Patent US9072887

Self-adaptive bio-signal and modulation device
[+] Show Details

US9072887

1. A flexible sensor-effector circuit comprising: (6) (3)

a first flexible transistor having source and drain electrodes defining a first conductive path and a first gate electrode configured to control the conductivity of the first conductive path;

a second flexible transistor having source and drain electrodes defining a second conductive path and a second gate electrode configured to control the conductivity of the second conductive path; and

a transducer coupled to the drain electrode of the first transistor and to the gate electrode of the second transistor, wherein the first transistor is coupled to an effector circuit and the second transistor is coupled to a sensor circuit.

2. The flexible sensor-effector circuit according to claim 1, wherein the first and second transistors are organic field effect transistors. (0)

3. The flexible sensor-effector circuit according to claim 1, wherein the transducer includes a chemical sensor. (0)

4. The flexible sensor-effector circuit according to claim 1, wherein an organic semiconductor is formed over said source and drain electrodes and said source and drain electrodes have a self-assembled monolayer formed thereon. (0)

5. The flexible sensor-effector circuit according to claim 1, wherein said first flexible transistor and said second flexible transistor are ambipolar. (0)

6. The flexible sensor-effector circuit according to claim 1, wherein said source and drain electrodes are formed on a surface of a dielectric substrate. (0)

7. The flexible sensor-effector circuit according to claim 1, wherein said first flexible transistor and said second flexible transistor are encapsulated. (0)

8. An array of sensor-effector transducers, comprising: (1) (2)

a flexible substrate;

a plurality of flexible electrical sensor-effector circuits, each comprising: a first flexible transistor formed on the substrate having source and drain electrodes defining a first conductive path and a first gate electrode configured to control the conductivity of the first conductive path;

a second flexible transistor formed on the substrate having source and drain electrodes defining a second conductive path and a second gate electrode configured to control the conductivity of the second conductive path;

a sensor-effector transducer coupled to the drain electrode of the first transistor and to the gate electrode of the second transistor, wherein the first transistor is coupled to an effector circuit and the second transistor is coupled to a sensor circuit;

a flexible select transistor having a conductive path defined by a source electrode and a drain electrode and a select gate electrode configured to control the conductive path of the select transistor, wherein the source electrode of the select transistor is coupled to the sensor-effector transducer and the drain electrode of the select transistor is coupled to the drain electrode of the first transistor and to the gate electrode of the second transistor and wherein the gate electrode is coupled to a select signal and configured to control the conductive path of the select transistor in response to the select signal.

9. The array of sensor-effector transducers according to claim 8, further including a plurality of optical sensor circuits, each optical sensor circuit comprising: (1) (3)

a photosensor formed on the substrate;

a photo select transistor having a conductive path defined by a source electrode and a drain electrode and a gate electrode configured to control the conductive path of the photo select transistor in response to a control signal wherein the source electrode of the photo select transistor is coupled to the sensor-effector transducer and the drain electrode of the select transistor is coupled to the drain electrode of the first transistor and to the gate electrode of the second transistor and the gate electrode of the select transistor is coupled to a select signal; and

an amplifier coupled to the photosensor to provide an electrical signal corresponding to an amount of light received by the photosensor at an output terminal.

10. The array of sensor-effector transducers according to claim 9, further including a plurality of organic light-emitting diodes (OLEDs). (1) (0)

12. A sensor-effector system comprising: (4) (7)

an array of sensor-effector transducers for providing a plurality of sensed signals and for applying a plurality of effector signals;

input signal conditioning circuitry, coupled to the array of sensor-effector transducers for digitizing the plurality of sensed signals;

a processor coupled to the array of sensor-effector transducers for receiving the digitized signals, the processor including computer program instructions which cause the processor:

to process the plurality of signals to transform the plurality of digitized signals into multiple feature vectors;

to analyze the multiple feature vectors to identify patterns in the multiple feature vectors and to classify the identified patterns; and

to generate at least one response vector resulting from the recognized pattern; and

output signal conditioning circuitry, coupled to the processor to convert the response vector to at least one analog signal and to apply the at least analog signals as at least one of the plurality of effector signals applied to the array of sensor-effector transducers.

13. The sensor-effector system according to claim 12, wherein the array of sensor-effector transducers includes a plurality of sensor-effector electrodes configured to sense and apply electrical signals as the sensed signals and effector signals, respectively. (1) (0)

17. The sensor-effector system according to claim 12, wherein the input signal conditioning circuitry includes transform circuitry to transform the digitized signals from time-domain signals to frequency-domain signals. (1) (0)

19. The sensor-effector system according to claim 12, wherein the computer program instructions that cause the processor to analyze the multiple feature vectors to identify patterns in the multiple feature vectors and classify the identified patterns include at least one of: (0) (3)

20. The sensor-effector system according to claim 12, wherein: (0) (2)

View Abstract and Specification Size

PDF with Images and Document Face >

Full Text Publication >

Patent US9072887

Self-adaptive bio-signal and modulation device

Patent Matrix® Search