| Motor vehicle speed control system - Patent 4138723 (9834 words) |
 | A digital speed control system including a processor performing arithmetical and logic operations in response to command inputs from the operator to maintain the present vehicle speed, to accelerate at a substantially constant rate to a new cruising speed or to a previously established cruising speed is disclosed. |
| Until the upper speed limit is reached the incremental difference between the demand register and the present speed register provides an error to accelerate the vehicle at a substantially constant rate. |
| The resume switch 46 is actuable for causing the vehicle to accelerate at the aforementioned controlled rate of acceleration, from the vehicle speed at the time of switch actuation to a previous cruise speed i.e., the vehicle speed set during the previous cruise mode of operation, and thereafter maintain the cruise speed. |
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