FR44992E - Tube à rayons cathodiques, particulièrement pour la télévision - Google Patents

Tube à rayons cathodiques, particulièrement pour la télévision

Info

Publication number
FR44992E
FR44992E FR44992DA FR44992E FR 44992 E FR44992 E FR 44992E FR 44992D A FR44992D A FR 44992DA FR 44992 E FR44992 E FR 44992E
Authority
FR
France
Prior art keywords
television
ray tube
cathode ray
cathode
tube
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
Other languages
English (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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR44992E publication Critical patent/FR44992E/fr
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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/76—Deflecting by magnetic fields only
    • 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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • H01J29/68—Magnetic lenses using permanent magnets only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/22—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of a single substantially straight conductive element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/918—Threadless nut
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core
    • Y10T29/49076—From comminuted material
FR44992D 1933-05-27 1934-07-07 Tube à rayons cathodiques, particulièrement pour la télévision Expired FR44992E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE440560X 1933-05-27
DE2185138X 1933-07-08

Publications (1)

Publication Number Publication Date
FR44992E true FR44992E (fr) 1935-05-01

Family

ID=32070585

Family Applications (2)

Application Number Title Priority Date Filing Date
FR773711D Expired FR773711A (fr) 1933-05-27 1934-05-26 Tube à rayons cathodiques, particulièrement pour la télévision
FR44992D Expired FR44992E (fr) 1933-05-27 1934-07-07 Tube à rayons cathodiques, particulièrement pour la télévision

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR773711D Expired FR773711A (fr) 1933-05-27 1934-05-26 Tube à rayons cathodiques, particulièrement pour la télévision

Country Status (3)

Country Link
US (2) US2188579A (fr)
FR (2) FR773711A (fr)
GB (2) GB440560A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739591C (de) * 1935-09-12 1943-09-30 Fernseh Gmbh Magnetisches Ablenksystem fuer Kathodenstrahlroehren mit U-foermigem, eine Magnetspule tragendem Kern

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USB385358I5 (fr) * 1935-10-31
DE764441C (de) * 1937-04-17 1952-12-15 Telefunken Gmbh Kathodenstrahlroehre, insbesondere fuer Fernsehzwecke, mit mindestens einem magnetischen Ablenkfeld
DE758547C (de) * 1939-02-11 1953-05-26 Telefunken Gmbh Magnetische Elektronenlinse
US2425125A (en) * 1940-07-20 1947-08-05 Hartford Nat Bank & Trust Co Cathode-ray tube with magnetic compensating means
BE472659A (fr) * 1940-08-02
US2442975A (en) * 1943-08-31 1948-06-08 Rca Corp Focusing system
US2431077A (en) * 1943-08-31 1947-11-18 Rca Corp Cathode-ray tube with revolving magnets and adjustable sleeve
US2433682A (en) * 1944-10-31 1947-12-30 Philco Corp Electron focusing apparatus
US2578342A (en) * 1946-03-15 1951-12-11 Bell Telephone Labor Inc Deflection coil assembly
US2456474A (en) * 1946-07-02 1948-12-14 Gen Electric Electric discharge device
FR960166A (fr) * 1947-02-19 1950-04-14
US2544934A (en) * 1947-06-14 1951-03-13 Superior Tube Co Ion trap and method of making it
US2555850A (en) * 1948-01-28 1951-06-05 Nicholas D Glyptis Ion trap
US2575067A (en) * 1948-05-13 1951-11-13 Clarostat Mfg Co Inc Ion trap
BE492805A (fr) * 1948-12-21
US2522872A (en) * 1949-01-10 1950-09-19 Heppner Mfg Company Device for controlling the path of travel of electrons in cathoderay tubes
US2539156A (en) * 1949-01-19 1951-01-23 Tele Tone Radio Corp Ion trap magnet
US2552341A (en) * 1949-02-03 1951-05-08 Clarostat Mfg Co Inc Magnetic structure for use in ion-traps
GB670021A (en) * 1949-02-18 1952-04-09 Patrick Richard James Court Improvements in beam centering devices for cathode ray tubes
US2553039A (en) * 1949-04-26 1951-05-15 Zenith Radio Corp Cathode-ray tube combined beam centering and deflection device
US2544898A (en) * 1949-12-31 1951-03-13 Guardian Electric Mfg Co Centering device for beams of cathode-ray tubes
US2586463A (en) * 1950-07-07 1952-02-19 Rca Corp Electron beam deflection system
US2574039A (en) * 1951-02-17 1951-11-06 All Star Products Inc Magnetic centering device for cathode ray tubes
US2619607A (en) * 1951-03-10 1952-11-25 Glaser Steers Corp Internal focusing device
DE948787C (de) * 1951-06-21 1956-09-06 Max Grundig Elektronenoptische Bandbreitenregelung fuer punktweise wiedergegebene Fernsehbilder
NL170932B (nl) * 1951-07-11 B & J Mfg Co Inrichting voor het omleggen en afnemen van een buitenband van een voertuigwiel, voorzien van een drukluchttoevoerconstructie voor een binnenbandloze band.
US2701321A (en) * 1951-07-16 1955-02-01 Sperry Corp Adjustable magnetic focusing system for beam tubes
US2681421A (en) * 1952-03-04 1954-06-15 Gen Electric Magnetic focusing structure for electron beams
US2664514A (en) * 1952-03-10 1953-12-29 All Star Products Inc Magnetic focusing mechanism
US2724021A (en) * 1952-10-06 1955-11-15 Magnescope Corp Cathode ray tube
US2707248A (en) * 1952-11-26 1955-04-26 Rca Corp Electromagnetic beam-convergence systems for tri-color kinescopes
US2965953A (en) * 1953-02-06 1960-12-27 Baermann Max Method of producing permanent magnets
BE527357A (fr) * 1953-03-18
NL187895B (nl) * 1953-06-17 Feldmuehle Ag Inrichting voor het ontinkten van vezelstofsuspensies.
US2769110A (en) * 1954-01-21 1956-10-30 Rca Corp Electron beam control means
US3053939A (en) * 1954-02-23 1962-09-11 Armour Res Found Electromagnetic transducer head
US2957102A (en) * 1958-10-02 1960-10-18 Hughes Aircraft Co Self-aligning traveling wave tube and method
DE1090777B (de) * 1959-06-11 1960-10-13 Telefunken Gmbh Magnetische Korrekturvorrichtung fuer Elektronenstrahlroehren, insbesondere Wanderfeldroehren
NL278366A (fr) * 1961-05-27
FR1330727A (fr) * 1961-07-13 1963-06-28 Electronique & Physique Perfectionnements aux tubes oscillographes et appareils analogues à rayons électroniques
US3217200A (en) * 1962-01-23 1965-11-09 Gen Electric Internal magnetic lens for electron beams
NL6510584A (fr) * 1965-08-13 1967-02-14
US3694686A (en) * 1970-01-09 1972-09-26 Tokyo Shibaura Electric Co Unidirectional double deflection type cathode ray tube
NL7812540A (nl) * 1978-12-27 1980-07-01 Philips Nv Kathodestraalbuis.
US5442263A (en) * 1994-08-23 1995-08-15 David Sarnoff Research Center, Inc. Dynamic electrostatic and magnetic focusing apparatus for a cathode ray tube
JP2004259507A (ja) * 2003-02-25 2004-09-16 Mitsubishi Electric Corp 陰極線管

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739591C (de) * 1935-09-12 1943-09-30 Fernseh Gmbh Magnetisches Ablenksystem fuer Kathodenstrahlroehren mit U-foermigem, eine Magnetspule tragendem Kern

Also Published As

Publication number Publication date
US2185138A (en) 1939-12-26
FR773711A (fr) 1934-11-24
GB440810A (en) 1936-01-07
GB440560A (en) 1935-12-30
US2188579A (en) 1940-01-30

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