| Patent Number |
Title Of Patent |
Date Issued |
| D325567 |
Combined wall plate and dual linear slide dimmer |
April 21, 1992 |
|
| D319429 |
Wall-mounted lighting control panel |
August 27, 1991 |
|
| D317593 |
Transmitter for wireless switch |
June 18, 1991 |
|
| D316847 |
Transmitter for wireless switch and dimmer |
May 14, 1991 |
|
| D313738 |
Face plate for lighting control |
January 15, 1991 |
|
| D311678 |
Selectable level lighting control faceplate |
October 30, 1990 |
|
| D311485 |
Lighting control faceplate |
October 23, 1990 |
|
| D311382 |
Face plate for lighting control |
October 16, 1990 |
|
| D311371 |
Combined wall switch plate and switch therefor |
October 16, 1990 |
|
| D311170 |
Wall mounted power control panel |
October 9, 1990 |
|
| D310349 |
Wireless transmitter for selectable light level control switch |
September 4, 1990 |
|
| D308647 |
Optical detector |
June 19, 1990 |
|
| D306853 |
Transmitter for wireless light switching system |
March 27, 1990 |
|
| D303658 |
Transmitter for wireless light dimmer system |
September 26, 1989 |
|
| D303657 |
Transmitter for wireless light dimmer system |
September 26, 1989 |
|
| D302544 |
Transmitter for wireless light dimmer system |
August 1, 1989 |
|
| D302543 |
Transmitter for wireless light switching system |
August 1, 1989 |
|
| D301304 |
Mounting clip for releasably retaining an electric lamp control unit or similar article |
May 30, 1989 |
|
| D287242 |
Face plate for lighting control |
December 16, 1986 |
|
| D285066 |
Face plate for lighting control |
August 12, 1986 |
|
| D271373 |
Combined light dimmer knob and escutcheon therefor |
November 15, 1983 |
|
| D254001 |
Light dimmer switch |
January 22, 1980 |
|
| D253532 |
Remote dimming control system |
November 27, 1979 |
|
| D253342 |
Remote dimming control system |
November 6, 1979 |
|
| D249141 |
Remote dimming control |
August 29, 1978 |
|
| 7619539 |
Multiple-input electronic ballast with processor |
November 17, 2009 |
| A ballast having a microprocessor embedded therein is controlled via four inputs. The ballast includes a high-voltage phase-controlled signal provided by a dimmer and an infrared (IR) receiver through which the ballast can receive data signals from an IR transmitter. The ballast can |
| 7619365 |
Load control device having a variable drive circuit |
November 17, 2009 |
| A load control device for controlling the amount of power delivered to an electrical load from a source of AC power comprises a controllably conductive device and a variable gate drive circuit. The controllably conductive device is coupled in series electrical connection between the |
| 7608948 |
Touch screen with sensory feedback |
October 27, 2009 |
| A load control device for controlling the amount of power delivered to an electrical load from an AC power source provides improved sensory feedback to a user of the load control device. The load control device comprises a touch screen actuator having a touch sensitive front surface |
| 7599612 |
Method of calibrating a motorized roller shade |
October 6, 2009 |
| Calibration of a motorized roller shade is accomplished by calculating a radius of a roller tube and thickness of a shade fabric rotatably supported by the roller tube. First, a lower edge of the shade fabric is moved to a first position at a first linear distance from a predetermined |
| 7592967 |
Compact antenna for a load control device |
September 22, 2009 |
| A compact antenna for use in a load control device for controlling the power delivered to an electric load and operable to transmit or receive radio frequency signals at a specified frequency is presented. The antenna comprises a first main radiating loop of conductive material havin |
| 7592925 |
Lighting control having an idle state with wake-up upon actuation |
September 22, 2009 |
| A load control device comprises an actuator for controlling a connected lighting load and a plurality of status indicators for displaying the intensity of the lighting load as feedback to a user. One or more of the status indicators are illuminated to a bright active level when the a |
| 7588067 |
Electrically controllable window treatment system to control sun glare in a space |
September 15, 2009 |
| A system for reducing sun glare through an opening into a space, the system comprising an electrically controllable window treatment operable to alter the amount of daylight entering the space through the opening; a first sensor mounted within the space and characterized by a sensor gain |
| 7586268 |
Apparatus and method for controlling the filament voltage in an electronic dimming ballast |
September 8, 2009 |
| An electronic dimming ballast comprises a filament turn-off circuit for controlling the magnitudes of filament voltages supplied to the filaments of a gas discharge lamp. Each of a plurality of filament windings is directly coupled to one of the filaments and is operable to supply a |
| 7579717 |
Wall-mountable timer for an electrical load |
August 25, 2009 |
| A wall-mountable electrical timer for controlling the delivery of power from an AC power source to an electrical load, such as a lamp or a fan motor, includes: a timer adjustment actuator for selecting a predetermined time period of operation for the load; a toggle actuator for start |
| 7573436 |
Compact radio frequency transmitting and receiving antenna and control device employing same |
August 11, 2009 |
| An electrical control device for controlling the status of a controlled electrical device, the electrical control device comprising a power conducting semiconductor device for controlling the status of the controlled electrical device; a control circuit; a transmitter and/or receiver |
| 7573208 |
Method of programming a lighting preset from a radio-frequency remote control |
August 11, 2009 |
| The present invention provides a method of programming a preset intensity of a dimmer switch from a radio-frequency (RF) remote control. A user is able to adjust the intensity of the lighting load to a new intensity and subsequently press and hold a preset button on the remote control to |
| 7570031 |
Method and apparatus for preventing multiple attempted firings of a semiconductor switch in a lo |
August 4, 2009 |
| A two-wire load control device, such as a dimmer, is operable to control the amount of power delivered to an electrical load, such as a magnetic low-voltage (MLV) load, and comprises a bidirectional semiconductor switch, a timing circuit, a trigger circuit having a variable voltage t |
| 7566996 |
Touch sensitive actuator having a uniform actuation force and a maximum active area |
July 28, 2009 |
| A load control device for controlling the amount of power delivered to an electrical load from an AC power source comprises a touch sensitive device having a touch sensitive front surface responsive to a point actuation. The front surface is adapted to be provided in an opening of a |
| 7566995 |
Touch screen having a uniform actuation force and a maximum active area |
July 28, 2009 |
| A load control device for controlling the amount of power delivered to an electrical load from an AC power source comprises a touch sensitive device having a touch sensitive front surface responsive to a point actuation. The front surface is adapted to be provided in an opening of a |
| 7566987 |
Method of powering up a plurality of loads in sequence |
July 28, 2009 |
| Power distribution systems that have a limited peak power capability or a high source impedance, such as site supply generators, are often susceptible to abnormal operation in response to the current drawn at power up from the loads connected to the power distribution system. The pre |
| 7566137 |
System to control daylight and electric light in a space |
July 28, 2009 |
| An illumination maintenance system for maintaining a desired illumination profile in a space throughout at least a portion of a day, the space being illuminable by both daylight and electric light, the system comprising a sensor for sensing an illumination level in at least a portion |
| 7548216 |
Compact radio frequency transmitting and receiving antenna and control device employing same |
June 16, 2009 |
| An antenna operable to transmit or receive radio frequency signals at a specified frequency, the antenna comprising a first printed circuit board comprising a first loop of conductive material having a capacitance and an inductance, the capacitance and the inductance forming a circuit be |
| 7546473 |
Dimmer having a microprocessor-controlled power supply |
June 9, 2009 |
| A power supply for a two-wire load control device supplies power to a microprocessor, which in turn controls the power supply. The power supply comprises an energy storage element, e.g., a capacitor, for producing a DC voltage for powering the microprocessor. The power supply comprises a |
| 7542258 |
DV/dt-detecting overcurrent protection circuit for power supply |
June 2, 2009 |
| An overcurrent protection circuit for a power switching transistor wherein the power switching transistor has a control electrode and two main electrodes, the circuit comprising a circuit including a protection switch for sensing the rate of change of voltage with respect to time at |
| 7537040 |
Control system for uniform movement of multiple roller shades |
May 26, 2009 |
| A system for controlling a roller shade having a roller tube windingly receiving a shade fabric varies roller tube rotational speed for constant linear shade speed. The desired linear shade speed, roller tube diameter and shade fabric thickness and length are stored in a memory for use b |
| 7528554 |
Electronic ballast having a boost converter with an improved range of output power |
May 5, 2009 |
| A boost converter for an electronic dimming ballast for driving a gas discharge lamp has an increased output power range. The boost converter operates in discontinuous conduction mode when a desired intensity of the lamp is below a first threshold intensity, and operates in critical |
| 7511628 |
Status indicator circuit for a dimmer switch |
March 31, 2009 |
| A load control device for controlling the amount of power delivered to an electrical load from an AC power source comprises a semiconductor switch having a control input, a triggering circuit, a timing circuit, and a status indicator circuit. Preferably, the status indicator circuit |
| 7499261 |
Load control device having a split enclosure |
March 3, 2009 |
| A load control device is adapted to be installed in an electrical wallbox having a barrier. The load control device comprises a split enclosure having first and second enclosure portions spaced apart so as to define a gap, such that the gap is adapted to receive the barrier of the el |
| 7498952 |
Remote control lighting control system |
March 3, 2009 |
| A two-way radio frequency lighting control system comprises a master control including a plurality of manual actuators, and a plurality of dimmers, in which the number of dimmers does not exceed the number of manual actuators. After the lighting control system is installed in an inte |
| 7489094 |
Method and apparatus for quiet fan speed control |
February 10, 2009 |
| An AC motor speed controller includes a plurality of capacitors that may be selectively switched, by means of controllably conductive switches, into series electrical connection with an AC motor and an AC voltage source to control the speed of the motor. To change the speed of the mo |
