| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 310073000 | Illuminating devices | 6 |
| 20080203834 | Motor Used to Drive Optical Elements - A motor used to drive optical elements includes a stator, a rotor revolved relative to the stator, and a feedback apparatus used to sense the position of the rotor. The feedback apparatus is an encoder. The invention utilizes such described structure so as to eliminate the system's instability caused by the drift of the conventional capacitive type transducer or an inductance type transducer. Moreover, the response of the motor used to drive optical elements has been improved greatly by utilizing multipole motor. | 08-28-2008 |
| 20080203835 | Motor Drive Assembly - An electronic control unit (ECU) for a motor is mounted to a drum housing or the like in a plane parallel to the plane defined by the surface of the drum housing on which the motor is mounted. The housing for the motor includes an aperture window. Power contacts from the ECU mate with contacts from the motor through the window. Hall-effect sensors attached to the ECU can extend through the aperture to be proximate a ring magnet attached to the armature shaft of the motor. Alternatively, flux guides attached to the drum housing to transmit magnetic flux information from the motor to the Hall-effect sensors. Alternatively, optical sensors attached to the ECU can detect rotations of a reflector ring attached to the armature shaft through the window. | 08-28-2008 |
| 20110187214 | Actuator assembly having operation indication function - An actuator assembly having an operation indication function is disclosed. The actuator assembly includes an actuator, a controller and an indication lamp set. The actuator has a motor, a screw, and an extension rod, which has limit positions connected with a limit switch set. The controller controls the motor of the actuator to rotate clockwise or anticlockwise. The indication lamp set is settled on at least one point on a circuit between the actuator and the controller and electrically communicated with the limit switch set. Thereby, when the extension rod touches any of the limit positions and thus triggers the limit switch set, the indication lamp set illuminates to indicate that the extension rod of the actuator reaches the corresponding limit position. | 08-04-2011 |
| 20140028131 | MOTOR FOR A ROTATABLE AND ILLUMINABLE POINTER - The present invention relates to a motor designed for being mounted on a circuit board, the circuit board having a pointer side and a rear side. The motor can be used for rotating an illuminated pointer. The motor comprises a light conveying pointer shaft for projecting through the circuit board from the rear side of the circuit board to the pointer side of the circuit board. The pointer shaft is arranged to convey light to the pointer. The motor further comprises a light guide for conveying light from a light source mounted on the circuit board to a rear end of the pointer shaft, the rear end of the pointer shaft being on the rear side of the circuit board. Thus, the motor can be advantageously mounted on the rear side of the circuit board. | 01-30-2014 |
| 20140265675 | SYSTEM AND METHOD FOR MONITORING THE STATUS OF ONE OR MORE COMPONENTS OF AN ELECTRICAL MACHINE - A monitoring apparatus configured for monitoring a carbon brush of a brush holder assembly of an electrical machine. The monitoring apparatus may include a flexible sensor and a signal processing circuit for processing a signal received from the flexible sensor. The flexible sensor may have an electrical resistance that varies based on a radius of curvature of the flexible sensor, wherein the radius of curvature of the flexible sensor may be associated with a deflection of a spring providing a force to engage the carbon brush with a rotating component of the electrical machine. The signal processing circuit may be coupled to the sensor and may be configured to determine a measure of a wear state of the carbon brush using information about the variable resistance of the flexible sensor. | 09-18-2014 |
| 20150022039 | ELECTRIC MOTOR - An electric motor includes a signal device ( | 01-22-2015 |
