In an analog electronic timepiece, when a detection circuit detects an external calling signal, a data storage circuit and a data-transmission-signal pulse generating circuit are used to achieve data transmission through a motor coil and a driving circuit, both of which are conventional elements constituting the analog electronic timepiece, at timing between pulses of a driving signal for moving hands.

A method of setting a multimode electronic device operable in a current mode, a mode setting mode and a next mode. If a predetermined number of electrical signals are generated prior to the expiration of a predetermined period of time, the electronic device exits the current mode and enters the next mode. Locking conditions are also provided to assist in ensuring the device remains in a "home," such as the time-of-day, mode. In one embodiment, the switching mechanism includes a rotating setting ...

An electronic clock for indicating a time including a source oscillator having a predetermined frequency, a frequency divider circuit for dividing down the frequency of the source oscillator, an input device for generating a continuous input signal when actuated, an input control circuit for detecting the input signal from the input device, an input time counting circuit for counting a period of time from the clock signal during which the input control circuit detects a continuous input signal f...

A time measurement system includes a master timepiece and a slave timepiece 3. The master timepiece includes a time signal generating circuit that receives a standard frequency and time signal and generates a time signal being receivable by a motor driving coil 35 of the slave timepiece 3; and a transmitter circuit and a coil that transmit this signal. The slave timepiece 3 includes a time counter 33 that keeps time on the basis of a reference signal; a driving motor with the driving coil 35; a ...

Method and apparatus for automatically displaying a correct time and date when initially activating a clock. After manufacture of the clock and before it is purchased by the user, a basic data set, including the time and geographical region data, are input to the clock via an interface. The data are stored in a memory of a microcontroller. After purchase by a user, the clock is plugged into a power grid and the correct time and date are displayed without the need to set the clock.

A setting structure module for a timer including a hollow top housing and a bottom housing, and a time setting apparatus positioned in upper portion of the top housing. A middle cover is located above a middle of the top housing and inserted through an inner hole of time setting apparatus. The left inner side of the bottom housing provides a synchronize electric motor, a power supply connecting apparatus and the gear transmission system connected to the output axle of synchronize electric motor....

To provide a self-correcting watch wherein a high precision self-correction of the watch circuit can be realized without any troublesome operation, a self-correcting watch of the invention having a zero second set button comprises: a time interval counter circuit for counting a time interval from a first pressing of the zero second set button for time setting until each following pressing of the zero second set button for manually correcting time indication; a correction value memory for storing...

A wristwatch receives time-of-day information transmitted in the form of an infrared signal and then calculates the difference between the received time-of-day information and its time data. A decision is made as to whether the difference is not less than or less than a predetermined value. If the difference is less than the predetermined value, the accuracy of the received data and the accuracy set in the wristwatch are determined by referring to the types of time-measuring references. When the...

A time signal repeater enabling a radio correction clock to receive a relayed radio signal without regard as to the position of arrangement and without complicated trouble, including a reception circuit for receiving a standard time radio signal and correcting an internal clock to a time according to the time code included in the received radio signal and a transmission circuit for generating and transmitting time radio signals which have different intensities and include time codes based on the...

To enable to easily stop a second hand at a 0 second position even in an analog electronic timepiece operating a hand at a high period. A dividing circuit outputs a low frequency pulse signal and a high frequency pulse signal at predetermined frequencies to a control circuit. The control circuit outputs the low frequency pulse signal of 4 pulses per second aligned at equal intervals when it is detected by a detecting circuit that an operating portion is not operated and outputs repeatedly the hi...