Patent ID: 7777445
Filing Date: 2010-08-17
Classification: H02J,Y02B

Abstract:
1. An electronic apparatus, comprising: an electronic apparatus main body; and a remote control device configured to wirelessly communicate with the electronic apparatus main body in order to operate the electronic apparatus main body; wherein the remote control device includes a device battery that supplies drive power, and the electronic apparatus main body includes: a light source configured to emit light; an optical system via which the light emitted by the light source is passed; a projector lens configured to project the light from the optical system onto a screen disposed outside the electronic apparatus main body; a main body battery; a container unit configured to house the remote control device; a converter unit configured to convert excess energy generated when the electronic apparatus main body is driven into electric power, the converter unit including a thermoelectric element configured to convert heat generated by the light source into electric power and a photoelectric transducer configured to convert leakage light from the light source or the optical system into electric power; and a charge control circuit configured to cause the main body battery to be charged with the electric power produced by the converter unit, when the electric power exceeds a predetermined threshold, and configured to cause the device battery to be charged by the main body battery when the remote control device is housed in the container unit.