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Wireless inline-skate and skate board pulse watch with speed and heart rate monitoring

  • US 6,160,480 A
  • Filed: 09/24/1999
  • Issued: 12/12/2000
  • Est. Priority Date: 09/24/1999
  • Status: Expired due to Fees
First Claim
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1. A wireless inline skate or skate board pulse watch comprising:

  • a first transmitter installed on the inline skate, said first transmitter comprising a vibration switch moved with the inline skate or skate board to output a voltage signal corresponding to the user'"'"'s foot motion, a CPU for processing data from the vibration switch of said first transmitter with encoder switches S0, S1, S2 thereof into a communication code signal, and a modulation and transmitting circuit which modulates the communication code signal, and a modulation and transmitting circuit which modulates the communication code signal from the CPU of said first transmitter into a radio inline skate or skate board signal and then transmits the radio signal thus obtained into the air;

    a second transmitter secured to the user'"'"'s chest in front of the heart to detect the user'"'"'s heart rate, said second transmitter comprising a vibration switch vibrated with the beating of the user'"'"'s heart to output a voltage signal corresponding to the user'"'"'s heart rate, a CPU for processing data from the vibration switch of said second transmission with encoder switches S0, S1, S2 thereof into a communication code signal, and a modulation and transmitting circuit which modulates the communication code signal from the CPU of said second transmitter into a radio signal and then transmits the radio signal thus obtained into the air; and

    a timer and display unit worn on the user'"'"'s wrist, said timer and display unit comprising a receiving and demodulation circuit, which receives the radio signals from said first transmitter and second transmitter unit and modulates the received signals into corresponding inline skate/skate board/hear rate pulse signals, a quartz vibrator, which provides a clock signal, a CPU, which counts the number of inline skate/skate board/heart rate pulse signals from said receiving and demodulation circuit and controls the operation of said quartz oscillator to count time, a timer switch, which is controlled to reset the CPU of said timer and display unit, and a display having a first display screen controlled by the CPU of said timer and display unit to display the data of the inline signal and a second display screen controlled by the CPU of said timer and display unit to display the data of heart rate pulse.

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