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Patent No. 5719655

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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Inventor: Warren E. Guthrie


Address: Wheaton, IL
No. of patents: 8
Last patent issue date: 04/11/2000

NumberTitleIssue Date
6049278Monitor tag with patch antenna
A monitor tag having a radio frequency transmitter and a patch antenna. The antenna is in communication with the transmitter and has a first conductive patch and a second conductive patch substantially parallel to each other, and separated from each other...
04/11/2000
6035260Wrist strap integrity check circuitry
Improved electronic circuitry incorporated into a tag attached to a user worn wrist strap of a static electrical discharge dissipation system. The electronic circuitry monitors the electrical connection of the wrist strap from the user to ground, and comp...
03/07/2000
5959584Vehicle communications system
A vehicle having a plurality of antennas each in association with a communications transmitter device disposed within the vehicle to thereby provide multiple signal transmission sites. At least one antenna is disposed substantially at a top site of the ve...
09/28/1999
5872455Wrist strap test mode circuitry
Improved electronic circuitry incorporated into a tag attached to a user worn wrist strap of a static electrical discharge dissipation system. The electronic circuitry monitors the electrical connection of the wrist strap from the user to ground and tests...
02/16/1999
5844942Pulse position modulation communications protocol
A method for modulating a radio signal has the steps of: predetermining a first time interval so as to define a data word; generating a synchronization pulse, the synchronization pulse initiating a single data word having a length of the predetermined fir...
12/01/1998
5801643Remote utility meter reading system
In a method for transmitting a desired parameter to a remote location, the desired parameter is first communicated to a base transmitter. Then, the base transmitter transmits a first radio signal therefrom having an unknown center frequency within a known...
09/01/1998
5757312Method and apparatus for hard-wired adaptive cancellation
Hard-wired analog adaptive cancellation for microwave receivers to cancel the interference generated by co-located transmitter employs a circuit having two or more quadrature taps on a delay line. The least and greatest delays provided by the delay line t...
05/26/1998
5748047Microwave frequency generator and method of generating a desired microwave frequency signal
A microwave frequency generator and method of generating a predetermined microwave signal. The invention comprises oscillator means to generate a determinable frequency signal and means responsive to the frequency signal received from the oscillator means...
05/05/1998
 
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