GB2007907B - Cathode ray tube with a concave surface - Google Patents
Cathode ray tube with a concave surfaceInfo
- Publication number
- GB2007907B GB2007907B GB7840993A GB7840993A GB2007907B GB 2007907 B GB2007907 B GB 2007907B GB 7840993 A GB7840993 A GB 7840993A GB 7840993 A GB7840993 A GB 7840993A GB 2007907 B GB2007907 B GB 2007907B
- Authority
- GB
- United Kingdom
- Prior art keywords
- ray tube
- concave surface
- cathode ray
- cathode
- concave
- 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
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
- H01J29/861—Vessels or containers characterised by the form or the structure thereof
-
- 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
- H01J2229/86—Vessels and containers
- H01J2229/8613—Faceplates
- H01J2229/8616—Faceplates characterised by shape
- H01J2229/862—Parameterised shape, e.g. expression, relationship or equation
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12611577A JPS6047696B2 (en) | 1977-10-19 | 1977-10-19 | picture tube |
JP11640678A JPS5543756A (en) | 1978-09-20 | 1978-09-20 | Picture tube |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2007907A GB2007907A (en) | 1979-05-23 |
GB2007907B true GB2007907B (en) | 1982-02-24 |
Family
ID=26454740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7840993A Expired GB2007907B (en) | 1977-10-19 | 1978-10-18 | Cathode ray tube with a concave surface |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA1117176A (en) |
DE (1) | DE2845389A1 (en) |
GB (1) | GB2007907B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS584247A (en) * | 1981-06-08 | 1983-01-11 | Mitsubishi Electric Corp | Projection-type cathode-ray tube |
JPS58154146A (en) * | 1982-03-10 | 1983-09-13 | Sony Corp | Liquid cooling type cathode-ray tube |
JPS59101747A (en) * | 1982-12-01 | 1984-06-12 | Asahi Glass Co Ltd | Face projection type cathode-ray tube |
FR2567658B1 (en) * | 1984-07-12 | 1988-06-10 | Weiss Jean | INFORMATION DISPLAY DEVICE |
DE19840590A1 (en) * | 1998-09-05 | 2000-03-09 | Brigitte Kobilarov | Concave display screen front panel for PCs and TVs forms section of a sphere with center point front of the screen at normal distance for using display for normal size of front panel |
KR100439270B1 (en) * | 2002-05-15 | 2004-07-07 | 엘지.필립스디스플레이(주) | A Funnel Structure of The CRT |
DE10240199A1 (en) * | 2002-08-28 | 2004-03-11 | Baumann, Hans, Dr. | Display screen surface is provided by transparent material with concave shape that provides reflection free effect |
DE102016106655A1 (en) * | 2016-04-12 | 2017-10-12 | B. Braun Avitum Ag | Medical device with monitor device |
-
1978
- 1978-10-18 GB GB7840993A patent/GB2007907B/en not_active Expired
- 1978-10-18 DE DE19782845389 patent/DE2845389A1/en active Pending
- 1978-10-18 CA CA000313695A patent/CA1117176A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1117176A (en) | 1982-01-26 |
DE2845389A1 (en) | 1979-04-26 |
GB2007907A (en) | 1979-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19921018 |