GB1365911A - Information display devices - Google Patents

Information display devices

Info

Publication number
GB1365911A
GB1365911A GB940671A GB940671A GB1365911A GB 1365911 A GB1365911 A GB 1365911A GB 940671 A GB940671 A GB 940671A GB 940671 A GB940671 A GB 940671A GB 1365911 A GB1365911 A GB 1365911A
Authority
GB
United Kingdom
Prior art keywords
shutters
vertical
shutter
field
horizontal
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
GB940671A
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.)
UNIVERSAL TELEWRITERS Pty Ltd
Original Assignee
UNIVERSAL TELEWRITERS Pty Ltd
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 UNIVERSAL TELEWRITERS Pty Ltd filed Critical UNIVERSAL TELEWRITERS Pty Ltd
Priority to GB940671A priority Critical patent/GB1365911A/en
Priority to IT68148/72A priority patent/IT954676B/it
Priority to CA140,196A priority patent/CA977962A/en
Priority to US00243950A priority patent/US3775881A/en
Publication of GB1365911A publication Critical patent/GB1365911A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
GB940671A 1971-04-14 1971-04-14 Information display devices Expired GB1365911A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB940671A GB1365911A (en) 1971-04-14 1971-04-14 Information display devices
IT68148/72A IT954676B (it) 1971-04-14 1972-04-13 Dispositivo presentatore di inforamzioni
CA140,196A CA977962A (en) 1971-04-14 1972-04-14 Information display devices
US00243950A US3775881A (en) 1971-04-14 1972-04-14 Information display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB940671A GB1365911A (en) 1971-04-14 1971-04-14 Information display devices

Publications (1)

Publication Number Publication Date
GB1365911A true GB1365911A (en) 1974-09-04

Family

ID=9871368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB940671A Expired GB1365911A (en) 1971-04-14 1971-04-14 Information display devices

Country Status (4)

Country Link
US (1) US3775881A (it)
CA (1) CA977962A (it)
GB (1) GB1365911A (it)
IT (1) IT954676B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995386A (en) * 1972-10-18 1976-12-07 Hassan Paddy Abdel Salam Information display device
US4358743A (en) * 1980-07-09 1982-11-09 Ford Motor Company Light modulator
US4359698A (en) * 1980-07-09 1982-11-16 Ford Motor Company Reflecting type light modulator
US4819357A (en) * 1982-01-22 1989-04-11 Salam Hassan P A Information display devices
FR2555343B1 (fr) * 1983-11-23 1987-01-23 Cetehor Dispositif d'affichage lumineux
FR2588403B1 (fr) * 1985-10-08 1988-03-25 Sncf Dispositif d'affichage variable stabilise par gravite
GB8606193D0 (en) * 1986-03-13 1986-04-16 Unisplay Sa Display device
US4861505A (en) * 1988-12-01 1989-08-29 Jacqueline Farman Novelty soap
US5115228A (en) * 1990-08-02 1992-05-19 International Business Machines Corporation Shuttered display panel
US5500652A (en) * 1992-11-19 1996-03-19 American Electronic Sign Company Display element with reflective lens
US6677922B1 (en) 1995-12-04 2004-01-13 3M Innovative Properties Company Display element having retroreflective surface
US10529260B2 (en) * 2015-12-29 2020-01-07 Christie Digital Systems Usa, Inc. System for mounting a plurality of display units

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036300A (en) * 1958-12-30 1962-05-22 Ibm Electromagnetic display device
US3295238A (en) * 1963-11-01 1967-01-03 Ferranti Packard Ltd Sign element
GB1194597A (en) * 1967-09-27 1970-06-10 Universal Telewriters Pty Ltd Improvements in or relating to Matrix Display Devices

Also Published As

Publication number Publication date
IT954676B (it) 1973-09-15
US3775881A (en) 1973-12-04
CA977962A (en) 1975-11-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee