Patent JPS5228338A successfully refreshed from Google Patents.
JPS5228338A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
High output light beam focusing lens system
Assignee: Hitachi Ltd
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Filing: 1975-08-29
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Granted: —
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Expires: 1995-08-29
Abstract
Abstract PURPOSE: Absorption of the heat of high output light beam by circulating the cooling liquid of the equivalent or similar refractive index to that of optical glass in the container made of optical glass whose external surface is plane or quadratic surface. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Tadashi Narisei
- 👤 Sho Ito
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-10-23 12:38
CPC Classifications
—
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