HK34897A - Microcomputer controlled display backlight - Google Patents

Microcomputer controlled display backlight

Info

Publication number
HK34897A
HK34897A HK34897A HK34897A HK34897A HK 34897 A HK34897 A HK 34897A HK 34897 A HK34897 A HK 34897A HK 34897 A HK34897 A HK 34897A HK 34897 A HK34897 A HK 34897A
Authority
HK
Hong Kong
Prior art keywords
display backlight
controlled display
microcomputer controlled
microcomputer
backlight
Prior art date
Application number
HK34897A
Other languages
English (en)
Inventor
Mark Timothy Stair
Leonard Edward Nelson
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of HK34897A publication Critical patent/HK34897A/xx

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source using liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control 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
    • G09G3/34—Control 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
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0613—The adjustment depending on the type of the information to be displayed
    • G09G2320/062—Adjustment of illumination source parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mobile Radio Communication Systems (AREA)
HK34897A 1987-09-25 1997-03-20 Microcomputer controlled display backlight HK34897A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/101,111 US4868563A (en) 1987-09-25 1987-09-25 Microcomputer controlled display backlight
PCT/US1988/002756 WO1989003109A1 (en) 1987-09-25 1988-08-15 Microcomputer controlled display backlight

Publications (1)

Publication Number Publication Date
HK34897A true HK34897A (en) 1997-03-27

Family

ID=22283083

Family Applications (1)

Application Number Title Priority Date Filing Date
HK34897A HK34897A (en) 1987-09-25 1997-03-20 Microcomputer controlled display backlight

Country Status (11)

Country Link
US (1) US4868563A (xx)
EP (1) EP0381684B1 (xx)
JP (1) JPH03501298A (xx)
KR (1) KR960014493B1 (xx)
AR (1) AR243988A1 (xx)
AT (1) ATE112879T1 (xx)
AU (1) AU2385088A (xx)
CA (1) CA1306505C (xx)
DE (1) DE3851841T2 (xx)
HK (1) HK34897A (xx)
WO (1) WO1989003109A1 (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2752665B2 (ja) * 1988-11-09 1998-05-18 日本電気株式会社 表示付携帯無線機
JPH039320A (ja) * 1989-06-06 1991-01-17 Asahi Optical Co Ltd 液晶表示装置
JPH0413179A (ja) * 1990-05-07 1992-01-17 Mitsubishi Electric Corp 表示制御装置
JPH0431891A (ja) * 1990-05-29 1992-02-04 Sanshin Ind Co Ltd 船舶の警告等表示システム
US5166815A (en) * 1991-02-28 1992-11-24 Novatel Communications, Ltd. Liquid crystal display and reflective diffuser therefor including a reflection cavity section and an illumination cavity section
EP0584257B1 (en) * 1991-05-17 2004-08-04 Packard Bell NEC, Inc. Power management capability for a microprocessor having backward compatibility
EP0606231A4 (en) * 1991-09-30 1994-11-17 Motorola Inc COMBINATION OF A LIQUID CRYSTAL DISPLAY CONTROL CIRCUIT WITH A VARACTOR VOLTAGE SUPPLY DEVICE.
GB9125331D0 (en) * 1991-11-28 1992-01-29 Shaye Communications Ltd Illumination of displays
US5493280A (en) * 1992-10-23 1996-02-20 Nec Corporation Radio paging receiver
US5933088A (en) * 1993-01-22 1999-08-03 Uniden America Corporation Pager with message sequencing
US5398022A (en) * 1993-01-22 1995-03-14 Uniden America Corporation Pager with display illumination
JP2518526B2 (ja) * 1993-06-28 1996-07-24 日本電気株式会社 表示付無線選択呼出受信機
US5548832A (en) * 1994-07-28 1996-08-20 Uniden America Corporation Automatic display illumination in a receiver
US5747938A (en) * 1994-10-18 1998-05-05 Norand Corporation Automatic control electroluminescent backlight panel
JP2771499B2 (ja) * 1995-12-19 1998-07-02 静岡日本電気株式会社 表示付き個別選択呼出受信機
SG87024A1 (en) * 1999-03-18 2002-03-19 Motorola Inc Wireless message device for monitoring subscribed options and method thereof
US6459375B1 (en) * 2001-03-23 2002-10-01 Carolyn Wallace Electronic mail sensor
US7808185B2 (en) 2004-10-27 2010-10-05 Motorola, Inc. Backlight current control in portable electronic devices
US8031179B2 (en) * 2006-06-30 2011-10-04 Canon Kabushiki Kaisha Control apparatus for operation panel and electronic apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104627A (en) * 1974-05-03 1978-08-01 Merz & Bentili Nuklear Ag Digitale, an indicating device containing liquid crystals
JPS5887551A (ja) * 1981-11-20 1983-05-25 Nippon Kogaku Kk <Nikon> カメラの表示装置
JPS58138136A (ja) * 1982-02-12 1983-08-16 Nec Corp 表示付個別選択呼出受信機
JPS6069922A (ja) * 1983-09-26 1985-04-20 Nec Corp 表示付無線選択呼出受信機の表示器照明装置
JPS6128235A (ja) * 1984-07-18 1986-02-07 Nec Corp 表示付無線選択呼出受信機
US4754275A (en) * 1985-06-07 1988-06-28 Motorola, Inc. Display with supplemental lighting system

Also Published As

Publication number Publication date
US4868563A (en) 1989-09-19
KR960014493B1 (ko) 1996-10-16
DE3851841D1 (de) 1994-11-17
EP0381684A4 (en) 1991-03-13
EP0381684B1 (en) 1994-10-12
EP0381684A1 (en) 1990-08-16
AR243988A1 (es) 1993-09-30
CA1306505C (en) 1992-08-18
DE3851841T2 (de) 1995-05-11
ATE112879T1 (de) 1994-10-15
WO1989003109A1 (en) 1989-04-06
JPH03501298A (ja) 1991-03-22
AU2385088A (en) 1989-04-18
KR890702174A (ko) 1989-12-23

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)