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| Number | Title | Issue Date |
| 5352957 | Appliance control system with programmable receivers A control system for a plurality of appliances in distributed arrangement, in particular lighting fittings, having a command generator (1), a receiver (10) associated with each appliance (40), a control line (2) which connects the command generator (1) to... | 10/04/1994 |
| 5250799 | Method for adapting the light intensity of the summation light to the external light A method and circuit arrangement for adapting the light intensity of the summation light (Ei) of a room lit by internal light (Ek) and external light (E'i) to the external light (Ea), which varies with the time ... | 10/05/1993 |
