Patent JPS5364532A successfully refreshed from Google Patents.
← Back to Patent Explorer
JPS5364532A Expired / Lapsed JP ⏱️ 0.0 years remaining

Photo attenuator

Assignee: Mitsubishi Electric Corp
•
Filing: 1976-11-19
•
Granted: —
•
Expires: 1996-11-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE: To attenuate the light power of a photo transmission path continuously without using any polarizing plate and without any transmission insertion loss by mounting refractive index distribution type lenses to the ends of incident side and exit side optical fibers, providing a diaphragm between both lenses and adjusting the opening of the diaphragm. COPYRIGHT: (C)1978,JPO&Japio

Inventors

  • 👤 Teruhito Matsui
  • 👤 Noriaki Tsukada

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-03 14:33
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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag