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:
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 information transmission-controlling apparatus which comprises a memory for storing a series of words each formed of a plurality of binary coded characters; an information input device for supplying the memory device with a numeral-type word or a letter-type word consisting of a larger maximum character bit number than that of a numeral-type word and a word-positioning code interposed between the respective words; and a word character bit number-designating device for determining the character bit number of words supplied from the information input device according to whether the words are of a numeral type or a letter-type, upon detection of that word-positioning code delivered from the information input device which precedes each of both types of words, in order that each word can be stored in the memory device with the corresponding selected character bit number.
Abstract:
A manual key input apparatus, which comprises a memory for successively storing the characters of each of a plurality of words includes in one record which is supplied from a key input device and marked off by a record-positioning code from the succeeding record data, and wherein a first counter counts a total number of characters of words included in one record supplied to the memory from the key input device; a counted number of characters of words is stored in a character number memory; comparison is made in a comparator between a number of characters of words constituting one record which has already been stored in the character number memory and a number of characters of words included in the succeeding record which has been counted by the first counter; where said comparison determines a number of characters of words constituting the succeeding record to be larger than a counted number of characters of words already stored in the character number memory, then the number of the characters of the words included the succeeding record is stored in said character number memory to replace the previously stored character number; counting is repeated, each time the character number memory is supplied with a number of characters of words included in one record from the key input device; a second counter detects the remaining storing capacity of the character number memory whose capacity varies with character numbers supplied in succession, from every last counted character number; comparison is made in a second comparator between a character number already stored in the character number memory and a character number counted by the second counter; where said comparison determines a number of characters counted by the second counter to be smaller than a number of characters already stored in the character number memory, then supply of a new record from the key input device to the character number memory is suspended.
Abstract:
An electronic timepiece includes a first memory adapted to time count data in address positions in such an order that a larger time unit is positioned ahead of a smaller time count unit, and a second memory adapted to have address positions designated in a manner to correspond to the address position of the first memory and store carry requirement numerical data, each corresponding to a final time count value of the respective time count unit of the first memory, on the basis of which a carry is effected to a next higher order position of the first memory. The first and second memories are address designated by a frequency division signal from a clock signal generator. The time count data in the address position of the first memory is compared at a comparator with the carry requirement numerical data in the corresponding address position of the second memory. When a coincidence signal emerges from the comparator the compared time count data of the address position of the first memory is cleared and "+1" is added to the next higher order address position of the first memory. When no coincidence signal appears from the comparator, counting is repeated at that address position of the first memory. The time count data is also displayed at an indicator.
Abstract:
An information readout apparatus comprises an information memory for successively storing heading information which includes a plurality of heading items and body information associated with said heading information, and wherein the body information is formed of one or more detail information groups, each of which includes a plurality of item numerals. The heading information and body information are distinguished from each other by different positioning codes preceding two forms of information respectively which are detected by a code detector; the heading information read out from the information memory is stored in a buffer memory in response to an output positioning code signal detected by the code detector which represents the heading information; and the heading information is read out from the buffer memory, each time a positioning code associated with the respective detail information groups is read out from the information memory and detected by the code detector. Thereafter, each detail information group is read out in the form preceded by the corresponding positioning code, said heading information, and detail information group preceded by the corresponding positioning code collectively constituting a unit record information group, and a series of unit record information groups consisting of the common heading information combined with the respective associated detail information groups are read out as a comprehensive piece of information to be later arithmetically processed.
Abstract:
An ink jet character recording apparatus comprises a first deflection electrode for deflecting the stream of ink droplets ejected from a nozzle in a direction perpendicular to the direction of relative movement between a recording paper and the nozzle, a second deflection electrode for deflecting the stream of ink droplets in a direction substantially perpendicular to the direction of deflection effected by the first electrode, and an ink collector for collecting the ink droplets.
Abstract:
An electronic musical instrument employs a novel technique to produce a musical sound. A major part of a musical sound producing section of the electronic musical instrument is constructed by digital circuitry which is well adapted for an LSI fabrication. The electronic musical instrument comprises a volume control means to digitally perform a volume control to increase or decrease a performance volume, a period counting means to count one cycle of a musical sound wave by a plurality of counting steps in order to form a musical sound wave under digital control, a period control means to control the period counting means in accordance with the scale represented by a depressed performance key, and a means to instruct the rise and the fall of a musical sound wave by a value which is an integral multiple of a control value of the volume control means, for each block including a predetermined number of counting steps.
Abstract:
An electronic musical instrument employs a novel technique to produce a musical sound. A major part of a musical sound producing section of the electronic musical instrument is constructed by digital circuitry which is well adapted for an LSI fabrication. The electronic musical instrument comprises a volume control means to digitally perform a volume control to increase or decrease a performance volume, a period counting means to count one cycle of a musical sound wave by a plurality of counting steps in order to form a musical sound wave under digital control, a period control means to control the period counting means in accordance with the scale represented by depressed performance key, and a means to instruct the rise and the fall of a musical sound wave by a value which is an integral multiple of a control value of the volume control means, for each block including a predetermined number of counting steps.
Abstract:
An electronic musical instrument employs a novel technique to produce a musical sound. A major part of a musical sound producing section of the electronic musical instrument is constructed by digital circuitry which is well adapted for an LSI fabrication. The electronic musical instrument comprises a volume control means to digitally perform a volume control to increase or decrease a performance volume, a period counting means to count one cycle of a musical sound wave by a plurality of counting steps in order to form a musical sound wave under digital control, a period control means to control the period counting means in accordance with the scale represented by a depressed performance key, and a means to instruct the rise and the fall of a musical sound wave by a value which is an integral multiple of a control value of the volume control means, for each block including a predetermined number of counting steps.