Patent US3564503A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3564503A Expired / Lapsed US ⏱️ 0.0 years remaining

Numerical display system

Assignee: Nippon Columbia Co Ltd
•
Filing: 1967-11-21
•
Granted: 1971-02-16
•
Expires: 1987-11-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract THIS SPECIFICATION DISCLOSES A NUMERICAL DISPLAY SYSTEM ADAPTED TO SERIALLY DISPLAY A NUMBER CONSISTING OF A PLURALITY OF DIGITS. TO THIS END, USE IS MADE OF A PLURAL-DIGIT CIRCULATING TYPE REGISTER THE SEQUENTIAL DIGIT NUMERICAL CONTENTS OF WHICH ARE DECODED. A PLURALITY OF NUMERICAL INDICATORS ARE SEQUENTIALLY DRIVEN IN SYNCHRONISM WITH THE PERIOD OF THE REGISTER, AND THE CONTENTS OF THE DIGIT PORTIONS OF THE REGISTER ARE SEQUENTIALLY INDICATED ON THAT INDICATORS WHICH ARE IN SYNCHRONISM WITH THE SEQUENTIAL DRIVING. FURTHERMORE, IN THE SYSTEM DISCLOSED IN THIS SPECIFICATION, UNNECESSARY OR INVALID ZERO OR ZEROS ARE PREVENTED FROM BEING INDICATED DURING THE SERIAL NUMERICAL DISPLAY. ALSO, THE PRESENT SERIAL NUMERICAL DISPLAY SYSTEM IS SO DESIGNED AS TO INDICATE THE DECIMAL POINT. THIS SPECIFICATION ALSO DISCLOSES A NUMERICAL INDICATOR COMPRISING A PLUALITY OF INDICATOR UNITS ACCOMMODATED IN A SINGLE COMMON TUBE.

Inventors

  • 👤 Kikuo Kubo
  • 👤 Takafumi Kumagai
  • 👤 Takeshi Shirai

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:15
CPC Classifications
H; H03; H03K; H03K21/00; H03K21/08

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

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-02-15 1974-08-17 1975-02-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-15 1978-08-17 1979-02-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-15 1982-08-17 1983-02-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag