GB382072A - Improvements in display devices - Google Patents

Improvements in display devices

Info

Publication number
GB382072A
GB382072A GB2994631A GB2994631A GB382072A GB 382072 A GB382072 A GB 382072A GB 2994631 A GB2994631 A GB 2994631A GB 2994631 A GB2994631 A GB 2994631A GB 382072 A GB382072 A GB 382072A
Authority
GB
United Kingdom
Prior art keywords
disc
harrison
display devices
rotated
colour
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
GB2994631A
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.)
HARRISON PATENT KNITTING MACHI
WILLIAM PERCY HARRISON
Original Assignee
HARRISON PATENT KNITTING MACHI
WILLIAM PERCY HARRISON
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 HARRISON PATENT KNITTING MACHI, WILLIAM PERCY HARRISON filed Critical HARRISON PATENT KNITTING MACHI
Priority to GB2994631A priority Critical patent/GB382072A/en
Publication of GB382072A publication Critical patent/GB382072A/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
    • G09F13/00—Illuminated signs; Luminous advertising

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Knitting Machines (AREA)

Abstract

382,072. Changing displays. HARRISON, W. P. and HARRISON PATENT KNITTING MACHINE CO., Ltd., 48, Upper Brook Street, Manchester. Oct. 29, 1931, No. 29946. [Class 3 (i).] In colour display apparatus in which a beam of light is passed in succession through colour filters in an intermittently rotated disc to illuminate a distant object, the disc G is rotated by a motor A through worm reduction gear B, a shaft c, and Geneva stop motion C, D. The lamp is enclosed in a housing K and the disc G in a casing H.
GB2994631A 1931-10-29 1931-10-29 Improvements in display devices Expired GB382072A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2994631A GB382072A (en) 1931-10-29 1931-10-29 Improvements in display devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2994631A GB382072A (en) 1931-10-29 1931-10-29 Improvements in display devices

Publications (1)

Publication Number Publication Date
GB382072A true GB382072A (en) 1932-10-20

Family

ID=10299763

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2994631A Expired GB382072A (en) 1931-10-29 1931-10-29 Improvements in display devices

Country Status (1)

Country Link
GB (1) GB382072A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660926A (en) * 1950-04-13 1953-12-01 Maurice I Talley Plural filter support and actuating mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660926A (en) * 1950-04-13 1953-12-01 Maurice I Talley Plural filter support and actuating mechanism

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