CN101819898A - 移动手持电子设备上的自动键区背光调节 - Google Patents
移动手持电子设备上的自动键区背光调节 Download PDFInfo
- Publication number
- CN101819898A CN101819898A CN201010120023A CN201010120023A CN101819898A CN 101819898 A CN101819898 A CN 101819898A CN 201010120023 A CN201010120023 A CN 201010120023A CN 201010120023 A CN201010120023 A CN 201010120023A CN 101819898 A CN101819898 A CN 101819898A
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- China
- Prior art keywords
- backlight
- keypad
- threshold value
- sampling
- approximately
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 230000001105 regulatory effect Effects 0.000 title claims description 5
- 238000000034 method Methods 0.000 claims abstract description 29
- 238000005070 sampling Methods 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 13
- 238000005286 illumination Methods 0.000 claims description 7
- 238000002310 reflectometry Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 description 9
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 230000004913 activation Effects 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000015654 memory Effects 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
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- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
- H01H2219/038—Light emitting elements ambient light dependent
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Liquid Crystal Display Device Control (AREA)
- Telephone Function (AREA)
- Input From Keyboards Or The Like (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15609609P | 2009-02-27 | 2009-02-27 | |
US61/156,096 | 2009-02-27 | ||
EP09171872.6A EP2224696B1 (en) | 2009-02-27 | 2009-09-30 | Automatic keypad backlight adjustment on a mobile handheld electronic device |
EP091718726.6 | 2009-09-30 | ||
EP09171872.6 | 2009-09-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101819898A true CN101819898A (zh) | 2010-09-01 |
CN101819898B CN101819898B (zh) | 2013-11-27 |
Family
ID=42139999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010101200238A Active CN101819898B (zh) | 2009-02-27 | 2010-02-23 | 移动手持电子设备上的自动键区背光调节 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2224696B1 (zh) |
CN (1) | CN101819898B (zh) |
CA (1) | CA2692998C (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102012264A (zh) * | 2010-10-08 | 2011-04-13 | 矽创电子股份有限公司 | 可侦测环境光的照度的手持装置 |
CN105679252A (zh) * | 2016-03-01 | 2016-06-15 | 广东欧珀移动通信有限公司 | 快速设置背光亮度的方法及*** |
CN108668058A (zh) * | 2018-04-23 | 2018-10-16 | 常州星宇车灯股份有限公司 | 一种基于图像识别的车内按键操作*** |
CN114999421A (zh) * | 2021-09-30 | 2022-09-02 | 荣耀终端有限公司 | 屏幕亮度调节方法及电子设备 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3559933A1 (en) | 2016-12-22 | 2019-10-30 | Dolby Laboratories Licensing Corporation | Ambient light-adaptive display management |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1811538A (zh) * | 2005-01-27 | 2006-08-02 | 惠普开发有限公司 | 键盘照明***及方法 |
CN1828711A (zh) * | 2005-02-28 | 2006-09-06 | 捷讯研究有限公司 | 针对便携式计算设备的背光控制 |
CN101346755A (zh) * | 2005-10-31 | 2009-01-14 | 捷讯研究有限公司 | 移动手持电子设备上的自动屏幕和键盘亮度调整 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7129930B1 (en) | 2000-04-06 | 2006-10-31 | Micron Technology, Inc. | Cordless computer keyboard with illuminated keys |
GB2366542B (en) | 2000-09-09 | 2004-02-18 | Ibm | Keyboard illumination for computing devices having backlit displays |
US6797902B2 (en) | 2001-06-27 | 2004-09-28 | Sotai Ltd. | Illuminable computer keyboard |
US20060061542A1 (en) | 2004-09-23 | 2006-03-23 | Stokic Dragan Z | Dynamic character display input device |
US7352930B2 (en) | 2005-07-25 | 2008-04-01 | Research In Motion Limited | Shared light pipe for a message indicator and light sensor |
US20070068784A1 (en) | 2005-09-29 | 2007-03-29 | Sellers Charles A | Backlit keyboard |
US7701434B2 (en) | 2005-10-31 | 2010-04-20 | Research In Motion Limited | Automatic screen and keypad brightness adjustment on a mobile handheld electronic device |
-
2009
- 2009-09-30 EP EP09171872.6A patent/EP2224696B1/en active Active
-
2010
- 2010-02-11 CA CA2692998A patent/CA2692998C/en active Active
- 2010-02-23 CN CN2010101200238A patent/CN101819898B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1811538A (zh) * | 2005-01-27 | 2006-08-02 | 惠普开发有限公司 | 键盘照明***及方法 |
CN1828711A (zh) * | 2005-02-28 | 2006-09-06 | 捷讯研究有限公司 | 针对便携式计算设备的背光控制 |
CN101346755A (zh) * | 2005-10-31 | 2009-01-14 | 捷讯研究有限公司 | 移动手持电子设备上的自动屏幕和键盘亮度调整 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102012264A (zh) * | 2010-10-08 | 2011-04-13 | 矽创电子股份有限公司 | 可侦测环境光的照度的手持装置 |
CN105679252A (zh) * | 2016-03-01 | 2016-06-15 | 广东欧珀移动通信有限公司 | 快速设置背光亮度的方法及*** |
CN105679252B (zh) * | 2016-03-01 | 2018-05-18 | 广东欧珀移动通信有限公司 | 快速设置背光亮度的方法及*** |
CN108668058A (zh) * | 2018-04-23 | 2018-10-16 | 常州星宇车灯股份有限公司 | 一种基于图像识别的车内按键操作*** |
CN108668058B (zh) * | 2018-04-23 | 2023-11-24 | 常州星宇车灯股份有限公司 | 一种基于图像识别的车内按键操作*** |
CN114999421A (zh) * | 2021-09-30 | 2022-09-02 | 荣耀终端有限公司 | 屏幕亮度调节方法及电子设备 |
Also Published As
Publication number | Publication date |
---|---|
CA2692998A1 (en) | 2010-08-27 |
EP2224696B1 (en) | 2016-11-09 |
EP2224696A1 (en) | 2010-09-01 |
CA2692998C (en) | 2013-12-24 |
CN101819898B (zh) | 2013-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CI01 | Publication of corrected invention patent application |
Correction item: Priority number Correct: 09171872.6 False: 091718726.6 Number: 35 Volume: 26 |
|
CI02 | Correction of invention patent application |
Correction item: Priority number Correct: O09171872.6 False: O91718726.6 Number: 35 Page: The title page Volume: 26 |
|
ERR | Gazette correction |
Free format text: CORRECT: NUMBER OF PRIORITY; FROM: 091718726.6 TO: 09171872.6 |
|
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Voight, Ontario, Canada Applicant after: BlackBerry Ltd. Address before: Voight, Ontario, Canada Applicant before: Research In Motion Ltd. |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: RESEARCH IN MOTION LTD. TO: BLACKBERRY LTD. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240523 Address after: Ai Erlandubailin Patentee after: Maliki Innovation Co.,Ltd. Country or region after: Ireland Address before: Voight, Ontario, Canada Patentee before: BlackBerry Ltd. Country or region before: Canada |
|
TR01 | Transfer of patent right |