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 |
| 7235891 | Power system having generator driven by engine An apparatus for controlling the operation of power conditioners (10) for supplying the generated power to an external power system such as a commercial power system, in which power conditioners (10) are interconnected to an external power system, the ... | 06/26/2007 |
| 7227288 | Apparatus and method for increasing efficiency of electric motors A single or multiphase alternating current electric motor or synchronous generator includes main windings and additional windings that perform de-saturation of the magnetic field of the main windings. Each additional winding is fed through at least one capacitor in ... | 06/05/2007 |
| 7088027 | Rotating asynchronous converter and a generator device The present invention relates to a rotating asynchronous converter and a generator device. The converter comprises a first stator connected to a first AC network with a first frequency f1, and a second stator connected to a second AC network with a second... | 08/08/2006 |
| 6998752 | Dynamo-electric machine Conductor bars 7a and end rings 7b, 7c of a rotor 5 of a rotary electric machine are made of an aluminum material. The end rings 7b, 7c are electrically and mechanically joined to the oppos... | 02/14/2006 |
| 6275405 | Motor drive circuit A phase converter for converting single-phase power to three-phase power, wherein the single-phase power is provided at a first and a second single-phase power terminal and the three-phase power is provided to a first, a second and a third three-phase pow... | 08/14/2001 |
| 5293108 | Static phase converter A relatively compact static phase converter is adapted to be disposed within the housing of an appliance, such as a refrigeration unit, making it thus suitable for residential as well as commercial applications. The static phase converter is formed as a m... | 03/08/1994 |
| 5065305 | Rotary phase converter having circuity for switching windings to provide reduced starting current with rapid, dependable starting A starting system for a rotary dynamoelectric converter is disclosed. The converter is of the type having three sets of windings wired in either delta or wye configuration. Each set of windings consists of two coils normally connected in parallel within t... | 11/12/1991 |
| 4777421 | Phase converter for motor A single-phase to three-phase converter for starting and running a single, three-phase, load carrying induction motor having first, second and third Y-wound stator windings from a single phase power supply comprising a connector for connecting the input c... | 10/11/1988 |
| 4719560 | Rotary phase generator and system A rotary phase generator for generating 3 phase voltage is provided which can operate off of 230 or 460 volts A-C. Also provided is a rotary phase generator which has two groups of running capacitors for providing a stable voltage on the third phase at no... | 01/12/1988 |
| 4656575 | Single phase to three phase dynamoelectric converter Single phase to three phase dynamoelectric converter for generating three-phase current from a single-phase input comprising a three-phase electric motor generator having first, second and third Y-wound stator windings, a bank of run capacitors connected ... | 04/07/1987 |
| 4410807 | Regulating device for polyphase electrical circuits A regulating device for a polyphase electrical circuit, having a motor with windings corresponding to the main supply lines for the circuit. Leads are connected to each of the windings and contain a relatively low m.f.d. capacitor for suppressing spikes a... | 10/18/1983 |
| 4249237 | Rotary phase converter A rotary phase converter for connection to a single-phase a.c. power source and adapted to supply polyphase current to a polyphase electrical load. The converter includes a dynamoelectric machine having at least three stator windings and at least first, s... | 02/03/1981 |
| 4158225 | Rotary dynamoelectric machine having high-resistance rotor A rotary dynamoelectric machine having a generally annular polyphase stator with a predetermined number of wound poles and an induction rotor. The rotor has a cylindrical laminated ferromagnetic core positioned within the stator for rotation about a centr... | 06/12/1979 |
| 4079446 | Rotary phase converter A self-starting rotary converter for connection to a single-phase a.c. power source and for supplying polyphase current to a polyphase electrical load. A generally annular polyphase stator has a predetermined number of poles and at least three stator wind... | 03/14/1978 |
| 4039922 | Method of converting phase and frequency using a dynamo-electric machine A dynamoelectric machine stator has a primary winding for single phase alternating current input and a secondary winding for polyphase alternating current to be supplied from output terminals. The secondary winding is connected such that at least two freq... | 08/02/1977 |