IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0955357
(2010-11-29)
|
등록번호 |
US-8212486
(2012-07-03)
|
발명자
/ 주소 |
- Biery, Ethan Charles
- Flowers, Maureen E.
- Knode, Galen Edgar
|
출원인 / 주소 |
- Lutron Electronics Co., Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
8 인용 특허 :
51 |
초록
▼
A load control device for controlling the amount of power delivered from an AC power source to an electrical load comprises a rotary actuator, such as a rotary knob or a rotary wheel. The load control device increases and decreases the amount of power delivered to the electrical load in response to
A load control device for controlling the amount of power delivered from an AC power source to an electrical load comprises a rotary actuator, such as a rotary knob or a rotary wheel. The load control device increases and decreases the amount of power delivered to the electrical load in response to rotations of the rotary knob in first and second directions, respectively. The load control device accelerates the rate of change of the amount of power delivered to the load in response to the angular velocity of the rotary actuator. The load control device generates a ratcheting sound when the rotary actuator is rotated in the first direction at a high-end intensity of the load control device. The load control device is operable to control the electrical load in response to both actuations of the rotary actuator and digital messages received via a communication link.
대표청구항
▼
1. A load control device for controlling the amount of power delivered from an AC power source to an electrical load, the load control device comprising: a controllably conductive device adapted to be coupled in series electrical connection between the AC power source and the electrical load for con
1. A load control device for controlling the amount of power delivered from an AC power source to an electrical load, the load control device comprising: a controllably conductive device adapted to be coupled in series electrical connection between the AC power source and the electrical load for control of the amount of power delivered to the load;a controller coupled to a control input of the controllably conductive device, the controller operable to selectively render the controllably conductive device conductive and non-conductive to control the amount of power delivered to the load;a communication circuit operable to receive digital messages on a communication link, the controller coupled to the communication circuit, such that the controller is operable to control the amount of power delivered to the electrical load in response to the received digital messages; anda rotary actuator operable to rotate in a first direction and a second direction, the controller responsive to rotations of the rotary actuator to increase the amount of power delivered to the load when the rotary actuator is rotated in the first direction and to decrease the amount of power delivered to the load when the rotary actuator is rotated in the second direction;wherein the rotary actuator is continuously rotatable, such that the position of the rotary actuator is not representative of the amount of power presently being delivered to the load. 2. The load control device of claim 1, wherein the electrical load comprises a lighting load, and the controller is operable to control the amount of power delivered to the lighting load in order to adjust an intensity of the lighting load. 3. The load control device of claim 2, further comprising: a screw-in base adapted to be screwed into a standard Edison socket to allow for connection to the AC power source; anda socket portion adapted to be connected to the lighting load. 4. The load control device of claim 2, wherein the controller is operable to adjust the intensity of the lighting load between a minimum intensity and a maximum intensity. 5. The load control device of claim 1, wherein the communication circuit is further operable to transmit digital messages on the communication link. 6. The load control device of claim 5, wherein the communication circuit comprises an RF transceiver operable to transmit and receive digital messages on an RF communication link. 7. The load control device of claim 1, wherein the rotary actuator comprises a rotary knob adapted to be rotated such that the first direction is clockwise and the second direction is counter-clockwise. 8. The load control device of claim 1, wherein the rotary actuator comprises a rotary wheel. 9. A load control device for controlling the amount of power delivered from an AC power source to an electrical load, the load control device comprising: a controllably conductive device adapted to be coupled in series electrical connection between the AC power source and the electrical load for control of the amount of power delivered to the load;a controller coupled to a control input of the controllably conductive device, the controller operable to selectively render the controllably conductive device conductive and non-conductive to control the amount of power delivered to the load;a communication circuit operable to receive digital messages on a communication link, the controller coupled to the communication circuit, such that the controller is operable to control the amount of power delivered to the electrical load in response to the received digital messages;a rotary actuator operable to rotate in a first direction and a second direction, the controller responsive to rotations of the rotary actuator to increase the amount of power delivered to the load when the rotary actuator is rotated in the first direction and to decrease the amount of power delivered to the load when the rotary actuator is rotated in the second direction; anda rotary encoder having a shaft coupled to the rotary actuator and operable to generate one or more control signals in response to the rotations of the rotary actuator, the rotary encoder coupled to the controller, such that the controller is operable to control the amount of power delivered to the load in response to the one or more control signals;wherein the rotary actuator is continuously rotatable, such that the position of the rotary actuator is not representative of the amount of power presently being delivered to the load. 10. The load control device of claim 9, wherein the controller is operable determine the direction of rotation of the rotary actuator in response to the one or more control signals. 11. The load control device of claim 9, wherein the rotary encoder includes a switch for generating a toggle control signal, the controller operable to receive the toggle control signal for turning the electrical load on and off when the rotary actuator is pushed in towards the load control device. 12. A load control system for controlling the amount of power delivered from an AC power source to an electrical load, the load control system comprising: a load control device adapted to be coupled in series electrical connection between the AC power source and the electrical load for control of the amount of power delivered to the load, the load control device operable to receive digital messages via a communication link, and to adjust the amount of power delivered to the load in response to the received digital messages, the load control device comprising a rotary actuator operable to rotate in a first direction and a second direction, the load control device operable to increase the amount of power delivered to the load when the rotary actuator is rotated in the first direction and to decrease the amount of power delivered to the load when the rotary actuator is rotated in the second direction;wherein the rotary actuator is continuously rotatable, such that the position of the rotary actuator is not representative of the amount of power presently being delivered to the load. 13. The load control system of claim 12, wherein the electrical load comprises a lighting load, and the load control device is operable to control the amount of power delivered to the lighting load in order to adjust an intensity of the lighting load between a minimum intensity and a maximum intensity, the load control device operable to avoid discontinuities in the adjustment of the intensity of the lighting load in response to actuations of the rotary actuator, the rotary actuator operable to continue to rotate when the intensity of the lighting load is at the maximum intensity. 14. The load control system of claim 13, wherein the load control device comprises a screw-in lamp control module adapted to be screwed into a standard Edison socket to allow for connection to the AC power source and having a socket portion adapted to be connected to the lighting load. 15. The load control system of claim 13, wherein the load control device comprises a wall-mounted dimmer. 16. The load control system of claim 12, wherein the communication link comprises an RF communication link. 17. The load control system of claim 16, further comprising: a keypad comprising at least one button, and operable to wirelessly transmit digital messages on the RF communication link in response to actuations of the button. 18. The load control system of claim 12, wherein the load control device comprises a rotary encoder having a shaft coupled to the rotary actuator and operable to generate one or more control signals in response to the rotations of the rotary actuator, the load control device operable to control the amount of power delivered to the load in response to the one or more control signals. 19. The load control system of claim 12, wherein the rotary actuator comprises a rotary knob adapted to be rotated such that the first direction is clockwise and the second direction is counter-clockwise. 20. The load control system of claim 12, wherein the rotary actuator comprises a rotary wheel.
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