GB587730A - Improvements in or relating to cathode ray tubes - Google Patents

Improvements in or relating to cathode ray tubes

Info

Publication number
GB587730A
GB587730A GB885/45A GB88545A GB587730A GB 587730 A GB587730 A GB 587730A GB 885/45 A GB885/45 A GB 885/45A GB 88545 A GB88545 A GB 88545A GB 587730 A GB587730 A GB 587730A
Authority
GB
United Kingdom
Prior art keywords
ray tubes
cathode
end wall
relating
cathode ray
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
GB885/45A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB587730A publication Critical patent/GB587730A/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
    • H01J29/87—Arrangements for preventing or limiting effects of implosion of vessels or containers

Landscapes

  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

587,730. Cathode-ray tubes. BROADWAY, L. F., and STANLEY, V. A. Jan. 10, 1945, No. 885. [Class 39 (i)] The inner surface of the end wall 2 of a cathode-ray tube is concavely curved and carries the fluorescent screen 3. The outer surface substantially flatter without being curved has a radius of curvature at least 50 per cent greater than that of the inner surface. This construction gives strength and improves picture contrast by causing internal reflections of light in the glass to spread away from their sources. The end wall may be formed separately with an upstanding rim tapered for later sealing to the rest of the envelope 7.
GB885/45A 1945-01-10 1945-01-10 Improvements in or relating to cathode ray tubes Expired GB587730A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB251243X 1945-01-10
GB291145X 1945-11-29

Publications (1)

Publication Number Publication Date
GB587730A true GB587730A (en) 1947-05-05

Family

ID=26257516

Family Applications (1)

Application Number Title Priority Date Filing Date
GB885/45A Expired GB587730A (en) 1945-01-10 1945-01-10 Improvements in or relating to cathode ray tubes

Country Status (4)

Country Link
CH (1) CH251243A (en)
FR (1) FR919727A (en)
GB (1) GB587730A (en)
NL (1) NL69422C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1235455B (en) * 1962-07-05 1967-03-02 Philips Electronic Pharma electron microscope

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1235455B (en) * 1962-07-05 1967-03-02 Philips Electronic Pharma electron microscope

Also Published As

Publication number Publication date
NL69422C (en)
CH251243A (en) 1947-10-15
FR919727A (en) 1947-03-17

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