Control circuit to inhibit harmful transmission shifting
First Claim
1. A control circuit for regulating the ignition power of a vehicle to inhibit direction changing shifting of the vehicle transmission while the vehicle is in motion, comprising motion sensing circuit means for generating a vehicle motion signal when the vehicle is in motion, transmission sensing circuit means for generating a transmission neutral signal when the vehicle transmission is in neutral, and ignition circuit control means connected to said motion sensing circuit means and said transmission sensing circuit means for receiving said vehicle motion signal and said transmission neutral signal, and operable for interrupting the vehicle engine ignition power when an operator shifts the transmission into neutral while the vehicle is in motion.
0 Assignments
0 Petitions
Accused Products
Abstract
Disclosed herein is a control circuit for regulating the ignition power of a vehicle to inhibit direction changing shifting of the vehicle transmission while the vehicle is in motion. The control circuit includes a motion sensing circuit for generating a vehicle motion signal when the vehicle is in motion, a transmission sensing circuit for generating a transmission neutral signal when the vehicle transmission is in neutral, and an ignition circuit control connected to the motion sensing circuit and the transmission sensing circuit for receiving the vehicle motion signal and the transmission neutral signal, and which is operable for interrupting the vehicle engine ignition power for a predetermined period of time when an operator shifts the transmission into nuetral while the vehicle is in motion.
14 Citations
21 Claims
- 1. A control circuit for regulating the ignition power of a vehicle to inhibit direction changing shifting of the vehicle transmission while the vehicle is in motion, comprising motion sensing circuit means for generating a vehicle motion signal when the vehicle is in motion, transmission sensing circuit means for generating a transmission neutral signal when the vehicle transmission is in neutral, and ignition circuit control means connected to said motion sensing circuit means and said transmission sensing circuit means for receiving said vehicle motion signal and said transmission neutral signal, and operable for interrupting the vehicle engine ignition power when an operator shifts the transmission into neutral while the vehicle is in motion.
- 16. A control circuit for regulating the ignition power of a vehicle to inhibit direction changing shifting of the vehicle transmission while the vehicle is in motion, the vehicle including a transmission neutral safety switch that is closed and connected to ground for allowing energizing of the vehicle engine starter solenoid, only when the transmission is in neutral, said control circuit comprising motion sensing circuit means for generating a vehicle motion signal when the vehicle is in motion, transmission sensing circuit means including an input line connected to the transmission neutral safety switch so the said input line is connected to ground when the vehicle transmission is in neutral, and also including ground signal processing means coupled to said input line and operable to generate a transmission neutral signal when the vehicle transmission is in neutral, and ignition circuit control means including digital logic circuit means having inputs for receiving said vehicle motion signal and said transmission neutral signal, switch means and timer means operable in connection with said digital logic circuit means and said switch means for interrupting vehicle ignition power for a predetermined period of time when an operator shifts the transmission into neutral while the vehicle is in motion.
Specification