ES439319A1 - A system for writing, transmitting and reproducing symbols. (Machine-translation by Google Translate, not legally binding) - Google Patents

A system for writing, transmitting and reproducing symbols. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES439319A1
ES439319A1 ES439319A ES439319A ES439319A1 ES 439319 A1 ES439319 A1 ES 439319A1 ES 439319 A ES439319 A ES 439319A ES 439319 A ES439319 A ES 439319A ES 439319 A1 ES439319 A1 ES 439319A1
Authority
ES
Spain
Prior art keywords
writing
cathode ray
translation
transmitting
electrically conductive
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
ES439319A
Other languages
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES439319A1 publication Critical patent/ES439319A1/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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • 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

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Position Input By Displaying (AREA)

Abstract

A system for writing, transmitting and reproducing symbols, characterized in that there is a cathode ray storage tube (1,2) in each writing and reproduction position, because there is a transparent and electrically conductive layer (11,12) on the outer surface of the screen (5,6) of each storage cathode ray tube, because said layer (11, 12) carries the electrodes (13,14) to generate a reproducible potential distribution, because there is a style (15,16) in each cathode ray tube, because one of said styles passes at a specific moment on the respective transparent and electrically conductive layer, because its position within the distribution of electric potential in the layer can be defined by the capture of the respective local potentials, because said local potentials are transmitted as control signals, to the deflection units (9, 10) of all the cathode ray storage tubes (1,2) connected to the system, to each writing and reproduction position, and because the electronic beams (19,20) of the cathode ray storage tubes (1,2) make the instantaneous positions of the style visible on the screens (5,6) (15, 16) on the transparent and electrically conductive layer. (Machine-translation by Google Translate, not legally binding)
ES439319A 1974-07-12 1975-07-11 A system for writing, transmitting and reproducing symbols. (Machine-translation by Google Translate, not legally binding) Expired ES439319A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2433667A DE2433667A1 (en) 1974-07-12 1974-07-12 Communications system for transmitting and displaying characters - allows telephone conversation to be illustrated at all receivers by sketches etc.

Publications (1)

Publication Number Publication Date
ES439319A1 true ES439319A1 (en) 1977-02-16

Family

ID=5920443

Family Applications (1)

Application Number Title Priority Date Filing Date
ES439319A Expired ES439319A1 (en) 1974-07-12 1975-07-11 A system for writing, transmitting and reproducing symbols. (Machine-translation by Google Translate, not legally binding)

Country Status (2)

Country Link
DE (1) DE2433667A1 (en)
ES (1) ES439319A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3409532A1 (en) * 1984-03-15 1985-09-19 Standard Elektrik Lorenz Ag, 7000 Stuttgart COMMUNICATION TERMINAL
JPH01125187A (en) * 1987-11-10 1989-05-17 Mitsubishi Electric Corp Electronic conference system
US5239373A (en) * 1990-12-26 1993-08-24 Xerox Corporation Video computational shared drawing space

Also Published As

Publication number Publication date
DE2433667A1 (en) 1976-01-22

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