Dual frequency transmitter
First Claim
1. A transmitter for heart rate monitoring, said transmitter having detection means for detecting a heart rate signal, and heart rate signal processing means for processing the detected heart rate signal into a processed signal, and transmitting means for transmitting a first radio signal having a frequency about 5 kHz and for transmitting a second radio signal at a frequency substantially greater than 5 kHz, said first and said second radio signals corresponding to said processed signal.
1 Assignment
0 Petitions
Accused Products
Abstract
A dual frequency transmitter, for use in remote monitoring of the heart rate of a living animal or human body, emits a first radio signal having a frequency of about 5 KHz and a second radio signal having a frequency substantially greater than 5 KHz. The dual frequency transmitter is preferably incorporated into personal property of the user, such as a wristwatch.
-
Citations
13 Claims
- 1. A transmitter for heart rate monitoring, said transmitter having detection means for detecting a heart rate signal, and heart rate signal processing means for processing the detected heart rate signal into a processed signal, and transmitting means for transmitting a first radio signal having a frequency about 5 kHz and for transmitting a second radio signal at a frequency substantially greater than 5 kHz, said first and said second radio signals corresponding to said processed signal.
- 9. A receiver for receiving first and second radio signals from a transmitter for heart rate monitoring, said first radio signal being about 5 kHz and said second radio signal being substantially greater than 5 kHz, said receiver having radio receiver means for receiving said first and second radio signals, and decoding means coupled to said receiving means for providing at least an output pulse for each correctly received signal.
Specification