Artificial neural circuit apparatus

Details Artificial neural circuit apparatus Artificial neural circuit apparatus

G - Physics

06

N

G06N 3/063 (2006.01) G06F 15/40 (1990.01)

Patent

CA 2130983

ABSTRACT OF THE DISCLOSURE Disclosed is an artificial neural circuit using a pulse coding such as a stochastic pulse coding or a noise feedback pulse coding, the circuit comprising a synapse circuit section for producing and absorbing a current signal proportional to a weight voltage signal upon an externally applied current signal being supplied; a neuron body circuit section for spacio-temporally integrating output signal of the synapse circuit section to produce an analog voltage signal; and an axon hillock circuit for converting the analog voltage signal into a pulse train using a predetermined reference signal. The synapse circuit section including a first input terminal for receiving a first reference voltage; a second input terminal for receiving a second reference voltage; a third input terminal for receiving a third reference voltage; a fourth terminal for receiving the weight voltage signal; a first transistor having drain and source connected to the first reference voltage and a junction point, respectively, and gate connected to the fourth input terminal; a second transistor having drain and source connected to the junction point and the second input terminal, respectively, and gate connected to the third input terminal; and a third transistor having drain and source connected respectively to the junction point and an output terminal of the synapse circuit section, and gate connected to an input terminal for receiving the externally applied current signal.

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