FR2670981B1 - COMPOSITE FILTER WITH MORE THAN TWO USEFUL SURFACES FOR VISUALIZATION SCREEN. - Google Patents

COMPOSITE FILTER WITH MORE THAN TWO USEFUL SURFACES FOR VISUALIZATION SCREEN.

Info

Publication number
FR2670981B1
FR2670981B1 FR9016382A FR9016382A FR2670981B1 FR 2670981 B1 FR2670981 B1 FR 2670981B1 FR 9016382 A FR9016382 A FR 9016382A FR 9016382 A FR9016382 A FR 9016382A FR 2670981 B1 FR2670981 B1 FR 2670981B1
Authority
FR
France
Prior art keywords
composite filter
visualization screen
useful surfaces
useful
visualization
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.)
Expired - Fee Related
Application number
FR9016382A
Other languages
French (fr)
Other versions
FR2670981A1 (en
Inventor
Clausse Georges
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR9016382A priority Critical patent/FR2670981B1/en
Publication of FR2670981A1 publication Critical patent/FR2670981A1/en
Application granted granted Critical
Publication of FR2670981B1 publication Critical patent/FR2670981B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/867—Means associated with the outside of the vessel for shielding, e.g. magnetic shields
    • H01J29/868—Screens covering the input or output face of the vessel, e.g. transparent anti-static coatings, X-ray absorbing layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/863—Passive shielding means associated with the vessel
    • H01J2229/8633—Meshes and patterns
FR9016382A 1990-12-19 1990-12-19 COMPOSITE FILTER WITH MORE THAN TWO USEFUL SURFACES FOR VISUALIZATION SCREEN. Expired - Fee Related FR2670981B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9016382A FR2670981B1 (en) 1990-12-19 1990-12-19 COMPOSITE FILTER WITH MORE THAN TWO USEFUL SURFACES FOR VISUALIZATION SCREEN.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9016382A FR2670981B1 (en) 1990-12-19 1990-12-19 COMPOSITE FILTER WITH MORE THAN TWO USEFUL SURFACES FOR VISUALIZATION SCREEN.

Publications (2)

Publication Number Publication Date
FR2670981A1 FR2670981A1 (en) 1992-06-26
FR2670981B1 true FR2670981B1 (en) 1993-04-16

Family

ID=9403757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9016382A Expired - Fee Related FR2670981B1 (en) 1990-12-19 1990-12-19 COMPOSITE FILTER WITH MORE THAN TWO USEFUL SURFACES FOR VISUALIZATION SCREEN.

Country Status (1)

Country Link
FR (1) FR2670981B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404181A (en) * 1993-08-25 1995-04-04 Hung; Chin-Lung Monitor filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4246613A (en) * 1979-01-10 1981-01-20 Delta Data Systems Corporation Anti-glare screen with electromagnetic interference rejection
DE3430406A1 (en) * 1983-08-20 1985-03-14 Riken EMC Co., Ltd., Nagoya, Aichi TRANSPARENT PLATE FOR OPTICAL CHARACTER DEVICE
JPH0719551B2 (en) * 1985-04-22 1995-03-06 東レ株式会社 Optical filter with electromagnetic wave shielding property
US4661856A (en) * 1985-08-02 1987-04-28 Sun-Flex Company, Inc. Cathode ray tube glare filter, radiation and static electricity suppression device
WO1989003631A1 (en) * 1987-10-16 1989-04-20 Norad Corporation Crt shield with double coated mesh

Also Published As

Publication number Publication date
FR2670981A1 (en) 1992-06-26

Similar Documents

Publication Publication Date Title
DE69120045D1 (en) Filter container with a double construction
DE3850242T2 (en) Video camera for three-dimensional image acquisition.
DE69117892T2 (en) Reflective screen
DE69328314T2 (en) Filter screen
DE69424011T2 (en) Polarizing projection screen
FI944002A (en) Liquid crystal compounds with a fluoro ether group
DE69122571D1 (en) Translucent screen for a television projection device
ES536487A0 (en) IMPROVEMENTS IN A VIDEO SIGNALS OVERLAY DEVICE
FR2572812B1 (en) VISUALIZATION SYSTEM INCLUDING A TRANSPARENT EMISSITIVE SCREEN
FR2684894B1 (en) GAS FILTER.
DE69105784D1 (en) Image compression.
BR8400865A (en) COLORFUL IMAGE CAPTURE
FR2685500B1 (en) OPTICAL POLARIZATION SEPARATOR AND APPLICATION TO A VISUALIZATION SYSTEM.
DE69222445T2 (en) LC filter
DE69519276D1 (en) DIGITAL VIDEO CAMERA
FR2670981B1 (en) COMPOSITE FILTER WITH MORE THAN TWO USEFUL SURFACES FOR VISUALIZATION SCREEN.
DE59108951D1 (en) Lenticular screen for autostereoscopic image perception
PT78794A (en) TUBE PERFORE POUR ENROULEMENT BY FIL TEXTILE
FR2657701B1 (en) METHOD OF PROJECTION AND VISUALIZATION OF THE IMAGES OF BOTH SIDES OF A SPECIAL SCREEN.
DE69426876D1 (en) FILTER FABRIC
DE69614425D1 (en) Digital filter arrangement
FR2714117B1 (en) Improvements to engine liquid filter housings.
DE69516109D1 (en) DIGITAL IMAGE CODING
DE69115530D1 (en) Image filtering system
DE69028937T2 (en) Arithmetic unit using a digital filter

Legal Events

Date Code Title Description
ST Notification of lapse