Casio Computer Co., Ltd.

Toyokazu Nishio

Takeshi Hanada

Tadashi Kojima

Oh Takahashi

Makoto Nakagawa

Katsuhiko Obata

Hirofumi Nagareda

Hiroshi Iwamiya

Mitsuaki Matsuo

Sadao Nagashima

Satomi Michitsuta

A communication system () comprises a central () and a peripheral (). The central () receives location information and time information from NTP servers () and a location server (). The central () creates first offset information of the time measured by its own device and the time information received from the NTP servers (). The central () acquires from map information a time difference corresponding to a location presented by the location information received from the location server (). The central () creates first updated time information based on the time measured by its own device, first offset information, and time difference corresponding to the location presented by the location information received from location server () and transmits the first updated time information to the peripheral (). The peripheral () changes the time displayed by its own device based on the received first updated time information.

Communication device, communication method, communication system, electronic watch, and program

An embodiment of a data transmission method is executed by a server that includes a memory that stores first unique number data presenting a first unique number and second unique number data presenting a second unique number, in association with each other, and includes receiving a first unique number data presenting a first unique number from a first electronic device in the first unique number reception step. Whether the first unique number presented by the first unique number data received in the first unique number reception step matches the first unique number presented by the first unique number data stored in the memory is determined in the determination step. The second unique number data stored in association with the first unique number data stored in the memory is transmitted to the first electronic device when determined in the determination step that they match.

Data transmission method, display system, and server

There is provided an information acquisition method of a wireless communication device including a receiver configured to perform wireless communication with another wireless communication device to acquire information. The information acquisition method includes acquiring operation time information indicative of time at which the other wireless communication device receives an information acquisition instruction by an operation, acquiring position information indicative of a user position at time based on the acquired operation time information, and acquiring map information for indicating, on a map, the acquired position information.

Information acquisition method, wireless communication device, electronic timepiece and recording medium

A smartphone includes a receiver, a log acquirer, a determiner, an information notifier, and a display. The receiver is in wireless communication with a time display device. The log acquirer acquires log data from the time display device by the receiver. The determiner determines the usage status of the time display device on the basis of the log data acquired by the log acquirer. The information notifier provides, via the display, notification of information corresponding to the usage status determined by the determiner.

Information notification method, information notification device, and non-transitory recording medium

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Hamura, Japan

Toyokazu Nishio