Lamp monitoring and control unit and method

• US 6,714,895 B2
• Filed: 09/23/2002
• Issued: 03/30/2004
• Est. Priority Date: 06/28/2000
• Status: Expired due to Term

• Current Assignee: Lightronics Incorporated
• Original Assignee: A.L. Air Data, Inc.
• Inventors: Williams, Larry, Jones, Hunter V., Young, Michael F.
• Primary Examiner(s): ASSOUAD, PATRICK J
• Application Number:
  US10/251,756
• Publication Number:
  US 20030020417A1
• Time in Patent Office: 554 Days
• Field of Search: 702/188, 340/870.01, 340/870.07, 340/870.16, 340/825.06, 455/422, 455/403, 455/423, 455/73, 315/129, 315/133, 315/134, 315/149, 315/307
• US Class Current: 702/188
• CPC Class Codes: H05B 47/175 by remote control
• CPC Class Codes: H05B 47/19 via wireless transmission
• CPC Class Codes: H05B 47/22 with communication between the lamps and a central unit

Abstract

A unit and method for remotely monitoring and/or controlling an apparatus and specifically for remotely monitoring and/or controlling street lamps. The lamp monitoring and control unit comprises a processing and sensing unit for sensing at least one lamp parameter of an associated lamp, and for processing the lamp parameter to monitor and control the associated lamp by outputting monitoring data and control information, and a transmit unit for transmitting the monitoring data, representing the at least one lamp parameter, from the processing and sensing unit. The method for monitoring and controlling a lamp comprises the steps of: sensing at least one lamp parameter of an associated lamp; processing the at least one lamp parameter to produce monitoring data and control information; transmitting the monitoring data; and applying the control information.

Claims

1. A lamp monitoring and control unit comprising:

a sensor configured to sense at least one lamp parameter of an associated lamp;

a processor configured to process the at least one lamp parameter and output monitoring data and control information; and

a transmitter configured to wirelessly transmit the monitoring data to a base station, representing said at least one lamp parameter, from said processor.

2. The lamp monitoring and control unit of claim 1, wherein the sensor comprises a light sensor for sensing an amount of ambient light, producing a light signal associated with the amount of ambient light, and outputting the light signal to said processor.

3. The lamp monitoring and control unit of claim 2, wherein the light signal from said light sensor is a threshold indication signal.

4. The lamp monitoring and control unit of claim 2, wherein said light sensor comprises a photo sensor and a light sensor circuit.

5. The lamp monitoring and control unit of claim 1, further comprising a standard three prong plug to couple the lamp monitoring and control unit to the associated lamp.

6. The lamp monitoring and control unit of claim 1, wherein said sensor receives a hot power line and a neutral power line and outputs a switched power line.

7. The lamp monitoring and control unit of claim 6, wherein the lamp monitoring and control unit is coupled to the associated lamp via a standard three prong plug which carries the hot power line, the switched power line, and the neutral power line.

8. The lamp monitoring and control unit of claim 6, wherein the sensor comprises a current sensor for sensing a switched current in the switched power line.

9. The lamp monitoring and control unit of claim 1, wherein said transmitter comprises a modulator and an antenna.

10. The lamp monitoring and control unit of claim 9, wherein said transmitter transmits signals in a frequency range of 218-219 MHz.

11. The lamp monitoring and control unit of claim 1, wherein the associated lamp is a street lamp mounted on a top of a lamp pole, and wherein the lamp monitoring unit is coupled to the lamp at the top of the lamp pole.

12. A method for monitoring and controlling a lamp, comprising:

sensing at least one lamp parameter of a lamp mounted on a lamp pole;

processing the at least one lamp parameter to produce monitoring data and control information; and

wirelessly transmitting the monitoring data to a base station.

13. The method of claim 12, wherein said sensing includes sensing an amount of ambient light, and wherein said step of processing includes producing a light signal associated with the amount of ambient light.

14. The method of claim 12, wherein said step of sensing comprises sensing an electrical current.

15. The method of claim 12, wherein said sensing comprises sensing an electrical voltage.

16. The method of claim 12, wherein the monitoring data is transmitted by a transmitter located substantially near a top of the lamp pole.

17. The method of claim 12, wherein said transmitting comprises transmitting a plurality of redundant transmissions.

18. The method of claim 17, wherein each of the plurality of redundant transmissions is transmitted on a pseudo-randomly selected frequency.

19. The method of claim 17, wherein each of the plurality of redundant transmissions is transmitted on a frequency based on a serial number of a transmitter.

20. A lamp monitoring and control unit comprising:

a sensor configured to sense at least one lamp parameter of an associated lamp;

a processor configured to process the at least one lamp parameter and output monitoring data and control information; and

a transmitter configured to wirelessly transmit the monitoring data from the processor within a frequency range of 218-219 MHz.