AT417454T - Automatic brightness adjustment for screen and keypad of a portable electronic device - Google Patents

Automatic brightness adjustment for screen and keypad of a portable electronic device

Info

Publication number
AT417454T
AT417454T AT07117885T AT07117885T AT417454T AT 417454 T AT417454 T AT 417454T AT 07117885 T AT07117885 T AT 07117885T AT 07117885 T AT07117885 T AT 07117885T AT 417454 T AT417454 T AT 417454T
Authority
AT
Austria
Prior art keywords
keypad
screen
electronic device
portable electronic
brightness adjustment
Prior art date
Application number
AT07117885T
Other languages
German (de)
Inventor
Conrad Aleksander Kreek
Jerry Mailloux
Ahmed Hashi
James Robinson
Ken Wu
Robert Lowles
Andrew Douglas Bockiing
Dale Brubacher-Cressman
Bruce Winter
Original Assignee
Research In Motion 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 Research In Motion Ltd filed Critical Research In Motion Ltd
Priority to EP20050110207 priority Critical patent/EP1780991B1/en
Publication of AT417454T publication Critical patent/AT417454T/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H04M1/02Constructional features of telephone sets
    • H04M1/22Illuminating; Arrangements for improving visibility of characters on dials
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406Control of illumination source
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/14Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2250/00Details of telephonic subscriber devices
    • H04M2250/12Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
AT07117885T 2005-10-31 2005-10-31 Automatic brightness adjustment for screen and keypad of a portable electronic device AT417454T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20050110207 EP1780991B1 (en) 2005-10-31 2005-10-31 Automatic screen and keypad brightness adjustment on a mobile handheld electronic device

Publications (1)

Publication Number Publication Date
AT417454T true AT417454T (en) 2008-12-15

Family

ID=35893248

Family Applications (2)

Application Number Title Priority Date Filing Date
AT07117885T AT417454T (en) 2005-10-31 2005-10-31 Automatic brightness adjustment for screen and keypad of a portable electronic device
AT05110207T AT381848T (en) 2005-10-31 2005-10-31 Automatic setting of the keyboard and screen of a portable electronic device

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT05110207T AT381848T (en) 2005-10-31 2005-10-31 Automatic setting of the keyboard and screen of a portable electronic device

Country Status (6)

Country Link
EP (2) EP1780991B1 (en)
CN (1) CN101346755B (en)
AT (2) AT417454T (en)
CA (1) CA2627149C (en)
DE (2) DE602005003962T2 (en)
WO (1) WO2007051288A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8040233B2 (en) * 2008-06-16 2011-10-18 Qualcomm Incorporated Methods and systems for configuring mobile devices using sensors
CN101765265B (en) * 2008-12-26 2013-07-17 英业达股份有限公司 Keyboard backlight device and control method thereof
US8363015B2 (en) 2009-02-27 2013-01-29 Research In Motion Limited Automatic keypad backlight adjustment on a mobile handheld electronic device
EP2224696B1 (en) * 2009-02-27 2016-11-09 BlackBerry Limited Automatic keypad backlight adjustment on a mobile handheld electronic device
CN102035919B (en) * 2009-09-28 2013-06-05 中兴通讯股份有限公司 Method and device for controlling display brightness
US8502473B2 (en) * 2010-04-26 2013-08-06 Research In Motion Limited System and method for illuminating a component of an electronic device
CN101917511A (en) * 2010-07-19 2010-12-15 中兴通讯股份有限公司 Method for controlling backlight of terminal and terminal
CN102113751A (en) * 2011-01-04 2011-07-06 崔新莉 Flash schoolbag
CN102819223B (en) * 2011-06-07 2015-11-25 联想(北京)有限公司 Control method, control device and electronic equipment
CN102915172B (en) * 2011-08-03 2017-02-08 中兴通讯股份有限公司 Method and device for managing display screen
CN102355536A (en) * 2011-09-26 2012-02-15 惠州Tcl移动通信有限公司 Electricity saving method and system for mobile terminal display screen
DE102012005007A1 (en) 2012-03-13 2012-09-20 Daimler Ag Display device for motor car, has picture screen for displaying image of surface of interior region of vehicle, and optical detection unit formed by cameras that are arranged in environment of screen
KR101925058B1 (en) 2012-04-26 2018-12-04 삼성전자주식회사 The method and apparatus for dispalying function of a button of an ultrasound apparatus on the button
CN103514837B (en) * 2012-06-27 2017-04-12 中兴通讯股份有限公司 Terminal screen backlight control method and apparatus
KR101958870B1 (en) 2012-07-13 2019-07-02 삼성전자 주식회사 Display control method and apparatus for power saving
EP2717474A1 (en) * 2012-10-02 2014-04-09 Thomson Licensing Multiple function arrangement for electronic apparatus and method thereof
KR20150091312A (en) * 2012-11-30 2015-08-10 톰슨 라이센싱 Method and apparatus for displaying content
CN103901618B (en) * 2012-12-28 2017-06-27 联想(北京)有限公司 Electronic equipment and display methods
KR20150003560A (en) 2013-07-01 2015-01-09 삼성전자주식회사 The method and apparatus for changing user interface based on user motion information
CN108281117A (en) * 2013-07-24 2018-07-13 联想(北京)有限公司 A kind of display unit adjusting method and system
CN104217704A (en) * 2014-08-26 2014-12-17 小米科技有限责任公司 Backlight brightness control method and device
CN104539821A (en) * 2014-12-26 2015-04-22 王强 Monitoring method and client end
CN105208191B (en) * 2015-08-13 2019-02-12 小米科技有限责任公司 Mode switching method and device
US10380951B2 (en) 2016-05-31 2019-08-13 Lenovo (Beijing) Co., Ltd. Electronic device for adjusting backlight brightness of input areas and method thereof
CN106097981A (en) * 2016-06-07 2016-11-09 联想(北京)有限公司 A kind of method for controlling backlight thereof and electronic equipment
CN106023885B (en) * 2016-08-12 2019-10-29 深圳市灵星雨科技开发有限公司 A kind of LED display automatic brightness adjustment method
CN106340272A (en) * 2016-08-24 2017-01-18 珠海格力电器股份有限公司 Electronic device and backlight control method and backlight control device thereof
CN106370296B (en) * 2016-08-24 2018-07-17 Tcl移动通信科技(宁波)有限公司 The detection method and system of a kind of mobile terminal optical sensor to ambient light
CN106453965B (en) * 2016-12-05 2019-07-09 Oppo广东移动通信有限公司 The adaptive regulation method and device of terminal backlight
CN106847152A (en) * 2017-01-19 2017-06-13 北京小米移动软件有限公司 Contrast method for improving and device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5617112A (en) * 1993-12-28 1997-04-01 Nec Corporation Display control device for controlling brightness of a display installed in a vehicular cabin
AU1883300A (en) * 1998-12-31 2000-07-24 Nokia Mobile Phones Limited Backlight for a portable device
JP3659472B2 (en) * 1999-06-22 2005-06-15 京セラ株式会社 Backlight control method for information terminal equipment
JP2003125061A (en) * 2001-10-16 2003-04-25 Fujitsu Ltd Portable terminal
US6801811B2 (en) * 2001-12-27 2004-10-05 Hewlett-Packard Development Company, L.P. Software-directed, energy-aware control of display
GB2404773B (en) 2003-08-05 2005-06-08 Research In Motion Ltd Method for automatic backlight adjustment
EP1696414A1 (en) * 2005-02-28 2006-08-30 Research In Motion Limited Backlight control for a portable computing device
US7352930B2 (en) 2005-07-25 2008-04-01 Research In Motion Limited Shared light pipe for a message indicator and light sensor

Also Published As

Publication number Publication date
CN101346755A (en) 2009-01-14
EP1780991A1 (en) 2007-05-02
EP1871081B1 (en) 2008-12-10
CA2627149A1 (en) 2007-05-10
EP1871081A3 (en) 2008-02-20
DE602005003962D1 (en) 2008-01-31
EP1871081B8 (en) 2010-09-08
DE602005003962T2 (en) 2008-12-04
WO2007051288A8 (en) 2007-12-27
DE602005011681D1 (en) 2009-01-22
EP1780991B1 (en) 2007-12-19
CN101346755B (en) 2013-06-05
EP1871081A2 (en) 2007-12-26
WO2007051288A1 (en) 2007-05-10
AT381848T (en) 2008-01-15
CA2627149C (en) 2014-07-22

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties