Multi-purpose wireless communication device

• US 7,429,919 B2
• Filed: 09/16/2004
• Issued: 09/30/2008
• Est. Priority Date: 09/18/2003
• Status: Expired due to Fees

• Current Assignee: Silicon Constellations Incorporated
• Original Assignee: Silicon Constellations Incorporated
• Inventors: Silic, Bojan, Peddie, Timm
• Primary Examiner(s): Nguyen; Phung
• Application Number:
  US10/942,580
• Publication Number:
  US 20050104747A1
• Time in Patent Office: 1,475 Days
• Field of Search: 340/907, 340/944, 340/905, 340/916, 340/919, 340/925, 340/539.1, 340/555, 340/825.2, 340/825.69, 340/815.4, 340/384.1, 340/309.16
• US Class Current: 340/539.1
• CPC Class Codes: G08G 1/005 including pedestrian guidance indicator
• CPC Class Codes: G08G 1/095 Traffic lights
• CPC Class Codes: G08G 1/0962 having an indicator mounted inside the vehicle, e.g. giving voice messages

Abstract

A system, apparatus and methods are described that wirelessly communicate with its environment in response to stimuli generated locally within a communication device or within a remote activation device.

Claims

1. A system for delineating a crosswalk across a street, the system comprising:

at least one wireless communication device, that may be secured to a surface on the street and at an edge of the crosswalk, that communicates information about the crosswalk in response to an activation stimulus;

an activation device that transmits an activation command, over a wireless communication channel, to the at least one wireless communication device; and

wherein the wireless communication device comprises a rechargeable battery and photovoltaic cell.

2. The system of claim 1 wherein the wireless communication device has at least one light emitter that visually identifies an edge of the crosswalk.

3. The system of claim 2 wherein the at least one light emitter comprises a light emitting diode.

4. The system of claim 1 wherein the wireless communication device has at least one audio component that audibly communicates information about the crosswalk.

5. The system of claim 1 wherein the wireless communication device comprises at least one sensor provides data so that a threshold event may be identified and, in response, the wireless communication device is activated.

6. The system of claim 5 wherein the sensor is a light intensity sensor that senses an intensity of daylight.

7. The system of claim 5 wherein the sensor is a time-of-day sensor that includes a clock.

8. The system of claim 1 further comprising a configuration device that configures the wireless communication device and activation device.

9. A wireless communication device that can be securely mounted on a surface, comprising:

a housing having at least one surface that can be secured to a surface of a road;

an antenna that is configured to receive an activation command on a wireless communication channel;

a communication component that provides information to a surrounding environment;

a solar-powered rechargeable battery, coupled within the housing, that provides power to at least one component in the wireless communication device; and

digital logic, within the housing, that processes data received on the communication channel.

10. The wireless communication device of claim 9 further comprising at least one sensor.

11. The wireless communication device of claim 10 wherein the sensor is a daylight sensor that detects an intensity of daylight.

12. The wireless communication device of claim 10 wherein the sensor is a time-of-day sensor comprising a clock.

13. The wireless communication device of claim 9 further comprising a photovoltaic cell that recharges the rechargeable battery.

14. The wireless communication device of claim 9 wherein the communication component comprises at least one light emitter.

15. The wireless communication device method of claim 14 wherein the at least one light emitter comprises a light emitting diode.

16. The wireless communication device of claim 9 wherein the communication component comprises an audio emitter.

17. The wireless communication device of claim 9 further comprising a memory unit that stores information recorded by the wireless communication device.

18. A method for activating a wireless communication device, the method comprising:

receiving a request to activate for at least one wireless communication device that is attached to a road;

generating an activation command for the at least one wireless communication device;

broadcasting the activation command for the at least one wireless communication device over a wireless channel;

activating the at least one wireless communication device; and

wherein the wireless communication device comprises a rechargeable battery and photovoltaic cell.

19. The method of claim 18 wherein the at least one wireless communication device flashes lights after being activated.

20. The method of claim 19 wherein the lights on the at least one wireless communication device are synchronized.

21. The method of claim 18 wherein the at least one wireless communication device emits an audible signal after being activated.

22. A wireless communication device that can be securely mounted on a surface of a road, comprising:

wireless means for receiving an activation command on a communication channel;

means for providing information to a surrounding environment;

solar-powered means for locally providing power to at least one component in the wireless communication device from a rechargeable battery; and

means for processing data received on the communication channel.

23. The wireless communication device of claim 22 further comprising means for sensing a threshold event after which the wireless communication device is activated.

24. The wireless communication device of claim 22 further comprising means for recharging the rechargeable battery.

25. The wireless communication device of claim 22 wherein the means for providing information comprises at least one light emitter.

26. The wireless communication device of claim 22 wherein the means for providing information comprises an audio emitter.

27. The wireless communication device of claim 22 further comprising means for storing information recorded by the wireless communication device.