CA1016587A - Display tube with neutral density filtration - Google Patents

Display tube with neutral density filtration

Info

Publication number
CA1016587A
CA1016587A CA218,790A CA218790A CA1016587A CA 1016587 A CA1016587 A CA 1016587A CA 218790 A CA218790 A CA 218790A CA 1016587 A CA1016587 A CA 1016587A
Authority
CA
Canada
Prior art keywords
display tube
neutral density
density filtration
filtration
neutral
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
Application number
CA218,790A
Other languages
English (en)
Other versions
CA218790S (en
Inventor
Ronald C. Robinder
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Application granted granted Critical
Publication of CA1016587A publication Critical patent/CA1016587A/en
Expired 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
    • H01J29/87—Arrangements for preventing or limiting effects of implosion of vessels or containers
    • 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
    • H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
    • H01J29/896—Anti-reflection means, e.g. eliminating glare due to ambient light
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/87—Means for avoiding vessel implosion
    • H01J2229/875—Means substantially covering the output face, e.g. resin layers, protective panels
CA218,790A 1974-03-25 1975-01-28 Display tube with neutral density filtration Expired CA1016587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US454188A US3879627A (en) 1974-03-25 1974-03-25 Display tube with neutral density filtration

Publications (1)

Publication Number Publication Date
CA1016587A true CA1016587A (en) 1977-08-30

Family

ID=23803649

Family Applications (1)

Application Number Title Priority Date Filing Date
CA218,790A Expired CA1016587A (en) 1974-03-25 1975-01-28 Display tube with neutral density filtration

Country Status (5)

Country Link
US (1) US3879627A (cg-RX-API-DMAC7.html)
CA (1) CA1016587A (cg-RX-API-DMAC7.html)
DE (1) DE2512329C2 (cg-RX-API-DMAC7.html)
FR (1) FR2266297B1 (cg-RX-API-DMAC7.html)
IT (1) IT1029682B (cg-RX-API-DMAC7.html)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4185220A (en) * 1977-06-30 1980-01-22 Westinghouse Electric Corp. Cathode ray display tube with contrast enhancement panel
US4177399A (en) * 1978-05-25 1979-12-04 Westinghouse Electric Corp. High contrast cathode ray display tube
US4191725A (en) * 1978-06-28 1980-03-04 Sperry Corporation Method of assembling a contrast enhanced display
US4329620A (en) * 1979-02-23 1982-05-11 Raytheon Company Cathode ray tube with light transparent panel and adhesive therefor
US4245242A (en) * 1979-05-10 1981-01-13 Rockwell International Corporation Contrast enhancement of multicolor displays
US4599535A (en) * 1982-04-02 1986-07-08 Raytheon Company Display tube output assembly and method of manufacture
JPS6028144A (ja) * 1983-07-27 1985-02-13 Hitachi Ltd 画像投写装置
DE3336020A1 (de) * 1983-10-04 1985-04-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Optische darstellungsvorrichtung
US4682075A (en) * 1985-12-19 1987-07-21 Rca Corporation Image display including improved light-absorbing matrix
US4804253A (en) * 1986-05-15 1989-02-14 General Electric Company Lenticular filter for display devices
US4841372A (en) * 1986-08-08 1989-06-20 Zenith Electronics Corporation Cathode ray tube contrast enhancement systems
US4930015A (en) * 1986-08-08 1990-05-29 Zenith Electronics Corporation Flat tension mask cathode ray tube implosion system
DE3629996A1 (de) * 1986-09-03 1988-03-17 Flachglas Ag Vorsatzaggregat fuer die kathodenstrahlroehre von monitoren, fernsehapparaten und dergleichen
DE3643088A1 (de) * 1986-12-17 1988-06-30 Flabeg Gmbh Fernseh-bildroehre mit verbundfrontscheibe
US5072301A (en) * 1990-03-12 1991-12-10 Zenith Electronics Corporation Apparatus and process for implosion protection in cathode ray tubes
US6639346B2 (en) 1997-12-17 2003-10-28 Samsung Display Devices Co., Ltd. CRT panel and a method for manufacturing the same
KR100241605B1 (ko) * 1997-12-17 2000-02-01 손욱 음극선관용 패널과 패널의 제조방법
US6144479A (en) * 1998-12-16 2000-11-07 3M Innovative Properties Company Low reflectivity contrast enhancement filter
US6678016B1 (en) * 1999-12-30 2004-01-13 Sony Corporation Filter for display device and display device
US20020097195A1 (en) * 2001-01-22 2002-07-25 Frank Sidney E. Device for actively displaying images on an article
US20030122730A1 (en) * 2001-12-27 2003-07-03 Frank Sidney E. System for displaying moving images on a container
US8926869B2 (en) * 2007-10-28 2015-01-06 Clover Technologies Group, Llc Method and composition for recoating toner cartridge developing member

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734142A (en) * 1956-02-07 Cathode ray tubes
US2638816A (en) * 1950-11-14 1953-05-19 Milton M Stolzer Apparatus for producing television in color
US3209191A (en) * 1964-08-11 1965-09-28 Douglas Aircraft Co Inc Cathode ray tube screen and ambient light filter

Also Published As

Publication number Publication date
DE2512329A1 (de) 1975-10-09
FR2266297B1 (cg-RX-API-DMAC7.html) 1980-04-04
DE2512329C2 (de) 1983-05-26
FR2266297A1 (cg-RX-API-DMAC7.html) 1975-10-24
IT1029682B (it) 1979-03-20
US3879627A (en) 1975-04-22

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