GB559214A - Improvements in television image projection systems and cathode ray tubes for use therein - Google Patents

Improvements in television image projection systems and cathode ray tubes for use therein

Info

Publication number
GB559214A
GB559214A GB10640/42A GB1064042A GB559214A GB 559214 A GB559214 A GB 559214A GB 10640/42 A GB10640/42 A GB 10640/42A GB 1064042 A GB1064042 A GB 1064042A GB 559214 A GB559214 A GB 559214A
Authority
GB
United Kingdom
Prior art keywords
screen
projection systems
cathode ray
image projection
ray tubes
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
GB10640/42A
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph 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 Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB559214A publication Critical patent/GB559214A/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
    • H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
    • H01J29/894—Arrangements combined with the vessel for the purpose of image projection on a screen
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

Abstract

559,214. Optical projection systems. MARCONI'S WIRELESS TELEGRAPH CO., Ltd. July 30, 1942, No. 10640. Convention date, July 31, 1941. [Class 97 (i)] [Also in Group XL] The luminescent screen is mounted on a metal portion 13<SP>1</SP>, Fig. 1, of the envelope and light from the same side of the screen as is struck by the beam passes out through the glass envelope, portion 12'. The light is then reflected from a concave mirror 10 through a plate 11 correcting for spherical aberration, the mirror 10, window 12' and the screen having a common centre at plate 11. The screen may be air- or water-cooled. Specifications 513,739, [Group XL], and 537,738 are referred to.
GB10640/42A 1941-07-31 1942-07-30 Improvements in television image projection systems and cathode ray tubes for use therein Expired GB559214A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US404826A US2305855A (en) 1941-07-31 1941-07-31 Television apparatus

Publications (1)

Publication Number Publication Date
GB559214A true GB559214A (en) 1944-02-09

Family

ID=23601216

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10640/42A Expired GB559214A (en) 1941-07-31 1942-07-30 Improvements in television image projection systems and cathode ray tubes for use therein

Country Status (2)

Country Link
US (1) US2305855A (en)
GB (1) GB559214A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449259A (en) * 1941-07-01 1948-09-14 Hartford Nat Bank & Trust Co Schmidt type optical system with parallel plate refractive element
US2495035A (en) * 1942-05-13 1950-01-17 Rauland Corp Schmidt projector having cathoderay tube comprising spherical mirror
US2440735A (en) * 1943-06-05 1948-05-04 Farnsworth Res Corp Electrooptical device
US2435316A (en) * 1943-11-01 1948-02-03 Farnsworth Res Corp Optical focusing means for image translating devices
US2448476A (en) * 1943-12-03 1948-08-31 Rauland Corp Cathode-ray projector tube
US2482151A (en) * 1944-08-18 1949-09-20 Philips Lab Inc Cathode-ray projection tube
US2459637A (en) * 1944-11-29 1949-01-18 Motorola Inc Cathode-ray image-translating device
US2482566A (en) * 1945-06-16 1949-09-20 Philco Corp Image-projection optical system with cylindrical screen and stop means
US2491072A (en) * 1945-06-19 1949-12-13 Perkin Elmer Corp Schmidt television projector with spherical aberration corrector
US2458132A (en) * 1945-06-19 1949-01-04 Perkin Elmer Corp Schmidt image former with spherical aberration corrector
US2481615A (en) * 1945-06-23 1949-09-13 Philco Corp Image projection optical system with cylindrical screen means
US2585009A (en) * 1945-08-02 1952-02-12 Farnsworth Res Corp Concentric optical system
US2538852A (en) * 1945-12-29 1951-01-23 Rauland Corp Kinescope projection by refractive optical system mounted on tube neck
BE471711A (en) * 1946-03-07
US2566713A (en) * 1947-04-04 1951-09-04 Rca Corp Color television
US2529134A (en) * 1947-10-02 1950-11-07 Rauland Corp Support for electron guns
US2673977A (en) * 1949-01-03 1954-03-30 Rca Corp Schmidt television projector
US3446916A (en) * 1964-07-29 1969-05-27 United Aircraft Corp Collimated viewing system
US4409515A (en) * 1978-02-06 1983-10-11 Kloss Henry E Projection television tube and process for forming same
AU522177B2 (en) * 1978-02-06 1982-05-20 Esplin Kloss Henry Projection tv tube
US4365183A (en) * 1978-02-06 1982-12-21 Kloss Henry E Projection televison tube and process for forming same

Also Published As

Publication number Publication date
US2305855A (en) 1942-12-22

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