Exemplary systems enable operation of mobile devices underwater. Antennas on a buoy assembly allow a mobile device to maintain wireless communications. A series of cable segments connect a buoy assembly to a waterproof case capable of sealing a mobile device.

An apparatus includes a handset and a cradle that removably holds the handset. In the cradle, the storage section is disposed in the main body, includes a recess formed from a bottom surface, two side surfaces extending along a longitudinal direction, and two end surfaces extending along a lateral direction that crosses the longitudinal direction, and can accommodate the entire length of the handset. The cord insertion portion is open at a first end surface of the two end surfaces. A cord of the electronic terminal passes through the cord insertion portion. The push-up member is disposed so as to retractably project from the bottom surface of the storage section, and abuts against the handset stored in the storage portion. The handset is stored in the storage section so as to form a space between the handset and the bottom surface of the storage section, and can pivot to the first end surface side due to the push-up member projecting.

A multipurpose accessory and storage system for an electronic device includes a housing member attaching to the electronic device and a charging station structured on the housing member to charge, arrest and dispense an accessory item. The accessory item includes a protective membrane housing a logic board, a power component, an image sensor, a transmitter configured to transfer a signal or data to the electronic device or the housing member and a software program stored in the logic board. The transmitter establishes a pairing or electronic connection between the electronic device or the housing member and the accessory item. The pairing or electronic connection enables content captured by the image sensor to be relayed to the electronic device to permit a user to view the content on the display of the electronic device and/or to control components and features of the accessory item via the electronic device.

In many power electronics systems, there is an intermediate DC-link stage for facilitating the power processing of different sources to their loads. A device called a plug-and-play ripple pacifier (RP) directly plugged into the DC-link, and actively removes undesired DC-link ripple, thereby eliminating the reliance on electrolytes capacitors for stabilizing the system and remove ripple. Importantly, the use of this device is non-invasive to the operation of its host systems, and requires no modification of existing hardware. It is suitable for the protection of DC utilities/systems and can also be used as a direct replacement of ripple-canceling E-Caps in power converters device.

A storage system includes a protective housing member configured to mate with a handheld electronic device. The protective housing member includes a charging area formed between a surface of the protective housing member and a surface of an accessory item of the handheld electronic device. The charging area is configured to charge the accessory item of the handheld electronic device. The charging area is powered by at last one power component of the protective housing member or at least one power component of the handheld electronic device. The storage system further includes at least one integrated circuit which is either a component of the handheld electronic device or a component of the protective housing member.

A storage system includes a protective housing member configured to mate with a handheld electronic device. The protective housing member includes a charging area formed between a surface of the protective housing member and a surface of an accessory item of the handheld electronic device. The charging area is configured to charge the accessory item of the handheld electronic device. The charging area is powered by at last one power component of the protective housing member or at least one power component of the handheld electronic device. The storage system further includes at least one integrated circuit which is either a component of the handheld electronic device or a component of the protective housing member.

An Easy Coil configuration is designed to facilitate handling of extension cords or other electrical cables. The coil configuration includes multiple sections, wherein the first section is flexible and includes a different color stripe to show the top of the coil, the second section is stiffened, the third section is flexible with weight added to the bottom of the section, and the fourth section is stiffened. Colored stripes are provided along the length of the coil to show when it is twisted. For other electrical cables such as those used in the music industry, textural variations instead of colored stripes may be used.

An Easy Coil configuration is designed to facilitate handling of extension cords or other electrical cables. The coil configuration includes multiple sections, wherein the first section is flexible and includes a different color stripe to show the top of the coil, the second section is stiffened, the third section is flexible with weight added to the bottom of the section, and the fourth section is stiffened. Colored stripes are provided along the length of the coil to show when it is twisted. For other electrical cables such as those used in the music industry, textural variations instead of colored stripes may be used.

An electric vehicle charging assembly includes a cord reel, a cord reel locking mechanism, and a master control unit for selectively unlocking the cord reel in response to an authorization signal. The electric vehicle charging assembly monitors the rotational position of the cord reel to prevent unauthorized use, and to record or relay information related to the improper use or malfunction of the electric vehicle charging assembly.

Injury to the digits, hand and wrist are associated with the frequent usage of portable hand-held electronic devices (PEDs), including but not limited to smartphones. This is true as well for injury to the neck and shoulder areas. The potential for injury to the digits, hand and wrist in particular is anticipated to be exacerbated by the larger smartphones, and especially the tablet-like smartphones. The ergonomic accessory of the invention has several embodiments whose design is intended to ameliorate if not prevent such injuries. Certain embodiments are partially or fully case-like in form so that they envelope to a greater or lesser degree, such hand-held electronic devices. Another embodiment attaches to a PED through an element of the PED such as the charging socket. The accessory also removably attaches the hand of the user or provides a secure holding surface for the user.