A recorder with a total weight of only 2.5 gram had to be developed with the following:
- 4 electrodes
- 500 samples/s per electrode for 36 hours
- Storage of the collected data on the equipment in a Flash memory
- IR-Receiver for the synchronisation of the EEG signals with special external events
- 2 zinc air (hearing aids) batteries with 100 mAh with 1.4 V.
Art of Technology developed the hard ware and software for the device and accompanied the manufacturing of several hundred pieces on behalf of the customer.