摘要:
An apparatus for and method of inhibiting and overriding the normal operating mode of one or more input devices connected to a communications network. The present invention functions within an electrical network made up of a plurality of input devices wherein a group of input devices is capable of commanding an electrical control device to apply and remove electrical power from an electrical load connected thereto. The input devices or nodes communicate with the electrical control device over a communications network. When one of the input devices is turned off, the normal operating mode of all the other input sensors is inhibited. The electrical control device remains inhibited until all the input devices are no longer in the off position. Thus, electrical power to the load controlled by the electrical control device remains disconnected until all input devices are in the on position. Local and remote signaling, control and indication diagnostic and monitoring functions are also provided.
摘要:
A disclosed power supply includes a power factor correction circuit including a switch, an inductor having a first terminal connected to an input voltage, and a second terminal connected to the switch, a storage capacitor and a load, a value of the inductor selected to operate the power factor correction circuit in discontinuous conduction mode, and a controller programmed to operate the switch to increase a power factor of the power supply. The switching frequency of the switch is periodically adjusted to reduce electromagnetic interference.
摘要:
Digitally-controlled power factor correction circuits, methods, and articles of manufacture are disclosed. A disclosed power supply comprises a power factor correction circuit including a switch, an inductor having a first terminal connected to an input voltage, and a second terminal connected to the switch, a storage capacitor and a load, a value of the inductor selected to operate the power factor correction circuit in discontinuous conduction mode, and a controller programmed to operate the switch to increase a power factor of the power supply.
摘要:
A method of adding a device to an existing or new electrical or electronic automation or multimedia network. The invention facilitates adding a device to the network that can communicate using various protocols such as LonWorks, CEBus, X-10, etc. over media such as AC power line, IR, RF, twisted pair, optical fiber, etc. The method is a mechanism for adding a device to a system that can be used by an ordinary user of network capable electrical devices. The method comprises the steps an installer would perform including the handshaking that needs to occur between devices to accomplish the binding process. A Functional Profile for LonWorks networks is given as an example. This includes a Home Device profile that employs an automated explicit type messaging for all devices intended for use in a home environment. The invention includes adding to the device an install button and a visual indicator for status such as an LED. Alternatively, existing buttons and LEDs on the device may be used for installed and binding purposes. Other methods of binding can be employed by the use of wired or wireless handheld tools, remote controls, etc. Other interfaces and user feedback can be used such as touch screen, personal computers, cellular phones, PDAs, etc which can offer simple ‘virtual’ binding by the press of an icon versus the physical button on the device. The binding can be performed locally or remotely such as via LAN, WAN, Internet, etc.
摘要:
A temperature and passive infrared sensor module comprising a sensor module housing having air flow vents therein in top and bottom or side surfaces to allow air to circulate through the sensor module housing. A temperature sensor is mounted in the sensor module housing in a position which is exposed to air circulating through the sensor module housing. A passive infrared sensor is also mounted in the sensor module housing in a manner in which it is not exposed to air circulating through the sensor module housing, such that it is not adversely affected thereby. In one embodiment, a foam block is positioned around to encase and isolate the passive infrared detector. In several embodiments, the passive infrared sensor and temperature sensor are mounted on opposite sides of the printed circuit board such that air circulates around the temperature sensor only on one side of the printed circuit board. In other embodiments, the passive infrared sensor and temperature are positioned on the same side of a printed circuit board, and a partition is positioned therebetween to prevent air circulating around the temperature sensor from reaching and circulating around the passive infrared sensor.
摘要:
A method of operating a lighting fixture comprising a plurality of discrete illumination sources of distinguishably different color coordinates comprises determining target color coordinates and luminous flux at which to operate the lighting fixture, determining input electrical power values for each of the plurality of discrete illumination sources that substantially produce the target color coordinates and luminous flux by referencing a calibration data lookup table having calibration data based on measurements of the plurality of discrete illumination sources, determining a color mixing zone defined by three distinguishably different color coordinates of the plurality of discrete illumination sources within which the target color coordinates lie according to the calibration data, determining luminous flux ratios for each of the plurality of discrete illumination sources having one of the three distinguishably different color coordinates defining the color mixing zone that substantially produces the target color coordinates, and determining input electrical power levels for each of the plurality of discrete illumination sources that generate the determined luminous flux ratios.
摘要:
A lighting system that includes a quick disconnect mounting feature that permits the relocation of the lighting fixture without rewiring or use of loose hardware. The lighting system is comprised of a housing that surrounds a power module and a control module, where the control module is electrically connected to a protocol module. A printed circuit board interface electrically connects the power module to the control module, and a light source is electrically connected to the PCB interface.
摘要:
A cordless telephone outlet device that not only provides the cordless telephone access to a telephone network, but also provides the cordless telephone the proper DC electrical energy for proper operation eliminating the need for an unsightly external DC power supply typically connected to an AC outlet. Further, the device significantly reduces exposure of the telephone line connection between the cordless telephone and the telephone network. The outlet device comprises a body having a communications connector mounted thereon and a base attached to the body. The base contains DC power supply circuitry that is connected to a source of AC electrical energy. The output of the power supply circuit is connected to a DC line terminated with a DC male plug. The cordless telephone can be directly mounted onto the device allowing the communications connector of the cordless telephone to engage directly with a corresponding communications connector mounted onto the device of the present invention while the device also provides DC power to the cordless telephone via the DC male plug. Alternatively, a relatively short telephone line cable can be used to electrically connect the respective communications connectors with the cordless phone mounted onto the outlet device of the present invention.