1
Donald R Mosebrook, David E Houggy, Robert G Palmer Jr, Joel S Spira, Donald F Hausman Jr, Robin C Moseley, David G Luchaco: Method and apparatus for controlling and determining the status of electrical devices from remote locations. Lutron Electronics Co, Ostrolenk Faber Gerb & Soffen, May 18, 1999: US05905442 (448 worldwide citation)

Apparatus for controlling an electrical device by remote control including a control device coupled to the electrical device by a wire connection for providing power to the electrical device, the control device having an actuator for adjusting the status of the electrical device and a radio frequenc ...


2
David G Luchaco, James M Yorgey: Lighting control system with priority override. Lutron Electronics Co, Warren W Kurz, October 18, 1994: US05357170 (287 worldwide citation)

An energy-saving lighting control system is selectively operable in either a normal mode, in which certain lighting parameters (e.g., maximum and minimum light levels, fade rates, etc.) are preset and lighting level is determined by which of a plurality of inputs requires the least electrical power, ...


3
Charles R Sullivan, Scott R Jurell, David G Luchaco: Circuit for dimming gas discharge lamps without introducing striations. Lutron Electronics Co, March 19, 1991: US05001386 (163 worldwide citation)

A dimming circuit provides power from an ac source to a compact fluorescent lamp. The circuit generally includes a resonant circuit driven by a high-frequency switching inverter. The resonant circuit is essentially an ac current source and provides sinusoidal current to the lamp, which loads the res ...


4
Charles R Sullivan, Scott R Jurell, David G Luchaco: Circuit for dimming compact fluorescent lamps. Lutron Electronics Co, Seidel Gonda Lavorgna & Monaco, December 22, 1992: US05173643 (147 worldwide citation)

A dimming control circuit provides power from an ac source to a compact fluorescent lamp. The circuit generally includes a resonant half-bridge inverter driven by a pulse-duration-modulated voltage, for providing a high-frequency ac voltage between the lamp electrodes. A combination inductive and ca ...


5
Stephen J Yuhasz, David G Luchaco: Wall box dimmer switch with plural remote control switches. Lutron Electronics Co, Ostrolenk Faber Gerb & Soffen, January 7, 1986: US04563592 (93 worldwide citation)

A dimmer switch and dimmer system is described in which dimming for the entire system is controlled from a single device while on/off switching is controlled by individual devices at multiple locations. The main dimming device contains an alternate action switching circuit for opening and closing th ...


6
David G Luchaco, Charles C Houng: Two wire low voltage dimmer. Lutron Electronics Co, Seidel Gonda Lavorgna & Monaco, September 4, 1990: US04954768 (86 worldwide citation)

A low voltage two wire dimming circuit comprises a voltage compensating circuit for regulating the RMS value of an AC voltage applied to a load and a correcting circuit for eliminating damaging DC current that may flow through the load. The voltage compensating circuit adjusts the firing angle of an ...


7
R Scott Hanna, Woodie Flowers, David G Luchaco, Stephen J Yuhasz, Joel S Spira, Philip R Hall: Indicator lamp system. Lutron Electronics Co, May 21, 1991: US05017837 (78 worldwide citation)

An indicator lamp indicates the status of an electrically-powered load control system by providing dim light when the load power is off and a brighter light when the load power is on. In another embodiment, the lamp not only provides two levels of light to indicate whether or not power is on, but al ...


8
Robert P Post, Michael J D Aleo, Doug W Keeports, Jonathan H Ference, David G Luchaco, Joel S Spira: Portable programmer for a lighting control. Lutron Electronic Co, Seidel Gonda Lavorgna & Monaco, February 16, 1993: US05187655 (76 worldwide citation)

A hand-held programmer is provided for adjusting various functions of a multi-scene, multi-zone programmable lighting control. The programmer generally includes push-buttons for selecting particular scenes and zones to be programmed and for activating any one of the functions to be adjusted; namely, ...


9
David G Luchaco, Stephen J Yuhasz, David Buehler, Raphael K T Tang, Joel S Spira: Wireless control system. September 8, 1992: US05146153 (74 worldwide citation)

A remote wireless load control system wherein the power supplied to a load can be varied from a remote location using a remote control device not electrically wired to the load. The load control system includes a transmitter and a receiver, each having a control actuator for adjusting the power supp ...


10
Joel S Spira, David G Luchaco, Dennis Capewell: Gas discharge lamp control. Lutron Electronics Co, Ostrolenk Faber Gerb & Soffen, September 21, 1982: US04350935 (73 worldwide citation)

The input energy to a gas discharge lamp is controlled over a given range to obtain output light regulation in a controlled fashion for different kinds of gas discharge lamps, including fluorescent lamps, high intensity discharge lamps and others associated with any type ballast, including conventio ...