Abstract: The proposed invention relates to an electronic ring for monitoring Vitamin D produced in a body of a user. The electronic ring comprises an Ultraviolet (UV) light sensor for determining a value of Ultraviolet B (UVB) radiation during exposure of sunlight on a body of a user. The electronic ring further comprises a microcontroller for determining an exposure time of the user to the sunlight. The microcontroller further determines an UVB dosage of the user based on a reciprocal of a product of the exposure time and a predefined weightage factor. The predefined weightage factor is associated with a wavelength of the UVB radiation. The microcontroller further determines an amount of Vitamin D produced in the body of the user based on the UVB dosage of the user.

Abstract: The proposed invention relates to a method of determining health and fitness parameters of a user. The method comprises obtaining, by a colour sensor (304), intensity values of reflections of light transmitted by the colour sensor on a skin of a user. The intensity values are classified into a plurality of skin types to determine a skin tone of the user. The plurality of skin types are associated with correction factors. The method further comprises obtaining, by a Photoplethysmography (PPG) sensor (302), PPG values associated with health and fitness parameters of the user. The correction factors may be multiplied by the PPG values to optimize the health and fitness parameters based on the skin tone of the user.

Abstract: The proposed invention relates to a method of determining health and fitness parameters of a user. The method comprises obtaining, by a colour sensor (304), intensity values of reflections of light transmitted by the colour sensor on a skin of a user. The intensity values are classified into a plurality of skin types to determine a skin tone of the user. The plurality of skin types are associated with correction factors. The method further comprises obtaining, by a Photoplethysmography (PPG) sensor (302), PPG values associated with health and fitness parameters of the user. The correction factors may be multiplied by the PPG values to optimize the health and fitness parameters based on the skin tone of the user.

Abstract: The proposed invention relates to a charging apparatus for a wearable device. The charging apparatus comprises a base unit and a top unit. The base unit comprises a Printed Circuit Board (PCB). The PCB may include an input connector for receiving an Alternating Current (AC) power. Further, the PCB includes a rectifier for converting the AC power to a Direct Current (DC) power. The top unit is detachably positioned over the base unit and electrically connected with the rectifier for receiving the DC power. The top unit includes a wireless charging coil for wireless charging of the wearable device.

Abstract: A wearable ring-shaped electronic device having a ring portion engageable with a first finger of a user wearing the device is provided. The ring portion includes an interface, and a display unit operatively coupled with the ring portion. The display unit comprising a face that is coupled with any or a combination of a face cover and a face edge such that, upon interaction between a second finger of the user and the interface, interaction-based data is transmitted to and processed by at least one processor of the device so as to enable one or more notifications to be either displayed on any or a combination of the face cover and the face edge, or audibly notified to the user.

Abstract: Disclosed is a ring shaped wearable communication device (ring) for a user's finger. The ring includes: a sound sensor that detects ambient sound levels; a speaker that produces sound in human audible frequency range per at least one signal received, wherein intensity of the sound produced is based on the ambient sound level; an out port; and a hollow channel with an increasing cross-section that wraps around the finger, wherein: smaller cross-section end of the hollow channel is connected to the speaker and the other end of the hollow channel is connected to the out port to provide a horn-like structure; the out port and the hollow channel are configured to reduce the mismatch between the acoustic impedance of air immediately outside the out port and the acoustic impedance as seen by the speaker just outside the speaker; and the out port emits sound received from the speaker as directional sound in close vicinity of the user's hand.

Abstract: A wearable ring-shaped electronic device having a ring portion engageable with a first finger of a user wearing the device is provided. The ring portion includes an interface, and a display unit operatively coupled with the ring portion. The display unit comprising a face that is coupled with any or a combination of a face cover and a face edge such that, upon interaction between a second finger of the user and the interface, interaction-based data is transmitted to and processed by at least one processor of the device so as to enable one or more notifications to be either displayed on any or a combination of the face cover and the face edge, or audibly notified to the user.

Abstract: Disclosed is a ring shaped wearable communication device (ring) for a user's finger. The ring includes: a sound sensor that detects ambient sound levels; a speaker that produces sound in human audible frequency range per at least one signal received, wherein intensity of the sound produced is based on the ambient sound level; an out port; and a hollow channel with an increasing cross-section that wraps around the finger, wherein: smaller cross-section end of the hollow channel is connected to the speaker and the other end of the hollow channel is connected to the out port to provide a horn-like structure; the out port and the hollow channel are configured to reduce the mismatch between the acoustic impedance of air immediately outside the out port and the acoustic impedance as seen by the speaker just outside the speaker; and the out port emits sound received from the speaker as directional sound in close vicinity of the user's hand.