KR20010001749A - 무선 단말기의 라이트 밝기 조절 장치 및 방법 - Google Patents

무선 단말기의 라이트 밝기 조절 장치 및 방법 Download PDF

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Publication number
KR20010001749A
KR20010001749A KR1019990021174A KR19990021174A KR20010001749A KR 20010001749 A KR20010001749 A KR 20010001749A KR 1019990021174 A KR1019990021174 A KR 1019990021174A KR 19990021174 A KR19990021174 A KR 19990021174A KR 20010001749 A KR20010001749 A KR 20010001749A
Authority
KR
South Korea
Prior art keywords
light
signal
brightness
light emitting
output
Prior art date
Application number
KR1019990021174A
Other languages
English (en)
Korean (ko)
Inventor
김기범
Original Assignee
윤종용
삼성전자 주식회사
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 윤종용, 삼성전자 주식회사 filed Critical 윤종용
Priority to KR1019990021174A priority Critical patent/KR20010001749A/ko
Priority to US09/590,159 priority patent/US6281640B1/en
Publication of KR20010001749A publication Critical patent/KR20010001749A/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0267—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
    • H04W52/027—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
    • 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
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
KR1019990021174A 1999-06-08 1999-06-08 무선 단말기의 라이트 밝기 조절 장치 및 방법 KR20010001749A (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019990021174A KR20010001749A (ko) 1999-06-08 1999-06-08 무선 단말기의 라이트 밝기 조절 장치 및 방법
US09/590,159 US6281640B1 (en) 1999-06-08 2000-06-08 Device and method for controlling brightness of radio terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019990021174A KR20010001749A (ko) 1999-06-08 1999-06-08 무선 단말기의 라이트 밝기 조절 장치 및 방법

Publications (1)

Publication Number Publication Date
KR20010001749A true KR20010001749A (ko) 2001-01-05

Family

ID=19590808

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019990021174A KR20010001749A (ko) 1999-06-08 1999-06-08 무선 단말기의 라이트 밝기 조절 장치 및 방법

Country Status (2)

Country Link
US (1) US6281640B1 (US06281640-20010828-M00001.png)
KR (1) KR20010001749A (US06281640-20010828-M00001.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170001191A (ko) * 2015-06-26 2017-01-04 웬-성 리 차량용 지능형 조명 장치

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6563479B2 (en) * 2000-12-22 2003-05-13 Visteon Global Technologies, Inc. Variable resolution control system and method for a display device
US6841947B2 (en) * 2002-05-14 2005-01-11 Garmin At, Inc. Systems and methods for controlling brightness of an avionics display
US7507982B2 (en) * 2003-05-15 2009-03-24 Niles Co. Ltd. Rain sensor with ambient light compensation
US7525611B2 (en) * 2006-01-24 2009-04-28 Astronautics Corporation Of America Night vision compatible display backlight
US7557518B2 (en) * 2006-01-24 2009-07-07 Astronautics Corporation Of America Solid-state, color-balanced backlight with wide illumination range
US8259058B2 (en) * 2007-07-12 2012-09-04 Semtech International Ag Method and device for controlling the backlighting of a flat screen
JP5542303B2 (ja) * 2007-12-28 2014-07-09 ソニー株式会社 光源システムおよび表示装置
US8482218B2 (en) * 2010-01-31 2013-07-09 Microsemi Corporation Dimming input suitable for multiple dimming signal types

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09107324A (ja) * 1995-10-09 1997-04-22 Kokusai Electric Co Ltd 携帯装置操作部の制御方法とその回路
JPH1084408A (ja) * 1996-09-06 1998-03-31 Nippon Denki Ido Tsushin Kk 携帯型電子機器
KR19980037323A (ko) * 1996-11-21 1998-08-05 정장호 일정밝기 이상에서는 백라이트되지 않는 휴대용 전화기의 백라이트방법
KR19980057443A (ko) * 1996-12-30 1998-09-25 김광호 휴대용 전화기의 키패트 백라이트 제어회로 및 방법
KR19990009316A (ko) * 1997-07-09 1999-02-05 윤종용 주변환경에 따른 환경 자동설정회로 및 그 방법
KR19990019346A (ko) * 1997-08-29 1999-03-15 윤종용 백라이트 발광다이오드 제어장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358714A (en) * 1980-12-05 1982-11-09 Boeing Vertol Company Light dimming system for grounded-side control of discrete indicator lamps
US4514727A (en) * 1982-06-28 1985-04-30 Trw Inc. Automatic brightness control apparatus
JPS6274741A (ja) * 1985-09-30 1987-04-06 Nissan Motor Co Ltd 車両用照明回路
JPH0212215A (ja) * 1988-06-30 1990-01-17 Seikosha Co Ltd カメラ用距離検出装置
US5339009A (en) * 1991-08-08 1994-08-16 Ford Motor Company Method and apparatus for distinguishing input signals and generating a common dimming signal
US5334914A (en) * 1992-03-23 1994-08-02 Chrysler Corporation Vehicle instrument panel lamps, pulse width dimmer system therefor
US5485201A (en) * 1992-08-28 1996-01-16 Asahi Kogaku Kogyo Kabushiki Kaisha Fill-in light emitting apparatus and still video camera

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09107324A (ja) * 1995-10-09 1997-04-22 Kokusai Electric Co Ltd 携帯装置操作部の制御方法とその回路
JPH1084408A (ja) * 1996-09-06 1998-03-31 Nippon Denki Ido Tsushin Kk 携帯型電子機器
KR19980037323A (ko) * 1996-11-21 1998-08-05 정장호 일정밝기 이상에서는 백라이트되지 않는 휴대용 전화기의 백라이트방법
KR19980057443A (ko) * 1996-12-30 1998-09-25 김광호 휴대용 전화기의 키패트 백라이트 제어회로 및 방법
KR19990009316A (ko) * 1997-07-09 1999-02-05 윤종용 주변환경에 따른 환경 자동설정회로 및 그 방법
KR19990019346A (ko) * 1997-08-29 1999-03-15 윤종용 백라이트 발광다이오드 제어장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170001191A (ko) * 2015-06-26 2017-01-04 웬-성 리 차량용 지능형 조명 장치

Also Published As

Publication number Publication date
US6281640B1 (en) 2001-08-28

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A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application