JPS5329696A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Scattering light system smoke detector
Assignee: Panasonic Electric Works Co Ltd
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Filing: 1976-08-31
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Granted: —
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Expires: 1996-08-31
Abstract
Abstract PURPOSE: Reflected light within a smoke detecting chamber is prevented and S/N is increased by providing a raised part so that the opposing wall surface to which the direct light from a light emitting element falls and the opposing wall surface which can be glanced over from a light receiving element do not oppose to each other. COPYRIGHT: (C)1978,JPO&Japio
Inventors
- 👤 Yoshihiko Okuda
- 👤 Tsunehiko Araki
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-08 13:58
CPC Classifications
—
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