EP2996443A1 - Circuit for changing load operation using temporary power-off means - Google Patents
Circuit for changing load operation using temporary power-off means Download PDFInfo
- Publication number
- EP2996443A1 EP2996443A1 EP14184768.1A EP14184768A EP2996443A1 EP 2996443 A1 EP2996443 A1 EP 2996443A1 EP 14184768 A EP14184768 A EP 14184768A EP 2996443 A1 EP2996443 A1 EP 2996443A1
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- EP
- European Patent Office
- Prior art keywords
- power
- mcu
- microprocessor
- circuit
- load
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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- 238000001514 detection method Methods 0.000 claims abstract description 23
- 239000003990 capacitor Substances 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004353 relayed correlation spectroscopy Methods 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/185—Controlling the light source by remote control via power line carrier transmission
Definitions
- the present invention relates to a circuit for changing load operation using temporary power-off means, particular to a circuit for manipulating the function of each load using temporary power-off means.
- an electronic appliance with remote control has a remote control signal receiving circuit for receiving a remote control signal to change the operation of the electronic appliance to a specific function according to the remote control signal.
- the present invention is made based on the previous accumulated experiences and technology, through continuous research, experiments and improvement, to devise a new circuit for changing load operation using temporary power-off means to address the deficiency in the art.
- the present invention is provided with a power-off detection circuit which is connected to a microprocessor (MCU) and a power source.
- the microprocessor (MCU) is further connected to at least one load driving circuit.
- a load appliance is mounted on each of the load driving circuits.
- a switch is provided between the power-off detection circuit and the power source.
- a program is installed in the microprocessor (MCU) for controlling each load appliance. During operation, the switch can be shortly turned on/off and the power is restored immediately after the power source is temporarily powered off, such that the power-off detection circuit can detect a temporary power-off signal and send the signal to the microprocessor (MCU).
- the program to control each of the load appliances in the microprocessor manipulates each load appliance for performing another operation (function). Accordingly, a variety of operations/functions regarding remote control of each load appliance can be performed by temporarily turning on/off the switch.
- the present invention is directed to a "circuit for changing load operation using temporary power-off means".
- FIG. 1 shows a power-off detection circuit 11 that is connected to a microprocessor (MCU) 12 and a power source 13 (DC or AC system power supply).
- the microprocessor (MCU) 12 is connected to at least one load driving circuit 14.
- a load appliance 15 (in the present invention, the load appliance may be bulbs, LED lanterns, electric curtains, fans, etc.) is mounted on each of the load driving circuits 14.
- a switch 16 is provided between the power-off detection circuit 11 and the power source 13.
- the microprocessor (MCU) 12 has a program for controlling each of the load appliances.
- the switch 16 can be temporarily turned on/off, such that the power source 13 can be restored immediately after temporary power-off and the power-off detection circuit 11 can detect a temporary power-off signal of the power source 13and send the signal to the microprocessor (MCU) 12.
- the program for controlling each said load appliance 15 in the microprocessor (MCU) 12 controls each load appliance 15 for performing another operation (function), for example, LED lights set from original monochrome display to multicolor marquee. Accordingly, various operations and functions regarding the remote control of each load appliance can be performed by temporarily turning on/off the switch.
- a built-in power supply circuit 17 is provided between the power-off detection circuit 11 and microprocessor (MCU) 12.
- the built-in power supply circuit 17 is connected to the power-off detection circuit 11 and the microprocessor (MCU) 12.
- the switch 16 When the switch 16 is shortly turned on/off, the power source 13 will be temporarily powered off and then powered on immediately, and the microprocessor (MCU) enters Low Power Consumption mode during power outage, while the built-in power supply circuit supplying power to the microprocessor (MCU) to keep it working normally.
- the power source 13 can be either a DC or AC system power supply.
- the power-off detection circuit 11 may be a comparator 22 for detecting a waveform 23 after the DC system power supply 21 is powered off and sending the temporary power-off signal to the microprocessor (MCU) 12 based on the waveform 23, such that the microprocessor (MCU) 12 utilizes the program controlling each load appliance to manipulate each load appliance 15 to perform another operation (function) according to the temporary power-off signal.
- the waveform of the DC system power supply 21 is a high potential DC waveform; after power-off, the waveform changes to a no-potential waveform 23.
- the power source 13 can be either a DC or AC system power supply.
- the power-off detection circuit 11 can be a transformation element 32 which is connected in parallel with a zener diode 33 to detect the waveform 34 after the AC system power supply 31 is powered off and sends the temporary power-off signal to the microprocessor (MCU) 12 according to the waveform 34, such that the program for controlling each load appliance in the microprocessor (MCU) 12 manipulates each of the load appliances 15 to perform another operation (function).
- the waveform with regards to the AC system power supply 31 is a square waveform or a sinusoidal waveform; after power-off, the waveform changes to a no-potential waveform.
- the power source 13 can be either a DC or AC system power supply.
- the built-in power supply circuit 17 consists of a DC to AC converter 171 connected in series with a diode D1 and two capacitors C1, C2 connected in parallel.
- the two capacitors C1, C2 can store electrical energy before power-off.
- the switch 16 is shortly turned on/off, the power source 13 will be temporarily powered off and then powered on immediately.
- the two capacitors can provide the whole electricity stored before power-off to the microprocessor (MCU) to keep it working normally.
- MCU microprocessor
- the reverse power flow into the AC system power supply 31 can be avoided by using the diode D1 to limit the electricity of the two capacitors C1, C2 to flow into the microprocessor (MCU) 12 in one way, such that the microprocessor (MCU) 12 cannot be supplied with power.
- the power source 13 can be either a DC or AC system power supply.
- the built-in power supply circuit 17 consists of an AC to DC converter 173 (connected in series with a diode D1 and connected in parallel with the two capacitors C1, C2.
- the two capacitors C1 and C2 can store electrical energy before power off.
- the switch 16 is shortly turned on/off, the power source 1 will be temporarily powered off and then powered on immediately.
- the two capacitors can provide the whole electricity stored before power-off to the microprocessor (MCU) to keep it working normally.
- MCU microprocessor
- the two capacitors C1, C2 are supplied with power, through one-way limit by the diode D1 to limit the electricity of the two capacitors C1, C2 to flow into the microprocessor (MCU) 12 in one way, this can avoid the reverse power flow into the AC system power supply 31 such that the microprocessor (MCU) 12 cannot be supplied with power.
- FIGS. 1 and 6 there is one or a plurality of load driving circuits 14.
- a load appliance 15 is mounted on each of the load driving circuits 14.
- the program to control each load appliance in the microprocessor (MCU) 12 manipulates each load appliance 15 to perform another operation (function). Accordingly, various operations or functions regarding the remote control of each load appliance can be performed by temporarily turning on/off the switch 16.
- the load driving circuit 14 when the load appliance 15 is a LED light set, the load driving circuit 14 is RELAY, BJT, or MOS; when the load appliance 15 is an impedance load (e.g. incandescent light bulbs, electric resistance), the load driving circuit 14 is RELAY, SCR, or TRIAC; when the load appliance 15 is a fluorescent lamp, the load driving circuit 14 is fluorescent lamp ballast (including electronic switch); when the load appliance 15 is a motor, the load driving circuit 14 is a motor drive circuit (including electronic switch).
- an impedance load e.g. incandescent light bulbs, electric resistance
- the load driving circuit 14 when the load appliance 15 is a fluorescent lamp, the load driving circuit 14 is fluorescent lamp ballast (including electronic switch); when the load appliance 15 is a motor, the load driving circuit 14 is a motor drive circuit (including electronic switch).
- the microprocessor (MCU) 12 is processed according to the following steps:
- step (3) determines if a power-off signal is detected? If yes, proceed with step (3); otherwise, perform step (2).
- the circuit for changing load operation using temporary power-off means in the present invention indeed has an unprecedented innovation structure and is not made in public, and thus has novelty without doubts.
- the present invention has the unique feature and function that is different from the conventional technology, and thus is compliable with the provisions of the Patent Law. Accordingly, the patent application is filed.
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A circuit for changing load operation using temporary power-off means having a power-off detection circuit with input end connected to a power source and its output end is connected to a microprocessor (MCU) connected to at least one load driving circuit. A load appliance is mounted on each of the load driving circuits. The microprocessor (MCU) has a program controlling each load appliance. During operation, the power is restored immediately after the power source is temporarily powered off, such that the power-off detection circuit detects a temporary turned-off signal and sends the signal to the microprocessor (MCU). Accordingly, the program to control each of the load appliances in the microprocessor (MCU) manipulates each load appliance for performing another operation or function.
Description
- The present invention relates to a circuit for changing load operation using temporary power-off means, particular to a circuit for manipulating the function of each load using temporary power-off means.
- Generally, an electronic appliance with remote control has a remote control signal receiving circuit for receiving a remote control signal to change the operation of the electronic appliance to a specific function according to the remote control signal.
- Although it is convenient to use remote control to manipulate an electronic appliance, the remote control gets lost easily and needs to install the battery, which causes inconvenience.
- In view of the foregoing disadvantages in the art, the present invention is made based on the previous accumulated experiences and technology, through continuous research, experiments and improvement, to devise a new circuit for changing load operation using temporary power-off means to address the deficiency in the art.
- It is an objective of the present invention to provide a circuit for changing the load operation using temporary power-off means to manipulate the function of each load with the temporary power-off means.
- In accordance with the above objective, the present invention is provided with a power-off detection circuit which is connected to a microprocessor (MCU) and a power source. The microprocessor (MCU) is further connected to at least one load driving circuit. A load appliance is mounted on each of the load driving circuits. Also, a switch is provided between the power-off detection circuit and the power source. A program is installed in the microprocessor (MCU) for controlling each load appliance. During operation, the switch can be shortly turned on/off and the power is restored immediately after the power source is temporarily powered off, such that the power-off detection circuit can detect a temporary power-off signal and send the signal to the microprocessor (MCU). According to the signal, the program to control each of the load appliances in the microprocessor (MCU) manipulates each load appliance for performing another operation (function). Accordingly, a variety of operations/functions regarding remote control of each load appliance can be performed by temporarily turning on/off the switch.
- The objective, shape, structure, characteristics, and efficacy of the present invention will become more apparent by describing in detail the embodiments thereof with reference to the attached drawings of which:
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FIG. 1 shows a major circuit diagram according to the present invention; -
FIG. 2 shows a power-off detection circuit according to the present invention; -
FIG. 3 shows another power-off detection circuit according to the present invention; -
FIG. 4 shows a circuit diagram of a power source according to the present invention; -
FIG. 5 shows another circuit diagram of the power source according to the present invention; -
FIG. 6 shows a load driving circuit diagram according to the present invention; -
FIG. 7 is a flowchart showing the operation of the present invention. - The present invention is directed to a "circuit for changing load operation using temporary power-off means". Please refer to
FIG. 1 , which shows a power-offdetection circuit 11 that is connected to a microprocessor (MCU) 12 and a power source 13 (DC or AC system power supply). The microprocessor (MCU) 12 is connected to at least oneload driving circuit 14. A load appliance 15 (in the present invention, the load appliance may be bulbs, LED lanterns, electric curtains, fans, etc.) is mounted on each of theload driving circuits 14. Also, aswitch 16 is provided between the power-offdetection circuit 11 and thepower source 13. The microprocessor (MCU) 12 has a program for controlling each of the load appliances. - During operation, the
switch 16 can be temporarily turned on/off, such that thepower source 13 can be restored immediately after temporary power-off and the power-offdetection circuit 11 can detect a temporary power-off signal of the power source 13and send the signal to the microprocessor (MCU) 12. According to the signal, the program for controlling each saidload appliance 15 in the microprocessor (MCU) 12 controls eachload appliance 15 for performing another operation (function), for example, LED lights set from original monochrome display to multicolor marquee. Accordingly, various operations and functions regarding the remote control of each load appliance can be performed by temporarily turning on/off the switch. - Refer to
FIG. 1 again, a built-inpower supply circuit 17 is provided between the power-offdetection circuit 11 and microprocessor (MCU) 12. The built-inpower supply circuit 17 is connected to the power-offdetection circuit 11 and the microprocessor (MCU) 12. When theswitch 16 is shortly turned on/off, thepower source 13 will be temporarily powered off and then powered on immediately, and the microprocessor (MCU) enters Low Power Consumption mode during power outage, while the built-in power supply circuit supplying power to the microprocessor (MCU) to keep it working normally. - Please refer to
FIGS. 1 and2 , where thepower source 13 can be either a DC or AC system power supply. When served as aDC power source 21, the power-offdetection circuit 11 may be acomparator 22 for detecting awaveform 23 after the DCsystem power supply 21 is powered off and sending the temporary power-off signal to the microprocessor (MCU) 12 based on thewaveform 23, such that the microprocessor (MCU) 12 utilizes the program controlling each load appliance to manipulate eachload appliance 15 to perform another operation (function) according to the temporary power-off signal. As shown inFIG. 2 , before power-off, the waveform of the DCsystem power supply 21 is a high potential DC waveform; after power-off, the waveform changes to a no-potential waveform 23. - Please refer to
FIGS. 1 and3 , where thepower source 13 can be either a DC or AC system power supply. When served as an ACsystem power supply 31, the power-offdetection circuit 11 can be atransformation element 32 which is connected in parallel with azener diode 33 to detect thewaveform 34 after the ACsystem power supply 31 is powered off and sends the temporary power-off signal to the microprocessor (MCU) 12 according to thewaveform 34, such that the program for controlling each load appliance in the microprocessor (MCU) 12 manipulates each of theload appliances 15 to perform another operation (function). As shown inFIG. 3 , before power-off, the waveform with regards to the ACsystem power supply 31 is a square waveform or a sinusoidal waveform; after power-off, the waveform changes to a no-potential waveform. - Please refer to
FIG. 1 and4 , where thepower source 13 can be either a DC or AC system power supply. When served as a DCsystem power supply 21, the built-inpower supply circuit 17 consists of a DC toAC converter 171 connected in series with a diode D1 and two capacitors C1, C2 connected in parallel. The two capacitors C1, C2 can store electrical energy before power-off. When theswitch 16 is shortly turned on/off, thepower source 13 will be temporarily powered off and then powered on immediately. During power outage, due to the unidirectional conduction characteristics of the diode, the two capacitors can provide the whole electricity stored before power-off to the microprocessor (MCU) to keep it working normally. Also, in the case that the two capacitors C1, C2 are supplied with power, the reverse power flow into the ACsystem power supply 31 can be avoided by using the diode D1 to limit the electricity of the two capacitors C1, C2 to flow into the microprocessor (MCU) 12 in one way, such that the microprocessor (MCU) 12 cannot be supplied with power. - Please refer to
FIGS. 1 and5 , where thepower source 13 can be either a DC or AC system power supply. When served as an ACsystem power supply 31, the built-inpower supply circuit 17 consists of an AC to DC converter 173 (connected in series with a diode D1 and connected in parallel with the two capacitors C1, C2. The two capacitors C1 and C2 can store electrical energy before power off. When theswitch 16 is shortly turned on/off, the power source 1 will be temporarily powered off and then powered on immediately. During power outage, due to the unidirectional conduction characteristics of the diode, the two capacitors can provide the whole electricity stored before power-off to the microprocessor (MCU) to keep it working normally. Also, in the case that the two capacitors C1, C2 are supplied with power, through one-way limit by the diode D1 to limit the electricity of the two capacitors C1, C2 to flow into the microprocessor (MCU) 12 in one way, this can avoid the reverse power flow into the ACsystem power supply 31 such that the microprocessor (MCU) 12 cannot be supplied with power. - Please refer to
FIGS. 1 and6 , there is one or a plurality ofload driving circuits 14. Aload appliance 15 is mounted on each of theload driving circuits 14. According to the temporary power-off signal, the program to control each load appliance in the microprocessor (MCU) 12 manipulates eachload appliance 15 to perform another operation (function). Accordingly, various operations or functions regarding the remote control of each load appliance can be performed by temporarily turning on/off theswitch 16. - Refer to
FIGS. 1 and6 again, when theload appliance 15 is a LED light set, theload driving circuit 14 is RELAY, BJT, or MOS; when theload appliance 15 is an impedance load (e.g. incandescent light bulbs, electric resistance), theload driving circuit 14 is RELAY, SCR, or TRIAC; when theload appliance 15 is a fluorescent lamp, theload driving circuit 14 is fluorescent lamp ballast (including electronic switch); when theload appliance 15 is a motor, theload driving circuit 14 is a motor drive circuit (including electronic switch). - Please refer to
FIG. 7 , when theswitch 16 is shortly turned on/off for various operations/functions regarding remote control of each load appliance, the microprocessor (MCU) 12 is processed according to the following steps: - First, initialize the program.
- Then, determine if a power-off signal is detected? If yes, proceed with step (3); otherwise, perform step (2).
- Next, execute the preset program for controlling the
load appliance 15 to change the load operation function; then perform step (2). - As described above, the circuit for changing load operation using temporary power-off means in the present invention indeed has an unprecedented innovation structure and is not made in public, and thus has novelty without doubts. Also, the present invention has the unique feature and function that is different from the conventional technology, and thus is compliable with the provisions of the Patent Law. Accordingly, the patent application is filed.
- What described above are for illustrating the preferred embodiments of the present invention, not for limiting the structure and features of the present invention. Any person skilled in the art shall be able to make modifications and changes to the embodiments without departing from the spirit of the present invention.
Claims (8)
- A circuit for changing load operation using temporary power-off means, which is provided with a power-off detection circuit, and is characterized in: an input end of the power-off detection circuit is connected to a power source for power supply, and a output end of the power-off detection circuit is connected to a microprocessor (MCU), the microprocessor (MCU) being connected to at least one load driving circuit, a load appliance being mounted on each of the load driving circuits; a switch being provided between the power-off detection circuit and the power source; the microprocessor (MCU) having a program for controlling each load appliance; through shortly turning on/off the switch, the power of the power source being restored immediately after power-off, such that the power-off detection circuit detecting a temporary power-off signal of the power source and sending the signal to the microprocessor (MCU) for the program to control each load appliance in the microprocessor (MCU) according to the signal to manipulate each load appliance to perform another operation or function.
- The circuit for changing load operation using temporary power-off means as claimed in Claim 1, wherein a built-in power supply circuit is provided between the power-off detection circuit and the microprocessor (MCU), the built-in power supply circuit being connected to the power-off detection circuit and the microprocessor (MCU); when the switch being shortly turned on/off, the power source being restored immediately after power-off, the microprocessor (MCU) entering low power consumption mode during power outage, while the built-in power supply circuit supplying power to the microprocessor (MCU) to keep it working normally.
- The circuit for changing load operation using temporary power-off means as claimed in Claim 2, wherein the power source is a DC system power supply.
- The circuit for changing load operation using temporary power-off means as claimed in Claim 3, wherein the power-off detection circuit is a comparator for detecting the waveform after the DC system power supply is powered off, and sends the temporary power-off signal based on the waveform to the microprocessor (MCU), such that the program for controlling each load appliance in the microprocessor (MCU) manipulates each load appliance according to the signal to perform another operation or function.
- The circuit for changing load operation using temporary power-off means as claimed in Claim 3, wherein the built-in power supply circuit consists of an DC to AC converter connected in series with a diode and two capacitors connected in parallel, the two capacitors storing electrical energy before power-off; when the switch being shortly turned on/off, the power source being temporarily powered off and then powered on immediately; during power outage, due to unidirectional conduction characteristics of the diode, the two capacitors providing the whole electricity stored before power-off to the microprocessor (MCU) to keep it working normally.
- The circuit for changing load operation using temporary power-off means as claimed in Claim 2, wherein the power source is an AC system power supply.
- The circuit for changing load operation using temporary power-off means as claimed in Claim 6, wherein the power-off detection circuit is a transformation element connected in parallel with a zener diode to detect the waveform after the AC system power supply is powered off, and sends a temporary power-off signal based on the waveform to the microprocessor (MCU) such that according to the signal the program to control each load appliance in the microprocessor (MCU) manipulates each load appliance to manipulate each load appliance to perform another operation (function).
- The circuit for changing load operation using temporary power-off means as claimed in Claim 6, wherein the built-in power supply circuit consists of an AC to DC converter connected in series with a diode and two capacitors connected in parallel, the two capacitors capable of restoring electrical energy before power-off; when the switch is temporarily turned on/off, the power source restores power immediately after temporary power-off; during power outage, due to unidirectional conduction characteristics of the diode, the two capacitors provide the whole electrical energy restored before power-off to the microprocessor (MCU) to keep it working normally.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14184768.1A EP2996443A1 (en) | 2014-09-15 | 2014-09-15 | Circuit for changing load operation using temporary power-off means |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14184768.1A EP2996443A1 (en) | 2014-09-15 | 2014-09-15 | Circuit for changing load operation using temporary power-off means |
Publications (1)
Publication Number | Publication Date |
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EP2996443A1 true EP2996443A1 (en) | 2016-03-16 |
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ID=51564481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP14184768.1A Withdrawn EP2996443A1 (en) | 2014-09-15 | 2014-09-15 | Circuit for changing load operation using temporary power-off means |
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EP (1) | EP2996443A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5511943A (en) * | 1994-11-09 | 1996-04-30 | Chang; Chin-Hsiung | Single-throw switch circuit controlling a ceiling fan and light assembly |
US6137242A (en) * | 1999-01-14 | 2000-10-24 | Phei Kuan Electronic Co., Ltd. | Circuit for regulating output power source according to the different open-circuit time of input AC power source and the method thereof |
EP2031942A2 (en) * | 2007-08-28 | 2009-03-04 | Topco Technologies Corp. | Load control module |
WO2009083025A1 (en) * | 2007-12-21 | 2009-07-09 | Osram Gesellschaft mit beschränkter Haftung | Device and method for controlling electric consumers |
-
2014
- 2014-09-15 EP EP14184768.1A patent/EP2996443A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5511943A (en) * | 1994-11-09 | 1996-04-30 | Chang; Chin-Hsiung | Single-throw switch circuit controlling a ceiling fan and light assembly |
US6137242A (en) * | 1999-01-14 | 2000-10-24 | Phei Kuan Electronic Co., Ltd. | Circuit for regulating output power source according to the different open-circuit time of input AC power source and the method thereof |
EP2031942A2 (en) * | 2007-08-28 | 2009-03-04 | Topco Technologies Corp. | Load control module |
WO2009083025A1 (en) * | 2007-12-21 | 2009-07-09 | Osram Gesellschaft mit beschränkter Haftung | Device and method for controlling electric consumers |
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