Abstract: An electronic timepiece in which scheduled time data on specified date or on specified day of the week are set into a counter and their contents are displayed. When the scheduled time comes, an alarm sound is generated. If specific data are inserted instead of the instruction data representative of the date or the day of the week, the timepiece generates the alarm sound repeatedly at the scheduled time. A number of scheduled contents can be set using the same circuit construction and set action for generating repeatedly the alarm sound can be made easily.

Abstract: The disclosed is an electronic timepiece which has storage circuits for respectively storing data regarding a variety of times such as an alarm time for different operating modes, stop watch, timer, etc., a data processing circuit commonly provided for all the storage circuits for executing various time processes, and a control circuit for controlling a mutual transfer of the data between the respective storage circuits and the data processing circuit to selectively process the various times. Accordingly, this timepiece can process a large number of times without increasing the number of the time processing circuits.

Abstract: An alarm timepiece operates such that after an acoustic alarm generated at a preset alarm time has been stopped, the alarm timepiece is automatically so set as to regenerate the acoustic alarm at the next preset alarm time. The generation of the acoustic alarm is compulsorily stopped during the adjusting of time, and when the acoustic alarm is stopped by manipulating a manual switch for suspension, the acoustic alarm is regenerated after a predetermined time has elapsed. When the acoustic alarm is generated for a predetermined time without being stopped by means of a manual switch, it is automatically stopped.

Abstract: An electronic timer includes a presettable counter for continuously counting clock pulses and which is controlled to selectively count to a desired time count and to continuously count from that desired time count. A storage device stores, upon actuation, a time count counted by the presettable counter. A detection output is produced when the presettable counter has completed the counting from the desired time count therein to a given time count. An alarm is generated in response to the detection output and is thereafter stopped. In response to the stopping of the alarm, the presettable counter is preset with the time count stored in the storage device. In this way the presettable counter is automatically set to an initial time count to enable repeated use without complication.

Abstract: A time adjusting device for an electronic timepiece utilizes a manually rotatable mechanism which generates pulses corresponding in frequency and number with the speed and extent of rotation thereof. Each pulse which is generated is thereafter converted into a plurality of pulses. A manually actuatable switch applies either the normal periodic time pulses to a time counter or the plurality of pulses to the time counter upon actuation to adjust the time count therein.

Abstract: Time adjusting means for electronic timepiece which detects change in the generation condition of pulses generated in response to a manual operation speed and generates a predetermined number of pulses in accordance with the detection output as the time-adjusting pulses. The time adjusting means enables a rapid time adjustment of an electronic timepiece at a high speed. When the manual operation speed exceeds a predetermined speed, the time adjusting means stops the time-adjusting pulse so as to prevent erroneous operation.

Abstract: A pulse generating means is adapted to be rotated in either direction by a manual operation and to produce a plurality of trains of pulse signals the frequencies of which are varied in accordance with the speed of rotation. The pulse trains have different phase differentials which are inverted when the direction of the rotation of the pulse generating means is reversed. Either the up counting mode or the down counting mode of an up-and-down counter is selected in accordance with the output from the pulse generating means, so as to correct the contents of the counter by an addition or a subtraction.

Abstract: A pulse applying method comprising applying a pulse train having a constant period to any one of a selection electrode and a control electrode which are opposed each other through a liquid crystal, while applying to the other a pulse train having a specific phase relationship with the said pulse train, whereby setting the total application time per unit period of the pulse applied between the selection electrode and the control electrode to two states, one being of the case where the liquid crystal operates and the other of the case where the liquid crystal does not operate, thus making the liquid crystal display unit indicative and non-indicative. A clear display with uniform contrast is obtainable. Moreover, a low-voltage drive is possible and the response speed is high.