FR1141385A - Improvements in electrostatic information storage and retrieval processes - Google Patents

Improvements in electrostatic information storage and retrieval processes

Info

Publication number
FR1141385A
FR1141385A FR1141385DA FR1141385A FR 1141385 A FR1141385 A FR 1141385A FR 1141385D A FR1141385D A FR 1141385DA FR 1141385 A FR1141385 A FR 1141385A
Authority
FR
France
Prior art keywords
information storage
electrostatic information
retrieval processes
retrieval
processes
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
French (fr)
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1141385A publication Critical patent/FR1141385A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • 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
    • 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
    • H01J31/60—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 deflecting, either selectively or sequentially, an electron ray on to separate surface elements of the screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Measurement Of Radiation (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
FR1141385D 1954-04-09 1955-04-08 Improvements in electrostatic information storage and retrieval processes Expired FR1141385A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US422056A US2835845A (en) 1954-04-09 1954-04-09 Electro-static methods of storing and recovering information

Publications (1)

Publication Number Publication Date
FR1141385A true FR1141385A (en) 1957-09-02

Family

ID=23673205

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1141385D Expired FR1141385A (en) 1954-04-09 1955-04-08 Improvements in electrostatic information storage and retrieval processes

Country Status (5)

Country Link
US (1) US2835845A (en)
DE (1) DE1015483B (en)
FR (1) FR1141385A (en)
GB (1) GB786520A (en)
IT (1) IT532932A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL290399A (en) * 1962-03-19

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR820870A (en) * 1936-04-20 1937-11-20 Fernseh Ag Cathode ray switch
US2675499A (en) * 1948-07-10 1954-04-13 Bell Telephone Labor Inc Cathode-ray device
BE491594A (en) * 1948-10-13
NL85244C (en) * 1950-01-19

Also Published As

Publication number Publication date
GB786520A (en) 1957-11-20
DE1015483B (en) 1957-09-12
IT532932A (en)
US2835845A (en) 1958-05-20

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