Motion detection of objects by means of motion detectors
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Method and system for controlling the brightness in a room illuminated with interior light and outside light
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Spread spectrum transmission system
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Process for transmitting data via a heavy current line
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A method for controlling the brightness and operation of gas discharge lamps
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Coil former of superimposed deformable shells.
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Circuit for receiving information carried by power lines
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Trough-shaped reflector for lamps
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Method and ballast device for attenuating fluorescent lamps
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RING SHAPED BOBBIN FOR SMALL AND SAFETY TRANSFORMERS AND METHOD FOR THE PRODUCTION THEREOF
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DC source for control circuits - has superimposed system for maintaining low voltage from supply voltage pulsing cyclically between min. and max.
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Control system for several consumers
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BRIGHTNESS CONTROL CIRCUIT ARRANGEMENT
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CIRCUIT ARRANGEMENT AND METHOD FOR APPROACHING A NON-LINEAR TRANSMISSION FUNCTION
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METHOD AND CIRCUIT FOR CONTROLLING THE BRIGHTNESS (DIMMING) OF GAS DISCHARGE LAMPS
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Tilt switch for standard lamps - has light in lamp disconnected from current circuit when lamp tilts or falls over
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Integrated operating appts. for low pressure discharge lamp - has connecting adaptor contg. all electric components e.g. choke coil, starter and capacitors
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DRIVING CIRCUIT ARRANGEMENT FOR AN INVERTER AND METHOD FOR DRIVING A POWER SWITCHING ELEMENT
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Foerkopplingsanordning foer ett gasurladdningsroer.
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Fixture for a discharge lamp, particularly a fluorescent lamp
