← Back to Patent Explorer
JPS5535558A Expired / Lapsed JP ⏱️ 0.0 years remaining

Sounding material

Assignee: Nippon Ceramic Co Ltd
•
Filing: 1978-09-04
•
Granted: —
•
Expires: 1998-09-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE:To sound with a high efficiency by giving tension to a diaphragm which is mounted on the vibrator equipped with a transducer. CONSTITUTION:A piezo-electric ceramic plate is used as disc-shaped transducer 11 and is joined with vibration resonence plate 12 to make a vibrator, and this vibrator is connected to diaphragm 13 where tension is given. Then, tension is given to diaphragm 13, and diaphragm 13 is oscillated by transducer 11 which is vibration source. As a result, this material sounds with a high efficiency.

Inventors

  • 👤 Yoshiharu Taniguchi
  • 👤 Masanori Akiyama

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-06 03:47
CPC Classifications
H; H04; H04R; H04R17/00; H04R17/10

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