Mobile terminal and exposure method thereof

A mobile terminal, exposure data technology, applied in the field of photography, can solve problems such as uneven exposure and short service life

Inactive Publication Date: 2016-09-21
NUBIA TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the existing technical problems, the embodiment of the present invention provides a mobile terminal and its exposure method to solve the problems of uneven exposure and short service life caused by the mechanical shutter of the mobile terminal using CCD in the prior art

Method used

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  • Mobile terminal and exposure method thereof
  • Mobile terminal and exposure method thereof
  • Mobile terminal and exposure method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] An embodiment of the present invention provides a mobile terminal. Figure 6 It is a schematic diagram of a composition structure of a mobile terminal according to an embodiment of the present invention; Figure 6 As shown, the mobile terminal includes a CCD image sensing unit 41; the light incident side of the CCD image sensing unit 41 is provided with an electronic black card 42; the electronic black card 42 is in a transparent state in a power-down state, so as to Make the light enter the CCD image sensing unit 41 through the electronic black card 42; the electronic black card 42 is in a non-light-transmitting state in the power-on state, so as to block the light entering the CCD image sensing unit 41;

[0085] The mobile terminal also includes: a control unit 43 and a data reading unit 44; wherein,

[0086] The control unit 43 is used to control global exposure when the CCD image sensing unit 41 collects image data; and when the exposure time reaches a preset thresho...

Embodiment 2

[0098] The embodiment of the present invention also provides a mobile terminal. Figure 8 It is a schematic diagram of another composition structure of the mobile terminal according to the embodiment of the present invention; Figure 8 As shown, the mobile terminal includes a CCD image sensing unit 41; the light incident side of the CCD image sensing unit 41 is provided with an electronic black card 42; the electronic black card 42 is in a transparent state in a power-down state, so as to Make the light enter the CCD image sensing unit 41 through the electronic black card 42; the electronic black card 42 is in a non-light-transmitting state in the power-on state, so as to block the light entering the CCD image sensing unit 41;

[0099] The mobile terminal also includes: a control unit 43, a data reading unit 44 and an acquisition unit 45; wherein,

[0100] The control unit 43 is used to control global exposure when the CCD image sensing unit 41 collects image data; and when t...

Embodiment 3

[0111] Based on the mobile terminal described in Embodiment 1, an embodiment of the present invention further provides an exposure method, and the exposure method is applied to a mobile terminal. The mobile terminal includes a charge-coupled device CCD image sensing unit; the light-incident side of the CCD image sensing unit is provided with an electronic black card; the electronic black card is in a transparent state in a power-off state, so that light passes through the The electronic black card enters the CCD image sensing unit; the electronic black card is in a non-light-transmitting state when it is powered on, so as to block the light entering the CCD image sensing unit. Figure 9 It is a schematic flow chart of the exposure method of the embodiment of the present invention; as Figure 9 As shown, the exposure method includes:

[0112] Step 501: When the CCD image sensing unit collects image data, control to perform global exposure.

[0113] Step 502: Detect the exposu...

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Abstract

The embodiment of the invention discloses a mobile terminal and an exposure method thereof. The mobile terminal comprises a CCD (charge coupled device) image sensing unit. A light incoming side of the CCD imaging sensing unit is provided with an electronic black card. The electronic black card is transparent in a power-off state, and is not transparent in a power-on state. The mobile terminal also comprises a control unit and a data reading unit. The control unit is used for controlling the CCD image sensing unit to carry out global exposure when the CCD image sensing unit carries out the collection of image data, and controlling the electronic black card to be electrically connected when the exposure time reaches a preset threshold value. The data reading unit is used for carrying out progressive scanning or interlaced scanning on data when the control unit controls the power-on of the electronic black card. According to the technical scheme of the invention, the mobile terminal can iron out the defects of a mechanical shutter in service life and turn-off delay.

Description

technical field [0001] The invention relates to the technical field of photographing, in particular to a mobile terminal and an exposure method thereof. Background technique [0002] Among the many CCD (Charge-coupled Device, charge-coupled device) image sensors currently used in digital cameras and mobile phones, many of them use ITCCD (Interline Transfer Charge-coupled Device, interline transfer charge-coupled device) image sensors. There are two types of ITCCD, one is progressive scan ITCCD (Progressive Scan ITCCD), and the other is interlaced ITCCD (Interlace Scan ITCCD). Currently, progressive scan ITCCDs are basically used in SLR cameras and ordinary cameras; for this kind of interlaced ITCCDs, a mechanical shutter must be used for correct exposure. The exposure process of the interlaced ITCCD can be as follows Figure 1a to Figure 1e shown. In order to avoid streaks during the transfer process of data odd and even lines after the ITCCD performs global exposure, it i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/235H04N5/238H04N5/353
CPCH04N23/75H04N23/73H04N25/53H04N23/70
Inventor 谢书勋
Owner NUBIA TECHNOLOGY CO LTD
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