Patent US5279433A successfully refreshed from Google Patents.
Patent DE2820802C2 successfully refreshed from Google Patents.
Patent JPS5263047A successfully refreshed from Google Patents.
← Back to Patent Explorer
JPS5263047A Expired / Lapsed JP ⏱️ 0.0 years remaining

Piezo-electric filter

Assignee: Toshiba Corp
•
Filing: 1975-11-19
•
Granted: —
•
Expires: 1995-11-19
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE:To improve skirt characteristic by making the leg lengths of the resonator terminal blocks connected with input and output terminals in a piezoelectric filter wherein a plural number of piezoelectric resonators are connected with one another in a ladder type shorter than those of the others.

Inventors

  • 👤 Hiroki Honda

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-07 23:49
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/46; H03H9/54; H03H9/58; H03H9/60

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