ATE18819T1 - BISTABLE ELECTROMAGNETIC INDICATORS. - Google Patents

BISTABLE ELECTROMAGNETIC INDICATORS.

Info

Publication number
ATE18819T1
ATE18819T1 AT81106658T AT81106658T ATE18819T1 AT E18819 T1 ATE18819 T1 AT E18819T1 AT 81106658 T AT81106658 T AT 81106658T AT 81106658 T AT81106658 T AT 81106658T AT E18819 T1 ATE18819 T1 AT E18819T1
Authority
AT
Austria
Prior art keywords
armature
longitudinal axis
prism
bistable electromagnetic
pole
Prior art date
Application number
AT81106658T
Other languages
German (de)
Inventor
Manfred Szyszka
Robert Ludes
Original Assignee
Merk Gmbh Telefonbau Fried
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 Merk Gmbh Telefonbau Fried filed Critical Merk Gmbh Telefonbau Fried
Application granted granted Critical
Publication of ATE18819T1 publication Critical patent/ATE18819T1/en

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)
  • Electromagnets (AREA)

Abstract

1. Bistable electromagnetic display devices having each a rotable armature with a built-in polarising magnet (5), whereby the display surface of each armature is formed by the one or the other lateral surface (6, 7) of a three-cornered prism rotable around the longitudinal axis (Y), the polarising magnet (5) is attached within the prism in the area of the longitudinal axis (Y) and the control of the armature from one position to the other position is performed by an electromagnet, characterized in that the horse-shoe shaped polarising magnet (5) embracing a shaft (4) positioned in the longitudinal axis (Y) is formed such, that either one pole (N) or the other pole (S) is located close by near at hand of the end of the pin formed core (2) of the electromagnet projecting into the three cornered prism.
AT81106658T 1981-08-27 1981-08-27 BISTABLE ELECTROMAGNETIC INDICATORS. ATE18819T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81106658A EP0073842B1 (en) 1981-08-27 1981-08-27 Bistable electromagnetic optical display device

Publications (1)

Publication Number Publication Date
ATE18819T1 true ATE18819T1 (en) 1986-04-15

Family

ID=8187873

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81106658T ATE18819T1 (en) 1981-08-27 1981-08-27 BISTABLE ELECTROMAGNETIC INDICATORS.

Country Status (2)

Country Link
EP (1) EP0073842B1 (en)
AT (1) ATE18819T1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4566210A (en) * 1983-06-13 1986-01-28 Nei Canada Limited Display device
FR2604549A1 (en) * 1986-09-29 1988-04-01 Omega Electronics Sa Electromechanical display with tilting dihedrons
FR2650419B1 (en) * 1989-07-31 1995-02-10 Erfi Sarl MAGNETIC INDICATOR

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250031A (en) * 1963-02-12 1966-05-10 Richard G Bowman Display unit for scoreboards or the like
FR1543030A (en) * 1966-10-24 1968-10-18 Contraves Ag Device in particular for indicating signals to be exposed
FR1527414A (en) * 1967-06-14 1968-05-31 Miniature Elect Components Advanced miniaturized electromagnetic indicator, particularly of the type giving binary indications
US3704462A (en) * 1970-09-21 1972-11-28 Miniature Elect Components Manually resettable electromagnetic indicators
DE2062697A1 (en) * 1970-12-19 1972-06-22 Merk Gmbh Telefonbau Fried Bistable, electromagnetically controlled display element
US4197527A (en) * 1975-05-09 1980-04-08 Romney Russell H Comprehensive information display system

Also Published As

Publication number Publication date
EP0073842B1 (en) 1986-03-26
EP0073842A1 (en) 1983-03-16

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee