System and method for communicating biological signal data

Details System and method for communicating biological signal data System and method for communicating biological signal data

2004-11-24

2009-06-16

Astorino, Michael C (Department: 3736)

Surgery

Diagnostic testing

C128S920000

Reexamination Certificate

active

07547280

ABSTRACT:
A measurement apparatus and a receiver apparatus are communicatively connected in a wireless manner. Biological signal data is obtained from a detector attached on a living body. A data packet is prepared from the biological signal data. A first CRC of the biological signal data is calculated and appended to the data packet. The data packet is periodically transmitted with the first CRC from the measurement apparatus to the receiver apparatus. A second CRC of the data packet received at the receiver apparatus is calculated. The received data packet is verified when the second CRC is coincident with the first CRC. Acknowledgement data is transmitted from the receiver apparatus to the measurement apparatus when the received data packet is verified. The data packet is retransmitted from the measurement apparatus to the receiver apparatus when the acknowledgement data is not received at the measurement apparatus within a prescribed time period from a previous transmission of the data packet. The data packet is stored in a storage when the number of retransmission exceeds a prescribed value.

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