Abstract: Electronic system for authenticating a user of an electronic service, said system preferably comprising at least one server apparatus, the system being configured to store, for a number of users, a plurality of personal voice-prints each of which being linked with a dedicated visual, audiovisual or audio cue, for challenge-response authentication of the users, wherein the cues are user-selected, user-provided or user-created, pick, upon receipt of an authentication request associated with a claim of an identity of an existing user of said number of users, a subset of cues for which there are voiceprints of the existing user stored, and provide the cues for representation to the user as a challenge, receive sound data indicative of the voice responses uttered by the user to the represented cues.

Abstract: A pair of spectacles which comprises (A) a pair of lenses, each lens having an engaging portion on its periphery, and (B) a pair of temple arms, each of which comprises (1) a side member, (2) an auxiliary member, and (3) a return member which comprises an attachment portion fitted to an engaging portion of a lens; the auxiliary member (i) being connected to the side member and to the front of the return member, and (ii) providing a front surface of the temple arm.

Abstract: An eyeglass frame with replaceable lenses comprises an eyeglass frame with a pair of upper support sides and associated insertion recesses and a pair of lenses with associated insertion portions for engaging the insertion recesses. Two temples are pivotally connected to the two lateral sides of the eyeglass frame, each having a front hole for retaining a corresponding block piece. Each of the lenses further includes a notch on the exterior side of the lens under its insertion portion that can be engaged with a corresponding block projection and locked by a corresponding block flange on a corresponding block piece. Therefore, the lenses will be stably mounted on the eyeglass frame. To dissemble the eyeglasses form the eyeglass frame, the temples are folded so that the block pieces are separated from the front holes. The block pieces are pressed, and then the lenses are pushed outward.

Abstract: A detachable eyeglass frame and aviator lens arrangement for eyeglasses is disclosed to include an eyeglass frame having two aviator lens positioning structures, each aviator lens positioning structure having a first magnet disposed at one lateral side and an aviator lens retainer at the other lateral side, and two aviator lenses respectively detachably fastened to the aviator lens positioning structures, each aviator lens having a first lateral side which inserts into the aviator lens retainer and connectable to the aviator lens retainer by friction resistance, and a second lateral side provided with a second magnet connectable to the first magnet of one aviator lens positioning structure by magnetic attraction.

Abstract: The invention concerns eyewear with means for interchanging a lens including non-rectilinear assembly zones provided on lateral edges of the lens, zones for receiving the assembly zones, one of which is formed at least partly by a piece mobile relative to the frame, and retaining means for normally maintaining the mobile piece in an engagement position.

Abstract: Clamping mechanism of spectacle lens is provided, which does not involve any complications in assembly, but allows the spectacle lens to be held in place with facility and renders the spectacles smart and shapely in design. A pair of glasses or a lens is stably and accurately supported in front of the eyes by poking the projections provided to either the front bar or the rim frame to support the same through at least two points of the same for clamping. The facility of clamping the lens or lenses allows the labor for the assembly of the spectacles to be lightened as well as the production cost thereof to be reduced, which facility also renders the spectacles as assembled smart and shapely in design, so that its industrial applicability is very high.

Abstract: Eyeglasses with lenses rapidly changeable includes a frame pivoted with two temples at both sides, and two lenses fitted in its lower portion. The frame formed as a rectangular body includes two nosepieces in its central portion and each having a supporting edge; two grooves at its left and right sides for fitting the lenses; a through recess and a through hole at both sides of each of the grooves; and a stop edge and a stop rod below the through recess and through hole. Each of the lenses has two engagement portions formed outwardly and at both ends of the lens for being fitted into both ends of the groove, two notches below the engagement portions for being engaged with the stop edge and the stop rod, and a central edge rested against the supporting edge of the nosepiece, by which the eyeglasses with lenses rapidly changeable is structured.

Abstract: Eyeglasses with lenses changeable include a frame provided with two semi-rims, and two lenses. The semi-rims have two bent insert means formed in two ends to fit in two insert holes bored in the two opposite sides of the two lenses. The two lenses respectively have an intermediate insert grooves formed in an upper curved edge for each semi-rim to fit therein so as to let each lens combined stably with each semi-rim without swaying or falling off. Thus the lenses may be assembled with the semi-rims easily and quickly, and in addition may be changed to other ones of different colors.

Abstract: Spectacles with an improved fastening of spectacle lenses on a rimless spectacle mount have a spectacle lens which is secured to the spectacle mount with at least one filament which partially encloses the periphery of the spectacle lens. The spectacle lens is provided with at least one through-opening for the filament. The filament is guided through the through-opening and has a thickened portion behind and/or in front of the spectacle lens. The thickened portion is thicker than the width of the through-opening. The filament is wound around the spectacle mount at least once.

Abstract: A modular reader assembly, with a wire frame construction is provided. A pair of eyeglass lenses are releasably engageable with the frame assembly by use of a spring-biased wire frame material. Each of the lenses are secured in place by at least three contact points at notches positioned at the inner, upper and outer edges of the lens. Lenses of different sizes, configurations, thicknesses and powers are easily accommodated even where the sizes and configurations of the lenses differ between the left and right eyes.

Abstract: An eyeglass frame that allows the lenses to be changed including a front and temples, the front including two rims, a nose engagement seat between the rims, two side retaining seats disposed at both sides of the front respectively, and a slide block for coupling to the nose engagement seat. The nose engagement seat has an outwardly projecting block on its outer surface. The slide block is formed with a grove shaped to match the projecting block such that it may slid over the projecting block to be coupled thereto and cover parts of the rims. The side retain seats are formed with curved grooves for the lenses. The projecting block of the nose engagement seat and the groove of the slide block are interchangeable. Besides, the nose engagement seat may be replaced by a securing seat having retaining grooves at both lateral sides thereof, and two side slide blocks are provided near both ends of the front respectively.

Abstract: Glasses are described having a frame which accepts a lens. No screws or other fasteners are required. The lens fits within a first and second groove in the frame. A unitary lens design is preferred having a first and second lens portions. The lens can be tinted or clear, can contain corrective or noncorrective optics.

Abstract: Eyeglasses having interchangeable lenses which are held in place by inner and outer lens attachment clips mounted at the bridge and temple, respectively, of the frame. The frame and/or lens is resilient so that the frame or lens can resiliently deform to allow the lenses to slide from beneath the lens attachment clips, yet the frame securely holds the lenses in place during use.

Abstract: An interchangeable eyeglass lens system for sunglasses and other eyewear so that more than one pair of lenses can be used with a particular frame. Lenses particularly adapted for interchangeability and having concavities on the lens periphery for engaging fastener devices, such as studs, resilient tangs, and spring loaded detents on the frame, are included in the system, which allows for the use of a relatively expensive or rigid frame without compromising the structural integrity of the overall eyeglass set. A complete system would have a pair of removable lenses, a frame having a nosebridge which can be removable also, and fasteners mounted on or within the frame or nosebridge for releasably holding the lenses in place on the frame by interengaging the concavities on the lenses. A removable nosebridge with antirotational device, and a spring loaded detent system adapted for use in the system are disclosed, as is a method of removably attaching a lens to the frame of the invention.

Abstract: Semi-rimless and rimless eyeglass frame assemblies. The semi-rimless frame assembly includes an eyewire extending along the upper and side edges of a lens, a nose bridge, and a pair of endpiece assemblies. The endpiece assemblies have channels for receipt of the eyewire and the lens, and through holes on each side of the channels, aligned with apertures in the lens, for receipt of means to secure the lens to the frame assembly. The endpiece assemblies are pivotally connected to temples.

Abstract: In eyeglasses comprising glass-holding means which comprise pairs of retaining pins, which extend in respective bores of the lenses and are carried by a lens-holding portion of the eyeglass frame, it is desired to provide lens-holding means which are simple in design. To that end each pair of the retaining pins are constituted by two legs of a U-shaped wire and are connected by a crosspiece, which is connected to the lens-holding portion of the eyeglass frame.

Abstract: An eyeglass construction in which the separate lenses thereof are directly attached to a laterally extending brow bar includes a pair of rearwardly extending threaded posts adapted to pass through spaced openings in the upper peripheral portion of each lens whereby the lenses and brow bar are affixed to each other by nuts engaging said threaded posts, said openings and posts extending substantially perpendicular to the rear plane of each lens. Each of the posts is adapted to extend through a spacing bushing disposed between the opposed lens and brow bar surfaces such that the lenses and the brow bar are spaced away from each other, thus providing clearance between the lens and the brow bar, even at the point of maximum curvature of the lens. The length of the bushings may be modified such that varying lens curvatures may be facilitated and still maintained out of contact with the brow bar.

Abstract: Eyeglasses having interchangeable lenses which are held in place by inner and outer lens attachment clips mounted at the bridge and temple, respectively, of the frame. The frame and/or lens is resilient so that the frame or lens can resiliently deform to allow the lenses to slide from beneath the lens attachment clips, yet the frame securely holds the lenses in place during use.