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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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Class 338/10 - Filament or wire resistance elements


Subclass of Class 338 - Electrical resistors
Definition: Subject matter wherein both the resistance elements or the
No. of patents: 5
Last issue date: 02/26/2008


NumberTitleIssue Date
7335862Resistance heater having a thin-line-shaped resistor
A resistor heater includes an anode (10) arranged along one side and a cathode (20) arranged along the other side of a thin-line-shaped resistor (30). The anode (10) is connected to the resistor (30) at connections points (P2
02/26/2008
7109781Temperature compensation for internal inductor resistance
A compensation circuit compensates for the variation in the internal resistance of a multi-track inductor over temperature. The compensation circuit includes a dummy inductor that has the same temperature dependent resistance as that of the multi-track inductor that...
09/19/2006
5248955Circuit arragement for compensation for the influence of temperature on coil quality
In many cases, the influence of temperature on the quality of a coil has a disturbing effect. Therefore, a coil inductance is produced such that the influence of temperature on the quality of the coil is substantially compensated for in a particular range...
09/28/1993
5239283Circuit arrangement for compensating for the influence of temperature on coil quality
To compensate for the temperature dependence of a resonant circuit, it is known to use an a.c. current source, with which the resonant circuit is excited in dependence upon the ohmic resistance of the coil conductor material. The task of compensating for ...
08/24/1993
4070641Current limiting circuit breaker
An iron wire resistor connected in shunt with the current limiting contacts of a circuit breaker. The current limiting contacts are in series with the main contacts of the breaker, and are separated by extremely high fault currents before the main contact...
01/24/1978
 
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