US PATENT SUBCLASS 701 / 51
.~ Transmission control

Current as of: June, 1999
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701 /   HD   DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION

1  DF  VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION {19}
51.~ Transmission control {9}
52  DF  .~.~> Semiautomatic control (e.g., switchable between automatic and manual)
53  DF  .~.~> And other vehicle control {1}
55  DF  .~.~> By changing shift map, schedule, or pattern {1}
57  DF  .~.~> Fuzzy logic
58  DF  .~.~> Adaptive control {2}
62  DF  .~.~> Fail-safe control (e.g., preventing a gear shift) {1}
64  DF  .~.~> Indicating a completion of a shift or a shift to be completed
65  DF  .~.~> Responsive to road, external, or ambient condition
66  DF  .~.~> Time regulated operations

DEFINITION

Classification: 701/51

Transmission control:

(under subclass 1) Vehicle control, guidance, operation, or indication wherein the electrical data processing system or calculating computer functions to regulate or monitor the operation of the transmission.

SEE OR SEARCH THIS CLASS, SUBCLASS:

87, for control of transmission torque to regulate the antispin behavior of a vehicle.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

473.1+, for a system to manually control a transmission.

91, Motors: Expansible Chamber Type,

473, for condition responsive control of drive transmission. 92, Expansible Chamber Devices,

12.1+, for displacement control of plural cylinders arranged in parallel, radial, or conical relationship with rotary transmission axis.

180, Motor Vehicles,

336, for manually controlling the motor or driving mechanism with transmission control and 337+ for a transmission mechanism.

192, Clutches and Power-Stop Control,

3.51+, for transmission control and clutch control and 215+ for control of transmission and brake.

440, Marine Propulsion,

84+, for an engine, motor, or transmission control means.

477, Interrelated Power Delivery Controls Including Engine Control,

15+, for an electric engine with transmission control, 31 for a continuously variable transmission with a gas turbine engine, and 34+ wherein the operation of an engine regulates or is regulated by the operation of a transmission.