CN112799267A - External flash lamp and color correction system of external flash lamp - Google Patents
External flash lamp and color correction system of external flash lamp Download PDFInfo
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- 238000006243 chemical reaction Methods 0.000 description 4
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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
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
Abstract
The application provides an external flash lamp and a color correction system of the external flash lamp. The external flash lamp comprises a light source unit, a driving unit and a control unit. The driving unit is used for driving the light source unit to emit light; the control unit is electrically connected with the driving unit and is electrically connected with the color correction detection equipment; the control unit is used for receiving the light-emitting information of the light source unit detected by the color correction detection equipment, and generating color correction result information after color correction processing is carried out according to the light-emitting information; the driving unit drives the light source unit to emit light according to the color correction result information. The scheme of the application realizes the light-emitting color correction of the light source unit of the external flash lamp.
Description
Technical Field
The application relates to the technical field of flash lamps for shooting, in particular to an external flash lamp and a color correction system of the external flash lamp.
Background
With the development of mobile communication technology, mobile terminals play an increasingly important role in the life and work of people. Especially, some mobile terminal devices with camera function, such as mobile phone, MP4, PDA, notebook computer, etc., the camera function of these mobile terminals brings great fun to people's life. The mobile terminal with the photographing function needs a light source, and needs artificial light to assist photographing except natural light, so that the artificial light source of the mobile terminal with the photographing function cannot meet the actual use requirement, and people often use an external flash lamp to assist photographing.
However, after the LED lamp bead in the external flash lamp is used for a long time, there is a deviation between the chromaticity and the luminous intensity, so that the actual luminous parameters such as the luminance and the chromaticity cannot reach the preset luminous parameters, and the expected light supplement effect cannot be achieved.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
An object of this application is to propose a school of colors check out test set to realize the school of colors to external flash lamp.
In order to solve the technical problem, the following technical scheme is adopted in the application:
according to an aspect of the present application, there is provided an external flash lamp including:
a light source unit;
a driving unit for driving the light source unit to emit light;
the control unit is electrically connected with the driving unit and is electrically connected with the color correction detection equipment; the control unit is used for receiving the light-emitting information of the light source unit detected by the color correction detection equipment, and generating color correction result information after color correction processing is carried out according to the light-emitting information; the driving unit drives the light source unit to emit light according to the color correction result information.
According to an embodiment of the present application, the control unit includes a color correction processing unit and a light emission control unit; the light-emitting control unit is electrically connected with the driving unit so as to control the driving unit to work;
the color correction processing unit is electrically connected with the color correction detection equipment to receive the light-emitting information, generate the color correction result information and send the color correction result information to the driving unit.
According to an embodiment of the present application, the control unit includes a color correction processing unit and a light emission control unit electrically connected; the color correction processing unit is connected with the color correction detection equipment to receive the light-emitting information and generate the color correction result information;
the light-emitting control unit is provided with a burning end which is electrically connected with the color correction processing unit and receives the color correction result information so as to adjust a light-emitting control program in the light-emitting control unit;
the driving unit is electrically connected with the light-emitting control unit so as to drive the light source unit to emit light according to the adjusted light-emitting control program.
According to an embodiment of the present application, the control unit further includes a timing control unit electrically connected to the driving unit to drive the light source unit to emit light at a preset timing;
the time sequence control unit is also electrically connected with the color correction detection equipment, so that when the light source unit emits light in a preset time sequence, the time sequence control unit controls the color correction detection equipment to detect the light emitting information of the light source unit in the preset time sequence.
According to an embodiment of the present application, the control unit has a timing receiving end, and the timing receiving end is configured to receive a timing control signal;
the control unit controls the driving unit to work according to the time sequence control signal, so that the light source unit is controlled to emit light at a preset time sequence.
According to an embodiment of the application, the external flash lamp is further provided with a wireless communication unit, and the wireless communication unit can be in wireless communication with the color correction detection device to receive the light-emitting information detected by the color correction detection device in a wireless transmission mode and transmit the light-emitting information to the control unit.
According to an embodiment of the application, the external flash lamp is further provided with a communication interface, the communication interface is electrically connected with the control unit, and the communication interface is used for being electrically connected with the color correction detection equipment through a connecting wire so as to receive the light emitting information detected by the color correction detection equipment.
According to an embodiment of the present application, the communication interface is a USB interface, and the USB interface is also used as a charging interface.
According to an embodiment of the present application, the color correction detection apparatus further includes a display unit, and the display unit is electrically connected to the control unit to display a color correction control GUI (Graphical User Interface) Interface under the control of the control unit.
The utility model also provides a color correction system of external flash lamp, including external flash lamp and color correction check out test set. The color correction detection equipment is used for acquiring light emitting information of a light source unit of the external flash lamp, and a control unit of the external flash lamp is electrically connected with the color correction detection equipment so as to receive the light emitting information of the light source unit detected by the color correction detection equipment and generate color correction result information after color correction processing is carried out according to the light emitting information; the driving unit drives the light source unit to emit light according to the color correction result information.
According to an embodiment of the application, the color correction detection device further comprises a display unit, and the display unit is used for displaying a color correction control GUI interface.
In the application, the control unit of the external flash lamp can receive the light-emitting information of the light source unit detected by the color correction detection device, and generate color correction result information after performing color correction processing according to the light-emitting information; the driving unit drives the light source unit to emit light according to the color correction result information. Therefore, the scheme of the application realizes color correction of the external flash lamp light source unit.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The above and other objects, features and advantages of the present application will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
Fig. 1 is a block diagram illustrating a circuit configuration of an external flash according to an example embodiment.
Fig. 2 is a block diagram of a circuit configuration of a color correction system of an external flash according to an exemplary embodiment.
The reference numerals are explained below: 10. an external flash lamp; 11. a light source unit; 12. a drive unit; 13. a control unit; 131. a color correction processing unit; 132. a light emission control unit; 20. and (5) a color correction detection device.
Detailed Description
While this application is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail only some specific embodiments thereof with the understanding that the present disclosure is to be considered as an exemplification of the principles of the application and is not intended to limit the application to that as illustrated herein.
Thus, a feature indicated in this specification is intended to describe one of the features of an embodiment of the application and does not imply that every embodiment of the application must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.
In the embodiments shown in the drawings, directional references (such as up, down, left, right, front, and rear) are used to explain the structure and movement of the various elements of the present application not absolutely, but relatively. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indication of these directions changes accordingly.
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present application and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
The preferred embodiments of the present application will be further described in detail below with reference to the accompanying drawings of the present specification.
The method includes the steps that firstly, an external flash lamp is provided for carrying out color correction on the external flash lamp, and the color correction can be realized by matching actual light-emitting parameters of the external flash lamp with set light-emitting parameters; the consistency of the light-emitting parameters of each LED lamp bead in the external flash lamp can be adjusted.
Please refer to fig. 1 and fig. 2. In one embodiment, the external flash 10 includes a light source unit 11, a driving unit 12, and a control unit 13. The light source unit 11 includes one or more LED light sources. The driving unit 12 is used for driving the light source unit 11 to emit light; the control unit 13 is electrically connected with the driving unit 12, and the control unit 13 is electrically connected with the color correction detection device 20; the control unit 13 is configured to receive the light emitting information of the light source unit 11 detected by the color correction detection device 20, and generate color correction result information after performing color correction processing according to the light emitting information; the driving unit 12 drives the light emission of the light source unit 11 according to the color correction result information.
The lighting information here includes one or more kinds of information of luminance, chromaticity, saturation, and the like. The external flash 10 may be used as a whole to collect the brightness, chromaticity, saturation, and other parameters. In another embodiment, the lighting information is that the flash lamp includes a plurality of LED light sources, and each of the LED light sources has one or more of parameters of brightness, chromaticity, saturation, and the like, and one or more of parameters of chromaticity and saturation. That is, in this embodiment, each LED light source is used as a minimum unit to perform emission correction on each LED in a targeted manner, so as to improve the accuracy of emission correction. When in detection, each LED light source can be made to emit light independently, so that the light emitting information of the LED light source can be acquired.
The luminescence information is here collected by a color correction detection device 20, which color correction detection device 20 may comprise a color pick-up unit, a data conversion unit, a filtering unit, etc. The color pickup unit may include various types of photosensors according to an object to be corrected; such as a luminance sensor, a chrominance sensor, a color temperature sensor, etc. The luminescence information collecting unit generally has a collecting window exposed on the surface of the color correction detection device 20. The collection window is disposed facing the light emitting surface of the external flash 10, so that the color pickup unit can receive the light emitted from the external flash 10. Here, the light emitted from the external flash 10 may be picked up a plurality of times. Illustratively, the external flash 10 is operated in a plurality of lighting modes to sample lighting information. The light emission mode here includes a flash mode, a model lamp mode, a normally on mode, and the like. In each mode, the lighting information is picked up at least once. The data conversion unit is used for converting the analog quantity of the sampled luminescence information into corresponding digital quantity. The filtering unit is used for filtering the input or the output of the data conversion unit so as to reduce noise interference.
The color correction detection device 20 may further include a data arrangement unit that performs data arrangement on the collected luminescence information data. The specific data arrangement mode may be determined according to a color correction algorithm, or may be arranged in a one-to-one correspondence according to the position arrangement of the LEDs in the external flash 10. Here, the control unit 13 receives light emission information arrangement data.
In another example, the data arrangement unit may be disposed in the control unit 13, so that the control unit 13 receives the digital quantity of the light emitting information of the light emitted from the light source unit 11 collected by the color correction detection device 20.
In the present application, the control unit 13 of the external flash 10 is capable of receiving the light emitting information of the light source unit 11 detected by the color correction detection device 20, and generating color correction result information after performing color correction processing according to the light emitting information; the driving unit 12 drives the light emission of the light source unit 11 according to the color correction result information. The scheme of the application realizes the color correction of the light source unit 11 of the external flash lamp 10.
In addition, in the scheme of the application, the color correction processing is completed in the external flash lamp 10, and the color correction result information can be quickly transmitted to the driving unit after the color correction is completed, so that the color correction processing speed can be improved. Moreover, since the circuit related to the color correction process does not need to be arranged in the color correction instrument, the miniaturization of the color correction instrument is facilitated, and the color correction instrument is convenient for a user to carry so as to correct the color of the external flash lamp 10 at any time.
The control unit 13 includes a color correction processing unit 131, and a color correction processing algorithm may be stored in the color correction processing unit 131, and the color correction processing algorithm performs logical calculation on the arranged light emitting data, thereby generating color correction result information. The color correction result information may be an adjustment program or a specific light emission correction value.
Illustratively, in one example, the color correction processing unit 131 includes a color correction chip having a correction coefficient matrix therein, and performs calculation processing on the arranged sample data based on the correction coefficient matrix.
Or, the preset parameter value is compared with the sampled emission information arrangement data to correct the driving current of the external flash 10, and the corrected driving current drives the external flash 10 to enable the actual emission parameter of the flash to exactly match the set parameter.
Referring to fig. 1, the control unit 13 further includes a light-emitting control unit 132, and the light-emitting control unit 132 is electrically connected to the driving unit to control the driving unit to operate. In the normal working process of the external supplementary lighting lamp, the light-emitting control unit 132 generates a control signal to control the supplementary lighting lamp.
In an embodiment, during the light emission correction process, the color correction processing unit 131 is electrically connected to the color correction detection device 20 to receive the light emission information and generate color correction result information to be sent to the driving unit 12 to directly correct the light emission of the light source unit 11. The embodiment can be used for the debugging process of color correction.
In another embodiment, the color correction processing unit 131 is electrically connected to the light-emitting control unit 132, and the color correction processing unit 131 is connected to the color correction detection device 20 to receive the light-emitting information and generate color correction result information; the light-emitting control unit 132 has a burning end, the burning end is electrically connected with the color correction processing unit 131, and the burning end receives the color correction result information to adjust the light-emitting control program in the light-emitting control unit 132; the driving unit 12 is electrically connected to the light emission control unit 132 to drive the light source unit 11 to emit light according to the adjusted light emission control program.
It should be understood that the setting of the recording end indicates that a recording module is provided in the color calibration processing unit 131, and the recording module can perform handshake communication with the light-emitting control unit 132 and satisfy the related communication protocol, so as to smoothly perform program writing, adjust the original light-emitting control program, and adjust the driving current for the light source unit 11, thereby fundamentally calibrating the light-emitting effect deviation problem of the external flash 10.
In one embodiment, the external flash 10 further has a wireless communication unit, which is capable of wirelessly communicating with the color calibration detection device 20, receiving the light emission information detected by the color calibration detection device 20 by wireless transmission, and transmitting the light emission information to the control unit 13, specifically, the color calibration processing unit 131.
The wireless communication unit may be built in the external flash lamp 10, or may be externally disposed outside the external flash lamp 10, such as an external USB wireless transmitter. The wireless communication unit can be a Bluetooth module, a WIFI module, a Zig-Bee module, a broadcasting module and the like. It should be understood that a wireless communication module communicatively connected to the wireless communication unit is disposed inside the external flashlight 10.
This embodiment improves the convenience of the communication between the color correction detection device 20 and the external flash 10, and can avoid setting interfaces on the color correction detection device 20 and the external flash 10 through the wireless communication unit. More importantly, the wireless communication unit can allow the distance between the color correction detection device 20 and the external flash lamp 10 to be flexibly adjusted, so that different light-emitting information can be collected based on different distances, and the correction accuracy and the flexibility of correcting the target are improved. Here, the correction target may be set to the correction of the light emission parameters of the external flash 10 at different light emission strokes.
In another embodiment, the external flash 10 further has a communication interface, the communication interface is electrically connected to the control unit 13, and the communication interface is used for electrically connecting to the color calibration detection device 20 through a connection line to receive the light emitting information detected by the color calibration detection device 20.
Here, the communication interface may be one of a USB interface, a TYPE C interface, an RS232 interface, an RS485 interface, and the like. Here, there may be one or more communication interfaces.
In an embodiment, the control unit 13 further includes a timing control unit electrically connected to the driving unit 12 to drive the light source unit 11 to emit light at a predetermined timing; the timing control unit is also electrically connected to the color correction detection device 20 so that when the light source unit 11 emits light at a preset timing, the timing control unit controls the color correction detection device 20 to detect light emission information of the light source unit 11 at a preset timing.
Here, the timing control unit is configured to issue a timing control command, and the timing control command may include a light emitting mode execution sequence, a light emitting frequency, a luminance change timing, a color change timing, and the like of the light source unit 11. The time sequence control unit also controls the color correction detection device 20 to collect the light emitted by the light source unit 11 according to a preset time sequence, so that the collection time sequence and the light emitting time sequence have synchronism, the time sequence information corresponding to the collected light emitting information can be determined, and the correction accuracy is improved. Moreover, the embodiment allows the color correction detection device 20 not to perform data acquisition when the external flash lamp 10 does not emit light, thereby being beneficial to reducing noise interference suffered by the color correction detection device 20 and improving the accuracy of data arrangement; and is beneficial to saving energy.
Further, the color correction detection apparatus 20 is provided to further include a display unit electrically connected to the control unit 13 to display a color correction control GUI interface under the control of the control unit 13. At this time, the external flash 10 controls the whole color correction process. The display unit can be a display screen and also can be a screen projection assembly. Specifically, the control unit 13 may be specifically a color correction control unit 13, which stores color correction application software, and when the color correction application software is run, a color correction control GUI interface may be displayed on the display screen. The color correction control GUI interface is provided with a plurality of controls for users to send out color correction control instructions, set color correction parameters, select color correction modes and the like; a timing control command is generated accordingly in accordance with the color correction control instruction for issuing to control the operations of the light source unit 11 and the color correction detection apparatus 20 synchronously. The color correction control GUI interface may also have a display window to display the color correction process. The embodiment improves the intellectualization of the color correction detection device 20, improves the man-machine interaction capability, and is convenient for a user to correct different parameters of the external flash lamp 10 according to the requirement of the user and to correct the parameters to target parameters meeting the requirement of the user.
In another embodiment, in this embodiment, the timing control command may be sent by the color correction detection device 20 to control the entire color correction process.
In another embodiment, the timing control unit is provided in the color correction detection apparatus 20. At this time, the control unit 13 has a timing receiving end for receiving the timing control signal; the control unit 13 controls the driving unit to operate according to the timing control signal, thereby controlling the light source unit 11 to emit light at a preset timing.
Further, it may be provided that the color correction detection apparatus 20 further includes a display unit for displaying a color correction control GUI interface. Specifically, the color correction detection device 20 stores color correction application software, and when the color correction application software is run, a color correction control GUI interface can be displayed on the display screen. The color correction control GUI interface is provided with a plurality of controls for users to send out color correction control instructions, set color correction parameters, select a color correction mode and the like. The color correction control GUI interface may also have a display window to display the color correction process. The embodiment improves the intellectualization of the color correction detection device 20, improves the man-machine interaction capability, and is convenient for a user to correct different parameters of the external flash lamp 10 according to the requirement of the user and to correct the parameters to target parameters meeting the requirement of the user.
The "units" mentioned in the above embodiments, such as the driving unit 12, the color calibration processing unit 131, the communication unit, the burning unit, the timing control unit, the light-emitting control unit 132, the display unit, and the like, can be constructed by using physical circuits.
The light emission information and the color correction result information only indicate the substantial meaning of the signal. In fact, during the signal transmission process, the signal may have a form change, such as conversion of analog quantity and digital quantity, transmission in the form of a single signal or transmission in the form of a packet, and the like, and is not limited in particular.
Please refer to fig. 2. In another aspect of the present application, a color correction system of the external flash 10 is further proposed, and the color correction system includes the external flash 10 and the color correction detection device 20 in the above embodiments. The color correction detection device 20 and the external flash 10 can transmit data and instructions in a wired or wireless manner. The color correction system realizes light emission correction for the external flash 10.
While the present application has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present application may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (11)
1. An external flash lamp, comprising:
a light source unit;
a driving unit for driving the light source unit to emit light;
the control unit is electrically connected with the driving unit and is electrically connected with the color correction detection equipment; the control unit is used for receiving the light-emitting information of the light source unit detected by the color correction detection equipment, and generating color correction result information after color correction processing is carried out according to the light-emitting information; the driving unit drives the light source unit to emit light according to the color correction result information.
2. The external flash lamp of claim 1, wherein the control unit comprises a color correction processing unit and a light emission control unit; the light-emitting control unit is electrically connected with the driving unit so as to control the driving unit to work;
the color correction processing unit is electrically connected with the color correction detection equipment to receive the light-emitting information, generate the color correction result information and send the color correction result information to the driving unit.
3. The external flashlight of claim 1, wherein the control unit comprises a color correction processing unit and a light emission control unit which are electrically connected; the color correction processing unit is connected with the color correction detection equipment to receive the light-emitting information and generate the color correction result information;
the light-emitting control unit is provided with a burning end which is electrically connected with the color correction processing unit and receives the color correction result information so as to adjust a light-emitting control program in the light-emitting control unit;
the driving unit is electrically connected with the light-emitting control unit so as to drive the light source unit to emit light according to the adjusted light-emitting control program.
4. The external flashlight of claim 1, wherein the control unit further comprises a timing control unit electrically connected to the driving unit to drive the light source unit to emit light at a preset timing;
the time sequence control unit is also electrically connected with the color correction detection equipment, so that when the light source unit emits light in a preset time sequence, the time sequence control unit controls the color correction detection equipment to detect the light emitting information of the light source unit in the preset time sequence.
5. The external flash lamp of claim 1, wherein the control unit has a timing receiving terminal for receiving a timing control signal;
the control unit controls the driving unit to work according to the time sequence control signal, so that the light source unit is controlled to emit light at a preset time sequence.
6. The external flash lamp of claim 1, further comprising a wireless communication unit, wherein the wireless communication unit is configured to wirelessly communicate with the color correction detection device, receive the light emission information detected by the color correction detection device through wireless transmission, and transmit the light emission information to the control unit.
7. The external flash lamp of claim 1, further comprising a communication interface, wherein the communication interface is electrically connected to the control unit, and the communication interface is electrically connected to the color correction detection device through a connection line to receive the light emitting information detected by the color correction detection device.
8. The external flashlight of claim 6, wherein the communication interface is a USB interface, and the USB interface is further used as a charging interface.
9. The external flash lamp according to any one of claims 1 to 8, wherein the color correction detection device further comprises a display unit electrically connected to the control unit for displaying a color correction control GUI (graphical user interface) interface under the control of the control unit.
10. A color correction system of an external flash lamp, which is characterized by comprising the external flash lamp as claimed in any one of claims 1 to 9 and a color correction detection device;
the color correction detection equipment is used for acquiring light emitting information of a light source unit of the external flash lamp, and a control unit of the external flash lamp is electrically connected with the color correction detection equipment so as to receive the light emitting information of the light source unit detected by the color correction detection equipment and generate color correction result information after color correction processing is carried out according to the light emitting information; the driving unit drives the light source unit to emit light according to the color correction result information.
11. The system of claim 10, wherein the device further comprises a display unit for displaying a color correction control GUI interface.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110089000.3A CN112799267A (en) | 2021-01-22 | 2021-01-22 | External flash lamp and color correction system of external flash lamp |
| PCT/CN2021/101593 WO2022156145A1 (en) | 2021-01-22 | 2021-06-22 | External flash, color correction detection device, and color correction system for external flash |
| US18/252,138 US20240012314A1 (en) | 2021-01-22 | 2021-06-22 | External flash, color correction detection device, and color correction system for external flash |
| EP21920526.7A EP4283395A1 (en) | 2021-01-22 | 2021-06-22 | External flash, color correction detection device, and color correction system for external flash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110089000.3A CN112799267A (en) | 2021-01-22 | 2021-01-22 | External flash lamp and color correction system of external flash lamp |
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| Publication Number | Publication Date |
|---|---|
| CN112799267A true CN112799267A (en) | 2021-05-14 |
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|---|---|---|---|
| CN202110089000.3A Pending CN112799267A (en) | 2021-01-22 | 2021-01-22 | External flash lamp and color correction system of external flash lamp |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022156145A1 (en) * | 2021-01-22 | 2022-07-28 | 深圳市影友摄影器材有限公司 | External flash, color correction detection device, and color correction system for external flash |
| WO2022156139A1 (en) * | 2021-01-22 | 2022-07-28 | 深圳市影友摄影器材有限公司 | Color correction detection device, and color correction system having external flash |
| WO2022156142A1 (en) * | 2021-01-22 | 2022-07-28 | 深圳市影友摄影器材有限公司 | Electronic device and color correction system of external flash |
-
2021
- 2021-01-22 CN CN202110089000.3A patent/CN112799267A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022156145A1 (en) * | 2021-01-22 | 2022-07-28 | 深圳市影友摄影器材有限公司 | External flash, color correction detection device, and color correction system for external flash |
| WO2022156139A1 (en) * | 2021-01-22 | 2022-07-28 | 深圳市影友摄影器材有限公司 | Color correction detection device, and color correction system having external flash |
| WO2022156142A1 (en) * | 2021-01-22 | 2022-07-28 | 深圳市影友摄影器材有限公司 | Electronic device and color correction system of external flash |
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