Communications system of two-wire line enhancing fail-safe...

Details Communications system of two-wire line enhancing fail-safe... Communications system of two-wire line enhancing fail-safe...

2008-03-25

2008-03-25

Odom, Curtis (Department: 2611)

Pulse or digital communications

Cable systems and components

C398S001000, C398S004000, C398S010000, C398S017000, C702S058000, C702S059000, C714S001000, C714S002000, C714S003000, C714S004110, C714S025000, C714S043000, C714S100000

Reexamination Certificate

active

10385563

ABSTRACT:
Five electronic control units (ECU) control vehicle devices using CAN protocol. Each of ECUs is provided with a resistor and a switch for activating the resistor. A first and fifth ECUs are arranged on the leftmost and rightmost ends. Resistors of the first and fifth ECUs are used as terminating resistors to a two-wire communications line. When the two-wire communications line is broken, the first ECU sends a test signal while other ECUs excluding the fifth ECU turn on the switches from right to left. When the test signal can be received, a broken point is located on the right side of ECU that turns on its switch at this time. Thereafter ECUs on the left side of the broken point conduct communication.

REFERENCES:
patent: 4723241 (1988-02-01), Grobel et al.
patent: 5357518 (1994-10-01), Peter
patent: 5572658 (1996-11-01), Mohr et al.
patent: 5696777 (1997-12-01), Hofsaess
patent: 5765031 (1998-06-01), Mimuth et al.
patent: 6115831 (2000-09-01), Hanf et al.
patent: 6816074 (2004-11-01), Wong
patent: 1069733 (2001-01-01), None
patent: 61-173399 (1986-08-01), None
patent: 3-113551 (1991-11-01), None
patent: 9-162909 (1997-06-01), None
patent: 10-79752 (1998-03-01), None
patent: 2000-165415 (2000-06-01), None
European Search Report-Aug. 31, 2005.
JPO Examination Report dated Aug. 2006.

Affiliated with

Also associated with

Rating

Communications system of two-wire line enhancing fail-safe... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Communications system of two-wire line enhancing fail-safe..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Communications system of two-wire line enhancing fail-safe... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3936093