Crash detection system comprising a microphone, first and second batteries, and first and second antennas and a method of operating the same

A method of operating a crash detection system for use with a vehicle, with the crash detection system comprising a first battery and a second battery, a computational system powered by one of the first and second batteries and comprising at least one processor and at least one non-transitory computer-readable medium including instructions, a first antenna and a second antenna both in electronic communication with the computational system and powered by one of the first and second batteries, a primary collision indication system comprising at least one of an accelerometer and a navigation system, with the primary collision indication system in communication with the computational system and configured to send primary signals to the computational system pertaining to the acceleration of vehicle, and a microphone powered by one of the first and second batteries and in electronic communication with the computational system, the method comprising:

• receiving sound waves continuously and in real time with the microphone;
• transmitting sound signals corresponding to the sound waves to the processor;
• monitoring properties of the sound waves within the sound signals with the processor;
• comparing the properties to thresholds stored in the at least one non-transitory computer-readable medium;
• determining that the vehicle has been involved in a collision when at least one of the properties crosses the respective threshold;
• detecting an acceleration of the vehicle with the primary collision indication system;
• sending primary signals to the computational system pertaining to the acceleration of vehicle;
• prioritizing the primary signals over the sound signals with the processor;
• monitoring the acceleration of the vehicle within the primary signals with the processor;
• determining when the primary signals are present with the processor;
• prioritizing the sound signals when the primary signals are not present with the processor;
• monitoring the properties of the sound waves within the sound signals with the processor;
• comparing the acceleration to an acceleration threshold stored in the at least one non-transitory computer-readable medium with the processor;
• determining that the vehicle has been involved in a collision when the acceleration crosses the respective acceleration threshold with the processor;
• communicating wirelessly with an external network with one of the first and second antennas when the acceleration crosses the respective acceleration threshold or when one of the properties of the sound wave crosses the respective threshold;
• and
• reporting the collision to the external network.

A method of operating a crash detection system for use with a vehicle, with the crash detection system comprising a first battery and a second battery, a computational system comprising at least one processor and at least one non-transitory computer-readable medium including instructions, a first antenna and a second antenna both in electronic communication with the computational system and powered by one of the first and second batteries, and a microphone in electronic communication with the computational system for receiving sound waves, wherein the microphone is further defined as an occupant microphone, with the sound waves comprising at least speech from an occupant of the vehicle and collision sounds, the method comprising:

• powering the first antenna, the primary collision indication system, the microphone, and the computational system with the first battery;
• losing continuity with the first battery;
• powering the first antenna, the microphone, and the computational system with the second battery;
• receiving the sound waves continuously and in real time with the microphone;
• adjusting a gain of the microphone to accommodate the sound waves by lowering the gain to receive the sound waves of the collision sounds and increasing the gain to receive the sound waves of the speech;
• transmitting sound signals corresponding to the sound waves to the processor;
• monitoring properties of the sound waves within the sound signals with the processor;
• comparing the properties to thresholds stored in the at least one non-transitory computer-readable medium;
• determining that the vehicle has been involved in a collision when at least one of the properties crosses the respective threshold;
• communicating wirelessly with an external network with the first antenna;
• and
• reporting the collision to the external network.