Abstract: A change calculation apparatus comprises a plurality of keys for indicating monetary units, purchasing amount storing means for storing the purchasing amount of sales to a customer, and calculating means for subtracting from the unitary data of the monetary unit corresponding to the key actuated the data below the unitary data of the monetary unit in the purchasing amount stored in the purchasing amount storing means.

Abstract: A synchronous control apparatus in a multi-circuit system is provided with a first circuit which operates receiving a constant power supply and a second circuit which operates receiving a power supply at need, with a plurality of operation modes. The operation mode of the first or second circuit is selected by a mode selection circuit. When the mode selection circuit selects another operation mode, a synchronous control circuit provided in the first circuit transfers an initializing signal in synchronism with the first circuit to the second circuit. The second circuit is initialized in synchronism with the first circuit.

Abstract: An electronic cash register comprises a keyboard including a data input key and a time zone setting key; a central processing unit coupled to the keyboard; a memory coupled to the central processing unit and having a plurality of memory places for storing accumulated sales amounts on a time zone basis; a time memory coupled to the central processing unit to store time zone defining time data by the operation of the time zone setting key; a timepiece coupled to the time memory to supply current time data; and a comparator coupled to the timepiece and to the time memory to compare current time data from the timepiece with the time data stored in the time memory. The central processing unit includes means for writing entry data in one memory place of the memory according to the time zone determined by the result of a comparison by the comparator when entry data from the keyboard is completed.

Abstract: An electronic stop watch includes a time counter circuit starting to count reference clock pulses in response to a starting signal and a digital display arrangement having a predetermined number of display sections to display the time counted or measured by the time counter circuit.A specified count detection circuit is provided to detect that a count of the time counter circuit has reached a specified value which can be displayed by the display sections of the display arrangement. A detection output signal from the detection circuit serves as a display changeover command signal to control count signals which are supplied from the time counter circuit to the display arrangement so that the display arrangement can display time, according to the count of the time counter circuit, in large units of time, for example, in "hours and minutes", instead of small units of time, for example, in "minutes and seconds", after a detection signal has been produced from the detection circuit.

Abstract: The device includes indicator elements capable of sequentially indicating the output of a counter in the forming of a plurality of time bands; an operation command signal distributor capable of generating an output for the performance of an operation having any given object corresponding to one selected from said indicator elements; and operating members for optionally selecting and causing the generation of command signals for the performance of an operation having any given object. The operation command signal distributor is enabled by an operating member when a specified indication element is lighted, to thereby command a selected operation having any given object, the command generation being a function of which indicator element is lighted.

Abstract: An electronic calculator with a time counting function has an input section for inputting various data control signals. When the input section inputs given data or control signals, a given calculating operation is performed in a calculating circuit in accordance with these input signals under control of a calculating control circuit. The electronic calculator comprises an oscillator for outputting a reference frequency signal, a frequency dividing circuit by which an output signal from the oscillator is frequency-divided to produce a given time counting signal, and a time counting circuit in which a time counting operation is executed by the time counting signal from the frequency divider. A holding circuit for holding a time counting signal from said frequency divider is inserted between the frequency divider and the time counting circuit.

Abstract: An electronic timepiece which comprises a time-counter for counting a number of reference clock pulses issued from a reference oscillator; a control circuit for controlling the selection of various functions; a display device for displaying count values corresponding to the various functions; and at least two independently provided manually operative switching devices. The condition in which the at least two switching devices are jointly operated is detected by an AND circuit. The period of time during which the AND circuit continues to send forth an output signal indicating the joint operation of the two switching devices is measured and a function-designating circuit specifies that one of the various functions instructed by the control circuit which corresponds to the measured period of time of joint operation of the two switching devices. Any function specified by the function-designating circuit is carried out by one of the at least two switching devices.

Abstract: An electronic timepiece comprises a reference oscillator, a counter for counting reference clock signals from the reference oscillator to obtain a time count signal, and a display device for displaying a time count value of the counter, in which there is provided an input terminal detachably connected to an external data supply device to permit a preset initial count value data to be inputted from the outside. A master device for the timepiece includes an output terminal detachably connected to the input terminal of the timepiece. The preset initial count value data is supplied to the counter of the timepiece through the output terminal which is detachably connected to the input terminal of the timepiece.

Abstract: An impression data-processing apparatus, wherein a coded data denoting a numeral is formed of 4 bits; a coded data denoting a letter is formed of a combination of two 4-bit groups, that is, 8 bits; both forms of coded data are stored in a memory; the memory is further supplied with a space data indicating a space on a recording medium and a judgment data for distinguishing between a numerical data and a letter data, said space data and judgment data being constituted by two of those 4-bit codes included in sixteen codes formable from 4 bits which are not used to denote either a numerical data or letter data, and which comprises means for detecting the space data and judgment data in units of 4 bits; bit number read-controlling means for detecting he numerical data and letter data in units of 4 or 8 bits; and printing means for carrying out the spacing of a recording medium when the space code is detected by said space data-detecting means, and printing a numerical data or a letter data read out of the recordi

Abstract: A tabulation control system including a tab position memory shift register for memorizing tab-set position signals representing summed up values from the first position in a range in which tab setting operations are possible. A buffer register is connected to receive tab-set position signals in response to shift signals according to tab commands, a printing head position counter for counting the total and number of shifts of a printing head from the first position is provided. Also provided is coincidence detector which compares the output from the buffer register with the output of the counter and stops the printing head when these outputs coincide with each other.

Abstract: A comparing apparatus for comparing variable length word information comprises: first and second memory means for storing record information to be compared, each record information including a plurality of variable length word information arranged in series fashion with intervention of word boundary codes; means for specifying the address of the word information to be compared and for directing whether the specified word information are to be compared truing up the most significant digits or the least significant digits; means for comparing the specified word information in accordance with the direction from the specifying and directing means; and means for reading out the record information from the memory means specified in accordance with the result of the comparison of the comparing means.

Abstract: An electronic timepiece device comprising a plurality of coupled counter circuits designed to carry out a successive frequency division of signals issued from a frequency oscillator and supply time-indicating count signals to a time display section, wherein any of the coupled counter circuits is connected to a memory circuit for storing a certain number of counts representing the fraction of a correct time which should be exchanged for that of an incorrect time indicated by the counter circuits due to the frequency oscillating error originally accompanying the frequency oscillator or a certain number of counts by which the operation of the counter circuits should be advanced or delayed to correct the fraction of an incorrect time resulting from said error; a detector for detecting the point of time at which correction of time should be made detects a particular point of time counted by the plural coupled counter circuits as a specified point of time for correction; and upon detection of the specified point of

Abstract: A global timepiece provided with a counting circuit for electronically counting at least seconds, minutes, hours, days and months upon receipt of a signal from a pulse oscillator and particularly a control circuit for advancing a date from the last day of a given month to the first day of the following month according to a calendar, which comprises a date-counting circuit for counting a day by an advance pulse generated per day; a day-detecting circuit for detecting a count of "1" representing the first day of a calendar month which has been counted by the day-counting circuit; a circuit for setting the count made by said day-counting circuit at a "0" upon receipt of an output signal denoting a count of "1" which has been detected by the day-detecting circuit and also a time correction-instructing signal for backdating a date one day according to an instruction based on a time difference occurring between any two districts in indicating the count of "0" made by the day-counting circuit to represent the last d

Abstract: A data processing control apparatus comprises a main memory for storing a plurality of record data serially arranged with a record positioning code between the record data, each record data including a plurality of word data serially arranged with a word positioning code between the word data, the word data each including at least one character data; and a processing memory means having a row/column matrix which is address designated by the outputs of row and column counters for permitting each word data in the record data to be stored in its address. A specific row of a heading column in the matrix in the processing memory means is address designated to permit the address position data in this row to be sequentially shifted in a row direction. Specific codes, each written in an address position following a final character data, in the word data are counted by a counter while an address shift is effected in a column direction from an address position in the specific row.

Abstract: An electronic timepiece uses a dynamic type shift register, as a time count circuit, which has a plurality of memory sections corresponding to an equal number of time count units and a cycle number memory section arranged such that it is preceded by said plurality of memory sections. An adder and shift memory unit are serially connected to the shift register to provide a shift circulation circuit and the shift circulation is effected by an oscillation signal from a reference oscillator. The adder adds [1] to the contents of the cycle number memory section for each data shift cycle of the shift register. Each time the count value of the cycle number memory section reaches a predetermined cycle number, the count value of a smallest time unit is counted one step. In this way, a carry is propagated to the subsequent large time unit memory sections according to the data shift circulation cycle of the shift register.

Abstract: A data read-write apparatus for a magnetic recording medium, wherein, when data represented by coded signals are written in a magnetic recording medium, a binary "1" signal of at least one bit is written in the magnetic recording medium ahead of data being written upon receipt of a clock pulse from a clock pulse oscillator; thereafter a series of binary coded signals denoting the content of the data are written in the magnetic recording medium; when the data are read out from the magnetic recording medium, the binary code "1" signal is first detected; upon said detection, the phase of clock pulses issued from the clock pulse oscillator are synchronized with the timing in which the binary coded "1" signal is read out; upon receipt of a phase-synchronized clock pulse, other binary coded signals stored in the magnetic recording medium in succession to the binary coded "1" signal are read out in synchronization with clock pulses sent forth from the clock pulse oscillator; and the clock pulse oscillator successive

Abstract: In an electronic timepiece including a battery, a time count circuit for counting reference clock signals from an oscillator and a display unit for displaying the counted values of the time count circuit, there is provided a switching mechanism for controlling a function other than a time count function. A battery set signal which is generated upon incorporation of a battery into the body of the timepiece is temporarily held in a holding circuit.The timepiece includes a switching circuit which, when the switching mechanism is operated, permits a switching operation signal for controlling a function other than the time count function to be switched by the output of a signal holding circuit to a switching operation signal for controlling a time setting function.The timepiece further includes a counter in which the contents are counted by the latter switching operation signal. The output of the counter is delivered as an instruction for time counting.

Abstract: A liquid crystal display device comprising a liquid crystal display panel having a liquid crystal on the one side surface of which a first electrode group is grouped into a plurality of groups of segment electrodes adapted to define a character for each digit and on the other surface of which a second electrode group is grouped into a plurality of groups of segment electrodes which are different in configuration from the groups of segment electrodes in the first electrode group, each of the corresponding segment electrode groups of each digit in the second electrode group being connected to the outside; means for applying sequentially phase-shifted drive signals of a predetermined cycle to the respective segment electrode groups in said second electrode group; and means for applying segment drive signals corresponding to display data to the respective segment electrode groups of the first electrode group in synchronism with the respective drive signals applied to the second electrode group.

Abstract: An electronic timepiece comprises a first time counting circuit including a time counter and adapted to count reference clock signals of an oscillator as time data at all times, and a time interval counting circuit provided independently of the time counting circuit and adapted to perform the function of a stopwatch based on a time count start instruction and time count stop instruction. The timepiece further includes a control circuit in which a minute/hour data and a date data are selectively displayed by the operation of a first switch on a digital type indicator and when the timepiece functions as a stopwatch a time interval data is displayed by the operation of a second switch on the indicator based on the time count start instruction and time count stop instruction.

Abstract: A device for controlling the handling of data which comprises a main memory for storing a large number of record data items in a state marked off by record-positioning codes, said respective record data items being formed of series-arranged word data items of variable word length, each containing a plurality (including one) of characters marked off by word-positioning codes, wherein a processing memory is a matrix type formed of columns containing words each having a certain number of characters falling within a specified range and a plurality of rows, and designed to store at least one record data item read out of the main memory; characters constituting the foremost word data item of a record data item read out of the main memory are written with shifting in a given row of the matrix memory, starting with the first character of said word data item; upon detection of a word positioning code immediately following said foremost word data item, the succeeding word data item is written in a row adjacent to said