Kyocera Corporation

Kanji Satake

Tomoyoshi Ikeda

Hajime Okumura

An electronic apparatus having a front touch sensor and a rear touch sensor on a front surface and a rear surface thereof, respectively, includes a display unit and a controller, wherein the controller, based on detection of contact with the rear touch sensor for a predetermined period of time or longer, enables an operation of the rear touch sensor to the display unit.

Electronic apparatus

A mobile electronic device includes: a housing; an image projector provided on the housing for projecting a portion of an original image to a projection area; and a processing unit. The processing unit causes the image projector to change an image projected to the projection area from a first image corresponding to a first portion of the original image to a second image corresponding to a second portion of the original image according to change information for changing the image projected by the image projector.

Mobile electronic device having a partial image projector

Provided is an electronic device for detecting the relative rotational positions of two casing members optically without utilizing the difference in the reflecting efficiency between a plurality of reflecting portions. The electronic device comprises a first light emitting unit () for emitting a light (R), a first casing member () mounting the first light emitting unit (), a first light receiving unit () for receiving the light (R), a second casing member () mounting the first light receiving unit () and so connected to the first casing member () as to rotate on a spindle (), and a detecting unit for detecting the rotational position of the second casing member () relative to the first casing member (), on the basis of the reception of the light (R) emitted from the first light emitting unit () in the first light receiving unit (). The first light emitting unit () is arranged in the first casing member () and on a first circumference (C) centering on the spindle (), and the first light receiving unit () is arranged in the second casing member () and on a second circumference (C) facing the first circumference (C) and centering on the spindle ().

Electronic device with rotational position determination unit

The present invention has a configuration is one example in which a second body is connected to be rotatable around a rotational axis to a first body. A light emitting element that emits light and a first light guiding member, which propagates light emitted from the light emitting element as well as irradiating light from an irradiating unit, are housed in the first body. A light receiving element that receives light and a second light guiding member, which lets in light from the light collecting portion irradiated by the irradiating unit as well as propagates light in the light receiving element, are housed in the second body. Complimentary location regions of the irradiating units and light collecting portions are multiply provided between the first light guiding member and the second light guiding member, thereby multiply forming propagating paths of light from the irradiating units to the light collecting portions, respectively.

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Yokohama, Japan

Kanji Satake