GB382072A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements in display devices
Assignee: HARRISON PATENT KNITTING MACHI
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Filing: 1931-10-29
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Granted: —
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Expires: 1951-10-29
Abstract
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.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-22 22:19
CPC Classifications
G; G09; G09F; G09F13/00
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