Abstract: A control apparatus for a linear motor includes a linear motor having a moving coil to be moved in response to a drive signal, a position detector for generating a present position signal representing a present position of the moving coil, a target position setter for generating a target position signal representing a target position of the moving coil, a position deviation detector for generating a position deviation signal representing a difference between the target position signal and the present position signal, an inclination angle detector for generating an inclination angle signal representing an angle between a moving direction of the moving coil and a horizontal plane of the earth, a control instruction circuit for amplifying the position deviation signal with characteristics corresponding to the magnitude of the inclination angle signal, and for generating a control instruction signal, and a driver circuit for generating the drive signal corresponding to the control instruction signal.

Abstract: A scanning device comprises a paper holding member for holding paper to be scanned, paper feeder for continuously feeding the paper in a first direction at substantially a constant speed, scanning unit for scanning the paper in a second direction substantially perpendicular to the first direction, scanning areas scanned in two successive scanning cycles by the scanning unit being partly overlapped on each other, memory for storing data supplied from the scanning unit, and control unit for deriving column data each formed of a plurality of bits from the scanning unit at a regular interval for each row and sequentially storing the derived column data into the memory, detecting the overlapped bit number between two successive scanned data by comparing each column data of one of the two successive scanned data and corresponding column data of the other scanned data, and cancelling the detected number of overlapped bits from each column data of one of the two successive scanned areas.

Abstract: An ink dot printer wherein an ink supply member having a recording electrode fed with ink at the fore end is disposed opposite to an opposed electrode through a recording medium and wherein a picture is drawn with the ink splattered from the fore end of the recording electrode toward the recording medium by generating a potential difference between the opposed electrode and the recording electrode is such that the recording electrode is composed of a conductive material formed on an ink supply member by thin-film technique whereby the ink supply member has both an insulation property and an ink-impregnation property.

Abstract: According to the present invention, a drawer the upper surface of which is open is inserted drawably in an outer case on which is mounted a register, and a receptacle case of an upper-lower double structure comprising a money case as an upper stage the upper surface of which is open and a receptacle portion as a lower stage is inserted in the drawer, with an insertion aperture being formed in the front face of the drawer which insertion aperture is in communication with the receptacle portion, whereby slips, gift coupons, etc. which have been inserted from the insertion aperture and received in the receptacle portion can be transferred as they are to a predetermined place together with the cash received in the money case, and the recovery of those slips, gift coupons, etc. can be done easily without a mistake.

Abstract: The invention provides a ribbon feed device wherein a ribbon take-up mechanism located on a ribbon frame which is mounted for up and down pivotal motion on a carrier and carrying thereon an elongated ribbon along a platen takes up the ribbon in response to upward pivotal motion of the ribbon frame in order to effect printing of a character or erasing of a printed character. During downward pivotal motion of the ribbon frame, the path of the ribbon is bent by a pressing member secured to the carrier to remove possible slacking of the ribbon which may appear along a ribbon feeding route upon printing or erasing operation so as to apply suitable tension to the ribbon.

Abstract: An ink dot printer includes a recording electrode and an operating electrode disposed in a mutually opposing relationship with a record medium interposed therebetween, and a potential difference is caused to appear between the electrodes so that ink around an end of the recording electrode is flown toward the record medium. The recording electrode is formed from a nonconductive member having an ink impregnability which is processed to provide electric conductivity on a surface thereof. Thus, an electric field is well concentrated at the end of the recording electrode, thereby assuring flying of ink from the end of the recording electrode to improve the stability of printing.

Abstract: A bar code scanner has an image sensor for detecting a bar code and for generating an output signal corresponding to the detected bar code, a sample/hold circuit for sampling, holding, and smoothing an output signal from the image sensor, a slice level determination circuit for determining a slice level in accordance with an output signal from the sample/hold circuit, and a comparator for comparing the output signals from the sample/hold circuit and the slice level determination circuit and for generating a low or high output signal in accordance with a comparison result.

Abstract: A load cell type, weight-measuring device includes a load cell for generating an electrical signal corresponding to an applied weight, an analog-to-digital converting circuit for converting an output signal from the load cell to a digital data, and a data processing unit for generating weight data on the basis of output data from the A/D converting circuit. This weight-measuring device further has a memory in which data indicative of the temperature characteristic of the output signal of the load cell is stored, and a temperature sensor for detecting the temperature of the load cell and generating a corresponding output signal. The data processing unit corrects the output data from the A/D converting circuit on the basis of the output signal from the temperature sensor and the data in the memory.

Abstract: A ticket issuing device for a ticket machine according to the present invention comprises a holding plate for receiving thereon tickets fed one by one from a data writing station by a feeding mechanism and for temporarily holding the tickets in a layered condition thereon, a receiving plate located adjacent a ticket issuing port, and an operating member for discharging tickets on the holding plate onto the receiving plate when an issuing signal is issued. Thus, a plurality of tickets can be discharged at a time onto the receiving plate, thereby giving facilities to a person who tries to receive the tickets. The device further comprises a transferrer constituted by electromagnets, the holding plates, and a mechanism interconnecting them which operates when an issue stopping signal is issued to transfer tickets on the holding plate toward a storage. Thus, tickets to be withdrawn are automatically transferred into the storage, thereby giving facilities to a withdrawing person.

Abstract: A printing apparatus includes a platen, a carriage, a guide member, and a carriage drive. A printing head is mounted on the carriage. The carriage can move in the axial direction of the platen, so that the printing head can print data on a sheet of paper set on the platen. The guide member guides the sheet of paper inserted in the gap between the platen and the guide member, into the gap between the platen and the printing head. The carriage driver moves the carriage to a predetermined position within a region opposing the central portion of the platen when no sheet of paper is detected to be set on the platen.

Abstract: A load is applied simultaneously to a plurality of load cells having mutually different optimal weighing ranges and connected to each other, so that load data are obtained individually from such load cells. The data of the weighed load are processed for prevention of display blinking, and the output of the load cell selected with respect to a predetermined switchover point on the basis of the processed load data is displayed, whereby the data once displayed is kept free from blinking to eventually realize a stable display state.

Abstract: An ink-dot printer comprises a recording paper, at least one needle disposed in one side the recording paper and movable between a rest position remote from the recording paper and a projected position close to the recording paper, a driving mechanism for moving the needle between the rest position and the projected position, a driving control unit electrically connected to the driving mechanism so as to supply a driving control signal for controlling the movement of the needle to the driving mechanism, an ink supply mechanism adapted to supply ink to the distal end portion of the needle on the recording sheet side so that the ink attaches to the distal end portion when the needle is located in the rest position, an electrode disposed in another side of the recording paper and facing the distal end portion of the needle, and voltage control unit for applying between the needle and the electrode an ink flying voltage with respect to the supply of the driving control signal from the driving control unit to the

Abstract: A home position detecting apparatus includes a detector to generate a detection signal when the home position of a print wheel is detected and a stepping motor to rotate the print wheel in response to a drive signal. This home position detecting apparatus further includes a control circuit which gives the drive signal having a specific phase to the stepping motor in response to the detection signal from the detector.

Abstract: A memory device includes a reset signal generator for generating a reset signal when the output voltage from a main power supply circuit to supply a driving voltage to a memory decreases to a first predetermined voltage, and a switching circuit for allowing a data holding voltage from a backup power supply to be supplied to the memory in place of the driving voltage from the main power supply circuit in response to the reset signal. This memory device further includes a comparator for generating an inhibiting signal when it detects that the data holding voltage from the backup power supply following generation of the reset signal is lower than the voltage necessary to hold the data in the memory, and a control circuit for setting the memory into an operation inhibition state when it detects that the inhibiting signal was generated from the comparator following the reset signal.

Abstract: The invention provides an electronic appliance wherein a detection output of a sensor means is not influenced by a high frequency component originating in external radio waves. The electronic appliance comprises a conductor member located in a spaced relationship by a predetermined distance from a base which constitutes a body case together with a housing. A by-pass route is provided for by-passing a sensor means near the conductor member to introduce a high frequency component of electric current flow induced in the conductor member to the base. A distributed capacitance forming means is interposed in the by-pass route. Thus, a high frequency component of electric current flow induced in the conductor member is released to the body case via the by-pass route.

Abstract: A head retainer for retaining a magnetic head is mounted to a carrier adapted to reciprocate toward a center of a driving shaft for driving a magnetic disc and includes an azimuth adjusting mechanism for varying a direction of the head retainer with respect to a rotative axis parallel to the driving shaft and a head orientation adjusting mechanism for letting the head retainer approach to or move away from the magnetic disc and incline relative to the same plane as the magnetic disc. With this arrangement, when a position and orientation of the magnetic head are varied during or after assembling of the device, such variation may be accurately corrected.

Abstract: An electronic weight measuring device has a data generator for generating the data according to an applied weight, a first memory, and a data processing unit for respectively storing the zero point data and span data into first and second memory areas in the first memory. This measuring device further has a second memory, for selectively storing the first and second mode data, and a data setting key. When the data setting key is depressed, if it is detected that the first mode data is stored in the second memory, the data processing unit allows the data from the data generator to be stored as the zero point data into the first memory area of the first memory, and also allows the second mode data to be stored into the second memory.

Abstract: A mechanism prevents a memory card from erroneous mounting and dismounting on and from an apparatus having a card insertion hole and performing a predetermined processing on memory unit of the card when the card is mounted into the hole to a predetermined position. The mechanism comprises a memory card provided with a recess, and an engagement member movable between a projecting position, at which the member is projected in a locus of movement of the card from an inlet of the hole to the predetermined position, and a retracted position, at which the member is spaced apart from the locus. The engagement member is interlocked with an operation switch for a circuit for performing a predetermined process to the memory unit, so that the member is brought to the projecting position when the switch is turned on and to the retracted position when the switch is turned off.