CA1139813A - Permanent magnet for a bistable element and bistable element and data display units with at least one such element - Google Patents

Permanent magnet for a bistable element and bistable element and data display units with at least one such element

Info

Publication number
CA1139813A
CA1139813A CA000355214A CA355214A CA1139813A CA 1139813 A CA1139813 A CA 1139813A CA 000355214 A CA000355214 A CA 000355214A CA 355214 A CA355214 A CA 355214A CA 1139813 A CA1139813 A CA 1139813A
Authority
CA
Canada
Prior art keywords
permanent magnet
rotor
axis
rotation
bistable element
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
CA000355214A
Other languages
English (en)
French (fr)
Inventor
Jean-Pierre Forest
Jean Rabette
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.)
VELEC SA
Original Assignee
Vendeputte Fils & Cie 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 Vendeputte Fils & Cie Sa filed Critical Vendeputte Fils & Cie Sa
Application granted granted Critical
Publication of CA1139813A publication Critical patent/CA1139813A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/14—Pivoting armatures
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/24—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane
    • G08B5/30—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission with indicator element moving about a pivot, e.g. hinged flap or rotating vane with rotating or oscillating members, e.g. vanes
    • 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)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
CA000355214A 1979-07-05 1980-07-02 Permanent magnet for a bistable element and bistable element and data display units with at least one such element Expired CA1139813A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR79/17804 1979-07-05
FR7917804A FR2460532A1 (fr) 1979-07-05 1979-07-05 Aimant permanent pour element bistable et element bistable et unites de visualisation de donnees pourvues d'au moins un tel element

Publications (1)

Publication Number Publication Date
CA1139813A true CA1139813A (en) 1983-01-18

Family

ID=9227690

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000355214A Expired CA1139813A (en) 1979-07-05 1980-07-02 Permanent magnet for a bistable element and bistable element and data display units with at least one such element

Country Status (5)

Country Link
EP (1) EP0022395B1 (https=)
AT (1) ATE4073T1 (https=)
CA (1) CA1139813A (https=)
DE (1) DE3064027D1 (https=)
FR (1) FR2460532A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2487098A1 (fr) * 1980-07-18 1982-01-22 Vandeputte Fils & Cie Dispositif de visualisation de donnees
FR2555344A1 (fr) * 1983-11-18 1985-05-24 Nei Canada Ltd Dispositif indicateur ou d'affichage a ailettes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295238A (en) * 1963-11-01 1967-01-03 Ferranti Packard Ltd Sign element
GB1080458A (en) * 1966-03-18 1967-08-23 Patent Button Co An electromagnetic indicator
US3638550A (en) * 1966-12-30 1972-02-01 John R Hereford Rotary electromagnetic actuator
SE390223B (sv) * 1975-03-19 1976-12-06 Widens Elautomatik Ab Bistabilt legesindikerande element

Also Published As

Publication number Publication date
FR2460532A1 (fr) 1981-01-23
DE3064027D1 (en) 1983-08-11
FR2460532B1 (https=) 1984-11-02
EP0022395A1 (fr) 1981-01-14
ATE4073T1 (de) 1983-07-15
EP0022395B1 (fr) 1983-07-06

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20000118