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Inventor:
Takenoya; Hideaki
Address:
Hachioji, JP
No. of patents:
45
Patents:












Patent Number Title Of Patent Date Issued
6161491 Embroidery pattern positioning apparatus and embroidering apparatus December 19, 2000
Embroidery pattern positioning apparatus and embroidering apparatus is disclosed, wherein a pattern is projected on a cloth F on which the pattern is embroidered. The projected pattern is moved on the cloth by operation of jog keys 6 to determine a position of the pattern where the p
6089172 Lock stitch sewing machine with automatic thread tension adjusting device July 18, 2000
A lock stitch sewing machine with an automatic thread tension adjusting device is disclosed, wherein the sewing machine has a plurality of thread tension adjusting mechanisms 7, each of which including a pair of thread tension disks 12, 13, one of which is normally pressed by a spring to
5855176 Embroidery stitch data producing device and sewing machine January 5, 1999
Disclosed is a device for producing embroidery pattern stitch data, wherein a pattern or patterns may be entered or selected from a memory (3) and the like and optionally positioned. It is discriminated if the selected pattern or patterns may be wholly received in a predetermined stitch
4697941 Platen and paper drive in an inked-platen wire-dot impact printer October 6, 1987
In a wire-dot impact type printer a cylindrical platen and a printing paper are rotated or transported at the same rate, by connecting them to a single and common electric motor through a first and second transmission mechanisms, respectively. The first transmission mechanism directly
4664545 Paper feeding mechanism of printing machine May 12, 1987
A printer of a wire-dot impact type is provided forwardly of the housing an inlet opening for introducing a printing paper to the inside and has an outlet opening provided at a rear side of the housing for discharging the printing paper to the outside. The printing paper is transported b
4553870 Impact type color printer November 19, 1985
An impact type color printer is provided a control circuit which produces a random digit signal each time the printer is connected to a power supply, according to which random digit signal a platen is rotated so that one of plural impact sections axially arranged in each ink saturated me
4541354 Feed reference point balancing device of sewing machine September 17, 1985
In a fabric feeding mechanism of a sewing machine there are provided a pair of elastic members each connected between two pivot axes at both ends of each of a pair of link elements. The elastic members have their pitches slightly different from those of the corresponding link elements an
4530296 Lower thread tension adjusting device of sewing machines July 23, 1985
A sewing machine has a loop taker rotated in horizontal plane and a bobbin carrier contained in the loop taker. The bobbin carrier has an abutment secured thereto and a leaf spring mounted on the abutment and movable to and away from the abutment to adjust a tension applied to a lower th
4527495 Buttonhole stitching process July 9, 1985
A process for stitching a buttonhole in the forward and reverse fabric feeding directions by means of a zigzag sewing machine including the step of producing one or more of stitches at a critical pattern changing point which will serve as a reference mark for enabling the sewing machine
4522137 Method of producing stitch patterns in an electronic sewing machine June 11, 1985
A method is disclosed in which all patterns to be sewn by an electronic sewing machine are divided into individual unit patterns. Stitch data characteristic of common unit patterns which find application in more than one pattern to be sewn is stored only once in a read-only memory. As a
4485750 Electronic sewing machine December 4, 1984
In an electronic pattern stitch sewing machine, lock stitches are produced prior to the initial and final stitch of a selected pattern without deforming the patterns. In this machine, under single setting operation conditions the setting of desired sewing parameters is made automatically
4426946 Stitch control method of electronic sewing machine January 24, 1984
In a stitch control process of the sewing machine which employs a microcomputer with an electronic memory storing stitch control signals and a needle position control motor and a fabric feed control motor, the microcomputer controls the needle position and the fabric feed control mot
4409915 Switch control method of an electronic sewing machine October 18, 1983
A method is disclosed for modifying a specific stitch or stitches of a given stitch pattern while the other parts of the pattern remain subject to the standard setting specific to the pattern.
4393795 Electronic sewing machine July 19, 1983
In electronic pattern stitch sewing machine lock stitches are produced prior to the initial and final stitch of a selected pattern without deforming the patterns. In this machine, under single setting operation conditions the setting of desired sewing parameters is made automatically
4393794 Sewing machine with needle dropping hole changing control device July 19, 1983
A sewing machine has a stitch control pulse motor for changing the needle position and is connected to a needle plate by means of an intermediate control device which is operated by a starting device of the machine, to change the needle dropping hole.
4368683 Sewing machine with feed dog dropping system January 18, 1983
A sewing machine with a feed dog vertically displaceable between an upper operative position and a lower inoperative position has a control element connected with a control shaft of a control motor and turnable by the latter within a predetermined range in two opposite directions, a cam
4368682 Electronic sewing machine with pattern elongation system January 18, 1983
A pattern elongation system in an electronic sewing machine includes a number of switches on the housing of the machine and a rotatable knob for actuating a pattern selecting circuit of the pattern elongation system. The pattern elongation system further includes a memory for storing sti
4343249 Stitch-length correcting sewing machine and stitch-length measuring presser foot assembly used t August 10, 1982
A stitch-length correcting sewing machine and a stitch-length measuring presser foot assembly used therein are disclosed. The sewing machine and presser foot assembly enables stitches of a predetermined length to be sewn, without the necessity of stitching a trial stitch on a piece of
4343248 Pattern selecting system of an electronic sewing machine August 10, 1982
A pattern selecting system is disclosed in which a single set of push buttons is utilized to select a first group of patterns each of which corresponds to a particular push button and a second group of patterns indicated by a series of two figure numbers.
4340002 Upper shaft phase detecting system for sewing machines July 20, 1982
An upper shaft phase detecting system in which the rotation speed of the upper shaft is sensed and utilized to vary the time at which data starts to be released from an electronic memory of a sewing machine.
4334486 Electronic sewing machine June 15, 1982
An electronic sewing machine with an electronic memory and electronic circuit for controlling the needle amplitute and the fabric feed in order to form a plurality of stitching patterns includes a plurality of pattern-selecting buttons on the pattern panel of the machine, an inverse
4331090 Bobbin thread tensioning device for a sewing machine May 25, 1982
A device for automatically adjusting the tension of a lower thread, which comprises a lower thread bobbin arranged on a bottom plate of a bobbin carrier turnably carrying the bobbin, a loop taker mounted on a magnetic shaft, and an energizing coil arranged around the magnetic shaft and
4315472 Electronic sewing machine February 16, 1982
When a pulse motor in an electronic sewing machine is to be subjected to a heavy load, the pulse motor is operated at a slower speed in order to cause the pulse motor to operate at a rate in which it has a maximum torque output. For lesser load conditions, pulse motor speed is allowed to
4308814 Electronic sewing machine with a stitch control device January 5, 1982
A single motor controls needle swing and fabric feed in a sewing machine. The motor is connected to a transmission which alternately locks either the needle swing or the fabric feed while releasing either the fabric feed or the needle swing as the case may be. The motor is operated in
4303028 Sewing machine with needle dropping hole changing control system December 1, 1981
A sewing machine is disclosed in which a needle hole switching mechanism is activated in association with pattern stitch selection.
4299180 Electrical automatic pattern stitching sewing machine November 10, 1981
The needle-shifting zig-zag unit and the work feeding unit are moved to different positions, when necessary, for successive stitches, to form a stitching pattern. Each unit is powered by the main rotating drive shaft of the sewing machine. However, each unit is provided with a respective
4290375 Apparatus for writing and using embroidery information on magnetic tape September 22, 1981
An automatic embroidery machine is driven by information recorded on magnetic tape and utilizes a fixed sewing machine and a movable embroidery frame. An input apparatus registers user-selected points on a coordinate analysis panel, which points form embroidery patterns to be sewn, and
4289087 Sewing machine with thread-tension control system September 15, 1981
The tension of the sewing machine's upper thread is varied automatically, in a variety of ways not requiring conscious participation on the part of the user of the machine. When one of a set of selectable stitch-patterns is selected by the user, an appropriate thread-tension value is
4289084 Sewing machine with stitch type identifying device September 15, 1981
A sewing machine can accept a plurality of presser feet for specific stitching applications. The invention adjusts lateral movement of the needle, feed dog operation, and needle hole size at the needle plate to conform with the presser foot used, and to thereby prevent needle breakage
4282821 Electronic control system for sewing machines August 11, 1981
A first memory stores stitch control signals. A second memory stores these signals temporarily and reads them out to enable stitches to be formed. As a pattern is stitched, the first memory is readdressed and stitch control signals are successively written into and read out of the second
4282821 Electronic control system for sewing machines August 11, 1981
A first memory stores stitch control signals. A second memory stores these signals temporarily and reads them out to enable stitches to be formed. As a pattern is stitched, the first memory is readdressed and stitch control signals are successively written into and read out of the second
4276840 Electronic sewing machine with a feed control device July 7, 1981
A sewing machine which utilizes a pulse motor to vary feed rate in steps is equipped with a microcomputer that causes the pulse motor to operate in a repeated sequence in which two adjacent feed rates are alternated. By operating the computer in accordance with a manually-operable contro
4271773 Pulse motor rotation phase adjusting system of a sewing machine June 9, 1981
A pulse motor rotation phase adjusting system for a sewing machine includes a pulse motor operative for positioning a needle of the sewing machine in accordance with the predetermined stitch coordinates of a selected pattern. The pulse motor is adapted to be set to one of the stepping
4259913 Electronic pattern control sewing machine April 7, 1981
A sewing machine has stitch forming instrumentalities synchronously operated with the upper drive shaft to produce a variety of stitch patterns using a plurality of manual pattern selecting switches to produce pattern selecting signals specific to the pattern selected in conjunction
4242973 Sewing machine with electronic patterning system January 6, 1981
The electronic patterning system of a sewing machine comprises a main pattern memory consisting of a large number of individually addressable storage locations. Instead of each storage location storing only the stitch-control data for one stitch of one pattern, one section of each of
4236469 Sewing machine with feed dog dropping control system December 2, 1980
A sewing machine including stitch forming device, electrically driven means for driving the needle and the feed dog, a static memory to control the electrically driven means and a pattern selecting arrangement. The electrically driven means comprise a pulse motor for controlling a ho
4231307 Pulse generator for sewing machines November 4, 1980
A sewing machine comprises a machine housing, a main shaft rotatably mounted on the machine housing, a needle bar swingably mounted and vertically reciprocated by the main shaft, a feeding device operated in time relationship with the needle bar, an electric motor for controlling the
4221177 Sewing machine with stitch-pattern control circuitry September 9, 1980
The stitch-control-signal outputs of a first memory are connected to the inputs of stitch-forming instrumentalities via an intermediate second memory. One of the two memories is a static memory which is read out by applying to the address signal inputs thereof a series of next-address
4210088 Sewing machine with an electronic pattern stitch control system July 1, 1980
When a pattern is selected a pattern-identifying code word is persistently held, the system referring to this code word during pattern formation. A free-running pulse generator applies pulses to an addressing counter, unsynchronized with machine operation, and at a speed much higher than
4187789 Sewing machine with an electronic pattern stitch control system February 12, 1980
The invention concerns a sewing machine with an electronic pattern stitch control system which operates the stitch forming device to change the relative positions of the needle and the sewn material, thereby to form a pattern. Addressing signals are applied to the address inputs of the
4181086 Pattern selecting system for sewing machine January 1, 1980
A rows-and-columns array of indicator lamps, each lamp associated with a selectable stitch pattern, is provided on the machine housing, with one pushbutton switch per column of indicator lamps. In a first embodiment, when a particular column and row contain the single illuminated one of
4145982 Electrical automatic pattern stitching sewing machine March 27, 1979
The needle-shifting zig-zag unit and the work feeding unit are moved to different positions, when necessary, for successive stitches, to form a stitching pattern. Each unit is powered by the main rotating drive shaft of the sewing machine. However, each unit is provided with a respective
4141305 Electronic pattern control for a sewing machine February 27, 1979
A logic circuit generates in succession the stitch-control data for the successive stitches of a selected stitch pattern. The logic circuit does not store simultaneously all the stitch-control data for all the stitches of all the selectable stitch patterns, in the way done by conventiona
4112858 Sewing machine with a pattern generating device September 12, 1978
Patterned stitching is produced by shifting the needle or work feed of the machine to different position coordinates. A motion-generating cam generates motion in a first path of motion. A transmission lever receives this motion and transmits it to the stitch forming instrumentalities.
4108093 Pattern stitching speed control system for electronic sewing machines August 22, 1978
A drive motor drives a reciprocating sewing needle. A static memory has lateral-control-signal outputs at which it furnishes signals indicating how much the needle should be laterally shifted for each stitch in a selected pattern, and feed-control-signal outputs at which it furnishes










 
 
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