A metal accessory having a non-contact communication function, includes: an integrated circuit element (IC chip) for control, capable of performing non-contact short-range wireless communication with an external terminal; a loop antenna with a predetermined length, having both ends connected respectively to both ends of the integrated circuit element for control; and a body part, which is made of a metal or precious metal material, is formed into a loop shape having a through hole formed through the center thereof, and has a slit formed by cutting a partial section of the loop. The integrated circuit element for control and the loop antenna are provided inside the body part, the loop antenna is wound several times along the loop-shaped body part, and a portion of the loop-shaped body part is completely cut by the slit.

A ring accessory comprises an outer loop and an elastic piece placed in the outer loop. The outer loop comprises a lateral loop and a top cover located above the lateral loop. The top cover has a hole for a ring head passing through. An inner side of the top cover at an edge of the hole comprises at least three deep recesses, and a shallow recess between every two adjacent deep recesses. A distance from the deep recess to hole center is greater than a distance from the shallow recess to the hole center. The elastic piece has recesses corresponding to the deep recesses and shallow recesses on the top cover. The elastic piece is an annulus with a wave shape, the elastic piece deep recesses are located at the bottom of the wave, and the elastic piece shallow recesses are located at the top of the wave.

A strap system configured to be mounted to an accessory includes a strap having a first end and a second end disposed opposite the first end, an attachment point configured to attach the first end of the strap body to the accessory, a lock configured to attach the second end of the strap body to the accessory, and one or more charms configured to fit onto the strap.

The present invention relates to a selectively controllable microLED system, and more specifically, to a technology having a transparent microLED display skin that is formed to be worn on the outer surface of any one from among a specific device, a specific product, and a body part, having a master unit and a remote slave for controlling the transparent microLED display skin that are independently or respectively formed on one side of any one from among the specific device, the specific product, and the body part, and having a smartphone allowing a wearer to ultimately and selectively control the transparent microLED display skin, and thus the present invention enables the color of any one from among the specific device, the specific product, and the body part to be selectively changed according to the current situation of the wearer.

Provided is a wearable device for displaying translucent stones and the like. The wearable device comprises a base, a back plate, a bezel and a locking element. The base comprises a cavity, at least one base locking element a recess comprising a recess void and an illumination assembly in the cavity wherein the illumination assembly comprises an illuminator capable of emitting light. The back plate is reversibly mountable on the base. The back plate comprises at least one back plate locking element. The back plate locking element is reversibly engageable with the base plate locking element. A tab is provided on the back plate which is receivable by the recess. The tab comprises a tab void which is alignable with the recess void. An illumination window in the back plate allows light to transmit through said illumination window. The back plate also comprises at least one securing recess. The bezel is reversibly mountable on the back plate. The bezel comprises a viewing window and a securing tab wherein the securing tab is received by the securing recess. A locking element extends through the aligned tab void and recess void.

There is provided a decorative apparatus, a drive control method, and a communication system that can provide a new way of enjoyment using a thin display. The decorative apparatus includes a thin-plate display arranged between a stone and a stone seat, and a drive control unit that controls display on the display. The present technology can be applied to accessories (jewelry) such as rings, pendants, necklaces, earrings, and the like, for example.

There is provided a decorative apparatus, a drive control method, and a communication system that can provide a new way of enjoyment using a thin display. The decorative apparatus includes a thin-plate display arranged between a stone and a stone seat, and a drive control unit that controls display on the display. The present technology can be applied to accessories (jewelry) such as rings, pendants, necklaces, earrings, and the like, for example.

A jewelry piece having a body or housing that defines a cavity sized and shaped to removably receive an interchangeable ornament, a cover or back connected to the body, such that the jewelry piece may be opened or closed, and a locking mechanism to secure the ornament in the jewelry piece. The body and cover mechanically engage when the jewelry piece is closed to secure the ornament without the need for excessive force or an additional tool. The mechanical engagement is accomplished by interlocking mating elements and a spring-loaded lever.

A jewelry piece having a body or housing that defines a cavity sized and shaped to removably receive an interchangeable ornament, a cover or back connected to the body, such that the jewelry piece may be opened or closed, and a locking mechanism to secure the ornament in the jewelry piece. The body and cover mechanically engage when the jewelry piece is closed to secure the ornament without the need for excessive force or an additional tool. The mechanical engagement is accomplished by interlocking mating elements and a spring-loaded lever.

An ornamental device includes: diamonds disposed on a single support element in a specific physical arrangement, all the diamonds in the specific physical arrangement having a blue fluorescent equal to or stronger than strong blue, wherein all the diamonds in the specific physical arrangement shining clear under a visible light, and shining blue under ultraviolet radiation keeping the specific physical arrangement distinguished from a group of diamonds in the specific physical arrangement, the group of diamonds comprising a mixture of a diamond or diamonds having a blue fluorescence equal to or stronger than strong blue and a diamonds or diamonds not having a blue fluorescent equal to or stronger than strong blue.