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System for magnetically attaching templeless eyewear to a person
A system of eyewear that eliminates the need for hinges on the frames of the eyewear.
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| Number | Title | Issue Date |
| 7323845 | Apparatus for controlling operation of compressor and method therefore Provided is an apparatus for controlling an operation of a compressor which can always apply a constant voltage to the compressor without noise and a method therefor. The apparatus for controlling the operation of the compressor includes: a triac electrically connec... | 01/29/2008 |
| 7298283 | Device for detecting line-disconnection in stepping motor driver A device for detecting disconnection for use in a stepping motor driver is provided having a driver circuit 3 which comprises a pair of windings 21, 22 wound in a bifilar turn arrangement; a pair of MOSFETs 1, 2 connected to the other end of eac... | 11/20/2007 |
| 7245105 | Single-phase induction motor and method for reducing noise in the same A single-phase induction motor and a method for reducing noise in the same, which can eliminate unbalance between magnetomotive forces of main and auxiliary windings in a stator of the motor, thereby implementing a low noise, low vibration motor, and can also achiev... | 07/17/2007 |
| 7203047 | Combination current sensor and relay A protection device for monitoring current in a power cable to an electrical device and for controlling a remotely located starter for the electrical device in response to a system controller. The device includes a transformer magnetically linked with the power cabl... | 04/10/2007 |
| 7193829 | Combination current sensor and relay A protection device for monitoring current in a power cable to an electrical device and for controlling a remotely located starter for the electrical device in response to a system controller. The device includes a transformer magnetically linked with the power cabl... | 03/20/2007 |
| 7180534 | Scanning assemblies, printing devices, and related methods Scanning assemblies, printing devices, and related methods are described. In one embodiment, pole pieces are configured to be coupled with an input voltage source that can produce phase-shifted input voltages, the pole pieces defining at least first and second phase... | 02/20/2007 |
| 7030773 | System and method for communicating with an appliance through a light emitting diode An apparatus includes a controller for controlling operation of an appliance, an indicator light coupled to the controller to provide a visible indication of an operator selection in response to the controller energizing the indicator light, and a driver coupled to ... | 04/18/2006 |
| 7023167 | Control arrangement for an induction motor compressor having at least three windings, a torque-augmentation circuit a starting capacitor and a resistive element Apparatus for driving a three-phase compressor assembly from a single-phase electrical power supply having first and second power lines, said three-phase compressor assembly comprising a compressor having a rotatable shaft, an electrical motor having a rotatable sha... | 04/04/2006 |
| 6950292 | Combination current sensor and relay A protection device for monitoring current in a power cable to an electrical device and for controlling a remotely located starter for the electrical device in response to a system controller. The device includes a transformer magnetically linked with the power cabl... | 09/27/2005 |
| 6921874 | Rotational speed switching apparatus of a ceiling fan A rotational speed switching apparatus includes a seat body in which a rotary shaft is pivotally disposed and a pull rotary assembly for driving the rotary shaft to one-way circularly rotate. Each time the rotary shaft rotates, the rotary shaft rotates by 72 degrees... | 07/26/2005 |
| 6919815 | Appliance control communication methods and apparatus An apparatus includes an appliance control panel and a controller. The appliance control panel is disposed on an appliance. The appliance control panel has first and second optical communication devices that are in communication with an external surface of the appli... | 07/19/2005 |
| 6847186 | Resonant motor system In a resonant motor system, an electrical motor having a stator with one or more windings, a rotor which may or may not be wound, and an air gap between the stator and the rotor for storing magnetic energy such that the motor exhibits a definite electrical inductanc... | 01/25/2005 |
| 6616416 | Methods and system for motor optimization using capacitance and/or voltage adjustments A system and method for controlling a variable capacity compressor driven by a motor. Preferably, said system and method are used with a reversible, two-stage compressor motor. In one embodiment, the method includes, for example, operating the variable ca... | 09/09/2003 |
| 6490158 | Motor start capacitor assembly A motor start capacitor assembly for providing an enclosure for a motor start capacitor and a thermistor electrically connected in series. The enclosure is constructed of a low temperature plastic case and cap with a high temperature plastic core for supp... | 12/03/2002 |
| 6348752 | Integral motor and control An energy efficient low-power integral electronically commutated fan motor and control circuit assembly mounted on a circuit board for use in refrigerators utilizing a Hall sensor to provide positional control signals for sequential energization of the wi... | 02/19/2002 |
| 6331760 | Capacitive induction motor and method An improved induction motor having at least one capacitive element electrically connected in parallel with and tapped to each phase of a delta- or wye-wound stator winding such that the capacitive elements are alternately charged or discharged during oper... | 12/18/2001 |
| 6051953 | Brushless exciterless field system for AC synchronous machines A three phase AC motor which rotates at the synchronous speed determined by the number of poles of its main stator winding and the frequency of the AC input to it, which does not need any exciter machine or brushes to provide its DC field current, but has... | 04/18/2000 |
| 6049188 | Single-phase motor starters For a three-winding motor, a starting capacitor bank provides balanced currents in the windings, a high starting torque, and unity power-factor current in the single-phase supply line. A run-capacitor bank provides full-load balanced currents and a leadin... | 04/11/2000 |
| 6025693 | Motor starter An improved method of starting three-phase and three-winding induction motors from a single phase supply reconfigures the 6 accessible windings of a standard induction motor into first an optimal starting configuration which, for example, may reduce start... | 02/15/2000 |
| 5982122 | Capacitively powered motor and constant speed control therefor A capacitively powered motor having a power switching circuit adapted to be connected between a power source and its winding for selectively energizing the winding to generate a magnetic field which causes a rotating assembly to rotate. A position sensing... | 11/09/1999 |
| 5869942 | Noise suppression in relay-switched motors Noise suppression system for a relay-switched windshield wiper, wherein reversal of current to a motor driving the wiper causes the motor to reverse. Filters contained within the motor, together with filters and shielding located external to the motor, su... | 02/09/1999 |
| 5861697 | Single-phase induction motor and rotor assembling apparatus The invention relates to a single-phase induction motor comprising a main winding, an auxiliary winding which is arranged so that an electrical angle of the auxiliary winding is different from that of the main winding, a plurality of driving capacitors wh... | 01/19/1999 |
| 5598080 | Starting device for a single-phase induction motor The single-phase induction motor has a starting device which is activated during the start-up phase of the motor and exposes at least a part of the motor coil to a voltage which changes temporarily, the average value of the voltage formed during one perio... | 01/28/1997 |
| 5561357 | Starting device and circuit for starting single phase motors An auxiliary capacitance starting device is connected by only two wires to a capacitor start-induction run (CSIR) or permanent split capacitor (PSC) motor. The device includes an auxiliary start capacitor and an electro-mechanical switching relay that has... | 10/01/1996 |
| 5559418 | Starting device for single phase induction motor having a start capacitor A starting device for single phase induction motors having a start capacitor is effective to disconnect the start capacitor at a desired motor speed in response to a specific phase relationship between the voltage across the main winding and the voltage a... | 09/24/1996 |
| 5514943 | Multi-speed motor control system A motor control system for a multi-speed electric motor electrically excited by a power source having at least two terminals. The motor controller system includes a switching device electrically connected to the terminals of the power source for alternati... | 05/07/1996 |
| 5359273 | Load-control circuit for a mains-powered asynchronous single-phase capacitor motor Disclosed is a circuit for controlling the load of an asynchronous motor (11), the circuit comprising two capacitors (19, 20), one of which (20) can be connected, by means of a switch (70), in parallel with the other (19). Control is provided by a current... | 10/25/1994 |
| 5356266 | Centrifugal pump unit The centrifugal pump unit has a split tube motor in the form of a single phase induction motor with at least one power winding and a starting winding accommodated in a split tube casing. For the purpose of unblocking the rotor, a rectifier element is prov... | 10/18/1994 |
| 5300871 | Dual capacitor speed control apparatus and method for electric motor An induction motor speed control apparatus and method wherein various capacitors are switched in series with the auxiliary winding of an induction motor and, during such switching, the power source is disconnected from the main and auxiliary windings and ... | 04/05/1994 |
| 5247236 | Starting device and circuit for starting single phase motors An auxiliary capacitance starting device is connected by only two wires to a permanent split capacitor motor. The device includes an auxiliary start capacitor and a control relay which has a set of normally closed contacts, a coil, and a resistor. The aux... | 09/21/1993 |
| 5227710 | Multiple speed single phase motor A multiple speed alternating current motor is disclosed for operation from a source of single phase alternating current power. For high speed operation, first and second windings are supplied with operating power through a multiple position switch. These ... | 07/13/1993 |
| 5162718 | Starting device and circuit for starting single phase motors An auxiliary capacitance starting device is connected by only two wires to a permanent split capacitor motor. The device includes an auxiliary capacitor and a potential relay which has a set of normally closed contacts and a relay coil. The auxiliary capa... | 11/10/1992 |
| 5140246 | High performance high speed starter for an x-ray tube rotor A sationary rotatable anode (42) of an x-ray tube (10) is electrically connected to a high speed starter (24). The starter (24) includes an inductive rotor (44) connected to the anode (42), a main stator winding (50) and an auxiliary stator winding (52). ... | 08/18/1992 |
| 5017853 | Spikeless motor starting circuit A capacitor-start capacitor-run single phase AC induction motor control starting circuit is provided which minimizes first cycle current spiking magnitude, and also minimizes cycle to cycle current spiking magnitude, without a choke or inductor in the loo... | 05/21/1991 |
| 4896063 | Electromagnetic induction devices with multi-form winding and reflected magnetizing impedance An electromagnetic induction machine having inductively coupled primary, secondary and tertiary branch windings. The exciting current of the primary branch is transformed or reflected, via the inductive coupling, to an electrically separate secondary or t... | 01/23/1990 |
| 4794288 | Series resonant capacitor motor A series resonant capacitor motor is operated from a source of single phase alternating current power, and the start and run windings are wound on the stator electrically angularly displaced from one another by 90°. The run winding is of heavy wire, and ... | 12/27/1988 |
| 4791340 | Induction motor drive arrangement A self-excited induction motor variable speed drive using a known self-excitation method in which a capacitor is connected in parallel with the motor. Power is supplied by a supply convertor, a D.C. link and a motor convertor, the latter running at the mo... | 12/13/1988 |
| 4719399 | Quick discharge motor starting circuit A motor starting control circuit is provided with an auxiliary switch (100), including a triac (102) and series resistor (114), connected across the start capacitor (5) for quickly discharging the start capacitor (5) upon disconnection of the start capaci... | 01/12/1988 |
| 4697132 | Reduction of voltage drop in power distribution systems and of loss of motor torque Apparatus and method for reducing the voltage drop in an electrical power distribution system during the starting of a multi-phase induction motor having stator windings supplied therefrom and for decreasing the loss in starting torque of the motor. A cap... | 09/29/1987 |
| 4675565 | Capacitor-start parallel resonant motor An electric current motor is operated from a single phase of alternating current power source, and functions with low surge operation at motor start. The motor includes first and second windings of substantially the same wire size angularly displaced from... | 06/23/1987 |
