Patent JPS5282435A successfully refreshed from Google Patents.
JPS5282435A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Safety device in optical scanner
Assignee: Fujitsu Ltd
•
Filing: 1975-12-29
•
Granted: —
•
Expires: 1995-12-29
Abstract
Abstract PURPOSE: To protect safely the eyes of an operator by detecting the quantity of the exposed laser light exceeding an allowable quantity to activate a shutter. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Moritoshi Ando
- 👤 Hiroyuki Ikeda
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-07 09:48
CPC Classifications
—
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.