GB674926A - Improvements in control of electron discharge devices of storage element type - Google Patents

Improvements in control of electron discharge devices of storage element type

Info

Publication number
GB674926A
GB674926A GB6133/48A GB613348A GB674926A GB 674926 A GB674926 A GB 674926A GB 6133/48 A GB6133/48 A GB 6133/48A GB 613348 A GB613348 A GB 613348A GB 674926 A GB674926 A GB 674926A
Authority
GB
United Kingdom
Prior art keywords
grid
leads
control
connections
memory
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
GB6133/48A
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Publication of GB674926A publication Critical patent/GB674926A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/58—Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output
    • H01J31/66—Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output having means for allowing all but selected cross-section elements of a homogeneous electron beam to reach corresponding elements of the screen, e.g. selectron
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/23—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using electrostatic storage on a common layer, e.g. Forrester-Haeff tubes or William tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/38—Control electrodes, e.g. grid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0002—Construction arrangements of electrode systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0015—Non-sealed electrodes
    • H01J2893/0018—Bar or cage-like grids

Abstract

674,926. Cathode-ray tubes. RADIO CORPORATION OF AMERICA. Feb. 27, 1948 [Aug. 30, 1946], No. 6133/48. Class 39 (i). A memory tube as described in Specification 674,925 has the control grid connections modified so that only two grid networks are, required for control of as many as one million memory elements. In one form, Fig. 1, a " group of one " system of connections is used, i.e. each set of grid wires is connected to a single group of leads, for example as shown by the heavy dots. Each pair of leads is thus connected to only one pair of adjacent grid wires, so that individual control over every grid "window" obtains. There are n leads and n(n-1)/2 grid spaces in each network (n is odd). In the other form, Fig. 2, useful for decimal system computers, each set of grid wires is connected to two equal or unequal groups of leads a, b so that a+b leads control a X b grid spaces. In both forms the sets of grid wires may be horizontal and vertical in a flat or cylindrical segment or cylindrical electrode arrangement, or may be concentric helices 17, 23, Fig. 4, wound in opposite directions. The helices 17, 23 are carried in mica supports 19, 21. The target 25 may fluoresce as well as serve for memory storage. The leads are all taken out at one end of glass envelope 27. The Specification as open to inspection under Sect. 91, states that in the Group of one system of connections, n may be even. The memory screen may be replaced by a fluorescent screen. This subject-matter does not appear in the Specification as accepted.
GB6133/48A 1946-08-30 1948-02-27 Improvements in control of electron discharge devices of storage element type Expired GB674926A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US694041A US2519172A (en) 1946-08-30 1946-08-30 Control of electron discharge device of area selection type

Publications (1)

Publication Number Publication Date
GB674926A true GB674926A (en) 1952-07-02

Family

ID=24787169

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6133/48A Expired GB674926A (en) 1946-08-30 1948-02-27 Improvements in control of electron discharge devices of storage element type

Country Status (2)

Country Link
US (1) US2519172A (en)
GB (1) GB674926A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593044A (en) * 1946-04-05 1952-04-15 Philco Corp Grid-controlled electron tube
US2666161A (en) * 1949-12-01 1954-01-12 Rca Corp Bias generating matrix
GB707534A (en) * 1950-02-08 1954-04-21 Canadian Patents Dev Electronic vacuum tube
US2934603A (en) * 1951-07-12 1960-04-26 Nederlanden Staat Electronic relay and the control of arrangements therewith
US2749480A (en) * 1952-11-24 1956-06-05 Ruderfer Martin Apparatus for producing threedimensional visual patterns
US2728873A (en) * 1953-01-13 1955-12-27 Gen Dynamics Corp Cathode ray control apparatus
US2862127A (en) * 1954-05-17 1958-11-25 Nat Union Electric Corp Binary to decimal converter tube
US2920231A (en) * 1956-08-27 1960-01-05 Bell Telephone Labor Inc Electron discharge devices using grid control scanning
US3900764A (en) * 1970-01-27 1975-08-19 Mikiharu Tanji Cathode ray tubes for displaying letters and the like

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2000379A (en) * 1930-07-22 1935-05-07 Thos E Stone Jr Method of and apparatus for the formation of images
US1946223A (en) * 1930-08-16 1934-02-06 Bell Telephone Labor Inc Translating device
US2155471A (en) * 1931-03-19 1939-04-25 Aloysius J Cawley Fog and mist penetrating device
US2122102A (en) * 1935-03-02 1938-06-28 Lundell Torsten Adil Electric signaling system
NL51557C (en) * 1936-02-17
US2172859A (en) * 1936-05-27 1939-09-12 Hazeltine Corp Electron tube circuits

Also Published As

Publication number Publication date
US2519172A (en) 1950-08-15

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