ES368705A1 - Un dispositivo de despliegue visual que funciona magnetica-mente. - Google Patents

Un dispositivo de despliegue visual que funciona magnetica-mente.

Info

Publication number
ES368705A1
ES368705A1 ES368705A ES368705A ES368705A1 ES 368705 A1 ES368705 A1 ES 368705A1 ES 368705 A ES368705 A ES 368705A ES 368705 A ES368705 A ES 368705A ES 368705 A1 ES368705 A1 ES 368705A1
Authority
ES
Spain
Prior art keywords
walls
ducts
display device
visual display
core
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
ES368705A
Other languages
English (en)
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.)
PERIPHERAL DATA MACHINES Inc
Original Assignee
PERIPHERAL DATA MACHINES Inc
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 PERIPHERAL DATA MACHINES Inc filed Critical PERIPHERAL DATA MACHINES Inc
Publication of ES368705A1 publication Critical patent/ES368705A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
    • G09F9/375—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements the position of the elements being controlled by the application of a magnetic field
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
ES368705A 1968-09-16 1969-06-23 Un dispositivo de despliegue visual que funciona magnetica-mente. Expired ES368705A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76220268A 1968-09-16 1968-09-16

Publications (1)

Publication Number Publication Date
ES368705A1 true ES368705A1 (es) 1971-07-01

Family

ID=25064388

Family Applications (1)

Application Number Title Priority Date Filing Date
ES368705A Expired ES368705A1 (es) 1968-09-16 1969-06-23 Un dispositivo de despliegue visual que funciona magnetica-mente.

Country Status (5)

Country Link
US (1) US3460276A (es)
JP (1) JPS4933558B1 (es)
DE (1) DE1939954A1 (es)
ES (1) ES368705A1 (es)
FR (1) FR2060310A1 (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591939A (en) * 1969-08-04 1971-07-13 Peripheral Data Machines Inc Bistable display device with sequential actuator
US3685040A (en) * 1970-04-13 1972-08-15 Science Associates Inc Display apparatus
US3724110A (en) * 1972-05-22 1973-04-03 Worthington Corp Visual display board
CA1097915A (en) * 1977-04-22 1981-03-24 Kokusai Display Kogyo Co., Ltd. Apparatus for displaying visual information by means of magnets
JPS5635357Y2 (es) * 1978-10-16 1981-08-20
CA2027440C (en) * 1989-11-08 1995-07-04 Nicholas K. Sheridon Paper-like computer output display and scanning system therefor
US5111193A (en) * 1990-06-06 1992-05-05 American On-Premise Advertising Company Electronic display element for electronic display device
US5148156A (en) * 1990-06-06 1992-09-15 American Electronic Sign Company Electronic display device having a plurality of pixel elements
US5699631A (en) * 1995-05-15 1997-12-23 Tyson; Rogue Rotatable magnetic memory reminder device
US6677922B1 (en) 1995-12-04 2004-01-13 3M Innovative Properties Company Display element having retroreflective surface
JP3805180B2 (ja) * 2000-09-14 2006-08-02 株式会社東芝 表示素子
US6550812B1 (en) 2002-02-15 2003-04-22 Avery Dennison Corporation Magnetic write/erase binder
US20080030290A1 (en) * 2006-08-04 2008-02-07 Robert John Norman Magnetic stylus and visual display
US8057238B2 (en) * 2009-08-17 2011-11-15 Xingkang Li Magnetically actuated visual display board

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2589601A (en) * 1950-09-26 1952-03-18 Edward N Burnett Magnetic slate
US3103751A (en) * 1961-05-05 1963-09-17 Wilfred J Mcdonald Chalkless writing board
USRE25363E (en) * 1961-10-27 1963-04-02 Magnetic writing materials set

Also Published As

Publication number Publication date
US3460276A (en) 1969-08-12
FR2060310A1 (es) 1971-06-18
JPS4933558B1 (es) 1974-09-07
DE1939954A1 (de) 1970-03-19

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