WO1998020520B1 - Light producing device and control thereof - Google Patents
Light producing device and control thereofInfo
- Publication number
- WO1998020520B1 WO1998020520B1 PCT/NZ1997/000151 NZ9700151W WO9820520B1 WO 1998020520 B1 WO1998020520 B1 WO 1998020520B1 NZ 9700151 W NZ9700151 W NZ 9700151W WO 9820520 B1 WO9820520 B1 WO 9820520B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light source
- light
- control system
- sensor
- current
- Prior art date
Links
- 230000004913 activation Effects 0.000 claims 2
- 230000003213 activating Effects 0.000 claims 1
- 230000003321 amplification Effects 0.000 claims 1
- 230000001419 dependent Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000037361 pathway Effects 0.000 claims 1
Abstract
The present invention relates to a light source which includes two individual light elements, wherein the light elements are configured to be operated independently from any other elements incorporated into the light source. Provision is also made for control circuitry associated with the light source, which may control the operation of the light source dependant on a sensed environmental condition.
Claims
1. A light source which includes at least two individual light elements characterised in that a light element is configured to be operated independently from other light elements incorporated in the light source,
and a control system which activates one or more light elements dependent on a signal received from at least one sensor, said sensor capable of sensing an environmental condition.
2. A light source as claimed in claim 1 configured as a light bulb.
3. A light source as claimed in claim 2 wherein a light element is a filament.
4. A light source as claimed in any one of claims 1 to 3 wherein each light element is configured to produce a different amount of light than any other light element when activated.
5. A light source as claimed in any one of claims 1 to 4 which contains at least one light element configured to produce a lesser amount of light than other light elements incorporated into the light source.
6. A light source as claimed in any one of claims 1 to 5 which includes a housing formed from high temperature and impact resistant plastic.
7. A control system adapted to operate a light source as claimed in any one of claims 1 to 6 wherein the control system activates any one of the light elements of the light source independently from any other light element of the light source.
8. A control system as claimed in claim 7 wherein the environmental condition sensed by an associated sensor is the light level in a region.
9. A control system as claimed in claim 7 wherein the environmental condition sensed by an associated sensor is movement of an object in a region.
10. A control system as claimed in claim 7 wherein the environmental condition sensed by an associated sensor is triggering of at least one control switch by the user of the control system.
11. A control system as claimed in claim 10 wherein the triggering of a control switch causes the control system to operate the light source dependant on sensing a second environmental condition, said second environmental condition being selected from any one of the environmental conditions claimed in claims 8 to 10.
12. A control system as claimed in any one of claims 7 to 11 which includes a microprocessor capable of receiving a signal from at least one associated sensor and operating a light source dependant on the signal received.
13. A control system as claimed in claim 12 and associated with a sensor as claimed in claim 8 wherein the micro-processor filters out light source components from the received sensor signal.
14. A control system as claimed in claim 13 wherein the micro-processor filters out light source components from the received sensor signal by reducing amplification of the signal proportional to the amount of light being produced by the light source.
15. A control system as claimed in claim 13 wherein the micro-processor filters out light source components by measuring the sensor signal before the light source is activated, and after the light source is activated, then subtracting the difference between the two measurements from the signal received from an associated sensor.
16. A sensor associated with a control system as claimed in any one of claims 7 to 15 wherein the sensor is incorporated into a light source.
17. A sensor as claimed in claim 16 wherein the sensor includes at least one shield which prevents the sensor from sensing changes in an environmental condition caused by activation of the light source.
18. A current management system adapted to control electrical current supplied to a light source as claimed in any one of claims 1 to 6.
19. A current management system as claimed in claim 18 wherein the current management system is incorporated into a control system as claimed in any one of claims 7 to 15.
20. A current management system as claimed in any one of claims 18 or 19 which incorporates a device to supply current to a light source,
wherein the resistance of said device reduces after approximately one second of current flowing through the device.
21. A current management system as claimed in claim 20 wherein the system includes a negative temperature coefficient resister to supply current to a light source.
22. A current management system as claimed in any one of claims 18 to 21 which incorporates a thermal switch configured to supply an initial level of electrical current when the temperature of a light element is sensed to be at one value,
and configured to supply a second higher level of electrical current when the temperature of the same light element is sensed to be at a second value.
23. A current management system as claimed in claim 22 wherein the thermal switch is a bimetallic strip.
24. A current management system as claimed in any one of claims 18 to 23 which incorporates a resistor connected in series with a light element to supply electrical current to a light source.
25. A current management system as claimed in claim 24 which includes a switching device to disconnect the resistor from the light source after approximately one second to supply current to the light source through a lower resistance pathway.
26. A current management system as claimed in any one of claims 18 to 25 which incorporates switching devices to connect two or more light elements in series when current is first supplied to the light elements,
then in parallel after approximately one second.
27. A method of operating a light source which incorporates two or more light elements capable of activation independent from each other, wherein said light source is associated with a control system,
the method of operating the light source characterised by the step of the control system independently activating each light element dependant on a sensed environmental condition.
28. A method of operating a light source substantially as herein described with reference to and as illustrated by the accompanying examples and/or drawings.
29. A light source substantially as herein described with reference to and as illustrated by the accompanying examples and/or drawings.
30. A control system substantially as herein described with reference to and as illustrated by the accompanying examples and/or drawings.
31. A sensor substantially as herein described with reference to and as illustrated by the accompanying examples and/or drawings.
32. A current management system substantially as herein described with reference to and as illustrated by the accompanying examples and/or drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU49711/97A AU4971197A (en) | 1996-11-01 | 1997-10-31 | Light producing device and control thereof |
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NZ299678 | 1996-11-01 | ||
| NZ29967896 | 1996-11-01 | ||
| NZ299777 | 1996-11-18 | ||
| NZ29977796 | 1996-11-18 | ||
| NZ31449397 | 1997-03-26 | ||
| NZ314493 | 1997-03-26 | ||
| NZ314832 | 1997-05-16 | ||
| NZ31483297 | 1997-05-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1998020520A1 WO1998020520A1 (en) | 1998-05-14 |
| WO1998020520B1 true WO1998020520B1 (en) | 1998-06-18 |
Family
ID=27484357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/NZ1997/000151 WO1998020520A1 (en) | 1996-11-01 | 1997-10-31 | Light producing device and control thereof |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU4971197A (en) |
| WO (1) | WO1998020520A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1058803Y (en) * | 2004-07-08 | 2005-06-01 | Sendin Maximino Fernandez | BULB OR LIGHT FOCUS MULTIFILAMENT AUTOMATIC CHANGE. |
| CN2842724Y (en) * | 2005-04-28 | 2006-11-29 | 飞利浦(中国)投资有限公司 | Halogen-tungsten lamp |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4080548A (en) * | 1976-01-19 | 1978-03-21 | Precision Controls, Inc. | Lighting system having dimming capabilities |
| GB8829226D0 (en) * | 1988-12-15 | 1989-01-25 | J & G Coughtrie Limited | Lighting device |
| CH683383A5 (en) * | 1992-03-31 | 1994-02-28 | Knobel Lichttech | A method and circuit arrangement for turning on and off the artificial light sources in a room, depending on the prevailing in the room lighting levels. |
| US5406173A (en) * | 1993-12-10 | 1995-04-11 | The Watt Stopper | Apparatus and method for adjusting lights according to the level of ambient light |
| DE19525624A1 (en) * | 1994-07-30 | 1996-02-01 | Schiller Christa | Compact fluorescent lamp, esp. with threaded base of type E27 or E14 |
-
1997
- 1997-10-31 AU AU49711/97A patent/AU4971197A/en not_active Abandoned
- 1997-10-31 WO PCT/NZ1997/000151 patent/WO1998020520A1/en active Application Filing
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