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US 11,921,467 B2Granted
Watch
AssigneeSeiko Epson Corporation
InventorsShigeaki Seki, Yutaka Yamazaki, Atsushi Miyazaki, Toshiya Usuda
Life of this patent
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Abstract
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.
Claims8
A watch comprising:
- a crystal oscillator;
- a controller including an oscillation circuit configured to cause the crystal oscillator to oscillate;
- wiring configured to couple the crystal oscillator with the controller;
- a storage container configured to store the crystal oscillator, the wiring, and the controller;
- and
- an outer case configured to store the storage container, wherein
- in a plan view, the crystal oscillator and the controller are placed side by side inside the storage container,
- the controller includes a frequency divider circuit configured to frequency-divide an oscillation signal output from the oscillation circuit to output a reference signal, and a constant voltage circuit, and
- the storage container is provided with a first terminal coupled to the frequency divider circuit, and a second terminal coupled to the constant voltage circuit.
6 more elements
A watch comprising:
- a crystal oscillator;
- a controller including an oscillation circuit configured to cause the crystal oscillator to oscillate;
- wiring configured to couple the crystal oscillator with the controller;
- a storage container configured to store the crystal oscillator, the wiring, and the controller;
- an outer case configured to store the storage container;
- and
- a watch band attached to the outer case, wherein
- in a plan view, the crystal oscillator and the controller are placed side by side inside the storage container,
- the outer case is provided with:
- a first attachment portion to which one end portion of the watch band is attached;
- and
- a second attachment portion to which another end portion of the watch band is attached,
- the crystal oscillator is disposed such that a longitudinal direction of the crystal oscillator intersects an imaginary line connecting the first attachment portion and the second attachment portion, and
- the crystal oscillator is disposed such that an angle formed by the imaginary line and the longitudinal direction is from 60 degrees to 120 degrees.
11 more elements
Dependencies are inferred from the claim text.