170results about "Electrical apparatus" patented technology

Methods and apparatus for executing a lighting program to control a plurality of light emitting diodes (LEDs) in response to at least one characteristic of an audio input. In one embodiment, the audio input is digitally processed to determine the at least one characteristic. In other embodiments, control signals for the LEDs are generated in response to a timer and/or input from a user interface, as well as in response to the at least one characteristic of the audio input. In another embodiment, the control signals for the LEDs are generated by a same computer that processes the audio input to transmit signals to speakers to audibly play the audio input. In a further embodiment, a GUI is provided to assist in authoring the lighting program. In another embodiment, the audio signal is processed before being played back. In a further embodiment, the lighting program anticipates changes in the audio input.

An LED lighting device of AC power-driven type having a comparatively simple constitution and a high power efficiency. The device compares a signal voltage (rectified voltage) obtained by rectifying an AC source with a predetermined reference voltage and controls ON/OFF of a driving current to each LED of an LED array in response to a comparison result. In this constitution, a large voltage of AC source enables lighting of more number of LEDs, while a small voltage thereof enables lighting of less number of LEDs, thus enhancing power efficiency of the LED lighting device.

The present invention relates to a Light Emitting Diode (LED) selection circuit for an LED driver that drives multiple unequal lengths of LED strings, which selectively turns the LED strings ON and OFF corresponding to an input alternating current (AC) line voltage. The LED driver provides optimal efficiency as input AC line voltage varies from low to high voltages (i.e. 90V to 150V for nominal 120 VAC operation and 190V to 250V for nominal 220 VAC operation). Thus The LED driver can be used internationally since it accepts voltages from virtually every industrialized country in the world. The LED selection circuit in accordance with the present invention comprises a rectifier, multiple LED strings, multiple current sources and a controller. The controller generates multiple signals to the corresponding current source and turns ON and OFF the LED strings.

Light outputs from many LEDs are uniformized and power consumption required for such uniformizing is suppressed, in an LED lighting circuit to be used for illuminating apparatus and the like. Currents flowing from a DD converter to an LED module are detected by a current detection resistor and compared with a reference voltage (Vref) from a reference voltage source by a comparison circuit. Corresponding to the comparison results, a control circuit controls the DD converter, and the currents flowing to the LED module are controlled to be constant currents at the same time. Furthermore, in LED load circuits configuring the LED module, control elements configuring a current mirror circuit are arranged in series, a corresponding control element is permitted to have a diode structure by having a circuit with the highest sum of the LED ON voltages as a reference, the flowing current values of the control elements of the remaining circuits are interlocked, and the LED load circuits are balanced.

Solar-powered lighting devices that may be portable and/or collapsible are described. The devices may include a housing including a first wall, a second wall, and one or more side walls between the first wall and the second wall, at least one solar panel to generate solar energy, and a rechargeable battery to store the solar energy generated. The devices may include a plurality of operating modes for controlling lights within the housing, and a microprocessor for controlling the operating modes.

An improved wall and partition construction method that is more time and cost efficient to construct than conventional methods, and that includes no exterior attachment means, thus providing a finished wall with a substantially seemless first and second surface. The improved wall is constructed by attaching rigid panels to a series of channel members each having a hat-shaped cross section generally placed in vertical orientation, along the centerline of a wall. Each channel member includes a plurality of openings that provide an interior pathway for routing utility and communication cables, and/or for containing supplemental insulation. Compressed straw panels are attached to the channel members in a slightly offset alternating manner such that each panel can be rigidly connected to a channel member by a plurality of lag screws with each penetrating the panel from the inside such that the finished wall has no exterior penetrations.

A dimming signal generation device outputs a square wave voltage signal having an on-duty corresponding to a dimming level to a dimming signal line from a time point when a predetermined time period has elapsed after power-up. In the dimming signal generation device, a specific voltage is outputted to the dimming signal line for the predetermined time period after the power-up.

In the growth process of broilers, the requirements on light quality, light intensity and light period are complex and high, so an intelligent dimming light supplementing system is urgently needed for poultry house illumination. The invention provides an LED light source control system for intelligent broiler breeding, which is characterized by comprising an LED light source controller, an LED total power supply and a plurality of LED lamp tubes, wherein the LED light source controller comprises a microprocessor, and a clock unit and a serial communication interface unit which are connected with the microprocessor; an internal memory E2PROM for storing a broiler growth curve regulation parameter is arranged in the microprocessor; a software module for setting the broiler growth curve regulation parameter is arranged in a computer; and a control software module is embedded into the microprocessor. By using a program-controlled LED lamp, the light quality, the light intensity and illumination time can be automatically regulated, and the requirements of the broilers at different growth stages on illumination time and illumination intensity can be met.

A liquid crystal display apparatus is provided which has two or more options in selection of the range of viewing angles. A surface light source device according to the invention has a main surface from which light is emitted, and includes a plurality of light guide plates corresponding to a plurality of regions obtained by dividing the main surface in parallel; an optical film provided on the exit surface side of the light guide plates; and a light driver that controls the turning on and off of the plurality of light guide plates. The optical film includes a light-guide slit film which transmits light that is emitted from the light guide plates and that is within a certain range of angles.

A method for position based management of a plurality of plants being arranged in a controlled environment and subject to light emitted by at least one artificial lighting arrangement. Also, a corresponding mobile electronic device and to a computer program product for position based management of an artificial lighting arrangement arranged to control growth of a plurality of plants in a controlled environment.

The invention discloses an intelligent street lamp control system. The intelligent street lamp control system includes street lamp control terminals, street lamp monitoring sub-stations and a street lamp management center; the street lamp control terminals acquire the voltage, current and power information of street lamp nodes and upload the data to the street lamp monitoring sub-stations; the street lamp control terminals receive commands issued from the street lamp monitoring sub-stations and execute operation so as to realize switching control and brightness adjustment of street lamps; the street lamp control terminals analyze and process received data packets, and send and receive data through radio frequency transmission modules; and the street lamp monitoring sub-stations maintain the node information of all street lamp control terminals on roads where the street lamp monitoring sub-stations are located, and transmit corresponding data to the street lamp management center. According to the intelligent street lamp control system of the invention, a GPRS public wireless communication technology and short-distance wireless communication technology-combined scheme is adopted, and the advantages of the GPRS public wireless communication technology and the short-distance wireless communication technology can be combined, and therefore, the problem of high cost can be solved, the complexity of the system is reduced, and the intelligent street lamp control system is practical, is convenient to manage, assist in saving energy and can realize intelligent control.

A clip light, for detachably mounting the clip light to a visor of a cap, includes a light arrangement and a detachable clip member. The light arrangement includes a light housing and a light device supported within the light housing, wherein the detachable clip member is detachably coupling with the light housing, wherein the detachable clip member is adapted to be detached for replacing to another type of clip member for different purposes. The detachable clip member is rotatably coupling with the light housing, such that a projecting angle of the light from the light source is adapted to be adjusted via a rotation manner.

The invention relates to the electronic field, and discloses dimming method and circuit and a controllable silicon dimming circuit with the circuit. The method comprises the steps that a dimming signal is generated according to a current direct current input voltage signal; according to the dimming signal, the voltage average value signal of the dimming signal is generated; the fact that the dimming signal is currently in a positive half cycle or a negative half cycle is determined; when the dimming signal is currently in the positive half cycle, the voltage average value signal is compared with an output current feedback signal which represents the magnitude of the current output current, and a first comparison signal is output; a drive signal is output according to the first comparison signal; when the dimming signal is currently in the negative half cycle, the voltage average value signal is compared with an output current feedback signal which represents the magnitude of the current output current, and a second comparison signal is output; and a drive signal is output according to the second comparison signal. The application of the technical scheme is conductive to eliminating stroboflash.

An embodiment of the present invention includes an LED driving device that causes a plurality of LEDs to emit light, wherein the device includes: an LED driving circuit configured to drive the LEDs so that at least one of the plurality of LEDs emits light as a first. LED and an LED around the first LED is prevented from emitting light as a second LED; a photodetection unit configured to detect light emission of the first LED through the second LED and detect a light emission quantity of the first LED; and a controller configured to adjust a light emission quantity of the first LED based on the light emission quantity of the light emission of the first LED detected by the photodetection unit.

A light fixture wireless motion detector conversion kit that includes an electrical box cover plate that houses a wireless receiver unit capable of receiving a signal from a wireless motion detector. Formed on the front surface of the plate is a center cavity upon which a standard light fixture bracket is attached. During assembly, the cover plate is securely attached to a vertical support surface while the base of a light fixture is attached to the bracket. The wireless receiver unit is electrically connected between an external 120 volt AC electrical circuit and the light fixture's wires. In the preferred embodiment, the wireless receiver unit includes an optional frequently switch, a mode switch, that allows the user to select different frequencies that matches the frequency used by the motion detector.

The invention relates to a cable organization device (10) with a body (12) formed of resilient material. The body comprises cavities for holding the cables (20). Each cavity (20) comprises a cable holding section (22) for accommodating a cable, and a relatively small input section (24). The cable can be introduced in the respective cavity (20) through the input section in that the input section is opened with resilient deformation by the sections (26) of the cable defining the input section.

A light source device includes a plurality of light emitting devices connected in series, an open-circuit failure detecting section, a failure detection and maintenance section, and a short-circuiting section connected in parallel to at least one light emitting device among the plurality of light emitting devices. The open-circuit failure detecting section detects an open-circuit failure of the light emitting device connected in parallel. The failure detection and maintenance section shifts to, when the open-circuit failure detecting section detects the open-circuit failure, a circuit state during the open-circuit failure and maintains the circuit state to which the failure detection and maintenance section shifts. The short-circuiting section short-circuits, when the failure detection and maintenance section maintains the circuit state during the open-circuit failure, both ends of the light emitting device in which the open-circuit failure is detected.

A method and apparatus for collecting and storing the energy emitted by radioisotopes in the form of alpha and or beta particles is described. The present invention incorporates aspects of three different energy conversion and storage technologies, those being: Nuclear alpha and or beta particle capture for direct energy conversion and storage, rechargeable electrochemical storage cells and capacitive electrical energy storage.

The invention provides a distributed line protection sleeve structure, an installation method and an electric device. The distributed line protection sleeve structure comprises a distributed line groove and a distributed line protection sleeve assembled on the distributed line groove, the distributed line groove is provided with two positioning protrusions that extend inward and are used for fixing the distributed line protection sleeve, and the two positioning protrusions which are used for a stopping function are respectively arranged at two end parts of the distributed line protection sleeve. The two end parts of the distributed line protection sleeve are stopped or clamped via the positioning protrusions, the distributed line protection sleeve is firmly fixed on the distributed line groove after being installed, the distributed line protection sleeve can be prevented from falling off, and the positioning protrusions also fulfill a positioning function; after the distributed line protection sleeve is enabled to pass through the positioning protrusions with pressure applied on the distributed line protection sleeve when being installed, a correct assembly state can be ensured when end parts of the distributed line protection sleeve are connected with the positioning protrusions in a clamped manner; if the end parts of the distributed line protection sleeve are not connected with the positioning protrusions in a clamped manner, the distributed line protection sleeve is not installed rightly; whether the distributed line protection sleeve is installed rightly can be easily determined; falling off, caused by incorrect installation, of the distributed line protection sleeve can be prevented.

The present invention provides a light emitting device (1), wherein a second interlayer insulating film (35), an auxiliary electrode (150) and a common electrode (72) are sequentially stacked on the element layer (30). The end (E4) of the auxiliary electrode (150) is formed so as to be located outside the end (E1) of the common electrode (72) in the plane of the substrate (10), and the end (E1) of the common electrode (72) It is formed so as to be located on the inner side of the end (E2) of the second interlayer insulating film (35). The auxiliary electrode (150) has a portion overlapping and electrically connected to a second electrode power supply line that supplies a potential to the common electrode (72). Accordingly, the frontal edge region of the light emitting device can be reduced, and variations in luminance of the light emitting element can be suppressed.

When supplying an LED light source with a first output voltage that is equal to or higher than a threshold voltage, an LED driver causes a DC power supply to output a first DC voltage and causes a switching regulator to supply the LED light source with the first output voltage. When supplying the LED light source with a second output voltage that is below the threshold voltage, the LED driver causes the DC power supply to output a second DC voltage lower than the first DC voltage and causes the dropper regulator to supply the LED light source with the second output voltage.

The invention discloses an automobile multifunctional wire clamp and relates to the technical field of pipeline clamps. A pipeline clamp body, a clamping ring and a limiting pin are arranged; the pipeline clamp body is an integrated clamp body structure which can be turned over to be opened and closed; the clamping ring is arranged on the internal side of the pipeline clamp body in a positioned manner to realize elastic clamping and positioning of pipelines with different thicknesses; and the limiting pin is arranged at an open locking end of the pipeline clamp body to limit the locking end. According to the automobile multifunctional wire clamp, as the integrated clamp body structure which can be turned over to be opened and closed and is matched with the pipeline is provided, and the pipelines with different pipe diameters are elastically clamped by using the clamping ring, the fixing demands of different pipeline diameters can be satisfied, the universality is high, the use is moreconvenient, and the assembling efficiency is greatly enhanced; and moreover, as the limiting pin is arranged the open locking end of a clamping buckle, the open locking end of the clamping buckle is limited, the fixing of the pipeline clamp is more reliable, and the pipelines are effectively prevented from being freed.

A network communication system (2) comprises: a controlled network device (11) comprising a communication facility (16) for receiving a command signal (Sc); at least one remote control (20) for controlling at least one of the network devices (11), the remote control comprising a communication facility (26) for receiving and transmitting signals; one coordinator (40) comprising a communication facility (46) for receiving and transmitting signals, and a network definition memory (47) containing network definition information defining the network and the relationship between network components. The remote control comprises a backup memory (27) containing a backup copy of the network definition information. The remote control is capable of operating in a restoration mode in which the remote control transmits a restoration signal (SR) containing the network definition information from the backup memory. The coordinator is responsive to the restoration signal by storing the received network definition information into its network definition memory.