GB638139A - Improvements in and relating to electron discharge devices - Google Patents

Improvements in and relating to electron discharge devices

Info

Publication number
GB638139A
GB638139A GB24396/46A GB2439646A GB638139A GB 638139 A GB638139 A GB 638139A GB 24396/46 A GB24396/46 A GB 24396/46A GB 2439646 A GB2439646 A GB 2439646A GB 638139 A GB638139 A GB 638139A
Authority
GB
United Kingdom
Prior art keywords
ring
collar
tube
envelope
wire
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
GB24396/46A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB638139A publication Critical patent/GB638139A/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
    • H01J29/867—Means associated with the outside of the vessel for shielding, e.g. magnetic shields
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/65—Holding-devices for protective discs or for picture masks

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Measurement Of Radiation (AREA)
GB24396/46A 1945-06-18 1947-08-16 Improvements in and relating to electron discharge devices Expired GB638139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US600009A US2497660A (en) 1945-06-18 1945-06-18 Leakage minimizing shield for electron discharge devices

Publications (1)

Publication Number Publication Date
GB638139A true GB638139A (en) 1950-05-31

Family

ID=24402005

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24396/46A Expired GB638139A (en) 1945-06-18 1947-08-16 Improvements in and relating to electron discharge devices

Country Status (3)

Country Link
US (1) US2497660A (en:Method)
BE (1) BE476954A (en:Method)
GB (1) GB638139A (en:Method)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2545524A (en) * 1945-08-29 1951-03-20 Rca Corp Schmidt television projection system
US2551790A (en) * 1949-04-01 1951-05-08 Rca Corp Positioning structure for cathode-ray tubes
US2756415A (en) * 1949-06-01 1956-07-24 Rca Corp Schmidt television projector arrangement
US2663011A (en) * 1949-07-06 1953-12-15 Sylvania Electric Prod Cathode-ray tube support
BE500695A (en:Method) * 1950-01-19
US2602114A (en) * 1950-04-10 1952-07-01 Richard A Fisch Insulating ring and protective device for cathode-ray tubes
US2559353A (en) * 1950-07-25 1951-07-03 Richard A Fisch Mounting and protecting device for cathode-ray tubes
US2684477A (en) * 1951-05-21 1954-07-20 Richard A Fisch Mounting and insulating ring for cathode-ray and television tubes
US2907914A (en) * 1954-05-26 1959-10-06 Magnetic Metals Company Electrically energized magnetic shield
BE539760A (en:Method) * 1954-07-12
NL207764A (en:Method) * 1955-06-07
US2951179A (en) * 1956-05-28 1960-08-30 Gen Electric Electron shield for post acceleration cathode ray tube
US2898586A (en) * 1956-06-25 1959-08-04 Sylvania Electric Prod Television apparatus
US3051782A (en) * 1959-07-13 1962-08-28 Nat Video Corp Implosion panel spacing device
US3084217A (en) * 1960-08-18 1963-04-02 Zenith Radio Corp Television receiver with safety plate and mounting means

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2123636A (en) * 1932-02-23 1938-07-12 Firm Fernseh Aktien Ges High-vacuum cathode ray tube
US2119559A (en) * 1935-07-25 1938-06-07 Bell Telephone Labor Inc Electron discharge device
GB506418A (en) * 1936-08-25 1939-05-26 Lorenz C Ag Supporting means for braun tubes
US2343630A (en) * 1942-04-25 1944-03-07 Du Mont Allen B Lab Inc Shield for cathode ray tubes

Also Published As

Publication number Publication date
BE476954A (en:Method)
US2497660A (en) 1950-02-14

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