


infrared cheek movement sensor for communication

Analogue signal processor for infrared cheek sensor (serialized)

infrared cheek movement sensor for communication

infrared cheek movement sensor for communication

USB hub for desktop computer

electronic parts for Hawking's wheelchair-mounted communications system

DECtalk synthesizer system

USB hub used for Wheelchair communication systems

digital signal processor for infrared cheek sensor

infrared cheek movement sensor for communication

Analogue signal processor for infrared cheek sensor (prototype)

Analogue signal processor for infrared cheek sensor (serialized)

infrared cheek movement sensor for communication

infrared cheek movement sensor for communication

Signal processor for infrared cheek sensor

Wheelchair programmer

Electronics to drive magnetometers (S24A1 and S24A2)

Signal processor for infrared cheek movement sensor
Record, replay and transfer electronics for 3 track
1962