Abstract: A cut target medium driving type cutting plotter, where a cut target medium to be cut is driven in a first direction and a cutting unit is driven in a second direction perpendicular to the first direction, thereby moving the cutting unit in a two-dimensional direction relative to the cut target medium to make the cutting unit to be selectively brought into press contact with and separated from the cut target medium to cut the cut target medium in a desired shape, the cut target medium driving type cutting plotter includes a cut target medium supporting sheet to removably support the cut target medium on a surface opposite to the cutting unit. Preferably, the cut target medium is driven in the first direction together with the cut target medium supporting sheet, and the cut target medium supported on the cut target medium supporting sheet is cut by the cutting unit.

Abstract: An image reading apparatus including a plurality of image sensors aligned in a zigzag shape and a draft carrying unit operated to a draft to carry in a sub scanning direction, the image reading apparatus forming an image data of a total of the draft from image data provided by the respective image sensors. The draft carrying unit is provided to be operated to the draft in a region aligned in a zigzag shape to constitute an inverse phase relative to the image sensor.

Abstract: An image reading apparatus including a plurality of image sensors aligned in a zigzag shape and a draft carrying unit operated to a draft to carry in a sub scanning direction, the image reading apparatus forming an image data of a total of the draft from image data provided by the respective image sensors. The draft carrying unit is provided to be operated to the draft in a region aligned in a zigzag shape to constitute an inverse phase relative to the image sensor.

Abstract: A cut target medium driving type cutting plotter, in which a cut target medium to be cut is driven in a first direction and a cutting unit is driven in a second direction perpendicular to the first direction, thereby moving the cutting unit in a two-dimensional direction relative to the cut target medium to make the cutting unit to be selectively brought into press contact with and separated from the cut target medium to cut the cut target medium in a desired shape, the cut target medium driving type cutting plotter includes a cut target medium supporting sheet to removably support the cut target medium on a surface opposite to the cutting unit. Preferably, the cut target medium is driven in the first direction together with the cut target medium supporting sheet, and the cut target medium supported on the cut target medium supporting sheet is cut by the cutting unit.

Abstract: In an input pen for transmitting to a tablet 19 information of variation in writing pressure as well as information of designated positions, a joint 10 is mounted on the rear end of a shaft a writing tip 12. A movable magnetic core 9 is attached to the joint 10. A push rod 13 is passed in the pen body in such a manner that longitudinal position of the push rod is controllable, with a resilient member 11 interposed between the push rod 13 and the joint 10. Longitudinal position of the push rod 13 is adjusted in order to control the load upon mounting of the resilient member 11. It is thus possible to control the load upon mounting of the resilient member 11 biasing the writing tip 12 forward by adjusting the position of the push rod 13, whereby the resilient member 11 can be mounted constantly under a predetermined load independently of variation in dimensions of components. A reliable detection of writing pressure applied to the writing tip 12 by operator's hand is therefore made possible.

Abstract: The voltage drop in the power supply common conductor of a thermal printing head deteriorates the quality of printing. In order to compensate this voltage drop, the power supply common conductor is provided with multiple feed points. Each feed point is connected through a V-shaped connecting conductor to the power supply.

Abstract: In a multiple-time recorder in which different colored recordings are superimposed on a single sheet to draw a multi-colored drawing, the reference position of the recording paper must remain at a same point for each-time drawing of a single color. At an initialization, a physical property of the recording paper is measured as a function of the paper position including the reference position, and this function is stored in a reference data memory. Before the commencement of the next and subsequent recordings, the same physical property is measured and stored in a compared data memory. From the cross correlation of the contents of the compared data memory and those of the reference data memory, the reference position for the next and subsequent recordings is precisely determined.

Abstract: Data is recorded with a plurality of clocked recording elements in a plurality of recordings in a plurality of different scales determined by different data recording parameters. Data recording parameters for any scale are electronically fixed for each recording in that scale, and are stored in a lookup table. Such stored data recording parameters are derived from that lookup table for determining the clocked recording elements for data recording in the particular scale, and data is recorded with such determined clocked recording elements in that scale.

Abstract: A device for determining position coordinates of points on a surface, has a tablet containing plural number of equally spaced driver windings and plural number of equally spaced sense windings. Each driver winding has a pair of parallel conductors laid in X-direction, and each sense winding has a pair of parallel conductors laid in Y-direction. A current is generated in a cursor coil by the voltage induced from the current in a nearby situated driver winding. This current in the cursor coil induces a voltage in a nearby situated sense winding. The X-position of a sense winding in which a maximum voltage is induced, and the Y-position of a driver winding which induces a maximum voltage in the cursor coil, determine the position coordinates of the cursor on the tablet. Auxiliary sense windings are supplemented to the tablet. Induced voltages on these auxiliary sense windings determine the Y-position of the cursor regardless of its X-position, and reduce the overall time required for position determination.

Abstract: In a cordless digitizer comprising a tablet, a cursor, and a signl processor, a power-supply grid structure (or structures) is provided in the tablet, and a power-supply frequency coupling coil is equipped in the cursor. The electric power to the cursor is supplied through electromagnetic coupling between the power-supply grid structure and the power-supply frequency coupling coil. The attribute of the point indicated by the cursor is conveyed by a binary code from the cursor to the signal processor.

Abstract: Several pairs of ink sheet reels are mounted on an ink sheet stock assembly. The supporting axis of a sheet take-up reel of a pair of ink sheet reels is grasped by an axis clutch of a sheet transfer assembly, and the sheet transfer assembly is placed at the remote end from the ink sheet stock assembly, outstretching the ink sheet between the stock reel and the take-up reel pair. When a new ink sheet is to be used, the sheet transfer assembly comes to a position nearest to the ink sheet stock assembly. This position is the transfer position where an empty axis clutch for sheet take-up reel of the ink sheet stock assembly takes the sheet take-up reel from the axis clutch of the sheet transfer assembly. A new pair of ink sheet reels comes down to this position, hokding a new sheet take-up reel. The axis clutch of the sheet transfer assembly takes the new sheet take-up reel and recedes in a horizontal direction outstreching a new ink sheet.

Abstract: Data records provided by thermal recording heads, including a plurality of clocked heating elements, are controlled in density by continually storing for each of such heating elements a present moment recording datum and further recording data including a one-clock-interval-old recording datum and a two-clock-interval-old recording datum for the particular heating element, and by continually generating for each heating element from the present moment recording datum to be recorded a first dot recording energization quantum and for each of the further dot recording data having been printed a dot recording energization pause and for each blank value of such further dot recording data a further dot recording energization quantum.

Abstract: When selecting a coordinate grid pattern within which to record data on a chart, a line of such grid pattern is selected as a reference line recordable by one of the elements of a recording head. A reference level corresponding to that reference line is provided. One heating element is ranked in terms of position across the thermal recording head. A discrepancy in ranking between that one heating element and a heating element of the recording head with which the reference level is recorded on the chart is noted. A shifting in ranking pursuant to such a noted discrepancy is effected until the heating element with which the reference level is recorded and the above mentioned one heating element with which the reference line of the grid pattern is recorded have become identical.

Abstract: Information is recorded with one or more elongate thermal recording heads on a recording medium advancing at least intermittently on a recording medium support. Such recording head or heads are being pressed against the recording medium at the recording medium support by at least two biasing devices spaced along such elongate thermal recording head or heads. These two biasing devices are balanced relative to each other opposite the elongate thermal recording head or heads, as seen from the recording medium support. Different characteristics of the biasing devices are thus compensated opposite the elongate thermal recording head or heads, as seen from said recording medium support. Forces acting at one end of an elongate thermal recording head, or acting on one of the recording heads, against either of the biasing devices are transmitted via both biasing devices to an opposite end of that elongate thermal recording head or to the other of two elongate thermal recording heads.

Abstract: A recorder with a pencil pen which contains a plurality of pencil leads therein comprises means for causing a lead chuck mechanism of the pencil lead to hold and release the pencil lead and means for vertically moving a pencil lead displacement mechanism of the pencil pen. Those means are alternately activated by lead feed/eject means to eject a consumed unnecessary pencil lead and drive out a new pencil lead and hold it at a recording position. Since the pencil leads can be automatically ejected and driven out, a recording efficiency is improved and long period continuous recording is attained with a single pencil pen. A lead feed/eject holder is provided to eject a residual lead of the pencil pen, and a processing unit for processing the ejected residual lead is provided. Thus, the recording efficiency is further improved.

Abstract: In a thermal recording apparatus using a plurality of thermal heads supported by a head supporting means including a head supporting mechanism and a head pressing mechanism. The head supporting means includes single supporting units provided for correspondingly respectively supporting the thermal heads. Each of the single supporting units has a pair of hook-shaped members fixed to corresponding one of the thermal heads at two places of the rear surface thereof, and has a head supporting member having a pair of side end portions corresponding to the pair of hook-shaped members and a plane portion formed between the pair of side end portions and fixed to a rotatable pillar-shaped member. The head supporting member is engaged at its side end portions with the respective hook-shaped members so as to be movable in the vertical and rotational directions.

Abstract: A coordinate determining tablet and method for determining an X-Y coordinate position using electromagnetic induction, including a plurality of conductive wires mounted on an insulating plate such that the wires are formed in a parallel return winding pattern displaced from each other by an interval; one end of the conductive wires forming the return are connected to a common conductive wire, while the other end of the conductive wires are each connected to one terminal of a switch provided for each parallel winding; the other terminals of the switches are connected alternately to three common conductive wires; the switches are arranged in a number of groups so as to simultaneously turn on and off groups of parallel winding patterns at a predetermined interval.

Abstract: A device for determining position coordinates of points on a surface, have a cursor structure, a grid structure, and a signal processor. The cursor structure has a cursor coil and a signal generator to impress a reference phase voltage to the coil. Voltages induced from the cursor coil in conductors of the grid structure are processed in the signal processor to produce a position dependent phase voltage. For the signal processor, reference phase pulses are obtained from a voltage induced in an auxiliary grid conductor provided in the grid structure.

Abstract: An XY recorder in which a recording paper is moved on a platen along the X axis in accordance with one variable and a stylus is moved along the Y axis in accordance with another variable, employs a controller to control the paper movement in several different modes. In a paper draw out mode, the paper is drawn out from a paper-feed roll pinched on the platen between pinch rollers and drive rollers, and during a time interval when the paper-feed roll exerts a backward tension to the paper, the paper is intermittently allowed to slip on the platen by disengaging the pinch rollers from the drive rollers. The tension to the paper backward from the paper-feed roll automatically aligns the paper.

Abstract: In an automatic recording instrument having a thermal recording-pen to record on a heat sensitive recording-paper, an operational amplifier output supplies the heating current to the thermal pen through a resistor. A non-linear transfer element receives the output voltage of the amplifier and delivers a voltage having a predetermined non-linear relation to its input. The voltage difference between the output of the non-linear transfer element and the junction point of the thermal pen to the resistor is feedback connected to the input of the amplifier. When the relative velocity between the pen and the paper is increased, the input voltage of the amplifier is increased to increase the output voltage, and when the output voltage is increased, the resistance of the thermal pen is increased to balance to the output of the non-linear transfer element for reducing the input to the amplifier.