HK21880A - Improvements in display devices - Google Patents

Improvements in display devices

Info

Publication number
HK21880A
HK21880A HK21880A HK21880A HK21880A HK 21880 A HK21880 A HK 21880A HK 21880 A HK21880 A HK 21880A HK 21880 A HK21880 A HK 21880A HK 21880 A HK21880 A HK 21880A
Authority
HK
Hong Kong
Prior art keywords
display devices
display
devices
Prior art date
Application number
HK21880A
Inventor
B F Harvey
Original Assignee
Multibord 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 Multibord Ltd filed Critical Multibord Ltd
Publication of HK21880A publication Critical patent/HK21880A/en

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
    • G09F11/02—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 secured to rotating members, e.g. drums, spindles
    • G09F11/025—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 secured to rotating members, e.g. drums, spindles the members being rotated simultaneously, each face of the member carrying a part of the sign

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
HK21880A 1975-04-11 1980-04-24 Improvements in display devices HK21880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1508375A GB1551230A (en) 1975-04-11 1975-04-11 Display devices

Publications (1)

Publication Number Publication Date
HK21880A true HK21880A (en) 1980-05-02

Family

ID=10052723

Family Applications (1)

Application Number Title Priority Date Filing Date
HK21880A HK21880A (en) 1975-04-11 1980-04-24 Improvements in display devices

Country Status (2)

Country Link
GB (1) GB1551230A (en)
HK (1) HK21880A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8204192A (en) * 1982-10-29 1984-05-16 Janse Lichtreklame Bv Apparatus for sequentially displaying different images.
GB8522646D0 (en) * 1985-09-12 1985-10-16 Spacesaver Signs Sign

Also Published As

Publication number Publication date
GB1551230A (en) 1979-08-30

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