← Back to Patent Explorer
EP0080244A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Method of identifying a system - allied, physically separableprogramme memory, and a data processing system using this method.

Assignee: Koninklijke Philips NV
•
Filing: 1982-11-22
•
Granted: —
•
Expires: 2002-11-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract 1. A method for identifying a system-allied, physically separable program memory in a data processing system comprising a central processing unit, an executive memory and a device for physically introducing a program memory into the system, said method comprising the following steps : a) comparing an identifier stored in said program memory with a reference identifier stored in said executive memory ; b) generating an error signal if said reference identifier does not correspond to said identifier stored in said program memory ; c) disabling, under the control of said error signal, the operation the data processing system, characterized in that a reset signal is generated after an initialization of the data processing system, under the control of said reset signal a start command signal being generated by the central processing unit in order to start said comparison.

Inventors

  • 👤 Charles Buckner Heffron
  • 👤 Roberto Leonarduzzi
  • 👤 Jack Edward Haken
  • 👤 Robert Thomas Mayer

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 20:12
CPC Classifications
G; G06; G06F; G06F21/00; G06F21/50; G06F21/51; G06F21/10; G06F21/109; G06F21/57; G06F21/575; G06F21/70; G06F21/78; G06F2221/00; G06F2221/21; G06F2221/2109; G06F2221/2153

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