HK1008858A1 - Method and device for amplifying - Google Patents

Method and device for amplifying Download PDF

Info

Publication number
HK1008858A1
HK1008858A1 HK98109596A HK98109596A HK1008858A1 HK 1008858 A1 HK1008858 A1 HK 1008858A1 HK 98109596 A HK98109596 A HK 98109596A HK 98109596 A HK98109596 A HK 98109596A HK 1008858 A1 HK1008858 A1 HK 1008858A1
Authority
HK
Hong Kong
Prior art keywords
signal
counter
ramp
value
aid
Prior art date
Application number
HK98109596A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1008858B (en
Inventor
Dupont Antoine
Benoit Eric
Hepp Bernard
Original Assignee
Thomson Multimedia
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 Thomson Multimedia filed Critical Thomson Multimedia
Publication of HK1008858A1 publication Critical patent/HK1008858A1/en
Publication of HK1008858B publication Critical patent/HK1008858B/en

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
    • G09G3/20—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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • 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
    • G09G3/36—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 using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/12—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by switched stationary formation of lamps, photocells or light relays
    • H04N3/127—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by switched stationary formation of lamps, photocells or light relays using liquid crystals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/57—Control of contrast or brightness

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
HK98109596.2A 1992-06-19 1998-07-31 Method and device for amplifying HK1008858B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP92401737 1992-06-19
EP92401737 1992-06-19

Publications (2)

Publication Number Publication Date
HK1008858A1 true HK1008858A1 (en) 1999-05-21
HK1008858B HK1008858B (en) 1999-05-21

Family

ID=

Also Published As

Publication number Publication date
DE69318475D1 (de) 1998-06-18
EP0574891B1 (en) 1998-05-13
KR940006336A (ko) 1994-03-23
DE69318475T2 (de) 1998-09-17
KR100291646B1 (ko) 2001-06-01
US5317401A (en) 1994-05-31
JP3436566B2 (ja) 2003-08-11
CN1081305A (zh) 1994-01-26
JPH06164270A (ja) 1994-06-10
TW236050B (cs) 1994-12-11
CN1042784C (zh) 1999-03-31
ES2118165T3 (es) 1998-09-16
EP0574891A1 (en) 1993-12-22

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Legal Events

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

Effective date: 20120616