GB1379016A - Apparatus including a cathode-ray tube having an astigmatic electron gun - Google Patents
Apparatus including a cathode-ray tube having an astigmatic electron gunInfo
- Publication number
- GB1379016A GB1379016A GB2953373A GB2953373A GB1379016A GB 1379016 A GB1379016 A GB 1379016A GB 2953373 A GB2953373 A GB 2953373A GB 2953373 A GB2953373 A GB 2953373A GB 1379016 A GB1379016 A GB 1379016A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aperture
- cathode
- gun
- elongate
- anode
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 2
- 230000001133 acceleration Effects 0.000 abstract 1
- 230000004075 alteration Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D217/00—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
- C07D217/22—Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the nitrogen-containing ring
- C07D217/24—Oxygen atoms
-
- 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16693571A | 1971-07-28 | 1971-07-28 | |
NL7208728A NL7208728A (da) | 1971-07-28 | 1972-06-24 | |
US381074A US3919583A (en) | 1971-07-28 | 1973-07-20 | Electron gun with grid and anode having orthogonal elongated apertures |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1379016A true GB1379016A (en) | 1975-01-02 |
Family
ID=27351780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2953373A Expired GB1379016A (en) | 1971-07-28 | 1973-06-21 | Apparatus including a cathode-ray tube having an astigmatic electron gun |
Country Status (6)
Country | Link |
---|---|
US (2) | US3866081A (da) |
CA (1) | CA973921A (da) |
DE (1) | DE2328791A1 (da) |
FR (1) | FR2189864A1 (da) |
GB (1) | GB1379016A (da) |
NL (1) | NL7208728A (da) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2544293A1 (de) * | 1974-10-04 | 1976-04-08 | Rca Corp | Elektronenstrahlsystem |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3946266A (en) * | 1973-06-11 | 1976-03-23 | Sony Corporation | Electrostatic and dynamic magnetic control of cathode ray for distortion compensation |
NL7400887A (nl) | 1974-01-23 | 1975-07-25 | Philips Nv | Kathodestraalbuis. |
US4143293A (en) * | 1975-01-24 | 1979-03-06 | Matsushita Electronics Corporation | In line electron guns for color tubes, each having a control grid with vertically elliptical aperture |
JPS5351958A (en) * | 1976-10-22 | 1978-05-11 | Hitachi Ltd | Electron gun |
JPS5838679Y2 (ja) * | 1976-11-30 | 1983-09-01 | ソニー株式会社 | テレビジヨン受像機 |
JPS5413249A (en) * | 1977-07-01 | 1979-01-31 | Hitachi Ltd | Cathode ray tube |
DD140516A5 (de) * | 1977-11-24 | 1980-03-05 | Philips Nv | Kathodenstrahlroehre |
NL178374C (nl) * | 1977-11-24 | 1986-03-03 | Philips Nv | Elektronenstraalbuis met niet-rotatiesymmetrische elektronenlens tussen eerste en tweede rooster. |
JPS5490963A (en) * | 1977-12-28 | 1979-07-19 | Toshiba Corp | Index color receiving tube |
JPS54133070A (en) * | 1978-04-07 | 1979-10-16 | Hitachi Ltd | Constituent for electron gun |
US4318027A (en) * | 1978-04-12 | 1982-03-02 | Rca Corporation | High potential, low magnification electron gun |
US4234814A (en) * | 1978-09-25 | 1980-11-18 | Rca Corporation | Electron gun with astigmatic flare-reducing beam forming region |
JPS55154044A (en) * | 1979-05-18 | 1980-12-01 | Hitachi Ltd | Electrode structure of electron gun and its manufacture |
US4251747A (en) * | 1979-11-15 | 1981-02-17 | Gte Products Corporation | One piece astigmatic grid for color picture tube electron gun |
US4318026A (en) * | 1980-04-30 | 1982-03-02 | Rca Corporation | Method of making a grid for a cathode-ray tube electron gun |
US4319163A (en) * | 1980-06-30 | 1982-03-09 | Rca Corporation | Electron gun with deflection-synchronized astigmatic screen grid means |
US4628224A (en) * | 1980-08-04 | 1986-12-09 | North American Philips Consumer Electronics Corp. | Beam shaping CRT electrode |
US4399388A (en) * | 1980-10-16 | 1983-08-16 | Tokyo Shibaura Denki Kabushiki Kaisha | Picture tube with an electron gun having non-circular aperture |
NL8102526A (nl) * | 1981-05-22 | 1982-12-16 | Philips Nv | Kleurenbeeldbuis. |
US4514659A (en) * | 1982-03-04 | 1985-04-30 | Rca Corporation | Inline electron gun for high resolution color display tube |
US4496877A (en) * | 1982-04-06 | 1985-01-29 | Zenith Electronics Corporation | Unipotential electron gun for short cathode ray tubes |
JPS598246A (ja) * | 1982-07-05 | 1984-01-17 | Toshiba Corp | 電子銃 |
US4558253A (en) * | 1983-04-18 | 1985-12-10 | Rca Corporation | Color picture tube having an inline electron gun with asymmetric focusing lens |
NL8301601A (nl) * | 1983-05-06 | 1984-12-03 | Philips Nv | Kathodestraalbuis. |
US4520292A (en) * | 1983-05-06 | 1985-05-28 | Rca Corporation | Cathode-ray tube having an asymmetric slot formed in a screen grid electrode of an inline electron gun |
US4899091A (en) * | 1984-05-29 | 1990-02-06 | Tektronix, Inc. | Cathode-ray-tube astigmatism correction apparatus |
US4608515A (en) * | 1985-04-30 | 1986-08-26 | Rca Corporation | Cathode-ray tube having a screen grid with asymmetric beam focusing means and refraction lens means formed therein |
NL8600463A (nl) * | 1986-02-25 | 1987-09-16 | Philips Nv | Kathodestraalbuis met middelen voor het in verticale richting uitrekken van de spot. |
US4764704A (en) * | 1987-01-14 | 1988-08-16 | Rca Licensing Corporation | Color cathode-ray tube having a three-lens electron gun |
FR2705164B1 (fr) * | 1993-05-10 | 1995-07-13 | Thomson Tubes & Displays | Tube image couleurs à canons à électrons en ligne avec lentilles astigmatiques. |
US6031326A (en) * | 1997-04-01 | 2000-02-29 | Hitachi, Ltd. | Electron gun with electrode supports |
US6369512B1 (en) | 1998-10-05 | 2002-04-09 | Sarnoff Corporation | Dual beam projection tube and electron lens therefor |
DE29823118U1 (de) * | 1998-12-28 | 1999-02-25 | Siemens AG, 80333 München | Röhrenhals für eine Kathodenstrahlröhre |
WO2002049060A2 (en) * | 2000-12-14 | 2002-06-20 | Koninklijke Philips Electronics N.V. | Single beam tracking tube |
US6646669B2 (en) * | 2000-12-14 | 2003-11-11 | Creo Inc. | Multimode multi-track optical recording system |
US11125409B2 (en) | 2019-12-16 | 2021-09-21 | Valeo North America, Inc. | Image tilt correction system of automotive beam pattern |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2103645A (en) * | 1932-12-20 | 1937-12-28 | Schlesinger Kurt | Braun tube |
GB501058A (en) * | 1937-08-21 | 1939-02-21 | Cabot Seaton Bull | Improvements in or relating to cathode ray tubes |
US2840754A (en) * | 1954-09-01 | 1958-06-24 | Rca Corp | Electron beam tube |
NL219031A (da) * | 1956-09-07 | |||
NL6717635A (da) * | 1967-12-22 | 1969-06-24 |
-
1972
- 1972-06-24 NL NL7208728A patent/NL7208728A/xx unknown
-
1973
- 1973-06-06 DE DE2328791A patent/DE2328791A1/de active Pending
- 1973-06-21 US US372402A patent/US3866081A/en not_active Expired - Lifetime
- 1973-06-21 GB GB2953373A patent/GB1379016A/en not_active Expired
- 1973-06-21 CA CA174,680A patent/CA973921A/en not_active Expired
- 1973-06-21 FR FR7322708A patent/FR2189864A1/fr not_active Withdrawn
- 1973-07-20 US US381074A patent/US3919583A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2544293A1 (de) * | 1974-10-04 | 1976-04-08 | Rca Corp | Elektronenstrahlsystem |
Also Published As
Publication number | Publication date |
---|---|
CA973921A (en) | 1975-09-02 |
DE2328791A1 (de) | 1974-01-17 |
NL7208728A (da) | 1973-12-28 |
US3866081A (en) | 1975-02-11 |
USB381074I5 (da) | 1975-01-28 |
US3919583A (en) | 1975-11-11 |
FR2189864A1 (da) | 1974-01-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |