Abstract: A display panel has an evacuation port at one side thereof, and the opening area of the evacuation port increases toward the periphery of the display panel. The display panel also has a frame member in the opening, and the height of the frame member lowers toward the inside of the display panel. According to the invention, by improving the evacuation efficiency in the airtight container and improving the vacuum level in the display panel in a short period of time, the electron emission characteristic is stabilized and the lifetime thereof is increased, allowing a high-quality, reliable image display to be provided.

Abstract: An organic electroluminescent device (20) including an anode (1), a first emitting layer (3), a carrier barrier layer (4), a second emitting layer (5), and a cathode (7) stacked in that order. The first emitting layer (3) is formed of a hole transporting material, and the second emitting layer (5) is formed of an electron transporting material. The affinity level of the carrier barrier layer (4) is smaller than the affinity level of the second emitting layer (5) in an amount of 0.2 eV or more, and the ionization potential (Ie1) of the carrier barrier layer (4) and the ionization potential (Ih1) of the first emitting layer (3) satisfy Ie1<Ih1+0.1 (eV) (1).

Abstract: Provided are an organic light emitting apparatus for use in, for example, a flat device display, and a method of producing the apparatus. The organic light emitting apparatus has sides formed by division at ends of its substrate. Three-dimensional portions are formed on the surface of the substrate along the sides. An inorganic sealing layer is formed to extend toward the three-dimensional portions.

Abstract: A benzanthracene derivative having hydrogen atom at the 12-position, and an organic electroluminescence device having an organic thin film layer, which has one layer or a plurality of layers including at least a light emitting layer, is disposed between a cathode and an anode and contains the benzanthracene derivative in at least one layer in the organic thin film layer singly or as a component of a mixture. The electroluminescence device provides a great efficiency of light emission, has a long life and exhibits an excellent chromaticity.

Abstract: Provided is a white organic electroluminescent (EL) device including multiple polymer light emitting layers. a white organic electroluminescent device includes a first polymer light-emitting layer and a second polymer light-emitting layer, both of which are formed between a first electrode and a second electrode. A highest occupied molecular orbital (HOMO) energy level of the first polymer light-emitting layer is in the range 5.0 eV through 5.4 eV, and a HOMO energy level of the second polymer light-emitting layer is higher than the HOMO energy level of the first polymer light-emitting layer. Colors emitted from both of the first and second polymer light-emitting layers are combined to produce a white color.

Abstract: A translucent laminate sheet includes at least one type of organic phosphor to make wavelength conversion of light emitted from a light source, and light-transmitting members to seal the organic phosphor. The light-transmitting members are formed by two plate-like members and the organic phosphor is disposed to be held between the two plate-like members. A frame member is disposed between the two plate-like members, and the organic phosphor is hermetically sealed in a space surrounded by the frame member and the two plate-like members.

Abstract: Provided is a chemical wet preparation method for Group 12-16 compound semiconductor nanocrystals. The method includes mixing one or more Group 12 metals or Group 12 precursors with a dispersing agent and a solvent followed by heating to obtain a Group 12 metal precursor solution; dissolving one or more Group 16 elements or Group 16 precursors in a coordinating solvent to obtain a Group 16 element precursor solution; and mixing the Group 12 metal precursors solution and the Group 16 element precursors solution to form a mixture, and then reacting the mixture to grow the semiconductor nanocrystals. The Group 12-16 compound semiconductor nanocrystals are stable and have high quantum efficiency and uniform sizes and shapes.

Abstract: A process for producing light-emitting devices, particularly OLEDs, which saves material and produces a homogeneous light-emitting layer, is provided. The process involves applying layers to a substrate so as to produce a layer assembly, including the steps of 1) applying an electrode, 2) producing a surface with depressions, and 3) applying organic light-emitting material that is introduced into the depressions.

Abstract: Certain materials are electroluminescent, and this electroluminescent effect has been used in the construction of backlights for displays. Such a backlight commonly consists of a transparent front layer (11) known as the substrate carrying its rear face a transparent electrically-conductive film (12) forming the backlight's front electrode and covered by a layer of electro-luminescent/phosphor material (13) over the rear face of which is a high-dielectric layer (16) bearing on its rear face a conductive film (17) forming the back electrode. The whole is positioned behind a mask (18) that defines whatever characters the display is to show. This use of a mask has some disadvantages, some of which can be overcome by utilising an array of suitably shaped individual electrodes (21) instead of a continuous one, and by shaping the electroluminescent material itself in discrete areas (43) each tightly matching in shape and size the relevant individual shaped back electrode (21).

Abstract: A reflective organic electroluminescence panel has a first transparent substrate, a pair of first transparent electrodes disposed on one side of the first transparent substrate, a first luminescence layer disposed between the first transparent electrodes, a second transparent electrode disposed on the other side of the first transparent substrate, a reflective electrode disposed on one side of the second transparent electrode opposite to the first transparent substrate, and a second luminescence layer disposed between the second transparent electrode and the reflective electrode.

Abstract: A top emission organic EL light-emitting device on a substrate is provided which emits light from the side opposite the substrate. The organic EL light-emitting device includes a light reflection layer, a first electrode made of a transparent conductive material, a function layer including an organic EL luminescent layer that emits light, and a second electrode disposed in that order on the substrate. The second electrode includes a semi-transparent semi-reflective layer that transmits part of the light emitted from the organic EL luminescent layer and reflects the rest of the light. The organic EL light-emitting device also includes a dielectric mirror disposed between the function layer and the light reflection layer. The dielectric mirror acts as an optical resonator that strengthens light having a specific wavelength.

Abstract: An organic light emitting device has a structure in which the penetration of harmful materials into an inner functional layer is blocked to prevent the degradation of the performance of the organic light emitting device and an organic electronic device includes such an organic light emitting device.

Abstract: The invention relates to an OLED and a method for producing it. It is an object to improve the OLED with regard to its safety properties and, if appropriate, to pattern it. According to the invention, an antishatter protective layer is applied to the OLED, which is photopatterned, in particular, thereby fulfilling a multiple function. The formation of an antishatter protective composite element with a glass-plastic-glass layer sequence is particularly advantageous.

Abstract: The present invention provides an optoelectronic device comprising a light source, an encapsulant with Refractive Index n1, and a phosphor with Refractive Index n2 which is within the range of from about 0.85n1, to about 1.15n1. The present invention also provides a method of adjusting the Refractive Index nx of a phosphor which is higher than a predetermined value n2. The method comprises partially or completely replacing one or more first element(s) in the phosphor with one or more second elements which typically have lower atomic weight than the first element(s). The phosphor is chemically stable and optically comparable with the encapsulant; and the optoelectronic device has gained technical merits such as increased light output efficiency, easy manufacturability, and cost-effectiveness, among others.

Abstract: A plasma display panel and method for adjusting color temperature therefor are provided, including the steps of providing a mixed fluorescent material, a green fluorescent material, and a blue fluorescent material, and then coating the mixed fluorescent material into a rib of each red sub-pixel, coating the mixed fluorescent material into a rib of each green sub-pixel, and coating the blue fluorescent material into a rib of each blue sub-pixel. The red light-emitting portion of the plasma display panel is mixed with a proper amount of the blue fluorescent material so as to achieve a higher color temperature of the red light-emitting portion and thus a higher color temperature of the overall display panel.

Abstract: When a control substrate 23 installed on a rear face 26 of a liquid crystal module 20 is to be connected through flat cables 30 to two drive circuit substrates 24a, 24b installed on right and left areas of an upper side surface 25 of the liquid crystal module 20, each of the flat cables 30 connecting the first and second substrates is bent in such a manner that cable surface regions thereof are overlapped with each other in the middle of the flat cable, thereby cause an extension direction of the flat cable to be shifted parallel or is bent at right angles in the middle of the flat cable.

Abstract: There is provided a surface light source comprising a plurality of discharge channels, in which each end of the outermost discharge channel is expanded towards a sealing part. At least one of the plurality of discharge channels may include a curved surface part and a flat surface part on a top surface thereof. Both ends of the discharge channel may be formed to be higher than a middle portion thereof, and the discharge channels may be formed to be different in height. Accordingly, the discharge characteristic is improved and bad luminance uniformity is solved by variously changing the shape of the discharge channel forming the discharge space in a surface light source. Furthermore, the present invention solves the problems, such as failure in lighting at low temperature, channeling between adjacent channels, and maintains the quality of molded products.

Abstract: A low-pressure mercury vapor discharge lamp operates in either a first or a second mode of operation. The discharge lamp has a discharge vessel (1), enclosing a discharge space (8). A first end portion (11) of the discharge vessel is provided with a first electrode (12) and a first anode (13) in the vicinity of each other. A second end portion 21 of the discharge vessel is provided with a second electrode 22 and a second anode 23 in the vicinity of each other. While the discharge lamp operates in the first mode of operation, a discharge is maintained alternating between the first electrode and the second anode and between the second electrode and the first anode. While the discharge lamp operates in the second mode of operation, a discharge is maintained alternating between the first electrode and the first anode and between the second electrode and the second anode.

Abstract: To provide a magnetron capable of reducing noises in a low frequency band of 30 MHz or less without deteriorating the stability of a load depending on phases, and also ensuring the precision of assembly dimensions without increasing the number of components, a coiled filament 3 is arranged between an input-side end hat 61 and an output-side end hat 7 which are supported by a cathode supporting rod 8. A larger-diameter boss 61a in the end hat 61 extends to the interior of an interaction space, a smaller-diameter boss 61b and one end 3a of the filament 3 are secured to each other, and the other end 3b is secured to a boss 7a of the end hat 7. Here, the dimension of an axial free length part F which forms an electron emission part which is not secured to the end hats 61 and 7 of the filament 3 is set to 50% or more and 80% or less of the axial dimension H of plate-like vanes 2, and the electron emission part is arranged so as to be displaced to the output side.

Abstract: A thermal control plate is easily removable and replaceable in an ion source. The ion source has a removable anode assembly, including the thermal control plate, that is separable and from a base assembly to allow for ease of servicing consumable components of the anode assembly. The thermal control plate may support a gas distributor and an anode in the anode assembly. The thermal control plate may have a port for passing working gas from one side of the thermal control plate to the other. An interface surface on the thermal control plate may have a pattern of recesses to allow the working gas to disperse underneath the gas distributor.

Abstract: A gas distributor is easily removable and replaceable in an ion source. The ion source has a removable anode assembly, including the gas distributor, that is separable and from a base assembly to allow for ease of servicing consumable components of the anode assembly. The gas distributor may be mounted to a thermal control plate in the anode assembly with several set screws. The gas distributor may be disk-shaped with counterbores in a surface to recess the heads of the set screws. Alternately, the gas distributor may be clamped or held in place by other structures or components of the ion source.

Abstract: The present invention provides an integrated self-contained lighting module which can be used on its own, or in conjunction with other modules to produce white light, or light of any other colour within the colour spectrum. Each module comprises one or more light-emitting elements, a drive and control system, a feedback system, thermal management system, optical system, and optionally a communication system enabling communication between modules and/or other control systems. Depending on the configuration, the lighting module can operate autonomously or its functionality can be determined based on either or both internal signals and externally received signals.

Abstract: An organic light emitting display device including: a substrate having a pixel region and a non-pixel region; a first buffer layer and a second buffer layer formed over the substrate; a thin film transistor formed over the second buffer layer; an organic light emitting device formed in the pixel region and electrically connected with the thin film transistor; and a photo diode formed in the non-pixel region, for receiving external light of red wavelength at a certain absorption rate, and for controlling brightness of the organic light emitting device. Here, the first buffer layer can be formed to be from 2900 ? to 3100 ? in thickness, the second buffer layer can be formed to be from 200 ? to 400 ? in thickness, and the photo diode can include: an N-type doping region, a channel region being from 3 to 10 ?m in width, and a P-type doping region.

Abstract: An organic light emitting display device, which has a photo diode for receiving light of blue wavelengths. In one embodiment, an organic light emitting display device includes: a substrate having pixel and non-pixel regions; first and second buffer layers disposed over the substrate; a thin film transistor (TFT) disposed over the second buffer layer; an organic light emitting diode disposed in the pixel region over the TFT and electrically connected with the TFT; and a photo diode disposed on the second buffer layer in the non-pixel region and adapted to receive incident light of blue wavelength from an external source. A thickness of the first buffer layer ranges from 700 to 900 ?, and a thickness of the second buffer layer ranges from 500 to 700 ?. The photo diode includes N-type and P-type doping regions and an intrinsic region having a width ranging from 1 to 10 ?m.

Abstract: The invention relates to an sliding mechanism, and in particular an electronic device sliding mechanism.

Abstract: Provided is an organic EL display apparatus capable of opening and breaking a defective portion without degrading a normal portion of a pixel, and a method of producing the same. The method of producing an organic EL display apparatus in which a plurality of pixels including organic EL devices are arranged includes the steps of: forming an organic EL device formed of a light emitting layer made of an organic compound between a cathode electrode and an anode electrode (Step S1); detecting a defective pixel in which a cathode electrode and an anode electrode are short-circuited (Step 2); and repairing the defective pixel to be opened by selectively applying a voltage between the cathode electrode and the anode electrode with respect to the defective pixel (Step S3).

Abstract: An electro-optical device includes a first electro-optical element, a second electro-optical element, and a third electro-optical element. A first node is electrically connected to the first electro-optical element, a second node is electrically connected to the second electro-optical element, and a third node electrically connected to the third electro-optical element. A first resistor placed between the first node and the third node and a second resistor placed between the second node and the third node. Additionally, a first signal supplying unit that supplies a first signal to the first node and a second signal supplying unit that supplies a second signal to the second node.

Abstract: Light emitting diode (LED) lights are mixed with incandescent lights in a light string, e.g., for Christmas or other holiday season lighting. In an incandescent light string, such as a mini-light string, in which the incandescent lights are wired in series, LED lights are wired in parallel in one or more groups which are in turn wired in series with incandescent lights in described light string circuits. The LED lights may be provided in the form of an add-on LED light string, or “piggy-back” light string, that for its power supply connects with an empty bulb socket in an incandescent light string. An incandescent flasher bulb may be incorporated into the LED light string to provide surge protection as well as to enable flashing or twinkling of the LED lights. Surge protection may also be provided by an electrical shunt, e.g., a semiconductor shunt, incorporated into the LED light string, or incorporated with the associated empty bulb socket as part of the incandescent light string.

Abstract: System and method for driving a plurality of cold-cathode fluorescent lamps. The system includes a subsystem configured to receive at least a DC voltage and generate a first AC voltage in response to at least the DC voltage, a power converter configured to receive the first AC voltage and convert the first AC voltage to at least a second AC voltage, and a plurality of current balancing devices. Each of the plurality of current balancing devices is configured to receive two currents and balance the two currents. The power converter and the plurality of current balancing devices are capable of being directly or indirectly coupled to a plurality of cold-cathode fluorescent lamps.

Abstract: A current-transformed power source connecting circuit device comprises a power source plug-in, in connection with an external power source; a current transformer, having a primary and a secondary windings, the primary winding of which is connected in series to a current path of the power source plug-in for detection of a current; a main socket, capable of connecting externally to a main electrical apparatus, one end of which is connected to the current transformer; a rectifying means, in connection with the secondary winding of the current transformer, for rectification of a current from the current transformer; a switching means, for receiving a voltage from the rectifying means, which is switched on at a time that the received voltage is sufficient and switched off at a time that the voltage is insufficient; and at least one subsidiary socket, for connecting with the switching means and parallel-connection with the main socket, capable of connecting to a peripheral electrical apparatus.

Abstract: An AC LED package and circuits are disclosed along with an AC LED driver. The AC LED circuit may include as few as one LED or an array of anti-parallel LEDs driven with AC power sources and AC LED drivers at various voltages and frequencies. The AC LEDs are pre-packaged in various forms and materials and designed for mains or high frequency coupling in various forms to AC power sources, inverter type drivers or packages. The AC LED driver is a fixed frequency driver that provides a relatively constant voltage output to different size loads within the wattage limitation of the driver and in some cases is a direct mains power source.

Abstract: A discharge-lamp lighting apparatus includes first and second cold cathode fluorescent lamps (CCFLs) and first and second transformers. The first transformer has a primary winding and a secondary winding. The primary winding receives an AC voltage generated by turning on/off a first switching element pair that is connected to a first DC power source. The second transformer has a primary winding, a first secondary winding, and a second secondary winding. The primary winding of the second transformer receives an AC voltage generated by turning on/off a second switching element pair that is connected to a second DC power source. Polarities of the first and second secondary windings of the second transformer are set so that a voltages of each of the first and second secondary windings becomes additive to a voltage of the secondary winding of the first transformer.

Abstract: A discharge-lamp lighting apparatus includes first and second cold cathode fluorescent lamps (CCFLs) and first and second transformers. The second transformer has a primary winding connected in parallel to one of primary and secondary windings of the first transformer, a first secondary winding, and a second secondary winding. Each of the first and second secondary windings of the second transformer is connected to the secondary winding of the first transformer with polarities being set so that a voltage of each secondary winding of the second transformer becomes additive to a voltage of the secondary winding of the first transformer. The first CCFL is connected in parallel to a series circuit that includes the secondary winding of the first transformer and the first secondary winding of the second transformer.

Abstract: A discharge lamp lighting circuit 1 includes an electric power supply part and a control part. The control part generates a control signal (Sc) for controlling the magnitude of electric power based on a lamp voltage (VL) of a discharge lamp. The electric power supply part supplies the electric power based on the control signal (Sc) from the control part to the discharge lamp. The control part has a differential computation part for differentiating a lamp voltage corresponding signal (VS) with respect to time and generating a first differential signal Sd1 (=dVS/dt), and an integral computation part for integrating a second differential signal (Sd2) which monotonously increases and decreases as the first differential signal (Sd1) increases and decreases with respect to time and generating a first integral signal (Si1), and generates the control signal (Sc) so that the electric power decreases with an increase in the first integral signal (Si1).

Abstract: The present invention uses one or more transformers disposed between an inverter driver to drive a plurality of lamps. Each transformer has a first coil and a second coil magnetically coupled to each other. Each of the first and second coils has an input end and an output end. The input end of the first coil is operatively connected to the input end of the second coil for receiving an input current. Each of the first and second coils has a capacitor connected between the input and output ends. The output ends of the first and second coils are used to provide output current in two separate current paths. As such, the output end of a transformer can be separately connected to the input end of two lamps or two such transformers.

Abstract: A low current loss ballast operates a high intensity discharge lamp with or without radioactive krypton. A by-pass capacitor in conjunction with a resonant strike circuit limits high frequency ripple applied to a lamp during continuing operation. Different resistor combinations are connected to drive dual buck converters of the ballast. One combination is used for high frequency operation for striking. Another combination is used during low frequency operation to limit current loss. In a strike mode of operation, combinations of signals at a resonant frequency for striking and subharmonic frequencies are applied to a resonant circuit. The signals at the subharmonic have less than a 50% duty cycle.

Abstract: A light-emitting device includes an element array portion and an auxiliary interconnect. The element array portion includes a plurality of element groups. Each element group includes a plurality of light-emitting elements arranged in a first direction. Each light-emitting element has a structure such that a light-emitting layer lies between a first electrode and a second electrode. The element groups are arranged in a second direction perpendicular to the first direction. The auxiliary interconnect is formed of a material having a resistivity lower than the resistivity of the second electrode and is electrically connected to the second electrode of each light-emitting element. The plurality of element groups include a first element group and a second element group adjacent to each other and a third element group adjacent to the opposite side of the second element group from the first element group.

Abstract: An LED lighting apparatus can be configured to supply a number of LEDs connected in series with a requisite voltage and power even if an amount of forward voltage of the LEDs connected in series is larger than a supply voltage of a battery. The LED lighting apparatus can include a boosting circuit and an inverted boosting circuit. LEDs can be connected between outputs of the boosting circuit and the inverted boosting circuit. The LED lighting apparatus can also include a current detection circuit configured to detect an LED current, and can include a dual PWM control IC configured to control the boosting circuit and the inverted boosting circuit in accordance with the LED current detected by the current detection circuit so as to keep the LED current substantially constant. The LED lighting apparatus can include a shutdown circuit to stop supplying a power supply when a load that includes the LEDs is in a circuit that is either opened or shorted.

Abstract: A distributed intelligence lighting system is comprised of a global controller, one or more local controllers, wall stations, sensors and lighting fixtures. In one aspect, the lighting system provides schedule-based, occupancy-based, and/or daylight-responsive automated control and multi-level or ON/OFF manual control of lighting loads. System components communicate over a topology-free and polarity-free modular low voltage digital network that combines power and control wiring in an easily installed labeled and keyed cable. Embodiments according to the system do not require any components to be addressed, manually configured, or programmed (beyond setting the project location and current time and date) for energy code compliance. Manual and after-hours override control is accomplished via local low voltage wall stations or occupancy sensors.

Abstract: A method for producing radioactive isotopes for positron emission tomography is provided. The method includes generating radioactive isotopes by the acceleration of a projectile in a linear accelerator that is operative to accelerate at least two different projectiles.

Abstract: A roller shade structure controlled by radio-frequency (RF) wireless communication from a control device comprises a roller tube and a conductive enclosure. The conductive enclosure is mounted inside the roller tube for enclosing a motor drive system having a motor operable to controllably rotate the roller tube in a direction at a speed when a voltage is applied to the motor. A capacitive coupling is provided between the enclosure and the roller tube, the capacitive coupling providing an increased signal strength of RF signals received by the RF receiver.

Abstract: The invention relates to a power system comprising at least two self-controlled synchronous machines (MS1, MS2) operating in parallel synchronously, a central three-phase converter (20; 50) to which all these machines are connected in parallel, at least two rotor position sensors (23, 24; 45, 46, 47, 48), characterised in that it comprises at least one control module (25; 30, 31; 53, 54, 55, 56) that receives phase currents from each synchronous machine, signals output from position sensors (23, 24), and a required reference torque value (Cref) and that powers the three-phase central converter (20) so as to slave the phase currents for each machine as a function of the required reference torque (Cref). The invention also concerns a control method for such a system.

Abstract: The invention relates to an electric household food preparation appliance comprising a control/command device consisting of: means for evaluating the load or resisting torque (C1, C2, C3) applied to the motor; and means for automatically switching the operation of the appliance from a first mode to a second mode when the load drops below a first predetermined threshold (SB), the operating speed of the appliance decreasing when the load drops from a value greater than the first threshold (SB) to a value lower than the first threshold (SB). According to the invention, the control/command device of the appliance comprises means for automatically switching the operation of the appliance from the second mode to the first mode when the aforementioned load rises above a second predetermined threshold (SH), the operating speed of the appliance increasing when the load rises from a value lower than the second threshold (SH) to a value greater than the second threshold (SH).

Abstract: A motor driving semiconductor device has: six switching elements for driving a three-phase motor; three output terminals for applying output voltages to three terminals of coils of the three-phase motor; drive circuits for driving the six switching elements; and six control signal input terminals for receiving six control signals for on/off control of the six switching elements, wherein the motor driving semiconductor device is formed by sealing at least one semiconductor chip in one package with resin, and further includes a dead time generation function of generating a dead time relative to the six control signals.

Abstract: [PROBLEMS] To ensure visibility of the driver by continuing operation of a wiper even upon failure of a sensor for a motor rotation pulse. [MEANS FOR SOLVING PROBLEMS] A wiper arm is reciprocated for wiping by rotating a motor forward and reversely, and the operation of the wiper arm is controlled according to an absolute position signal outputted when the wiper arm exists at a predetermined position and a motor pulse outputted as the motor rotates. Input of the motor pulse is recognized (S32). When an abnormality occurs in the motor pulse, the motor is rotated forward for a predetermined time at a constant duty (S33). After a forward driving, the motor is rotated reversely for a predetermined time at a constant duty (S34). Consequently, the wiper arm continues reciprocal wiping operation even when a relative position signal is abnormal, thus ensuring visibility of the driver. Forward/reverse operation is continued for a predetermined time, and then the motor is stopped (S35,S36).

Abstract: Disclosed is a method for braking or stopping an electromotor which can be operated with direct current, such as a brushless direct current motor. If there is an error in the electromotor or in the electronic or mechanical units connected to the electromotor, the presence of definite error states is verified, and the electromotor is braked, by carrying out, taking into consideration a maximum loading capacity of an electronic control unit which is connected to the electromotor, at least temporarily, a control of the electromotor which is adapted to the detected, definite error state.

Abstract: A drive, including at least a brake and an electromotor, is connected to an output stage with the aid of supply lines, the brake being supplied from a brake control, the brake control being connected to the supply lines for its supply, via capacitors.

Abstract: To stop, in an emergency, a revolving superstructure quickly from rotating while preventing damage of a mechanical brake. A revolving superstructure is driven swiveling using a permanent magnetic-type swiveling electric motor; in an emergency, such as a malfunction in a drive or control system for the swiveling electric motor, allowing electric power generated in the electric motor due to inertial rotation to be consumed in an external braking resistor so as to make an electric braking action; and a mechanical brake is activated to stop the rotation and hold the stopped revolving superstructure when a rotation speed of the revolving superstructure becomes equal to or lower than a preset value.

Abstract: In a control apparatus of an electric power steering apparatus constructed so as to calculate a current command value of a motor for applying steering assist force to a steering mechanism based on steering torque and a vehicle speed and drive and control the motor based on the current command value, there are provided an SAT detection part for detecting or estimating an SAT detection value, a standard SAT calculation part for calculating a standard SAT value based on a steering angle and the vehicle speed, and a correction part for calculating a correction amount based on the SAT detection value and the standard SAT value and correcting the current command value.

Abstract: An apparatus on a spinning room machine, especially a spinning preparation machine, is arranged for monitoring an electric drive motor, which is connected to an electronic speed-setting and/or regulating device, a rotating operating element being connected to the drive motor. In order to monitor the drive motor so that no damage occurs even under different operating conditions, there is a device for automatically determining the loading of the drive motor during operation, which is connected to a device for comparison with pre-set values for the loading, to which there is connected a display and/or switching device which can be supplied with electrical signals in the event of departures.