Seiko Epson Corporation

Shigeaki Seki

Kenichi Okuhara

Masami Murai

Joji Kitahara

Yoshitaka Iijima

Atsushi Miyazaki

Yutaka Yamazaki

Toshiya Usuda

Akihiro Sawada

Katsutoyo Inoue

Eiji Miyasaka

Masao Takeuchi

Susumu Kayamori

Tomokazu Yoshida

A watch includes a crystal oscillator, a controller including an oscillation circuit configured to cause the crystal oscillator to oscillate, wiring that couples the crystal oscillator with the controller, and the crystal oscillator, a storage container that stores the crystal oscillator, the wiring, and the controller, and an outer case that stores the storage container, in which the crystal oscillator and the controller are placed side by side inside the storage container in plan view.

Watch

A display device that has a display panel having a front substrate, an image forming unit, and a back substrate rendered together in layers, and a wiring board layered on the back surface of the back substrate. A plurality of input/output pins are formed on the front surface of the back substrate, and a plurality of connection pins that are electrically connected to the input/output pins by respective conductor members are formed on the back surface of the wiring board.

Display device and timepiece comprising a wiring board layered on a back surface of a back substrate

Disclosed is a method for driving an electrophoretic display device including a first electrode, a second electrode facing the first electrode, and an electrophoretic element disposed between the first electrode and the second electrode. The method includes a display driving step of inputting a first potential to the first electrode and inputting a second potential different from the first potential to the second electrode, and a reverse potential driving step of applying a voltage to the electrophoretic element, the voltage having a polarity which is opposite to a polarity of the potential in the display driving step.

Driving method for electrophoretic display device, electrophoretic display device, and electronic apparatus

Display device and timepiece

A timepiece wheel train includes a rotating body with a shaft unit, a bearing unit that rotatably supports the shaft unit of the rotating body, and a lubricating oil in which powder from a diamond-like carbon film is dispersed disposed between the shaft unit and the bearing unit.

Timepiece wheel train and timepiece

Piezoelectric vibrators provided with an electrode that includes a drive electrode and adjustment electrodes formed in advance on part of the electrode; the drive electrode and adjustment electrodes that are initially electrically connected to each other are electrically cutoff and insulated from each other by cutting conductive parts between the drive electrode and adjustment electrodes, or the mutually insulated drive electrode and adjustment electrodes are electrically connected using solder, a wire, or another electrically conductive member, whereby the characteristic frequencies are adjusted.

Piezoelectric vibrator, method for adjusting piezoelectric vibrator, piezoelectric actuator, timepiece, and electronic device

The clock signal output device has a crystal oscillator for generating a reference clock signal and generating and outputting an output clock signal having a prescribed frequency on the basis of the reference clock signal. The device also has an atomic oscillator for generating a clock signal having higher precision than a crystal oscillator, an intermittent time management unit for intermittently driving the atomic oscillator, and a correction unit for receiving correction data for correcting the offset amount of the output clock signal on the basis of a clock signal each time the atomic oscillator is driven, and correcting the output clock signal on the basis of the correction data.

Clock signal output apparatus and control method of same, and electric apparatus and control method of same

A piezoelectric actuator A has an oscillatorthat has a flat base layerand piezoelectric elementslayered on the base layerand oscillates as a result of a drive signal applied to the piezoelectric elements, and a rotordriven by vibrations from the oscillator. The piezoelectric actuator A includes a fastening partfor securing the oscillator, and lead substratesA,B that are secured to the fastening partfor applying a drive signal to the piezoelectric elements from a drive circuitfor driving the piezoelectric elements. The lead substratesA,B have connecting partsA&#x2013;C extending to the power supply electrodesA,C and a detection electrode

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Matsumoto, Japan

Shigeaki Seki