An apparatus includes a classification of shaded area and a light unit being configured for illumination. A solar panel is configured for at least providing an energy output during exposure of shade being classified by the classification of shaded area. A rechargeable storage device is configured for storing at least a portion of the energy output as stored energy. The stored energy recharges the rechargeable storage device. A safety device is configured for at least protecting the rechargeable storage device from substantial overcharging during exposure of direct sunlight. A cutoff threshold is configured for at least preventing a deep discharging of the rechargeable storage device. An illumination mode comprises at least the rechargeable storage device providing the stored energy, the light unit providing the illumination, the illumination lasting for at least 5 hours, and the cutoff threshold preventing the deep discharging of the rechargeable storage device.

An illumination device includes a detector configured to detect that a mobile terminal device has entered a communication area corresponding to the device, and a light irradiator configured to emit light for guiding a person with the mobile terminal device detected by the detector. The light irradiator emits light indicating a route through which the person with the mobile terminal device should proceed.

An electronic necklace comprising a projector medallion and associated methods of formation are described, and more particularly to an electronic necklace with one power source for powering a projector medallion and necklace bulbs and its associated methods of formation. In one embodiment, an apparatus may include a wire serving as a necklace strand with a projector medallion formed of a translucent material including a backside, a front side, an underside, and/or an interior. The necklace may include a power source in the form of a battery. The necklace may include a projector light and/or a medallion light within the interior of the projector medallion. The necklace may include a control chip within the interior of the projector medallion that may distribute power from the battery to the wire, the projector light, and/or the medallion light.

A walking aid that projects visual indications corresponding to repositioning of the walking aid. At least one indication for each foot is projected simultaneously. Each indication has dimensions corresponding to a circle or oval. The spacing between each indication can be modified to achieve different step length patterns. Each indication is projected at separate positions on a surface beneath the walking aid. Each position of the separate positions remains relatively static while the walking aid is both stationary and being displaced.