A passenger detection system comprising
- a master system, a pressure sensor, and a cable;
- wherein the cable electrically connects the pressure sensor to the master system;
- wherein the pressure sensor is monitored by the master system;
- wherein the passenger detection system is configured for use with a child safety seat;
- wherein the passenger detection system is configured for use with a passenger;
- wherein the passenger detection system detects when the passenger is in the child safety seat;
- wherein the passenger detection system is configured for use with a personal data device;
- wherein the pressure sensor detects when the passenger is seated in the child safety seat;
- wherein the pressure sensor mounts in the child safety seat;
- wherein the pressure sensor is a weight sensitive device that detects when the passenger is in the child safety seat;
- wherein the pressure sensor detects the weight of the passenger using a sensing device selected from the group consisting of a pressure plate switch and a piezoelectric sensor;
- wherein the master system and the pressure sensor are electrically interconnected;
- wherein a control circuit is an electrical circuit;
- wherein the control circuit is a programmable circuit;
- wherein the control circuit manages and regulates the operation of the master system;
- wherein the control circuit comprises a first logic module, a first communication module, a second communication module, a first GPS module, and a speaker;
- wherein the first logic module, the first communication module, the second communication module, the first GPS module, and the speaker are electrically interconnected;
- wherein the pressure plate switch of the pressure sensor and the first logic module of the control circuit are electrically interconnected using the cable;
- wherein a selected sensing device used in the pressure sensor is the pressure plate switch;
- wherein the speaker is a buzzer;
- wherein the first logic module receives a first set of GPS coordinates from the first GPS module;
- wherein the first logic module receives a second set of GPS coordinates from the personal data device;
- wherein the first logic module compares the first set of GPS coordinates and the second set of GPS coordinates to determine the span of the distance between the master system and the personal data device;
- wherein the first logic module transmits the first message to the personal data device using a wireless communication link selected from the group consisting of the first wireless communication link and the second wireless communication link when the span fo the distance between the master system and the personal data device is greater than the previously determined distance.