Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Combined
Patent
1998-06-15
1999-09-07
Mai, Huy
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Combined
351122, G02C 100
Patent
active
059495162
ABSTRACT:
An eyeglass locator system for locating misplaced eyeglasses having a frame and a pair of earpieces extending rearwardly from the frame, comprising a transmitter and a receiver portion. The transmitter is preferably keychain attachable, and produces a radio frequency signal when activated by means of a button. The receiver portion is located at the eyeglasses and produces and audible and/or visual alert in response to the radio frequency signal. The receiver portion is preferably either encapsulated within one or both of the earpieces at its distal end, or is located in a sleeve which is mounted over the distal end of one or more of the earpieces of an existing pair of eyeglasses.
REFERENCES:
patent: 3390938 (1968-07-01), Gansz
patent: 3853393 (1974-12-01), Fila
patent: 4086004 (1978-04-01), Scrivo
patent: 5423215 (1995-06-01), Frankel
patent: 5606743 (1997-02-01), Vogt
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