GB2091482B - Black glass shield and method for absorbing stray light for image intensifiers - Google Patents

Black glass shield and method for absorbing stray light for image intensifiers

Info

Publication number
GB2091482B
GB2091482B GB8128967A GB8128967A GB2091482B GB 2091482 B GB2091482 B GB 2091482B GB 8128967 A GB8128967 A GB 8128967A GB 8128967 A GB8128967 A GB 8128967A GB 2091482 B GB2091482 B GB 2091482B
Authority
GB
United Kingdom
Prior art keywords
stray light
black glass
image intensifiers
glass shield
absorbing stray
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
GB8128967A
Other languages
English (en)
Other versions
GB2091482A (en
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.)
Varo Inc
Original Assignee
Varo 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 Varo Inc filed Critical Varo Inc
Publication of GB2091482A publication Critical patent/GB2091482A/en
Application granted granted Critical
Publication of GB2091482B publication Critical patent/GB2091482B/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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/89—Optical components associated with the vessel
    • H01J2229/8901—Fixing of optical components to the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/89—Optical components associated with the vessel
    • H01J2229/8913—Anti-reflection, anti-glare, viewing angle and contrast improving treatments or devices
GB8128967A 1981-01-15 1981-09-24 Black glass shield and method for absorbing stray light for image intensifiers Expired GB2091482B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22543581A 1981-01-15 1981-01-15

Publications (2)

Publication Number Publication Date
GB2091482A GB2091482A (en) 1982-07-28
GB2091482B true GB2091482B (en) 1985-01-03

Family

ID=22844858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8128967A Expired GB2091482B (en) 1981-01-15 1981-09-24 Black glass shield and method for absorbing stray light for image intensifiers

Country Status (4)

Country Link
DE (1) DE3134269A1 (fr)
FR (1) FR2498007B1 (fr)
GB (1) GB2091482B (fr)
NL (1) NL8103870A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475059A (en) * 1982-06-01 1984-10-02 International Telephone And Telegraph Corporation Image intensifier tube with reduced veiling glare and method of making same
FR2547295B1 (fr) * 1983-06-10 1986-06-06 Thomson Csf Procede de realisation d'une zone absorbante dans une optique en verre
GB2165691A (en) * 1984-07-26 1986-04-16 Dr Jonathon Ross Howorth Image intensifiers
GB2165088B (en) * 1984-09-27 1989-04-19 Int Standard Electric Corp Image intensifier tube
US4724357A (en) * 1984-09-27 1988-02-09 Itt Electro Optical Products A Division Of Itt Corporation Image intensifier tube with reduced veiling glare and method of making same
US6169628B1 (en) * 1996-10-31 2001-01-02 Litton Systems, Inc. Protective window for optical sight
JP3508433B2 (ja) * 1996-11-25 2004-03-22 ソニー株式会社 液冷型陰極線管装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1277901B (de) * 1966-01-06 1968-09-19 Philips Nv Fernsehaufnahmeroehre
GB1407518A (en) * 1973-06-23 1975-09-24 English Electric Valve Co Ltd Camera tubes
US3904065A (en) * 1973-08-08 1975-09-09 Rca Corp Vacuum seal for envelope portions
US3972750A (en) * 1975-04-30 1976-08-03 The United States Of America As Represented By The Secretary Of The Army Electron emitter and method of fabrication
NL7603829A (nl) * 1976-04-12 1977-10-14 Philips Nv Opneembuis met gereduceerde flare.
NL7904754A (nl) * 1979-06-19 1980-12-23 Philips Nv Televisiekamerabuis.

Also Published As

Publication number Publication date
GB2091482A (en) 1982-07-28
DE3134269A1 (de) 1982-08-05
FR2498007B1 (fr) 1985-06-28
NL8103870A (nl) 1982-08-02
FR2498007A1 (fr) 1982-07-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee