INDIVIDUALIZED CONTROL SYSTEM UTILIZING BIOMETRIC CHARACTERISTIC

• US 20170076521A1
• Filed: 11/04/2016
• Published: 03/16/2017
• Est. Priority Date: 07/08/2014
• Status: Active Grant

• Current Assignee: PixArt Imaging Incorporated
• Original Assignee: PixArt Imaging Incorporated
• Inventors: CHUANG, Chih-Yuan, TSAI, Cheng-Nan, CHANG, Yen-Min
• Granted Patent: US 9,818,245 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G07C 9/00896 specially adapted for particular uses
• CPC Class Codes: G07C 9/25 using biometric data, e.g. fingerprints, iris scans or voice recognition
• CPC Class Codes: G07C 9/257 electronically G07C9/26 takes precedence
• CPC Class Codes: G07C 9/26 using a biometric sensor integrated in the pass

Abstract

A control system including a detection device and a control host is provided. The detection device is configured to detect a biometric characteristic to accordingly identify a user ID, and output an ID signal according to the user ID. The control host is configured to receive the ID signal to accordingly perform an individualized control associated with the user ID.

Claims

1. An individualized control system for controlling a smart parking lot which comprises a plurality of illumination lights arranged corresponding to a plurality of parking spaces and passways, the individualized control system comprising:

a detection device configured to detect a second derivative of photoplethysmogram (SDPPG) to identify a user ID according to the SDPPG, and output an ID signal according to the identified user ID, wherein the detection device comprises a biometric detection module comprising;

a substrate;

a light source module electrically coupled to the substrate and configured to emit infrared light to illuminate a skin surface;

a detection region electrically coupled to the substrate through a plurality of contact points and configured to detect penetrating light emitted from the light source module for illuminating the skin surface and passing through body tissues to correspondingly generate an infrared light signal; and

a control module electrically coupled to the light source module via the substrate to control the light source module, electrically coupled to the contact points via the substrate to receive the infrared light signal from the detection region, and configured to calculate the SDPPG according to the infrared light signal;

a database configured to previously store information of a specific parking space and a passway to the specific parking space respectively associated with each of a plurality of user IDs; and

a control host configured to

receive the ID signal corresponding to the identified user ID from the detection device,

control the illumination lights in areas of the specific parking space and the passway associated with the received ID signal to turn on, and

control the rest illumination lights among the plurality of illumination lights to turn off.

2. The individualized control system as claimed in claim 1, wherein the detection device is a portable device.

3. The individualized control system as claimed in claim 1, wherein the detection device is consisted of a wearable accessory and a portable device.

4. The individualized control system as claimed in claim 3, wherein the wearable accessory and the portable device are coupled through Bluetooth communication.

5. The individualized control system as claimed in claim 1, wherein the biometric detection module further comprises:

an abrasion resistant layer covered on the detection region and having an upper surface, wherein a thickness of the abrasion resistant layer is smaller than 100 micrometers.

6. The individualized control system as claimed in claim 1, wherein the detection device is further configured to detect heart rate variability and identify the user ID according to the heart rate variability.

7. The individualized control system as claimed in claim 1, wherein the detection device further comprises a wireless output interface configured to output the ID signal to the control host.

8. An individualized control system comprising:

a detection device configured to detect a second derivative of photoplethysmogram (SDPPG), identify a user ID according to characteristic coding of the SDPPG, and output an ID signal according to the identified user ID, wherein the characteristic coding of the SDPPG comprises at least one time difference and at least one amplitude difference between time-domain signal peaks of the SDPPG,

the detection device comprises a biometric detection module comprising;

a substrate;

a light source module electrically coupled to the substrate and configured to emit infrared light to illuminate a skin surface;

a detection region electrically coupled to the substrate through a plurality of contact points and configured to detect penetrating light emitted from the light source module for illuminating the skin surface and passing through body tissues to correspondingly generate an infrared light signal; and

a control module electrically coupled to the light source module via the substrate to control the light source module, electrically coupled to the contact points via the substrate to receive the infrared light signal from the detection region, and configured to calculate the SDPPG according to the infrared light signal; and

a control host configured to receive the ID signal corresponding to the identified user ID to accordingly perform an individualized control associated with the user ID.

9. The individualized control system as claimed in claim 8, wherein one of the time-domain signal peaks is a maximum peak within one of repeatedly successive second derivative of photoplethysmograms calculated by the control module.

10. The individualized control system as claimed in claim 8, wherein the characteristic coding further comprises at least one frequency difference and at least one intensity difference between frequency-domain signal peaks of the SDPPG.

11. The individualized control system as claimed in claim 8, wherein the individualized control associated with the user ID comprises at least one of a home appliance control, a power system control, a vehicle device control, a security system control and a warning device control.

12. The individualized control system as claimed in claim 8, wherein the detection device comprises a wearable accessory and a portable device,

the wearable accessory is configured to detect the infrared light signal, and

the portable device is configured to generate the SDPPG according to the infrared light signal wirelessly received from the wearable accessory.

13. The individualized control system as claimed in claim 8, wherein the detection device is further configured to detect heart rate variability and identify the user ID according to the heart rate variability.

14. An individualized control system comprising:

a bracelet configured to detect a first biometric signal, wherein the bracelet comprises a biometric detection module comprising;

a substrate;

a light source module electrically coupled to the substrate and configured to emit infrared light to illuminate a skin surface;

a detection region electrically coupled to the substrate through a plurality of contact points and configured to detect penetrating light emitted from the light source module for illuminating the skin surface and passing through body tissues to correspondingly generate an infrared light signal; and

a control module electrically coupled to the light source module via the substrate to control the light source module, electrically coupled to the contact points via the substrate to receive the infrared light signal from the detection region, and configured to calculate the first biometric signal according to the infrared light signal;

a portable device configured to generate a second derivative of photoplethysmogram (SDPPG) according to the first biometric signal received from the bracelet, compare characteristic coding of the SDPPG with pre-stored characteristic coding of SDPPG to identify a user ID and output an ID signal according to the identified user ID, wherein the characteristic coding of the SDPPG comprises at least one time difference and at least one amplitude difference between time-domain signal peaks of the SDPPG; and

a control host configured to receive the ID signal corresponding to the identified user ID to accordingly perform an individualized control associated with the user ID.

15. The individualized control system as claimed in claim 14, wherein one of the time-domain signal peaks is a maximum peak within one of repeatedly successive second derivative of photoplethysmograms generated by the portable device.

16. The individualized control system as claimed in claim 14, wherein the characteristic coding further comprises at least one frequency difference and at least one intensity difference between frequency-domain signal peaks of the SDPPG.

17. The individualized control system as claimed in claim 14, wherein the portable device is further configured to detect a second biometric signal different from the first biometric signal, and generate the SDPPG according to the first biometric signal and the second biometric signal.

18. The individualized control system as claimed in claim 14, wherein the biometric detection module further comprises:

an abrasion resistant layer covered on the detection region and having an upper surface, wherein a thickness of the abrasion resistant layer is smaller than 100 micrometers.

19. The individualized control system as claimed in claim 14, wherein the individualized control comprises at least one of a home appliance control, a power system control, a vehicle device control, a security system control and a warning device control.