JPS5210697A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Luminous signal plate
Assignee: SHIRAKI KIKAI SEKKEI KK
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Filing: 1975-07-15
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Granted: —
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Expires: 1995-07-15
Abstract
Abstract PURPOSE: To practise announcement, propagation, signal, etc. by utilizing irregular reflection of incident light through the section of transparent plate member by relief with minute roughness on the plain surface. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Yoshiaki Shiraki
- 👤 Hideo Kamei
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-26 04:57
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/20; G09F13/22
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