Casio Computer Co., Ltd.

Junro Yano

Yuta Saito

Shunji Minami

Makoto Sawada

Hiroyuki Hosobuchi

Hiroyuki Abe

Wataru Yamada

Masakuni Iwanaga

Kazuaki Abe

Soh Kimura

Yukio Kido

Shigeru Katoh

Yohei Kawaguchi

Yuki Oshita

Naohiko Sakurazawa

Takanobu Kanezashi

Yoshihiko Enta

A coil core including a coil block configured by a coil wound around the coil core which is coupled to a stator, a linear portion around which a wire is wound to form a coil; and coil-side couplers which are extended to both sides along a direction orthogonal to an extending direction of the linear portion, wherein the coil-side couplers include a thinner portion than the linear portion.

Stepping motor and timepiece

In a timepiecehaving an antennaand motors, each motorincludes a stator, a coilmagnetically connected to the stator, and a rotor magnetdisposed in a receiving partof the stator. With respect to each motordisposed in a predetermined range from the antenna, an individual antimagnetic platewhich is a belt-like antimagnetic plate configured to have a width equal to or greater than the diameter of the rotor magnetand cover a portion of the motorincluding the rotor magnetis disposed.

Electronic timepiece

An electronic device includes a solar panel including a solar cell, the solar cell including a plurality of light receiving regions and a connecting region, the connecting region having a width narrower than widths of the plurality of light receiving regions and connecting the plurality of light receiving regions, wherein a conductive reinforcing material made of a conductive material is provided in the connecting region and is electrically connected to the plurality of light receiving regions.

Electronic device

Disclosed is an electronic apparatus including a dial plate having light transparency, a module including an antenna for receiving circularly polarized waves which is disposed below the dial plate, the antenna having a radiation electrode, and a solar panel disposed between the dial plate and the module, wherein the solar panel includes a common substrate, a plurality of solar cells disposed on the common substrate, and an inactive segment disposed on the common substrate at a place corresponding to the place of the radiation electrode.

Electronic apparatus equipped with solar panel

An electronic device includes a dial, a module and a solar panel. The module is arranged under the dial and including a circular polarization antenna which includes a power feed point and a radiating electrode. The solar panel is arranged between the dial and the module and has an area corresponding to an area of the dial in a face direction thereof. The solar panel is constituted by a plurality of solar cells including a solar cell that has a light receiving surface arranged at a position corresponding to the radiating electrode.

A hand unit for a timepiece, including: a hand for indicating time; and an attachment member including a support part attached to a rotational center of the hand so as to support the hand, and a cylindrical part defining a rotational axis of the hand and configured to be attached to a rotating shaft in the timepiece, the cylindrical part continuing from the support part extending towards a rear side of the timepiece along the rotational axis, wherein a bottom of the cylindrical part is at a position that is approximately the same or lower than a tip of the hand.

Hand unit and timepiece

A hand-moving mechanism configured to move a hand, the hand-moving mechanism including a stepping motor that includes a plurality of coils and that rotates a rotational shaft thereof in forward and reverse directions; a wheel train mechanism that includes a plurality of gears including one gear which is coupled to the rotational shaft of the stepping motor, and another gear which is coupled to the hand; and a motor driving control unit that individually controls energization to each coil to drive the stepping motor. A number of the coils to be simultaneously energized in a display hand-moving operation is different from a number of the coils to be simultaneously energized in a non-display hand-moving operation.

Hand-moving mechanism and timepiece

Disclosed is a stepping motor including a rotor, a stator which includes a rotor accommodating hole, a pair of outer notches to determine positions of saturated magnetic fluxes and inner notches disposed on an inner periphery of the stator around the rotor accommodating hole, the inner notches determining stably stationary positions of the rotor, and a coil block configured by a coil wound around a coil core which is magnetically coupled to the stator, and the outer notches are disposed on an outer periphery of the stator on opposite sides of the rotor accommodating hole. And a line that connects narrowest portions between the outer notches and the rotor accommodating hole and extends through a center of the rotor accommodating hole shifts by a predetermined angle from a line that extends through the center of the rotor accommodating hole and is orthogonal to an extending direction of the stator.

A hand-moving mechanism moves a hand and includes a stepping motor and a wheel train mechanism. The stepping motor includes a plurality of coils and rotates a rotational shaft thereof in forward and reverse directions. The wheel train mechanism includes a plurality of gears having: one gear which is coupled to the rotational shaft of the stepping motor; and another gear which is coupled to the hand. The stepping motor includes two coil cores which are arranged in a vicinity of a peripheral edge portion in a module having a bent peripheral edge portion, which have a linear shape respectively and which extend from a central coupling portion respectively. Each of the two coil cores is formed to be bent at a predetermined angle following a bent shape of the peripheral edge portion of the module, so as to sandwich the central coupling portion between the two coil cores.

A timer includes: a case body made of synthetic resin; an outer case made of synthetic resin, located above the case body and extending to a portion of an upper face of a watch glass; a reinforcement member made of metal embedded in the case body to prevent deformation of the case body when the watch glass is fit thereto and ensure airtightness; and an antenna arranged inside the case body and beneath the reinforcement member, wherein the reinforcement member is embedded in the case body in no electrical continuity with a ground potential.

Timer and watch

An equipment case for use in an electronic device such as a radio wave wrist watch case comprises a metal case body, a metal back cover, a spacer member, and a ring member. The case body has an opening and houses an antenna inside the case body. The back cover covers the opening of the case body. The spacer member is provided between the case body and the back cover, and increases the electric resistance between the case body and the back cover. The ring member is screwed to the case body, and fixes the back cover to the case body by pressing the back cover against the spacer member towards the case body.

Equipment case, wrist watch case, and radio controlled watch

In an electronic device having a metal device case, and an antenna disposed inside the device case, a magnetic member having a magnetic permeability higher than a magnetic permeability of the device case is placed between an inner surface of the device case and the antenna.

Electronic device and antenna apparatus

An electronic apparatus is provided which enables miniaturization and has not only good electromagnetic shielding characteristics but also good resistance to impact. The electronic apparatus includes: an instrument case having an upper case and a case back, an electromagnetic shielding body which is contained in the instrument case, and electronic members, for example, an analog board, a digital board and the like, which are disposed in the shielding body. The body comprises a pair of half body members of shielding material. One of the pair is a first shielding member having a standing and surrounding periphery and an opening at an end. The other of the pair is a second shielding member having a standing and surrounding periphery and an opening at an end. The openings and of the first and second shielding members are opposed to each other so that they can be coupled with each other by fitting one of the standing and surrounding peripheries into the other thereof. An electromagnetic shielding partition member is disposed between a part, e.g., the analog board, of the electronic members and the other part, e.g., the digital board thereof. Outside one of the half body members, an antenna is provided.

Wrist instrument and electronic apparatus

An electronic wrist watch having a sound producing unit and an electrooptic data display unit, has a single flat plate member a lower surface of which is contacted with a user's hand, and a case member which is attached to one end of the plate member so as to be freely opened and closed over the plate member. A switch input section for data input is mounted on an upper surface of the plate member. An analog display unit for displaying time with hands, and a sound emitting section are mounted on the upper surface of the case member so as not to overlap each other. An electrooptic data display unit for displaying data is mounted on the lower surface of the case member. A sound producing unit and an electronic circuit for driving the analog display unit and the sound producing unit are housed in the case member. The sound producing unit is located under the sound emitting section in the case member, and the electronic circuit is electrically connected to the switch input section so as to cause the electrooptic data display unit to display data from the switch input section.

Growing community of inventors

Hachioji, Japan

Junro Yano