← Back to Patent Explorer
JPS56159754A Expired / Lapsed JP ⏱️ 0.0 years remaining

Electronic equipment with memorandum function

Assignee: Canon Inc
•
Filing: 1980-05-14
•
Granted: —
•
Expires: 2000-05-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract PURPOSE:To miniaturize an electronic equipment with many memorandum contents by providing a folding type electronic equipment with a display part at one side and a keyboard, usable from both surfaces, on both surfaces of the other side, and by further providing an opening part to another case. CONSTITUTION:An electronic desk-top calculator 1 consists of a right-hand case 2 and a left-hand case 3, which are supported rotatably on a shaft 4; on the top side of the right-hand case 2, a keyboard 5 for inputs of four arithmetical operations is provided and through an opening part 6 provided partly to it, a display part 9 in the case is seen. Inside of the right-hand case 2, a keyboard 7 for memorandums and a timerpiece is provided. The left-hand case 3 is provided with a large display device 8 in multistage matrix form, and a part 9 for numeric display, and arithmetic result and time display is provided at a position corresponding to the opening part 6 and used even as the display device 8. To see memorandum display, left- and right-hand cases 2 and 3 are opened memorandum contents are accessed and/or stored by operating the keyboard 7 for memorandums, thereby displaying them on the display device 8.

Inventors

  • 👤 Hideo Fushimoto
  • 👤 Shigeru Toyomura
  • 👤 Yoshiaki Nishimuro
  • 👤 Osamu Asakura
  • 👤 Masahiro Rachi

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-04 15:27
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/1613; G06F1/1633; G06F1/1662; G06F1/1671; G06F1/1626; G06F15/00; G06F15/02; G06F15/0216

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