IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0827397
(2010-06-30)
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등록번호 |
US-8339069
(2012-12-25)
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발명자
/ 주소 |
- Chemel, Brian J.
- Piepgras, Colin
- Kondo, Steve T.
- Johnston, Scott D.
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출원인 / 주소 |
- Digital Lumens Incorporated
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대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
37 인용 특허 :
170 |
초록
▼
In embodiments of the present invention, a method and system is provided for designing improved intelligent, LED-based lighting systems. The LED based lighting systems may include fixtures with one or more of rotatable LED light bars, integrated sensors, onboard intelligence to receive signals from
In embodiments of the present invention, a method and system is provided for designing improved intelligent, LED-based lighting systems. The LED based lighting systems may include fixtures with one or more of rotatable LED light bars, integrated sensors, onboard intelligence to receive signals from the LED light bars and control the LED light bars, and a mesh network connectivity to other fixtures.
대표청구항
▼
1. A method to provide variable occupancy-based lighting of an environment at a plurality of light levels, including an active power output level and an inactive power output level, the method comprising: A) storing, in a memory, lighting parameters relating to the environment, wherein the lighting
1. A method to provide variable occupancy-based lighting of an environment at a plurality of light levels, including an active power output level and an inactive power output level, the method comprising: A) storing, in a memory, lighting parameters relating to the environment, wherein the lighting parameters include at least an active power output level parameter and an inactive power output level parameter;B) receiving occupancy data representing occupancy in the environment;C) controlling a lighting fixture to provide the variable occupancy-based lighting at the plurality of light levels, based at least in part on the occupancy data and/or the lighting parameters;D) measuring energy usage of the lighting fixture based at least in part on C); andE) logging, in the memory, a power measurement representing the energy usage measured in D). 2. The method of claim 1, wherein D) comprises performing a software measurement to determine the energy usage as a prediction based at least in part on one or more operating states of the lighting fixture. 3. The method of claim 1, further comprising: F) storing, in the memory, the occupancy data and related timelines, based on an output of a real-time clock, so as to maintain a database of historic data of lighting usage,wherein B) comprises:B1) controlling the lighting fixture to provide the variable occupancy-based lighting at the plurality of light levels, based at least in part on the occupancy data, at least some data in the database of historic data, and/or the lighting parameters. 4. The method of claim 3, wherein B1) comprises: controlling the lighting fixture based on the lighting parameters and the output of the real-time clock so as to provide the variable occupancy-based lighting based at least in part on a time-of-day. 5. The method of claim 3, further comprising: G) transmitting and/or receiving at least one of the lighting parameters, the power measurements, and at least some data in the database of historic data. 6. The method of claim 3, further comprising: H) generating, with the real-time clock, a clock output to facilitate tracking time-based operational modes associated with the lighting fixture. 7. The method of claim 6, wherein C) comprises: C1) controlling the lighting fixture based on the lighting parameters in the memory and the clock output so as to provide the variable occupancy-based lighting based at least in part on a time-of-day. 8. The method of claim 7, wherein F) further comprises: F1) recording the occupancy data and related timelines, based on the clock output, so as to maintain the database of historic data of lighting usage. 9. The method of claim 8, further comprising: I) transmitting and/or receiving at least some data in the database of historic data. 10. An apparatus to control a lighting fixture so as to provide variable occupancy-based lighting of an environment at a plurality of light levels, including an active power output level and an inactive power output level, the apparatus comprising: a memory to store lighting parameters, wherein the lighting parameters correspond to at least the active power output level and the inactive power output level;a data interface to receive occupancy data representing occupancy of the environment;a digital light agent controller, operably coupled to the memory and the data interface, to implement a state machine to analyze the occupancy data and to control the lighting fixture based on the lighting parameters in the memory so as to cause the lighting fixture to provide the variable occupancy-based lighting at the active power output level or the inactive power output level; anda meter circuit, operatively coupled to the digital light agent controller, to determine an energy usage by the lighting fixture,wherein the digital light agent controller logs, in the memory, one or more power measurements representing the energy usage determined by the meter circuit. 11. The apparatus of claim 10, wherein the data interface is configured to transmit, to at least one external device, one or more power measurements representing the energy usage determined by the meter circuit. 12. The apparatus of claim 10, wherein the meter circuit includes a hardware meter circuit to measure the energy usage. 13. The apparatus of claim 10, wherein the meter circuit performs a software measurement to determine the energy usage as a prediction based at least in part on one or more operating states of the lighting fixture. 14. The apparatus of claim 10, further comprising: a network interface configured to transmit, to at least one external device, one or more power measurements representing the energy usage determined by the meter circuit. 15. A system, comprising: the apparatus of claim 14; andthe at least one external device,wherein the at least one external device is a second apparatus according to claim 14. 16. The apparatus of claim 10, further comprising: an occupancy sensor, operably coupled to the data interface, to sense an occupancy state of the environment and to provide the occupancy data based on sensed occupancy. 17. The apparatus of claim 10, further comprising: a real-time clock, operatively coupled to the digital light agent controller and/or the meter circuit, to generate an output as a unit of time to facilitate tracking time-based operational modes associated with the lighting fixture. 18. The apparatus of claim 17, wherein, upon implementation of the state machine, the digital light agent controller controls the lighting fixture based on the lighting parameters in the memory and the output of the real-time clock so as to provide the variable occupancy-based lighting based at least in part on a time-of-day. 19. The apparatus of claim 17, wherein the digital light agent controller records in the memory the occupancy data and related timelines, based on the output of the real-time clock, so as to maintain a database of historic data of lighting usage. 20. The apparatus of claim 19, wherein, upon implementation of the state machine, the digital light agent controller controls the lighting fixture based on the lighting parameters in the memory and the database of historic data of lighting usage in the memory so as to provide the variable occupancy-based lighting. 21. The apparatus of claim 20, further comprising: a network interface, operatively coupled to at least the digital light agent controller, to transmit and/or receive at least one of the lighting parameters, the occupancy data, and the database of historic data. 22. The apparatus of claim 21, wherein the network interface further transmits to at least one external device the power measurements representing the energy usage determined by the meter circuit. 23. A system, comprising: the apparatus of claim 22; andthe at least one external device,wherein the at least one external device is a second apparatus according to claim 22. 24. An apparatus to control a lighting fixture so as to provide variable occupancy-based lighting of an environment at a plurality of light levels, including an active power output level and an inactive power output level, the apparatus comprising: an occupancy sensor to sense occupancy of the environment and to provide occupancy data based on the sensed occupancy;a memory to store lighting parameters and a database of historic data of occupancy and lighting usage, wherein the lighting parameters correspond to at least the active power output level and the inactive power output level;a digital light agent controller, operably coupled to the memory and the occupancy sensor, to implement a state machine to analyze the occupancy data and to control the lighting fixture based on the lighting parameters in the memory so as to cause the lighting fixture to provide the variable occupancy-based lighting at the active power output level or the inactive power output level;a meter circuit, operatively coupled to the digital light agent controller, to determine an energy usage by the lighting fixture; anda network interface, operatively coupled to at least one of the occupancy sensor, the memory, the digital light agent controller, and the meter circuit, to transmit and/or receive at least one of the lighting parameters, the occupancy data, and the historic data.
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