The present disclosure provides apparatuses and methods for bulb detection for a lighting control system. The apparatus includes a lighting control module configured to cause a transmission of a quantity of electrical energy to a lighting circuit of a light fixture electrically connected to the lighting control module. The apparatus includes a detector circuit positioned in the lighting control module. The detector circuit is configured to measure a response of the lighting circuit to the transmission of the quantity of electrical energy. The apparatus also includes a controller in electrical communication with the detector circuit. The controller is specially programmed to correlate the quantity of electrical energy transmitted to the lighting circuit to the response of the lighting circuit. The controller is further programmed to determine the bulb type of a bulb electrically coupled to the lighting circuit of the light fixture.

The present disclosure provides lighting control system multi-switch apparatuses and methods. The apparatus includes a lighting control module including at least three electrical terminals. The lighting control module configured to cause a transmission of a quantity of electrical energy to a lighting circuit of a light fixture electrically connected to the lighting control module. The apparatus includes a detector circuit positioned in the lighting control module. The apparatus includes a controller in electrical communication with the detector circuit, the controller specially programmed to cause a call signal to be transmitted to a switch connected to the traveler terminal, the call signal configured to request the switch connected to the traveler terminal transmit a response signal to the controller to identify the switch connected to the traveler terminal.

A multiple location load control system may comprise a main load control device and an accessory load control device. The main load control device may control an amount of power delivered to an electrical load from an AC power source using a control circuit and a controllably conductive device. The accessory load control device may be coupled to the main load control device via an accessory terminal. The accessory load control device may detect a user input for changing a characteristic of the electrical load and may send a signal to the main load control device indicating the user input. The main load control device may detect a pattern of the signal based on a threshold and further determine the user input in response to the detected pattern. The main load control device may adjust the threshold based on line/load conditions of the multiple location load control system.

A multiple location load control system may comprise a main load control device and an accessory load control device. The main load control device may control an amount of power delivered to an electrical load from an AC power source using a control circuit and a controllably conductive device. The accessory load control device may be coupled to the main load control device via an accessory terminal. The accessory load control device may detect a user input for changing a characteristic of the electrical load and may send a signal to the main load control device indicating the user input. The main load control device may detect a pattern of the signal based on a threshold and further determine the user input in response to the detected pattern. The main load control device may adjust the threshold based on line/load conditions of the multiple location load control system.

A multiple location load control system may comprise a main load control device and an accessory load control device. The main load control device may control an amount of power delivered to an electrical load from an AC power source using a control circuit and a controllably conductive device. The accessory load control device may be coupled to the main load control device via an accessory terminal. The accessory load control device may detect a user input for changing a characteristic of the electrical load and may send a signal to the main load control device indicating the user input. The main load control device may detect a pattern of the signal based on a threshold and further determine the user input in response to the detected pattern. The main load control device may adjust the threshold based on line/load conditions of the multiple location load control system.

A multiple location load control system may comprise a main load control device and an accessory load control device. The main load control device may control an amount of power delivered to an electrical load from an AC power source using a control circuit and a controllably conductive device. The accessory load control device may be coupled to the main load control device via an accessory terminal. The accessory load control device may detect a user input for changing a characteristic of the electrical load and may send a signal to the main load control device indicating the user input. The main load control device may detect a pattern of the signal based on a threshold and further determine the user input in response to the detected pattern. The main load control device may adjust the threshold based on line/load conditions of the multiple location load control system.

Various embodiments include apparatuses and methods enabling a control apparatus for color tuning a light-emitting diode (LED) array. In one example, a controllable-lighting apparatus includes an LED array having at least one desaturated red LED, at least one desaturated green LED, and at least one desaturated blue LED. A number of color-tuning and luminous-flux control devices includes an adjustable correlated color temperature (CCT)-control device for setting a desired color temperature of the LED array, an adjustable D.sub.uv-control device for setting a desired overall color cast of the LED array along an isothermal CCT line corresponding to the desired color temperature, and an adjustable flux-control device for setting a desired luminous-flux value of the LED array. Other apparatuses and methods are described.

The present disclosure provides apparatuses and methods for bulb detection for a lighting control system. The apparatus includes a lighting control module configured to cause a transmission of a quantity of electrical energy to a lighting circuit of a light fixture electrically connected to the lighting control module. The apparatus includes a detector circuit positioned in the lighting control module. The detector circuit is configured to measure a response of the lighting circuit to the transmission of the quantity of electrical energy. The apparatus also includes a controller in electrical communication with the detector circuit. The controller is specially programmed to correlate the quantity of electrical energy transmitted to the lighting circuit to the response of the lighting circuit. The controller is further programmed to determine the bulb type of a bulb electrically coupled to the lighting circuit of the light fixture.

A multiple location load control system may comprise a main load control device and an accessory load control device. The main load control device may control an amount of power delivered to an electrical load from an AC power source using a control circuit and a controllably conductive device. The accessory load control device may be coupled to the main load control device via an accessory terminal. The accessory load control device may detect a user input for changing a characteristic of the electrical load and may send a signal to the main load control device indicating the user input. The main load control device may detect a pattern of the signal based on a threshold and further determine the user input in response to the detected pattern. The main load control device may adjust the threshold based on line/load conditions of the multiple location load control system.

Various embodiments include apparatuses and methods enabling a control apparatus for color tuning a light-emitting diode (LED) array. In one example, a controllable-lighting apparatus includes an LED array having at least one desaturated red LED, at least one desaturated green LED, and at least one desaturated blue LED. A number of color-tuning and luminous-flux control devices includes an adjustable correlated color temperature (CCT)-control device for setting a desired color temperature of the LED array, an adjustable D.sub.uv-control device for setting a desired overall color cast of the LED array along an isothermal CCT line corresponding to the desired color temperature, and an adjustable flux-control device for setting a desired luminous-flux value of the LED array. Other apparatuses and methods are described.