CA2006281A1 - Afficheur de grandes dimensions a alimentation radiofrequence - Google Patents

Afficheur de grandes dimensions a alimentation radiofrequence

Info

Publication number
CA2006281A1
CA2006281A1 CA2006281A CA2006281A CA2006281A1 CA 2006281 A1 CA2006281 A1 CA 2006281A1 CA 2006281 A CA2006281 A CA 2006281A CA 2006281 A CA2006281 A CA 2006281A CA 2006281 A1 CA2006281 A1 CA 2006281A1
Authority
CA
Canada
Prior art keywords
large scale
radio frequency
scale display
frequency powered
lamps
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.)
Granted
Application number
CA2006281A
Other languages
English (en)
Other versions
CA2006281C (fr
Inventor
Joseph M. Proud
Walter P. Lapatovich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram Sylvania Inc
Original Assignee
GTE Laboratories 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 GTE Laboratories Inc filed Critical GTE Laboratories Inc
Publication of CA2006281A1 publication Critical patent/CA2006281A1/fr
Application granted granted Critical
Publication of CA2006281C publication Critical patent/CA2006281C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/313—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being gas discharge devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
    • H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
CA002006281A 1989-01-03 1989-12-21 Afficheur de grandes dimensions a alimentation radiofrequence Expired - Fee Related CA2006281C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/292,786 1989-01-03
US07/292,786 US5003233A (en) 1989-01-03 1989-01-03 Radio frequency powered large scale display

Publications (2)

Publication Number Publication Date
CA2006281A1 true CA2006281A1 (fr) 1990-07-03
CA2006281C CA2006281C (fr) 1995-06-27

Family

ID=23126190

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002006281A Expired - Fee Related CA2006281C (fr) 1989-01-03 1989-12-21 Afficheur de grandes dimensions a alimentation radiofrequence

Country Status (6)

Country Link
US (1) US5003233A (fr)
EP (1) EP0377442B1 (fr)
JP (1) JPH02275986A (fr)
KR (1) KR900012192A (fr)
CA (1) CA2006281C (fr)
DE (1) DE69003689T2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027041A (en) * 1990-01-16 1991-06-25 Gte Products Corporation Integrated radio-frequency light source for large scale display
US5019750A (en) * 1990-01-16 1991-05-28 Gte Products Corporation Radio-frequency driven display
US5268828A (en) * 1991-04-19 1993-12-07 Takiron Co., Ltd. Illuminant display device
US5644860A (en) * 1995-09-22 1997-07-08 Piper; Timothy M. Illuminated signage
US6980196B1 (en) * 1997-03-18 2005-12-27 Massachusetts Institute Of Technology Printable electronic display
GB2336240A (en) * 1998-04-09 1999-10-13 Jenton International Limited Apparatus for emitting light
US6971196B2 (en) 2002-07-24 2005-12-06 National Signal, Inc. Message sign
DE102007057581A1 (de) 2007-11-28 2009-06-04 Fachhochschule Aachen Hochfrequenzlampe und Verfahren zu deren Betrieb

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906412A (en) * 1971-07-08 1975-09-16 Union Carbide Corp AC Superconducting articles and a method for their manufacture
JPS6057077B2 (ja) * 1979-05-29 1985-12-13 三菱電機株式会社 表示装置
US4266167A (en) * 1979-11-09 1981-05-05 Gte Laboratories Incorporated Compact fluorescent light source and method of excitation thereof
US4350935A (en) * 1980-03-28 1982-09-21 Lutron Electronics Co., Inc. Gas discharge lamp control
US4471350A (en) * 1980-09-12 1984-09-11 Chow Shing C Display device using a discharge lamp
US4368485A (en) * 1981-04-13 1983-01-11 Zenith Radio Corporation Billboard large screen TV
JPS5834560A (ja) * 1981-08-21 1983-03-01 周　成祥 放電灯ディスプレイ装置
US4427921A (en) * 1981-10-01 1984-01-24 Gte Laboratories Inc. Electrodeless ultraviolet light source
US4492898A (en) * 1982-07-26 1985-01-08 Gte Laboratories Incorporated Mercury-free discharge lamp
FR2536563B1 (fr) * 1982-11-23 1985-07-26 Ssih Equipment Sa Element emetteur de lumiere a tube a decharge pour tableau d'affichage matriciel
JPS6023947A (ja) * 1983-07-18 1985-02-06 Matsushita Electric Works Ltd カラー放電灯
KR900008072B1 (ko) * 1986-07-15 1990-10-31 미쓰비시전기 주식회사 표시장치

Also Published As

Publication number Publication date
DE69003689D1 (de) 1993-11-11
EP0377442B1 (fr) 1993-10-06
CA2006281C (fr) 1995-06-27
DE69003689T2 (de) 1994-01-27
KR900012192A (ko) 1990-08-03
JPH02275986A (ja) 1990-11-09
US5003233A (en) 1991-03-26
EP0377442A1 (fr) 1990-07-11

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed