Title:
DEVICE AND METHOD FOR RECORDING ON-VEHICLE SYSTEM OPERATION INFORMATION
Document Type and Number:
Japanese Patent JP2001130345
Kind Code:
A
Abstract:
To provide a recording device that can record data such as operation information to be recorded into a non-volatile memory or storage medium considering writing frequency, and considers falsification prevention of the written recorded data.
The recording device comprises a calendar clock 31 counting time, a recording communication port portion 4 for receiving data from a device to be monitored, a readable/writable non-volatile storage portion 1 including a plurality of blocks (sectors), and a control portion 6 that edits data inputted through the recording communication port portion 4 and writes and controls the edited data into the storage portion 1 sequentially and every block, using the plurality of blocks as a ring buffer.
Inventors:
OTSUKA KAZUYOSHI
Application Number:
JP31948799A
Publication Date:
May 15, 2001
Filing Date:
November 10, 1999
Export Citation:
Assignee:
NEC CORP
International Classes:
B60R16/00; B62D41/00; G06F11/34; G06F12/00; G06F12/02; G06F12/14; G06F12/16; G06F21/60; G06F21/62; G06F21/64; (IPC1-7): B60R16/00; G06F11/34; G06F12/02
Attorney, Agent or Firm:
Naoki Kyomoto (2 outside)
Previous Patent: WEATHER STRIP AND ITS MANUFACTURING AND ASSEMBLING METHOD
Next Patent: STRUCTURE AND METHOD FOR WIRING WIRE HARNESS
Next Patent: STRUCTURE AND METHOD FOR WIRING WIRE HARNESS