| 20100097891 | AUTO TUNE SONAR SYSTEM - In some embodiments, a sonar system may include one or more of the following features: (a) a microcontroller electronically coupled to a receiver, (b) a transmitter electronically coupled to the microcontroller and the receiver, (c) a transducer electronically coupled the transmitter and the receiver, the transmit frequency of the transmitter being auto tuned to a best echo frequency of the transducer, (d) a display electronically coupled to the microcontroller, and (e) a keyboard electronically coupled to the microcontroller. | 04-22-2010 |
