IP Library Granted Patent US 12,452,972
Granted Patent B2
US 12,452,972 · App. 18/296,812 · Granted Oct 21, 2025

Color correction device, and color correction system having external flash

Inventor: Weiling Zeng (Guangdong, CN)
Assignee: YINGYOU EQUIPMENT CO., LTD.
H05B45/22G03B15/05G03B2215/0514G03B2215/0567
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Quick Facts
Patent No.
US 12,452,972
App. No.
18/296,812
Granted
Oct 21, 2025
Kind
B2
Abstract

A color correction device comprises a light-emission information collection circuit, a first communication circuit and a color correction processing circuit, wherein the light-emission information collection circuit is used for collecting light-emission information of an external flash; the first communication circuit is used for communicating with a terminal device, so as to receive a color correction control instruction sent by the terminal device; the color correction processing circuit receives the color correction control instruction transmitted by the first communication circuit and then performs color correction processing on the basis of the light-emission information to generate color correction result information; and the color correction result information is used for being transmitted to the external flash so as to correct light-emission of the external flash. The color correction device can be used for color correction of the external flash.

Claims (35)

1. A color correction device, comprising:

a light-emission information collection circuit configured to collect light-emission information of an external flash;

a first communication circuit configured to communicate with a terminal device, so as to receive a color correction control instruction sent by the terminal device;

a second communication circuit configured to send light-emission information of the external flash to the terminal device, wherein the terminal device is configured to process the light-emission information into sorting data of light-emission information; and

a color correction processing circuit electrically connected to the light-emission information collection circuit and the first communication circuit, wherein the first communication circuit is further configured to receive the sorting data of the light-emission information and send the sorting data of the light-emission information to the color correction processing circuit, the color correction processing circuit receives the color correction control instruction transmitted by the first communication circuit and then performs color correction processing on the basis of the light-emission information to generate color correction result information, and the color correction result information is configured to be transmitted to the external flash so as to correct light-emission of the external flash.

2. The color correction device according to claim 1 , wherein at least one of the first communication circuit and the second communication circuit is a wireless communication circuit; and

wherein the wireless communication circuit comprises one or more of a WIFI module, a Bluetooth module, a Zig-Bee module, and an infrared communication module.

3. The color correction device according to claim 1 , wherein at least one of the first communication circuit and/or the second communication circuit comprises a communication interface, wherein the communication interface is one or more of a USB interface, a TYPE C interface, an RS232 interface, and an RS485 interface.

4. The color correction device according to claim 1 , wherein the color correction device further comprises a storage circuit, and the storage circuit is electrically connected to the light-emission information collection circuit, so as to store light-emission information of multiple detections; and

wherein the storage circuit is electrically connected to the second communication circuit for sending the stored light-emission information to the terminal device through the second communication circuit.

5. The color correction device according to claim 1 , wherein the light-emission information collection circuit further comprises a time sequence reception terminal, and the time sequence reception terminal is configured to connect with the terminal device to receive sequence control instruction sent by the terminal device; and

wherein the light-emission information collection circuit collects light-emission information of the external flash according to the sequence control instruction.

6. The color correction device according to claim 1 , wherein the color correction device further comprises a sequence control circuit, and the sequence control circuit is electrically connected to the terminal device, the external flash, and the light-emission information collection circuit; and

wherein the sequence control circuit sends a sequence signal to the external flash and the light-emission information collection circuit according to the color correction control instruction, so that the external flash emits light at a preset sequence and the light-emission information collection circuit correspondingly collects the light-emission information at the preset sequence.

7. The color correction device according to claim 1 , wherein the color correction device further comprises a third communication circuit, and the third communication circuit is configured to communicate with the external flash, so as to transmit the color correction result information to the external flash.

8. The color correction device according to claim 1 , wherein the color correction device further comprises a programming circuit, and the programming circuit is electrically connected to the color correction processing circuit for electrical connection with the external flash, so as to program the color correction result information output by the color correction processing circuit onto a control chip of the external flash.

9. The color correction device according to claim 1 , wherein the color correction device comprises a main body and a light pick-up portion protruding from one side of the main body, and the light-emission information collection circuit is located in the light pick-up portion.

10. The color correction device according to claim 9 , wherein the main body is detachably connected to the light pick-up portion.

11. The color correction device according to claim 9 , wherein the color correction device further comprises a human-computer interaction assembly, and the human-computer interaction assembly is provided on the main body; and

wherein the human-computer interaction assembly is electrically connected to the light-emission information collection circuit and the color correction processing circuit, and the human-computer interaction assembly is used for one or more of receiving a color correction instruction, receiving a color correction setting parameter, and switching color correction modes.

12. The color correction device according to claim 11 , wherein the human-computer interaction assembly comprises one or more of a key reception assembly, a voice input assembly, a touch input assembly, and a gesture control assembly.

13. The color correction device according to claim 9 , wherein the color correction device further comprises a display screen, and the display screen is provided on the main body; and

wherein the display screen is configured to display a color correction control interface, and displayed content of the color correction control interface comprises one or more of color correction start/stop information, color correction parameter setting information, and color correction mode switching information.

14. The color correction device according to claim 1 , wherein the color correction device is a handheld device.

15. A color correction system comprising an external flash, a terminal device and a color correction device, wherein color correction device, comprises:

a light-emission information collection circuit configured to collect light-emission information of the external flash;

a first communication circuit configured to communicate with the terminal device, so as to receive a color correction control instruction sent by the terminal device; and

a color correction processing circuit electrically connected to the light-emission information collection circuit and the first communication circuit, wherein the color correction processing circuit receives the color correction control instruction transmitted by the first communication circuit and then performs color correction processing on the basis of the light-emission information to generate the color correction result information, and the color correction result information is configured to be transmitted to the external flash so as to correct light-emission of the external flash;

wherein the color correction device is configured to detect the light-emission information of the external flash and processing the light-emission information under the control of the terminal device to generate the color correction result information, and wherein the external flash corrects the light-emission according to the color correction result information.

16. The color correction system according to claim 15 , wherein the terminal device is one of a mobile phone, a tablet computer, a notebook computer, or a wearable device.

17. The color correction system according to claim 15 , wherein the color correction device further comprises a second communication circuit, and the second communication circuit is configured to send the light-emission information of the external flash to the terminal device, wherein the terminal device is configured to process the light-emission information into sorting data of light-emission information; and

wherein the first communication circuit is configured to receive the sorting data of the light-emission information and send the sorting data of the light-emission information to the color correction processing circuit.

18. The color correction system according to claim 17 , wherein at least one of the first communication circuit and the second communication circuit is a wireless communication circuit; and

wherein the wireless communication circuit comprises one or more of a WIFI module, a Bluetooth module, a Zig-Bee module, and an infrared communication module.

19. The color correction system according to claim 17 , wherein at least one of the first communication circuit and/or the second communication circuit comprises a communication interface, wherein the communication interface is one or more of a USB interface, a TYPE C interface, an RS232 interface, and an RS485 interface.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 18, 2023
From: ZENG, WEILING
To: YINGYOU EQUIPMENT CO., LTD.
Reel/Frame 064299/0616 →
Priority Claims (2)
CN 202110093820.X · Jan 22, 2021 · national
CN 202120202992.1 · Jan 22, 2021 · national
Continuity (2)
Continuation PCTCN2021101592 · Jun 22, 2021
Related Publication 20230262857A1 · Aug 17, 2023
References Cited (37)
US 9071744B1 · Rahman et al. · 2015 [cited by applicant]
US 9110355B1 · Nourbakhsh · 2015 [cited by examiner]
US 9326348B2 · Roshan · 2016 [cited by examiner]
US 10602585B2 · Wu et al. · 2020 [cited by applicant]
US 20050265014A1 · Matsui et al. · 2005 [cited by applicant]
US 20050281549A1 · Shih · 2005 [cited by examiner]
US 20090190119A1 · Lewin et al. · 2009 [cited by applicant]
US 20100014274A1 · Shyu et al. · 2010 [cited by applicant]
US 20120069240A1 · Osawa · 2012 [cited by examiner]
US 20130207566A1 · Sawada et al. · 2013 [cited by applicant]
US 20130342817A1 · Katahira · 2013 [cited by examiner]
US 20150334258A1 · O'Neill · 2015 [cited by applicant]
US 20160381761A1 · Tseng · 2016 [cited by examiner]
US 20170202075A1 · Zhou · 2017 [cited by examiner]
CN 1446444 · 2003 [cited by applicant]
CN 1912770 · 2007 [cited by applicant]
CN 202998580 · 2013 [cited by applicant]
CN 103369767 · 2013 [cited by applicant]
CN 104601893 · 2015 [cited by applicant]
CN 105096816 · 2015 [cited by applicant]
CN 106911899 · 2017 [cited by applicant]
CN 207198524 · 2018 [cited by applicant]
CN 112037709 · 2020 [cited by applicant]
CN 112764292 · 2021 [cited by applicant]
CN 214704266 · 2021 [cited by applicant]
DE 19842367 · 2004 [cited by applicant]
EP 2391118 · 2011 [cited by applicant]
JP 2000047279 · 2000 [cited by applicant]
JP 2005115059 · 2005 [cited by applicant]
JP 2018107741 · 2018 [cited by applicant]
Title: Controller for camera flash units has memory for storing settings of each flash unit and program memory for storing flash ignition program, Author: Srzentic Robert, p. 1-41 (Original) (Year: 2004). [cited by examiner]
Title: Controller for camera flash units has memory for storing settings of each flash unit and program memory for storing flash ignition program, Author: Srzentic Robert, p. 1-41 (Translation) (Year: 2004). [cited by examiner]
EPO, Extended European Search Report for EP Application No. 21920525.9, Jul. 1, 2024. [cited by applicant]
CNIPA, First Office Action for CN Application No. 202110093820.X, Dec. 27, 2024. [cited by applicant]
WIPO, International Search Report for PCT/CN2021/101592, Oct. 13, 2021. [cited by applicant]
CNIPA, Second Office Action for CN Application No. 202110093820.X, May 31, 2025. [cited by applicant]
CNIPA, Third Office Action for CN Application No. 202110093820.X, Sep. 4, 2025. [cited by applicant]