Method for taking photos by using camera and corresponding camera

A camera and equipment technology, applied in the field of pre-flash of camera equipment

A camera and equipment technology, applied in the field of pre-flash of camera equipment

CN102566207BActive Publication Date: 2014-12-17BLACKBERRY LTD
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  • Method for taking photos by using camera and corresponding camera
  • Method for taking photos by using camera and corresponding camera
  • Method for taking photos by using camera and corresponding camera

Examples

Experimental program
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Effect test

Embodiment Construction

[0011] It should be understood that for simplicity and clarity of illustration, where appropriate, reference numerals have been repeated among the different figures to indicate corresponding or analogous elements. In addition, various specific details are set forth in order to provide a thorough understanding of the implementations described herein. However, it will be understood by those skilled in the art that the implementations described herein may be practiced without these specific details. In other instances, methods, procedures, and components have not been described in detail so as not to obscure the related functionality being described. Also, this description should not be read as limiting the scope of the implementations described herein.

[0012] Several definitions used throughout this disclosure will now be introduced. The word "coupled" is defined as connected, whether directly or indirectly through intermediate components, and is not necessarily limited to p...

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Abstract

A mobile device (100) comprising a processor (338), a camera module (360), and a flash (366) configured to generate at least one of a reduced pre-flash, a standard pre-flash and a flash. The processor (338), in response to receiving an image capture request (202), is configured to receive a brightness value (204) and determine a flash status (206) based on a flash setting with the flash status being one of an off mode, on mode, and auto mode. In the event the flash status is one of the on mode and auto mode, determine whether there is sufficient light to capture an image based at least in part on a comparison of the brightness value and a flash threshold (208). In the event the brightness value is greater than the flash threshold, cause the flash to generate a shortened pre-flash (214) and obtain only a white balance measurement and an auto-exposure measurement during the shortened pre-flash.

Description

technical field [0001] The present disclosure generally relates to pre-flashes for camera devices. More specifically, the present disclosure relates to camera devices and methods of using a shortened pre-flash for camera devices having a flash, such as a light emitting diode (LED) flash. Background technique [0002] Cameras are becoming more and more popular and sophisticated. Flashes for camera equipment are advancing. A camera device may include a stand-alone camera, a mobile device with a camera module, or any other device that includes a camera module capable of taking pictures. Mobile devices may include, but are not limited to, cellular phones with camera modules capable of taking pictures, smart phones, wireless personal digital assistants (PDAs), and laptop computers. When a photo is taken with a camera device having a flash, the flash may irritate the eyes of one or more persons in the photo, and may also affect the eyes of one or more persons close to the camer...

Claims

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Application Information

Patent Timeline
17 Dec 2014
Publication
CN102566207B
IPC
G03B15/05; G03B15/03
CPC
G03B7/16; G03B15/05; H04N5/2354; G03B2215/0503; H04N23/74
Inventors
约哈南·克利尔·马诺克·吉尔伯特-沙赫特; 王钱