US2195914A - Cathode ray tube - Google Patents

Cathode ray tube Download PDF

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Publication number
US2195914A
US2195914A US192047A US19204738A US2195914A US 2195914 A US2195914 A US 2195914A US 192047 A US192047 A US 192047A US 19204738 A US19204738 A US 19204738A US 2195914 A US2195914 A US 2195914A
Authority
US
United States
Prior art keywords
cathode
tube
cathode ray
ray tube
electrode
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 - Lifetime
Application number
US192047A
Other languages
English (en)
Inventor
Baier Otto
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
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 Standard Elektrik Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of US2195914A publication Critical patent/US2195914A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/36—Tubes with flat electrodes, e.g. disc electrode
    • 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
    • H01J29/485—Construction of the gun or of parts thereof

Definitions

  • this type of support suffers unpress fi hi n in a holding m r l cated der a considerable lack of stability and is, therein he Center Of t electrode system- O y the fore, subjected to changes on heating the tube, ess parts of this system, e pp g 25 or under the influence of mechanical vibrations.
  • a cathode ray tube comprising a cathode, a

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
US192047A 1937-02-22 1938-02-23 Cathode ray tube Expired - Lifetime US2195914A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE494644X 1937-02-22

Publications (1)

Publication Number Publication Date
US2195914A true US2195914A (en) 1940-04-02

Family

ID=6544755

Family Applications (1)

Application Number Title Priority Date Filing Date
US192047A Expired - Lifetime US2195914A (en) 1937-02-22 1938-02-23 Cathode ray tube

Country Status (4)

Country Link
US (1) US2195914A (enrdf_load_stackoverflow)
BE (1) BE426509A (enrdf_load_stackoverflow)
FR (1) FR834085A (enrdf_load_stackoverflow)
GB (1) GB494644A (enrdf_load_stackoverflow)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419757A (en) * 1944-05-31 1947-04-29 Jr Abraham Binneweg Mounted flat element radio tube
US2424790A (en) * 1942-12-01 1947-07-29 Gen Electric Electron microscope
US2451813A (en) * 1943-03-30 1948-10-19 Westinghouse Electric Corp Electron discharge device having an electron beam passage and aligning means therewith for the cathode
US2465370A (en) * 1944-06-26 1949-03-29 Standard Telephones Cables Ltd Ultra high frequency electron discharge device
US2472766A (en) * 1944-12-28 1949-06-07 Cossor Ltd A C Cathode-ray tube
US2509763A (en) * 1947-04-09 1950-05-30 Hartford Nat Bank & Trust Co Electric discharge tube with directional electron beam
US2546976A (en) * 1940-05-02 1951-04-03 Int Standard Electric Corp Electron discharge device and method of assembly
US2570165A (en) * 1949-08-16 1951-10-02 Rca Corp Limited-area cathode
US3317981A (en) * 1963-11-18 1967-05-09 Sylvania Electric Prod Expanding hollow plastic posts on opposite sides of electrode apertures for gripping electrodes
US3484641A (en) * 1963-11-18 1969-12-16 Sylvania Electric Prod Electron gun with expanded insulator posts
US3594601A (en) * 1970-01-28 1971-07-20 Kentucky Electronics Corp Holder and mounting means for ceramic crt cathode ring
US5202615A (en) * 1990-08-30 1993-04-13 Samsung Electron Devices Co., Ltd. Arc suppressing means for cathode ray tube
US20120256097A1 (en) * 2011-04-08 2012-10-11 Varian Semiconductor Equipment Associates, Inc. Indirectly heated cathode cartridge design

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747206C (de) * 1939-10-22 1944-10-02 Fernseh Gmbh Elektrodenanordnung fuer Kathodenstrahlroehren
FR2789802B1 (fr) 1999-02-11 2001-04-20 Thomson Tubes & Displays Structure d'electrode pour canon a electrons

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2546976A (en) * 1940-05-02 1951-04-03 Int Standard Electric Corp Electron discharge device and method of assembly
US2424790A (en) * 1942-12-01 1947-07-29 Gen Electric Electron microscope
US2451813A (en) * 1943-03-30 1948-10-19 Westinghouse Electric Corp Electron discharge device having an electron beam passage and aligning means therewith for the cathode
US2419757A (en) * 1944-05-31 1947-04-29 Jr Abraham Binneweg Mounted flat element radio tube
US2465370A (en) * 1944-06-26 1949-03-29 Standard Telephones Cables Ltd Ultra high frequency electron discharge device
US2472766A (en) * 1944-12-28 1949-06-07 Cossor Ltd A C Cathode-ray tube
US2509763A (en) * 1947-04-09 1950-05-30 Hartford Nat Bank & Trust Co Electric discharge tube with directional electron beam
US2570165A (en) * 1949-08-16 1951-10-02 Rca Corp Limited-area cathode
US3317981A (en) * 1963-11-18 1967-05-09 Sylvania Electric Prod Expanding hollow plastic posts on opposite sides of electrode apertures for gripping electrodes
US3484641A (en) * 1963-11-18 1969-12-16 Sylvania Electric Prod Electron gun with expanded insulator posts
US3594601A (en) * 1970-01-28 1971-07-20 Kentucky Electronics Corp Holder and mounting means for ceramic crt cathode ring
US5202615A (en) * 1990-08-30 1993-04-13 Samsung Electron Devices Co., Ltd. Arc suppressing means for cathode ray tube
US20120256097A1 (en) * 2011-04-08 2012-10-11 Varian Semiconductor Equipment Associates, Inc. Indirectly heated cathode cartridge design
US9076625B2 (en) * 2011-04-08 2015-07-07 Varian Semiconductor Equipment Associates, Inc. Indirectly heated cathode cartridge design

Also Published As

Publication number Publication date
BE426509A (enrdf_load_stackoverflow)
GB494644A (en) 1938-10-28
FR834085A (fr) 1938-11-10

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