Appeal No. 96-0323
Application 08/131,684
1. A power steering control apparatus for a motor
vehicle, comprising:
first control means for determining a driving torque for
a steering assist motor on the basis of steering torque
information, indicative of a steering torque of a steering
wheel generated upon operation of the steering wheel by a
driver of the motor vehicle, and pseudo vehicle speed
information indicative of an estimated vehicle speed, and then
generating a driving signal for said steering assist motor on
the basis of said driving torque; and
second control means for generating said pseudo vehicle
speed information indicative of an estimated speed of said
motor vehicle which is calculated on the basis of wheel
rotation speed information indicative of a rotation speed of
wheels of said motor vehicle and acceleration/deceleration
information of said motor vehicle indicative of an
acceleration/deceleration of said motor vehicle, said second
control means also generating a brake actuation signal for
said wheels of said motor vehicle on the basis of said pseudo
vehicle speed signal, said acceleration/deceleration
information and brake application information indicative of
brake application by a driver of the motor vehicle.
The examiner’s Answer cites the following prior art:
Shimizu 4,819,170 Apr. 4,
1989
Kageyama et al.(Kageyama) 5,210,690 May 11,
1993
Nishiwaki et al.(Nishiwaki) 5,229,955 Jul. 20,
1993
OPINION
Claims 1-4, 6-7, and 10-11 stand rejected under 35 U.S.C.
§ 103 as unpatentable over Shimizu in view of Kageyama.
Claims 9 and 12 stand rejected under 35 U.S.C. § 103 as
2
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