view of the cover plate 10, the fingerprint sensor 20, and the flash 30, which are sequentially arranged after being separated.
The flashlight assembly provided by the embodiment can be applied to any camera terminal with a camera function, such as a mobile phone, a tablet computer, a notebook computer, a personal digital assistant, an intelligent bracelet, a self-service teller machine of a bank, a self-service endorsement terminal of an entrance and exit management hall, a railway station or an airport and the like. The flash lamp assembly can be arranged at any position of the camera terminal according to actual needs, for example, when the camera terminal is a mobile phone or a tablet computer, the flash lamp assembly can be arranged beside a rear camera at the back of the camera terminal.
In this embodiment, the flash is a light-emitting device for supplementing light to a subject when an image capturing function (image capturing function such as video recording and photographing) of the image capturing terminal is activated in a low-light environment or a high-exposure environment. Depending on the specific structure of the flashlight assembly, the flashlight may include only a single Light Emitting element, or may include a Light Emitting element array composed of a plurality of Light Emitting elements, and the Light Emitting elements may be LEDs (Light Emitting diodes) or OLEDs (Organic Light-Emitting diodes).
In a specific application, the fingerprint sensor can be an optical fingerprint sensor, a semiconductor capacitance fingerprint sensor, a semiconductor heat-sensitive fingerprint sensor, a semiconductor pressure-sensitive fingerprint sensor, an ultrasonic fingerprint sensor or a radio frequency RF fingerprint sensor and the like according to different specific structures of the flash lamp assembly.
In specific application, the shapes and sizes of the cover plate, the fingerprint sensor and the flash lamp can be set according to actual needs, and the cover plate can cover the flash lamp and the fingerprint sensor.
Fig. 1 shows, by way of example, that the cover plate 10, the fingerprint sensor 20 and the flash 30 are all circular.
In specific applications, the cover plate may be made of any insulating material, such as acrylic, resin, tempered glass, and the like.
As shown in fig. 1, in the present embodiment, the cover plate 10 is provided with a fingerprint pattern for indicating the position of the fingerprint sensor 20, so that a user can quickly find the position of the flash assembly on the camera terminal according to the fingerprint pattern, thereby implementing a fingerprint identification function.
In a specific application, the fingerprint pattern may be disposed on the cover plate by any feasible manner, such as laser marking, ink marking, electroplating, and the like. The fingerprint pattern may be provided as any easily recognizable pattern, such as a fingerprint-like pattern, a grid-like pattern, a circle, a polygon, or a shaped pattern.
In one embodiment, the fingerprint pattern is an ink-engraved pattern or a laser-engraved pattern, and the fingerprint pattern is a grid-like pattern.
The schematic pattern of the fingerprint is exemplarily shown in fig. 1 as a grid-like pattern.
In the present embodiment, the cover plate 10 is disposed on the sensing side of the fingerprint sensor 20, and the fingerprint sensor 20 is disposed on the light emitting side of the flash 30;
the cover plate 10 is movable relative to the flash lamp 30;
the fingerprint sensor 20 is movable relative to the flash 30 or includes a light-transmissive region.
In specific application, the sensing side is the side where the sensing surface for acquiring the fingerprint sensing signal on the fingerprint sensor is located, and the light-emitting side is the side where the light-emitting surface for emitting light on the flash lamp is located.
In a specific application, the cover plate can be moved to any side except the light-emitting side and the bottom side of the flash lamp; when the fingerprint sensor is movable relative to the flash lamp, the fingerprint sensor can also be moved to any side of the flash lamp except the light emitting side and the bottom side. The cover plate and the fingerprint sensor may be moved to the same side or different sides of the flash.
Fig. 2 exemplarily shows a case where the cover plate 10 and the fingerprint sensor 20 are moved to two opposite sides of the flash 30, respectively.
Fig. 3 exemplarily shows a case where the cover plate 10 and the fingerprint sensor 20 are moved to the same side of the flash 30.
In specific application, the cover plate can be movably connected with the flash lamp in any movable connection mode, the cover plate can be directly movably connected with the flash lamp, and can also be movably connected with a bottom plate or a support of the flash lamp, and the cover plate can be moved to a position where the light emitting side of the flash lamp is not shielded as long as the cover plate is guaranteed to be movable.
In one embodiment, the cover plate is rotatably connected with respect to the flashlight through a rotating shaft structure or slidably connected with respect to the flashlight through a sliding structure.
In specific application, when the fingerprint sensor is movable relative to the flash lamp, the fingerprint sensor can be movably connected relative to the flash lamp in any movable connection mode, the fingerprint sensor can be directly movably connected to the flash lamp, and can also be movably connected to a bottom plate or a support of the flash lamp, so long as the fingerprint sensor is guaranteed to be movable to a position where the light emitting side of the flash lamp is not shielded.
In one embodiment, the fingerprint sensor is rotatably coupled with respect to the flash by a hinge structure or slidably coupled with respect to the flash by a sliding structure.
In specific application, the rotating shaft structure can select any type of rotating shaft according to the rotating angle of actual needs, for example, a gasket rotating shaft, a linear rotating shaft, a rolling rotating shaft, a torsion spring rotating shaft and the like, and the maximum rotating angle which can be realized by the cover plate and/or the fingerprint sensor through the rotating shaft structure is not less than 90 degrees.
In one embodiment, the cover plate and/or the fingerprint sensor has a maximum rotation angle range of [90 °, 180 ° ], and the cover plate and/or the fingerprint sensor has a rotation angle range of [0 °, 180 ° ].
In specific application, any type of sliding structure can be selected according to the actual sliding distance, for example, a sliding groove and roller structure, a sliding groove and guide rail structure and the like.
Fig. 4 exemplarily shows a case where the cover plate 10 and the fingerprint sensor 20 are slid to the same side of the flash 30 by the first sliding structure 101 and the second sliding structure 102, respectively. Only the sliding grooves of the first sliding structure 101 and the second sliding structure 102 are shown in fig. 4, and neither the first roller structure or the first rail structure provided at the bottom of the cover plate 10 to cooperate with the first sliding structure nor the second roller structure or the second rail structure provided at the bottom of the fingerprint sensor 20 to cooperate with the second sliding structure is shown.
In a specific application, when the fingerprint sensor includes the light-transmitting area, the light-transmitting area may be a hollow area with any shape spaced between the fingerprint sensing elements on the fingerprint sensor.
In one embodiment, the hollowed-out area is provided with a light-transmitting insulating layer.
In specific applications, the light-transmitting insulating layer may be made of any insulating light-transmitting material, such as acrylic, glass, or resin.
Example two
As shown in fig. 5 or fig. 6, in the present embodiment, the fingerprint sensor 20 includes a fingerprint sensing element array composed of at least two fingerprint sensing elements 21, a hollow area 22 is spaced between at least two adjacent fingerprint sensing elements 21, and all the hollow areas 22 constitute a light transmission area of the fingerprint sensor.
In a specific application, the array of fingerprint sensing elements can be arranged as an array with any shape according to actual needs, and the fingerprint sensing elements can also be arranged as an array with any shape according to actual needs, such as a circle, an ellipse, a regular polygon or a special shape.
In concrete application, the number and the area of the hollow-out area that the fingerprint sensor includes can be set for according to actual need, as long as the number of the hollow-out area of guaranteeing the fingerprint sensor is no less than 1 can, the number of the hollow-out area of fingerprint sensor is more, the area is bigger, the distribution is more even, the light filling effect of flash light is better.
In one embodiment, the fingerprint sensor is arranged on the light emitting side of the flash lamp in a stacked manner, the fingerprint sensing element array is a rectangular array which is regularly arranged, and hollow areas are arranged between adjacent rows of fingerprint sensing elements of the fingerprint sensing element array at intervals and/or hollow areas are arranged between adjacent columns of fingerprint sensing elements of the fingerprint sensing element array at intervals.
Fig. 5 exemplarily shows a case where the fingerprint sensor device 21 has a rectangular shape, the fingerprint sensor device array has a rectangular array composed of 2 × 3 fingerprint sensor devices and regularly arranged, and the hollow areas 22 are spaced between adjacent rows of the fingerprint sensor devices 21 of the fingerprint sensor device array.
In one embodiment, the fingerprint sensing element array is a nested annular array consisting of at least two sub-annular arrays, and a hollow area is arranged between at least two adjacent sub-annular arrays.
In a specific application, the shape of the sub-annular array can be set to any annular shape according to actual needs, for example, a circular ring, a rectangular ring, a special-shaped ring, or the like.
Fig. 6 shows an exemplary case where the fingerprint sensing element 21 is in a pitch shape, the fingerprint sensing element array is a nested annular array composed of three sub-annular arrays, and a hollow-out region 22 is arranged between three adjacent sub-annular arrays.
In specific application, the hollow areas can be through holes in any shapes, adjacent hollow areas can be communicated with each other or arranged at intervals, and the hollow areas can be provided with cover plates, such as acrylic or glass cover plates.
In one embodiment, the adjacent hollow-out areas are communicated with each other.
In one embodiment, the flash assembly further comprises a first micro motor for driving the cover plate to move;
when the fingerprint sensor is movable relative to the flash, the flash assembly further includes a second micro motor for driving the fingerprint sensor to move.
In a specific application, the first micro motor and the second micro motor may be the same motor or different motors according to the driving track and driving distance that the micro motor can achieve and the moving orientation of the cover plate and the fingerprint sensor, for example, when the first micro motor and the second micro motor are both linear motors and the moving orientation of the cover plate and the fingerprint sensor are both moved to the same side of the flash lamp, the first micro motor and the second micro motor may be the same motor.
This embodiment is through setting up the printing opacity district at fingerprint sensor for when needing to use the flash light, need not to remove fingerprint sensor, only need remove the apron, easy and simple to handle, easily realization.
EXAMPLE III
As shown in fig. 7, the present embodiment provides a camera terminal 200 including the flash assembly 100 of the first or second embodiment. In fig. 7, a circular rear camera 201 disposed at the rear of the camera terminal 200 and a circular flash assembly 100 disposed beside the rear camera 201 are exemplarily shown.
In specific application, the flash lamp component can be set to be in any shape and any area according to actual needs, specifically can be set to be in a circular shape, an oval shape or a U shape which is convenient for fingerprint identification and has the shape equivalent to that of a finger and the area equivalent to that of the finger fingerprint, and can also be set to be in any polygon or special shape. The flash light assembly can be arranged on the back face of the camera terminal in a protruding mode, can be arranged parallel and level to the back face of the camera terminal, and can be arranged in a recessed mode relative to the back face of the camera terminal to reduce the risk of scratches.
Example four
As shown in fig. 8 or 9, the present embodiment provides a control method of a flash module implemented based on the flash module in the first embodiment or the second embodiment or the camera terminal in the third embodiment, where the control method may be applied to any camera terminal, and may be specifically executed by a processor of the camera terminal, and when the camera terminal is a mobile terminal such as a mobile phone, a smart band, a tablet computer, or a personal digital assistant, the processor may be a baseband processor.
As shown in fig. 8, when the fingerprint sensor is movable relative to the flash, the control method includes:
step S801, when a shooting instruction is acquired in the flash lamp mode, whether the cover plate and the fingerprint sensor shield the flash lamp is detected.
In specific application, whether the apron and fingerprint sensor shelter from the flash light can be detected through detecting whether the apron and fingerprint sensor all move to the side of flash light.
And S802, when the cover plate covers the flash lamp, controlling the cover plate to move to the first side of the flash lamp.
In a specific application, the processor can drive the first micro motor which is directly or indirectly mechanically connected with the cover plate to move so as to control the cover plate to move to the first side of the flash lamp, and the cover plate can also be manually controlled to move.
In a particular application, the first side may be any side other than the light exit side and the bottom side of the flash lamp.
In specific application, when the cover plate slides relative to the flash lamp, whether the cover plate moves to the position where the flash lamp is not shielded can be judged by detecting whether the sliding distance of the cover plate reaches a first distance threshold value, and if the sliding distance of the cover plate reaches the first distance threshold value, the cover plate is judged to move to the position where the flash lamp is not shielded.
In specific application, when the cover plate rotates relative to the flash lamp, whether the cover plate moves to the position where the flash lamp is not shielded can be judged by detecting whether the rotation angle of the cover plate reaches a first angle threshold value, and if the rotation angle of the cover plate reaches the first angle threshold value, the cover plate is judged to move to the position where the flash lamp is not shielded. The first angle threshold has an angular range of [90 °, 180 ° ].
And step S803, when the flash lamp is shielded by the fingerprint sensor, controlling the fingerprint sensor to move to the second side of the flash lamp.
In a specific application, the processor can drive the second micro motor which is directly or indirectly mechanically connected with the fingerprint sensor to move so as to control the fingerprint sensor to move to the second side of the flash lamp, and the fingerprint sensor can also be manually controlled to move.
In a particular application, the second side may be any side other than the light exit side and the bottom side of the flash lamp. The first and second sides may be the same side of the flash or different sides.
In specific application, when the fingerprint sensor slides relative to the flash lamp, whether the fingerprint sensor moves to the position where the flash lamp is not shielded can be judged by detecting whether the sliding distance of the fingerprint sensor reaches the second distance threshold value, and if the sliding distance of the fingerprint sensor reaches the second distance threshold value, the fingerprint sensor is judged to move to the position where the flash lamp is not shielded.
In specific application, when the fingerprint sensor rotates relative to the flash lamp, whether the fingerprint sensor moves to the position where the flash lamp is not shielded can be judged by detecting whether the rotation angle of the fingerprint sensor reaches the second angle threshold value, and if the rotation angle of the fingerprint sensor reaches the second angle threshold value, the fingerprint sensor is judged to move to the position where the flash lamp is not shielded. The second angle threshold has an angular range of [90 °, 180 ° ].
In a specific application, when the first side and the second side are the same side, the first micro motor and the second micro motor may be the same motor, and both the first distance threshold and the second distance threshold are greater than or equal to the length of the flash lamp in the sliding direction of the cover plate and the fingerprint sensor.
And step S804, when the cover plate and the fingerprint sensor do not shield the flash lamp, controlling the flash lamp to be lightened.
In a specific application, the brightness and the lighting time duration of the flash lamp can be adaptively adjusted according to the actual use of the lighting flash lamp and the actual brightness of the current environment. For example, when the flash lamp is turned on to supplement light for the shot object, the flash lamp is controlled to be turned on at a first brightness for a first time period, and the first brightness and the first time period are negatively correlated with the current ambient brightness; when the shot object is in backlight and the current environment brightness is too bright, controlling the flash lamp to light for a second time length at a second brightness, wherein the second brightness and the second time length are positively correlated with the current environment brightness so as to reduce the difference between the brightness of the shot object and the environment brightness; when the flash is turned on for illumination, the flash is controlled to be continuously turned on at a third brightness until an instruction for controlling the flash to be turned off is received, and the third brightness is inversely related to the current ambient brightness.
In one embodiment, when the fingerprint sensor is movable relative to the flash, the control method further comprises:
when an illumination instruction is acquired, controlling the flash lamp to continuously light;
and when a flash lamp extinguishing instruction is acquired, controlling the flash lamp to be extinguished.
In one embodiment, when the fingerprint sensor is movable relative to the flash, the control method further comprises:
when a fingerprint identification instruction is acquired in a fingerprint identification mode, detecting whether a cover plate and a fingerprint sensor shield a flash lamp or not;
when the cover plate does not shield the flash lamp, the cover plate is controlled to move to the light emitting side of the flash lamp;
when the fingerprint sensor does not shield the flash lamp, the fingerprint sensor is controlled to move to the light emitting side of the flash lamp;
when the cover plate and the fingerprint sensor shield the flash lamp, the fingerprint sensor is controlled to acquire a fingerprint sensing signal and identify the fingerprint sensing signal.
As shown in fig. 9, when the fingerprint sensor includes a light-transmitting area, the control method includes:
step S901, when a camera instruction is acquired in the flash mode, whether the cover plate blocks the flash is detected.
In specific application, whether the cover plate covers the flash lamp can be detected by detecting whether the cover plate moves to the side face of the flash lamp.
Step S902, when the cover plate covers the flash lamp, the cover plate is controlled to move to one side of the flash lamp;
and step S903, controlling the flash lamp to be turned on when the flash lamp is not shielded by the cover plate.
In this embodiment, the principle of step S902 and step S903 is the same as that of step S802 and step S903, respectively, and is not described herein again.
In one embodiment, when the fingerprint sensor includes a light-transmitting area, the control method further includes:
when an illumination instruction is acquired, controlling the flash lamp to continuously light;
and when a flash lamp extinguishing instruction is acquired, controlling the flash lamp to be extinguished.
In one embodiment, when the fingerprint sensor includes a light-transmitting area, the control method further includes:
when a fingerprint identification instruction is acquired in a fingerprint identification mode, detecting whether a cover plate covers a flash lamp or not;
when the cover plate does not shield the flash lamp, the cover plate is controlled to move to the light emitting side of the flash lamp;
when the cover plate covers the flash lamp, the fingerprint sensor is controlled to acquire and identify fingerprint sensing signals.
The embodiment can realize automatic control of the moving position of the cover plate and automatic control of the moving position of the fingerprint sensor when the fingerprint sensor is movable relative to the flash lamp by providing the control method of the flash lamp assembly, thereby realizing automatic switching of the flash lamp mode and the fingerprint identification mode of the flash lamp assembly.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
EXAMPLE five
As shown in fig. 10 or fig. 11, the present embodiment provides a control system of a flash lamp assembly implemented based on the flash lamp assembly in the first embodiment or the second embodiment or the camera terminal in the third embodiment, and the control system is a software program system in any camera terminal for implementing the method steps in the fourth embodiment.
As shown in fig. 10, when the fingerprint sensor is movable relative to the flash, the control system 300 includes:
the first detection module 301 is configured to detect whether the cover plate and the fingerprint sensor block the flash lamp when a camera shooting instruction is acquired in the flash lamp mode;
the first movement control module 302 is used for controlling the cover plate to move to a first side of the flash lamp when the cover plate covers the flash lamp;
the second movement control module 303 is used for controlling the fingerprint sensor to move to the second side of the flash lamp when the fingerprint sensor shields the flash lamp;
and the first lighting control module 304 is used for controlling the flash lamp to be lighted when the cover plate and the fingerprint sensor do not shield the flash lamp.
In one embodiment, when the fingerprint sensor is movable relative to the flash, the first illumination control module is further to:
when an illumination instruction is acquired, controlling the flash lamp to continuously light;
and when a flash lamp extinguishing instruction is acquired, controlling the flash lamp to be extinguished.
In one embodiment, when the fingerprint sensor is movable relative to the flash lamp, the first detection module is further configured to detect whether the cover plate and the fingerprint sensor block the flash lamp when a fingerprint identification instruction is acquired in the fingerprint identification mode;
the first mobile control module is also used for controlling the cover plate to move to the light emitting side of the flash lamp when the cover plate does not shield the flash lamp;
the second mobile control module is also used for controlling the fingerprint sensor to move to the light emitting side of the flash lamp when the fingerprint sensor does not shield the flash lamp;
the control system further comprises a first fingerprint identification module used for controlling the fingerprint sensor to acquire and identify fingerprint sensing signals when the cover plate and the fingerprint sensor shield the flash lamp.
As shown in fig. 11, when the fingerprint sensor includes a light-transmitting area, the control system 400 includes:
the second detection module 401 is configured to detect whether the cover plate blocks the flash lamp when the camera shooting instruction is obtained in the flash lamp mode;
a third movement control module 402, configured to control the cover to move to one side of the flash lamp when the cover blocks the flash lamp;
and a second lighting control module 403, configured to control the flash to light when the cover does not cover the flash.
In one embodiment, when the fingerprint sensor includes a light transmissive region, the second illumination control module is further configured to:
when an illumination instruction is acquired, controlling the flash lamp to continuously light;
and when a flash lamp extinguishing instruction is acquired, controlling the flash lamp to be extinguished.
In one embodiment, when the fingerprint sensor includes a transparent area, the second detection module is further configured to detect whether the cover plate blocks the flash lamp when the fingerprint identification instruction is acquired in the fingerprint identification mode;
the third mobile control module is also used for controlling the cover plate to move to the light emitting side of the flash lamp when the cover plate does not shield the flash lamp;
the control system further comprises a second fingerprint identification module used for controlling the fingerprint sensor to acquire and identify the fingerprint sensing signal when the cover plate covers the flash lamp.
The embodiment can realize automatic control of the cover plate moving position and automatic control of the fingerprint sensor moving position when the fingerprint sensor is movable relative to the flash lamp by providing the control system of the flash lamp component, thereby realizing automatic switching of the flash lamp mode and the fingerprint identification mode of the flash lamp component.
EXAMPLE six
As shown in fig. 12, the present embodiment provides a camera terminal 500 including: a processor 501, a memory 502 and a computer program 503, such as a control program for a flashlight assembly, stored in said memory 502 and executable on said processor 501. The processor 501, when executing the computer program 503, implements the steps in the above-described embodiment of the control method of the flashlight assembly, such as steps S801 to S804 shown in fig. 8 or steps S903 to S904 shown in fig. 9. Alternatively, the processor 501 executes the computer program 503 to implement the functions of the modules in the device embodiments, such as the modules 301 to 304 shown in fig. 10 or the modules 401 to 403 shown in fig. 11.
Illustratively, the computer program 503 may be partitioned into one or more modules that are stored in the memory 502 and executed by the processor 501 to accomplish the present application. The one or more modules may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program 503 in the camera terminal 500. For example, the computer program 503 may be divided into a first detection module, a first movement control module, a second movement control module, and a first lighting control module, and the specific functions of each module are as follows:
the first detection module is used for detecting whether the cover plate and the fingerprint sensor block the flash lamp or not when the camera shooting instruction is obtained in the flash lamp mode;
the first mobile control module is used for controlling the cover plate to move to the first side of the flash lamp when the cover plate covers the flash lamp;
the second movement control module is used for controlling the fingerprint sensor to move to the second side of the flash lamp when the fingerprint sensor shields the flash lamp;
the first lighting control module is used for controlling the flash lamp to be lighted when the cover plate and the fingerprint sensor do not shield the flash lamp;
the computer program 503 may be divided into a second detection module, a third movement control module, and a second lighting control module, and each module has the following specific functions:
the second detection module is used for detecting whether the cover plate covers the flash lamp or not when the camera shooting instruction is obtained in the flash lamp mode;
the third mobile control module is used for controlling the cover plate to move to one side of the flash lamp when the cover plate covers the flash lamp;
and the second lighting control module is used for controlling the flash lamp to be lighted when the cover plate does not shield the flash lamp.
The camera terminal 500 may be a desktop computer, a notebook, a palm computer, a cloud server, or other computing devices. The camera terminal may include, but is not limited to, a processor 501, a memory 502. Those skilled in the art will appreciate that fig. 12 is merely an example of the camera terminal 500, and does not constitute a limitation of the camera terminal 500, and may include more or less components than those shown, or combine some of the components, or different components, for example, the camera terminal may further include an input-output device, a network access device, a bus, etc.
The Processor 501 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 502 may be an internal storage unit of the camera terminal 500, such as a hard disk or a memory of the camera terminal 500. The memory 502 may also be an external storage device of the camera terminal 500, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the camera terminal 500. Further, the memory 502 may also include both an internal storage unit and an external storage device of the camera terminal 500. The memory 502 is used to store the computer program and other programs and data required by the camera terminal. The memory 502 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed camera terminal and method can be implemented in other ways. For example, the above-described embodiments of the camera terminal are merely illustrative, and for example, the division of the modules or units is only one logical function division, and there may be another division manner in actual implementation, for example, a plurality of units or components may be combined or may be 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, devices or units, and may be in an electrical, mechanical 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 network 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 module, 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, all or part of the flow in the method of the embodiments described above can be realized by a computer program, which can be stored in a computer-readable storage medium and can realize the steps of the embodiments of the methods described above when the computer program is executed by a processor. . Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media which may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (8)
1. A flash lamp component is characterized by comprising a cover plate, a fingerprint sensor and a flash lamp which are sequentially stacked;
the cover plate is provided with a fingerprint schematic pattern which is used for indicating the position of the fingerprint sensor;
the cover plate is arranged on the sensing side of the fingerprint sensor, and the fingerprint sensor is arranged on the light emitting side of the flash lamp;
the cover plate is movable relative to the flash lamp;
the fingerprint sensor comprises a light-transmitting area;
when the fingerprint sensor comprises a light-transmitting area, the fingerprint sensor comprises a fingerprint sensing element array consisting of at least two fingerprint sensing elements;
hollow areas are arranged between at least two adjacent fingerprint sensing elements at intervals, and all the hollow areas form a light transmission area of the fingerprint sensor; the hollow area is provided with a light-transmitting insulating layer;
the fingerprint sensing element array is a nested annular array consisting of at least two sub-annular arrays, and a hollow area is arranged between at least two adjacent sub-annular arrays at intervals;
the flashlight assembly further comprises a first micro motor for driving the cover plate to move;
the flash lamp is set to be circular, oval or U-shaped, the shape of the flash lamp is equivalent to that of a finger, and the area of the flash lamp is equivalent to that of a finger fingerprint.
2. The flash assembly of claim 1, wherein the cover plate is rotatably coupled relative to the flash via a pivot structure or slidably coupled relative to the flash via a slide structure.
3. The flash assembly of claim 1, wherein the fingerprint icon is an ink-imprinted pattern or a laser-imprinted pattern, and wherein the fingerprint icon is a grid-like pattern.
4. The flash assembly of claim 1, wherein the array of fingerprint sensing elements is a regularly arranged rectangular array;
hollow-out areas are arranged between adjacent rows of fingerprint sensing elements of the rectangular array at intervals and/or hollow-out areas are arranged between adjacent columns of fingerprint sensing elements of the fingerprint sensing element array at intervals.
5. A camera terminal characterized by comprising a flash assembly according to any one of claims 1 to 4.
6. A control method of a flash assembly, characterized by being implemented based on the flash assembly of any one of claims 1 to 4 or the camera terminal of claim 5;
when the fingerprint sensor includes a light-transmitting area, the control method includes:
when a camera shooting instruction is acquired in a flash lamp mode, detecting whether a cover plate covers a flash lamp;
when the cover plate covers the flash lamp, the cover plate is controlled to move to one side of the flash lamp;
when the cover plate does not shield the flash lamp, the flash lamp is controlled to be lightened.
7. A control system of a flash lamp assembly, characterized by being implemented based on the flash lamp assembly of any one of claims 1 to 4 or the camera terminal of claim 5;
when the fingerprint sensor includes a light transmissive region, the control system includes:
the second detection module is used for detecting whether the cover plate covers the flash lamp or not when the camera shooting instruction is obtained in the flash lamp mode;
the third mobile control module is used for controlling the cover plate to move to one side of the flash lamp when the cover plate covers the flash lamp;
and the second lighting control module is used for controlling the flash lamp to be lighted when the cover plate does not shield the flash lamp.
8. A camera terminal comprising a memory, a processor and a computer program stored in said memory and executable on said processor, characterized in that said processor implements the steps of the method as claimed in claim 6 when executing said computer program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810650871.6A CN108833799B (en) | 2018-06-22 | 2018-06-22 | Flash lamp assembly, control method, control system and camera terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810650871.6A CN108833799B (en) | 2018-06-22 | 2018-06-22 | Flash lamp assembly, control method, control system and camera terminal |
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| Publication Number | Publication Date |
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| CN108833799A CN108833799A (en) | 2018-11-16 |
| CN108833799B true CN108833799B (en) | 2021-01-22 |
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| CN108833799A (en) | 2018-11-16 |
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