GB735042A - Improvements in or relating to display devices - Google Patents

Improvements in or relating to display devices

Info

Publication number
GB735042A
GB735042A GB1471552A GB1471552A GB735042A GB 735042 A GB735042 A GB 735042A GB 1471552 A GB1471552 A GB 1471552A GB 1471552 A GB1471552 A GB 1471552A GB 735042 A GB735042 A GB 735042A
Authority
GB
United Kingdom
Prior art keywords
solenoid
frame
magnets
moving
concealed
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
GB1471552A
Inventor
Swietoslaw Frydberg
Swietoslaw Fry
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.)
ROTOSIGNS Ltd
Original Assignee
ROTOSIGNS 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 ROTOSIGNS Ltd filed Critical ROTOSIGNS Ltd
Priority to GB1471552A priority Critical patent/GB735042A/en
Publication of GB735042A publication Critical patent/GB735042A/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
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/30—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being fed one by one from storage place to a display position
    • G09F11/34—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being fed one by one from storage place to a display position the feeding means comprising electromagnets

Abstract

735,042. Moving display devices. ROTOSIGNS, Ltd. June 10, 1953 [June 11, 1952], No. 14715/52. Class 3 (1). [Also in Group XXXV] A moving advertising or display device comprises a frame 1 made of metal tubing which has a solenoid in one of its vertical limbs, the solenoid consisting of two oppositely wound coils 7, 8. The coils are connected to a D.C. supply through a thermally-operated, bimetallic, changeover switch so that they are connected to the supply alternately. The conductors 4-6 for the solenoid are concealed on a suspension cord 2 for the frame. Pivotably mounted on the frame on its centre line is a panel 9 or skeleton framework carrying display material and this has permanent magnets 11, 12 built into its two opposite vertical edges, the magnets being concealed by a binding 13. The magnets are arranged with their polarities oppositely directed so that when one is attracted by the solenoid the other is repelled, and thus as the polarity of the solenoid is changed by the switch, the panel swings through substantially 180 degrees. It is prevented from moving completely into the plane of the frame 1 by rubber rings 23 on the frame. In an alternative construction two solenoids and one magnet may be used.
GB1471552A 1952-06-11 1952-06-11 Improvements in or relating to display devices Expired GB735042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1471552A GB735042A (en) 1952-06-11 1952-06-11 Improvements in or relating to display devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1471552A GB735042A (en) 1952-06-11 1952-06-11 Improvements in or relating to display devices

Publications (1)

Publication Number Publication Date
GB735042A true GB735042A (en) 1955-08-10

Family

ID=10046222

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1471552A Expired GB735042A (en) 1952-06-11 1952-06-11 Improvements in or relating to display devices

Country Status (1)

Country Link
GB (1) GB735042A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153241A (en) * 1984-01-30 1985-08-21 Masudaya Corp Ltd Magnetically movable model toy

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2153241A (en) * 1984-01-30 1985-08-21 Masudaya Corp Ltd Magnetically movable model toy

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