JPS548542A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Optical controller wave guide
Assignee: NTT Inc
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Filing: 1977-06-22
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Granted: —
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Expires: 1997-06-22
Abstract
Abstract PURPOSE:To perform controlling of light intensity with ease without making laborious adjustment of optical system by changing the temperature of part of an optical guide composed of a core of plastics and clad part of quartz glass thereby changing the refractive index at each part.
Inventors
- 👤 Takashi Kurokawa
- 👤 Shigeru Oikawa
- 👤 Norio Takato
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-09 05:22
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/26; G02B6/264; G02B6/266
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