Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Reexamination Certificate
1999-07-08
2001-09-18
Paladini, Albert W. (Department: 2836)
Electrical transmission or interconnection systems
Vehicle mounted systems
Automobile
C359S602000, C359S604000, C701S049000
Reexamination Certificate
active
06291905
ABSTRACT:
The present invention relates to a vehicle rearview mirror and a vehicle control system incorporating such mirror.
According to the present invention there is provided a vehicle rearview mirror comprising a mirror housing containing a variable reflectivity mirror unit and a microcontroller for controlling the reflectivity of the mirror unit.
There is also provided, as a further independent invention, a vehicle control system comprising a rearview mirror housing, a variable reflectivity mirror unit mounted in the mirror housing, a master microcontroller mounted in the mirror housing for controlling the reflectivity of the mirror unit, a roof housing positioned on the interior roof of the vehicle, a slave microcontroller mounted in the roof housing and connected to the master microcontroller, and at least one input and/or output device connected to the slave microcontroller.
There is also provided, as a further independent invention, a vehicle control system comprising a network controlling a plurality of functions of the vehicle, the network having a node located in a rearview mirror housing of the vehicle, such node controlling at least one function of the mirror.
There is also provided, as a further independent invention, apparatus for controlling an optical characteristic of a vehicle component in accordance with the duty cycle of a pulse width modulated signal.
REFERENCES:
patent: 5455716 (1995-10-01), Suman et al.
patent: 5659423 (1997-08-01), Schierbeek et al.
patent: 5796176 (1998-08-01), Kramer et al.
patent: 5798575 (1998-08-01), O'Farrell et al.
patent: 5877897 (1999-02-01), Schoefield et al.
patent: 5959367 (1999-09-01), O'Farrell et al.
patent: WO 9914619 (1999-03-01), None
Commonly assigned co-pending, U.S. Patent Application, Serial No. 09/353,026, filed Jul. 13, 1999 by Eric J. Hoekstra et al. for Digital Electrochromic Mirror System.
Commonly assigned co-pending U.S. Patent Application, Serial No. 09/519,767, filed Mar. 6, 2000 by Eric J. Hoekstra et al. for Digital Electrochromic Mirror System.
Commonly assigned, co-pending U.S. patent application filed Mar. 20, 2000 by Kenneth L. Schierbeek for Digital Electrochromic Mirror System (Attorney Docket No. DON01 p. 808).
Co-pending U.S. application, No. 08/832,380, Kenneth L. Schierbeek, filed Apr. 2, 1997, for Digital Electrochromic Mirror System.
Drummond John P.
Fletcher Sean J.
Savard Hassel J.
Schierbeek Kenneth L.
Schofield Kenneth
Donnelly Mirrors Limited
Paladini Albert W.
VanDyke, Gardner, Linn & Burkhart, LLP
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