WO2014124663A1 - Dispositif électronique mobile avec contrôle d'état d'affichage - Google Patents

Dispositif électronique mobile avec contrôle d'état d'affichage Download PDF

Info

Publication number
WO2014124663A1
WO2014124663A1 PCT/EP2013/052817 EP2013052817W WO2014124663A1 WO 2014124663 A1 WO2014124663 A1 WO 2014124663A1 EP 2013052817 W EP2013052817 W EP 2013052817W WO 2014124663 A1 WO2014124663 A1 WO 2014124663A1
Authority
WO
WIPO (PCT)
Prior art keywords
state
display screen
images
mobile electronic
electronic device
Prior art date
Application number
PCT/EP2013/052817
Other languages
English (en)
Inventor
XiaoJiao TAO
Jacob Lerenius
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Priority to PCT/EP2013/052817 priority Critical patent/WO2014124663A1/fr
Priority to CN201811443631.5A priority patent/CN109756673B/zh
Priority to CN201380002651.8A priority patent/CN104115485B/zh
Publication of WO2014124663A1 publication Critical patent/WO2014124663A1/fr

Links

Classifications

    • 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
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3231—Monitoring the presence, absence or movement of users
    • 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
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1686—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated camera
    • 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
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G06F1/1694—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer
    • 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
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215—Monitoring of peripheral devices
    • 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
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device
    • G06F1/3265—Power saving in display device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/63—Control of cameras or camera modules by using electronic viewfinders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/65—Control of camera operation in relation to power supply
    • H04N23/651—Control of camera operation in relation to power supply for reducing power consumption by affecting camera operations, e.g. sleep mode, hibernation mode or power off of selective parts of the camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Definitions

  • the present invention relates to mobile electronic devices that comprise display state controls.
  • Smartphones become more and more popular in the consumer market.
  • the power consumption of the device becomes a very critical factor affecting user experience given very limited battery improvement in terms of capacity density over the years.
  • most smartphones in the market today need to be charged every day or every two days .
  • PMU power management unit
  • PMU power management unit
  • a great deal of efforts has been put into choosing more power efficient hardware components, e.g. certain inductors and designing more power efficient hardware architecture, e.g. power management unit (PMU) , to provide more efficient power supply to the various parts of the hardware system, and intelligent switching on or cutting off power supply to the devices.
  • PMU power management unit
  • Also efforts in designing different levels of power saving modes at software level, e.g. different settings for sleep mode have been developed.
  • the lock mode may be used to prevent inadvertent operation of a touch screen display, e.g., while the device is in a user's pocket or purse or when another object is placed against the device.
  • the lock mode may also be used to prevent an unauthorized person from using the device.
  • the device is programmed to enter the lock mode when a user presses a specific button or a series of buttons or when it has been idle for a certain period of time.
  • the user will typically be required to drag a slide bar, press a specific button or a series of buttons (e.g., to enter a password) to unlock the device.
  • a user may find these steps inconvenient and time consuming. For example, a user may be reading a document using the device when the device detects that it has been idle for a certain period of time. In this case, the device will automatically enter the lock mode where it turns off or dims its display screen, and the user will be required to unlock the device before being able to resume reading the document. In another example, a user may be prone to forgetting the password needed to unlock the device. As a result, the user may decide to configure the device so that it does not automatically lock. If she then forgets or chooses not to manually lock her device, which leaves the device susceptible to inadvertent operation or unauthorized use.
  • a mobile electronic device comprising a processor configured to control the operation of said mobile electronic device, a front-facing display screen coupled to said processor and arranged on a front side of said mobile electronic device, said front-facing display screen having an on- state and an off-state, a movement sensor coupled to said processor, said movement sensor being configured to detect movement of the mobile electronic device, a front- facing camera arranged on the front side of the device, said front-facing camera being coupled to said processor and configured to capture images, said processor being configured to control the on-state and off-state of said display screen based on movement detection of said movement sensor and on one or more images captured by said front-facing camera, said processor configured to analyze the one or more images to determine whether a user's face is present in the one or more images.
  • the processor is configured to place the front-facing display screen in said on-state when it detects the presence of the face of a user in said one or more images and to place said front-facing display screen in an off-state when the presence of a user is not detected in said one or more images.
  • the processor In the presence of a user the processor is configured to place the front-facing display screen in said on-state whereas when the presence of a user is not detected in the images the processor is configured to place the front-facing display screen in an off-state such that no power is consumed by the screen in the off-state when a user is not present.
  • the processor is configured to analyze the one or more pictures using an edge detection image processing algorithm.
  • the processor may be configured to analyze the one or more pictures using a high-pass filter image processing algorithm.
  • the processor is configured to analyze the one or more pictures for the presence of a face.
  • the processor is configured to analyze the one or more pictures using a facial recognition image processing algorithm.
  • the processor may be configured to analyze the one or more pictures when an object is within a distance of less than 0.5 meters from the camera.
  • the control of the off-state of said front-facing display screen may be based on at least two consecutively captured images.
  • the control of the on-state of said front-facing display screen may be based on at least two consecutively captured images.
  • the redundancy of the control may be enhanced by basing the control on at least two consecutive images to avoid isolated misinterpretations of images e.g. on one falsely analyzed image.
  • the control of the off-state of said front-facing display screen comprises an off-state delay time such that when said front-facing display screen is in an on-state and the presence of a user' s face is not detected anymore the off-state of said front-facing display screen is activated after the off-state delay time.
  • the redundancy of the control may be enhanced by introducing a delay time in the control of the on-state and/or off-state such that e.g. when the presence of a user' s face is not detected anymore in the on-state, the off-state of said front- facing display screen is activated after a delay time and vice versa.
  • a delay time may ensure that the state of the display only changes when intended.
  • the camera may be a low resolution camera.
  • the camera may be a low power consumption camera.
  • the camera may be a low cost camera.
  • the mobile device further comprises an additional high resolution camera configured to capture images of high resolution camera dedicated for other purposes than to determine whether a user' s face is present in the one or more images and wherein said front-facing camera is dedicated to determine whether a user' s face is present in the one or more images.
  • the processor is configured to comprise a toggle of the control of the on- state and off-state of said display camera such that the control of the on-state and off-state of said display may be disabled e.g. to enable an always on-state during playback of movies.
  • the display control according to the invention may be toggled on or off. It is also an object of the invention to provide a method for automatically controlling an on-state and off-state of a front-facing display screen of a mobile electronic device having a front-facing camera, comprising the steps of: a) capturing one or more images using the front- facing camera,
  • step b controlling the on-state and off-state of said front-facing display screen based on step b such that the front-facing display screen of a mobile electronic device is in an on-state when the presence of a user is detected in said one or more images and an off-state when the presence of a user is not detected in said one or more images. It is another object of the present invention to provide a method for automatically controlling an on-state and off-state of a front-facing display screen of a mobile electronic device having a front-facing camera and a movement sensor, comprising the steps of:
  • the method may further comprise the step of analyzing the one or more images comprising using an edge detection image processing algorithm.
  • the method may further comprise the step of analyzing the one or more images comprising the use of a facial recognition image processing algorithm.
  • the method may further comprise the step of analyzing the one or more images comprising the use of a facial recognition image processing algorithm.
  • the method may further comprise a step of a user entering a radius of 0.5 meters from the camera.
  • the method may also comprise a step of controlling of the on-state and off-state of said front-facing display screen based on at least two consecutively captured images .
  • the method may also comprise a step of controlling the off-state of said front-facing display screen comprising an off-state delay time such that when said front-facing display screen is in an on-state and the presence of a user' s face is not detected anymore the off-state of said front-facing display screen is activated after the off- state delay time.
  • the method may also comprise a step of acquiring a low resolution image using a high resolution camera configured to capture images of low resolution for determining whether a user' s face is present in the one or more images and configured to capture images of high resolution for other purposes than determining whether a user's face is present in the one or more images.
  • the method may also comprise a step of toggling the control of the on-state and off-state of said display camera such that the control of the on- state and off- state of said display may be disabled e.g. to enable an always on-state during playback of movies.
  • Fig. la is a front view of a mobile electronic device according to an embodiment of the invention.
  • Fig. lb is a front view of a mobile electronic device according to an embodiment of the invention.
  • Fig. 2 is a perspective view of a user holding a mobile electronic device according to an embodiment of the invention
  • Fig. 3 is a block diagram of a mobile device
  • Fig. 4 is a flow chart illustrating a method according to an embodiment of the present invention.
  • Fig. 5 is a flow chart illustrating a method according to an embodiment of the present invention.
  • Fig. 6 is a flow chart illustrating a method according to an embodiment of the present invention. DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
  • Figs, la and lb illustrate a first embodiment of a mobile electronic device 1 according to the invention in the form of a mobile telephone 1.
  • the mobile electronic device 1 comprises a front-facing display screen 2 arranged on a front side 4 of said mobile electronic device 1, and said front-facing display screen 2 having an on-state SI and an off-state S2.
  • Fig la shows the front facing display in the on-state SI whereas Fig. lb shows the front facing display in the off-state S2.
  • Fig. 2 is a perspective view of a user 10 holding a mobile electronic device 1 according to an embodiment of the invention showing the front-facing display screen 2 arranged on a front side 4 of said mobile electronic device 1 facing the user 10 of the mobile electronic device 1. Also shown in Fig. 2 is a front-facing camera arranged on the front side of the device.
  • Fig. 3 illustrates in block diagram form a simplified general architecture of the mobile electronic device 1 constructed in accordance with the present invention.
  • a processor module 5 controls the operation of said mobile electronic device 1.
  • the processor module 5 is configured to control the on-state SI and off-state S2 of the front- facing display screen 2 based on movement detection of a movement sensor 6 and on one or more images captured by said front-facing camera 3.
  • the processor is configured to analyze the images acquired by the front-facing camera 3 to determine whether a user's face is present in the images.
  • the processor module 5 also forms the interface for some of the peripheral units of the device, including a (Flash) ROM memory 8 and a battery 9.
  • the processor module has an integrated RAM 7.
  • the movement sensor 6 may be based on various physical devices such as piezoelectric, piezoresistive and capacitive components, which are commonly used to convert mechanical motion into an electrical signal, but there are no limitations as to how the movement sensor 6 of the device is operated. It is, however, advantageous to utilize a movement sensor having low power consumption.
  • the processor 5 is configured to control the operation of said mobile electronic device 1.
  • the front-facing display screen 2 is coupled to the processor 5 and the front-facing display screen has an on-state SI and an off-state S2.
  • a movement sensor 6 is coupled to the processor, the movement sensor being configured to detect movement of the mobile electronic device.
  • On a front side 4 of the mobile device the front-facing camera 3 is arranged.
  • the front-facing camera is coupled to the processor and configured to capture images.
  • the processor is configured to control the on-state SI and off-state S2 of said display screen 2 based on movement detection of said movement sensor 6 and on one or more images captured by said front-facing camera 3, said processor 5 configured to analyze the one or more images to determine whether a user' s face is present in the one or more images.
  • a face presence detection using the mobile electronic device according to the invention may be carried out by a procedure of continuously measuring movements of the mobile electronic device 1 using the movement sensor.
  • the front-facing camera is activated by the processor to take a photo using the front-facing camera, and thereafter processing the image using a standard edge detection algorithm or a 2D high- pass filter algorithm to get the outline of the image and an outline of the objects in the image. If the algorithm detects the presence of a user in the image e.g. by detecting an egg-shaped curved close loop outline being size-wise bigger than a certain preset threshold, it may be concluded that a human face is presented right in front of the front-facing camera and if not it is concluded that. Otherwise, no face presented in front of the LCD/front-camera.
  • the computational complexity may be kept at an absolute minimum to minimize computational power thereby lowering power consumption of the device.
  • Complex facial recognition algorithms may be used when the power consumption is maybe less critical.
  • the typical facial recognition algorithm normally goes through several phases including edge detections, segmentations, feature extractions, matching etc. and therefore consumes more power than when using simple face presence detection algorithms such as edge detection.
  • a typical front-facing display 2 e.g. LCD or AMOLED, typically comprises six LED' s for backlight of the display, each LED consuming about 10mA.
  • the total power consumption of a display screen 2 may therefore be about 70mA, which is an extremely high amount of consumed power when comparing with other components in such mobile electronic devices 1.
  • Current power-saving solutions in mobile electronic devices is to set e.g. a screen timeout to turn off the display after 15 seconds (or 30 seconds, 1 minute, 2 minutes, 10 minutes) of inactivity.
  • the approach of using a screen timeout period has an inherent problem in the trade-off between good user experience and a good power saving mechanism.
  • the device may save power during the off-state of the display screen, but may at the same time require the user to repeatedly touch the screen to avoid entering the off- state thereby annoying the user e.g. when reading.
  • the battery drains quicker.
  • the handset would know if the user is not in front of the display and can immediately turn off the display thereby saving power while keeping an ultimate user experience intact .
  • the invention also relates to a method for automatically controlling an on-state and off-state of a front-facing display screen of a mobile electronic device having a front-facing camera
  • Fig. 4 is a flow chart illustrating a method according to an embodiment of the present inven ⁇ tion.
  • the method comprises the steps of a) capturing one or more images using the front-facing camera, b) analyz- ing the one or more images to determine whether a user's face is present in the one or more images, and c) con ⁇ trolling the on-state and off-state of said front-facing display screen based on step b such that the front-facing display screen of a mobile electronic device is in an on state when the presence of a user is detected in said one or more images and an off-state when the presence of a user is not detected in said one or more images.
  • the invention also relates to another method for automatically controlling an on-state and off- state of a front-facing display screen of a mobile electronic device having a front-facing camera and a movement sensor, comprising the steps of: detecting movement of the device while the front-facing display screen of a mobile electronic device is in the on-state, and in response to detecting movement of the device, capturing one or more images using the front-facing camera. Then determining that the device moved to an idle position by analyzing the one or more images, wherein the idle position indicates that a user is likely to want to stop using the device, and in response to determining that the device is in the idle position controlling the front-facing display screen of a mobile electronic device to be in the off-state.
  • a software executable may be run by the processor 5 detecting if there is a movement of the handset, ignoring small vibration or a steady state.
  • the detection may be done by using a movement sensor 6 such as an accelerometer .
  • the motion detection may be done by using other methods or sensors than accelerometers .
  • a software executable starts to detect if there is a human head image present in front of the display.
  • the human head image may be taken using the front camera of the handset, which typically takes short time very time and lower power consumption, e.g. 500ms at 10mA.
  • the image processing function may include a simple head image edge- detection.
  • the "egg-shaped outline" is bigger than a certain size threshold, it may be concluded that a human head is present in front of the display, even if the head is not looking at the display.
  • the power consumption of the method may be kept at a minimum. If no head presence is detected, the display will be turned off immediately and if the presence of a head of a user is detected the display screen is kept in the on-state.
  • the invention provides an optimal trade-off between user experience and power saving.
  • the invention also relates to another method for automatically controlling an on-state and off- state of a front-facing display screen of a mobile electronic device having a front-facing camera and a movement sensor, comprising the steps of: detecting movement of the device while the front-facing display screen of a mobile electronic device is in the off-state, and in response to detecting movement of the device, capturing one or more images using the front-facing camera. Then determining that the device moved to a use position by analyzing the one or more images, wherein the use position indicates that a user is likely to want to use the device, and in response to determining that the device is in the use position controlling the front- facing display screen of a mobile electronic device to be in the on-state.
  • Controlling how the screen is turned off in order to save power may be used for intelligent turning on of the display screen using the same types of algorithms e.g. to improve user experience. If the user by merely picking up the phone and looking on the screen automatically activates the screen, the user may avoid activation of the screen by pushing the screen or any button such as conventional mobile devices require.
  • the invention has been described in terms of a mobile phone, it should be appreciated that the invention may also be applied to other types of electronic devices, such as cameras, video recorders, music players, palmtop computers and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Telephone Function (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

L'invention concerne un dispositif électronique mobile apte à contrôler automatiquement l'état d'un écran d'affichage. Le dispositif électronique mobile comprend un processeur configuré pour contrôler le fonctionnement dudit dispositif électronique mobile, un écran d'affichage frontal couplé au dit processeur et placé sur un côté frontal dudit dispositif électronique mobile, ledit écran d'affichage frontal ayant un état activé et un état désactivé, un détecteur de mouvement couplé au dit processeur, ledit détecteur de mouvement étant configuré pour déterminer un mouvement du dispositif électronique mobile, un appareil photo frontal placé sur le côté frontal du dispositif, ledit appareil photo frontal étant couplé au dit processeur et étant configuré pour capturer des images, ledit processeur étant configuré pour contrôler l'état activé et l'état désactivé dudit écran d'affichage sur la base de la détection d'un mouvement par ledit détecteur de mouvement et d'une ou plusieurs images capturées par ledit appareil photo frontal, ledit processeur étant configuré pour analyser la ou les images et déterminer si la visage d'un utilisateur apparaît dans la ou les images.
PCT/EP2013/052817 2013-02-13 2013-02-13 Dispositif électronique mobile avec contrôle d'état d'affichage WO2014124663A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/EP2013/052817 WO2014124663A1 (fr) 2013-02-13 2013-02-13 Dispositif électronique mobile avec contrôle d'état d'affichage
CN201811443631.5A CN109756673B (zh) 2013-02-13 2013-02-13 一种控制显示状态的方法和终端
CN201380002651.8A CN104115485B (zh) 2013-02-13 2013-02-13 具有显示状态控制的移动电子装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2013/052817 WO2014124663A1 (fr) 2013-02-13 2013-02-13 Dispositif électronique mobile avec contrôle d'état d'affichage

Publications (1)

Publication Number Publication Date
WO2014124663A1 true WO2014124663A1 (fr) 2014-08-21

Family

ID=47790155

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/052817 WO2014124663A1 (fr) 2013-02-13 2013-02-13 Dispositif électronique mobile avec contrôle d'état d'affichage

Country Status (2)

Country Link
CN (2) CN104115485B (fr)
WO (1) WO2014124663A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111489652A (zh) * 2020-05-27 2020-08-04 深圳市创意之都投资有限公司 智能楼层索引屏
US10757377B2 (en) 2016-06-01 2020-08-25 Pixart Imaging Inc. Surveillance system and operation method thereof
US20210073541A1 (en) * 2018-05-22 2021-03-11 Vivo Mobile Communication Co., Ltd. Object recognition method and mobile terminal
US11228981B2 (en) 2017-12-06 2022-01-18 Fingerprint Cards Anacatum Ip Ab Method for transitioning a device controller comprised in an electronic device, and an electronic device
EP3910507A4 (fr) * 2019-03-13 2022-01-26 Huawei Technologies Co., Ltd. Procédé et appareil de réveil d'écran
US11416062B2 (en) 2016-01-29 2022-08-16 Huawei Technologies Co., Ltd. Terminal control method and terminal

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104935812B (zh) * 2015-05-29 2017-11-03 广东欧珀移动通信有限公司 一种控制自拍模式开启的方法及装置
CN105763811A (zh) * 2016-03-31 2016-07-13 努比亚技术有限公司 摄像控制装置及方法
TW201743241A (zh) 2016-06-01 2017-12-16 原相科技股份有限公司 可攜式電子裝置及其運作方法
CN118312941A (zh) * 2016-06-15 2024-07-09 原相科技股份有限公司 便携式电子装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09120323A (ja) * 1995-10-25 1997-05-06 Canon Inc 電源制御方法及び装置及び電子機器
JP2003174505A (ja) * 2001-12-05 2003-06-20 Kyocera Corp 携帯端末、及びその消費電力削減方法
US20100079508A1 (en) * 2008-09-30 2010-04-01 Andrew Hodge Electronic devices with gaze detection capabilities
US20110032377A1 (en) * 2009-08-07 2011-02-10 Samsung Electronics Co., Ltd. Digital photographing apparatus, method of controlling the same, and recording medium storing program to execute the method
US20120169594A1 (en) * 2010-12-30 2012-07-05 Motorola-Mobility, Inc. Electronic device and method for backlight control

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1126066C (zh) * 2000-05-31 2003-10-29 成都银晨网讯科技有限公司 面像识别ic卡个人身份识别认证系统及其识别方法
US7379560B2 (en) * 2003-03-05 2008-05-27 Intel Corporation Method and apparatus for monitoring human attention in dynamic power management
JP2007188321A (ja) * 2006-01-13 2007-07-26 Sony Corp 通信装置および通信方法、プログラム、並びに記録媒体
CN101639800A (zh) * 2008-08-01 2010-02-03 华为技术有限公司 一种显示屏显示方法及终端
CN102111490A (zh) * 2009-12-23 2011-06-29 索尼爱立信移动通讯有限公司 移动终端的键盘自动解锁方法及装置
CN102176733A (zh) * 2011-01-28 2011-09-07 宇龙计算机通信科技(深圳)有限公司 一种屏幕背光的控制方法、系统及移动终端
CN102722664A (zh) * 2012-05-21 2012-10-10 北京百纳威尔科技有限公司 一种解锁方法及设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09120323A (ja) * 1995-10-25 1997-05-06 Canon Inc 電源制御方法及び装置及び電子機器
JP2003174505A (ja) * 2001-12-05 2003-06-20 Kyocera Corp 携帯端末、及びその消費電力削減方法
US20100079508A1 (en) * 2008-09-30 2010-04-01 Andrew Hodge Electronic devices with gaze detection capabilities
US20110032377A1 (en) * 2009-08-07 2011-02-10 Samsung Electronics Co., Ltd. Digital photographing apparatus, method of controlling the same, and recording medium storing program to execute the method
US20120169594A1 (en) * 2010-12-30 2012-07-05 Motorola-Mobility, Inc. Electronic device and method for backlight control

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11416062B2 (en) 2016-01-29 2022-08-16 Huawei Technologies Co., Ltd. Terminal control method and terminal
US10757377B2 (en) 2016-06-01 2020-08-25 Pixart Imaging Inc. Surveillance system and operation method thereof
US11228981B2 (en) 2017-12-06 2022-01-18 Fingerprint Cards Anacatum Ip Ab Method for transitioning a device controller comprised in an electronic device, and an electronic device
US20210073541A1 (en) * 2018-05-22 2021-03-11 Vivo Mobile Communication Co., Ltd. Object recognition method and mobile terminal
EP3910507A4 (fr) * 2019-03-13 2022-01-26 Huawei Technologies Co., Ltd. Procédé et appareil de réveil d'écran
CN111489652A (zh) * 2020-05-27 2020-08-04 深圳市创意之都投资有限公司 智能楼层索引屏

Also Published As

Publication number Publication date
CN104115485A (zh) 2014-10-22
CN109756673A (zh) 2019-05-14
CN109756673B (zh) 2022-02-08
CN104115485B (zh) 2018-12-28

Similar Documents

Publication Publication Date Title
WO2014124663A1 (fr) Dispositif électronique mobile avec contrôle d'état d'affichage
US10956736B2 (en) Methods and apparatus for power-efficient iris recognition
KR101660215B1 (ko) 존재 감지
CN106843786B (zh) 显示屏的开启方法、显示屏的开启装置和终端
CN105676984B (zh) 可携式电子装置以及其电源控制方法
US9395793B2 (en) Electronic device and method for resuming from hibernation for the same
US9794456B2 (en) Camera device and method for controlling a camera device
WO2010136853A1 (fr) Aide à la réalisation d'autoportraits dans des dispositifs de capture d'image
US9223415B1 (en) Managing resource usage for task performance
JPH11242733A (ja) 省電力制御装置
CN112650405B (zh) 一种电子设备的交互方法及电子设备
CN103257809A (zh) 移动终端及其屏幕解锁的方法
CN105282409B (zh) 相机装置及相机装置控制方法
JP2011123763A (ja) 電力制御装置、電力制御方法、およびコンピュータが実行可能なプログラム
CN108108683A (zh) 触控响应方法、移动终端及存储介质
US8643771B2 (en) Electronic device and control method for controlling powering-saving state of electronic device
CN105824474A (zh) 一种控制方法、装置及移动设备
KR102128582B1 (ko) 카메라를 가지는 전자 장치 및 이를 운영하는 방법
CN105549376B (zh) 终端闹铃控制方法和装置
CN108090441A (zh) 指纹识别控制方法、移动终端及存储介质
JP5696071B2 (ja) 電子機器、電子機器の制御方法、制御プログラム及び記録媒体
CN114025093A (zh) 拍摄方法、装置、电子设备和可读存储介质
CN104822017A (zh) 拍照控制方法及装置
CN111406427B (zh) 用于转换电子设备中包括的设备控制器的方法和电子设备
CN107360323A (zh) 闹钟提醒方法、装置、存储介质及电子设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13707302

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13707302

Country of ref document: EP

Kind code of ref document: A1