Brother Kogyo Kabushiki-Kaisha

Yutaka Nomura

Yoshinori Nakamura

Yuki Ihira

Daisuke Abe

Yoshio Nishimura

Akie Shimizu

Satoru Ichiyanagi

Satoru Makino

Masaru Jimbo

Hiroyuki Suzuki

Manami Ota

Hidenori Oka

Kazuki Kojima

Eiichi Ito

Kentaro Torii

Daisuke Honda

Chikahisa Noguchi

A multi-needle sewing machine includes a plurality of needle bars, a needle bar case having a thread supply path along which threads are supplied to needles attached to lower ends of the needle bars respectively, the needle bar case supporting the needle bars, an arm on which the needle bar case is mounted, an embroidery frame located below the needle bar case and configured to hold a workpiece cloth, a projector configured to project an image onto the workpiece cloth from above the embroidery frame, and a support member supporting the projector and configured to be capable of switching the projector between a first position where the image is projectable onto the workpiece cloth and a second position differing from the first position.

Multi-needle sewing machine

A sewing machine includes a detection unit configured to detect a moving direction of an object when the object placed on a sewing machine bed is moved in any direction, a cutting needle having a distal end formed with a blade edge and configured to form a cut in the object, an up-down drive mechanism configured to reciprocate the needle in an up-down direction, a rotational drive mechanism configured to rotate the needle about a rotation axis line of the needle, and a control device configured to control the up-down drive mechanism and the rotational drive mechanism based on a result of detection by the detection unit so that an orientation of the blade edge is changed according to the moving direction of the object and the needle is reciprocated to form the cut in the object with the blade edge being in the changed orientation.

Sewing machine

A sewing machine includes a sewing portion, a display, a processor, and a memory. The sewing portion is configured to perform sewing on a sewing workpiece. The memory is configured to store computer-readable instructions. The computer-readable instructions, when executed by the processor, cause the sewing machine to perform processes that include determining a plurality of first positions based on embroidery data, causing the display to display an image showing an embroidery pattern and a plurality of feature points superimposed on the image, identifying one of the plurality of first positions indicated by one of the plurality of feature points displayed on the display, identifying, as a second position, an arbitrary position on the sewing workpiece, changing positions of a plurality of stitches identified by the embroidery data, and causing the sewing portion to sew the plurality of stitches based on the changed positions of the plurality of stitches.

A sewing machine includes a coordinate indicator, a processor, and a memory. The coordinate indicator includes a cylindrical housing, a rod-shaped indicating member, a switch, a single transmitter, a receiver, and a flat surface. The memory is configured to store computer-readable instructions. The computer-readable instructions, when executed by the processor, cause the sewing machine to perform processes that include computing a plurality of sets of first coordinates based on a plurality of times at which the receiver receives a ultrasonic wave, computing a movement direction based on at least some of the computed plurality of sets of the first coordinates, computing a movement distance based on at least some of the computed plurality of sets of the first coordinates, and computing second coordinates based on at least some of the plurality of sets of the first coordinates, the movement direction, and the movement distance.

A sewing machine that includes a processor, a plurality of detection devices that is configured to be capable of changing mounting positions and configured to detect an ultrasonic wave, and a memory that is configured to store computer-readable instructions that instruct the sewing machine to execute steps comprising, identifying, when a first ultrasonic wave transmitted from a transmission source of the ultrasonic wave is detected by the detection devices, a position of the transmission source of the first ultrasonic wave, based on information relating to the detected first ultrasonic wave, and controlling sewing based on the identified position of the transmission source of the first ultrasonic wave.

Sewing machine and non-transitory computer readable storage medium storing program

A sewing machine includes a bed, a sewing device, a projection portion, an item detection portion, and a control portion. The sewing device includes a needle bar and a feed portion that moves a work cloth. The projection portion projects, onto at least one of the bed and the work cloth, a projected image that includes at least one operation item that indicates an operation of the sewing device. The item detection portion detects whether a user's finger has touched a location, on the at least one of the bed and the work cloth onto which the at least one operation item is being projected by the projection portion, where one of the at least one operation item is being projected. The control portion operates the sewing device in accordance with the operation item that has been detected by the item detection portion.

Sewing machine and non-transitory computer-readable medium storing computer-readable instructions for the sewing machine

A sewing machine includes at least one detecting portion, a processor, and a memory. The at least one detecting portion is configured to detect an ultrasonic wave that has been transmitted from a transmission source. The memory is configured to store computer-readable instructions that instruct the sewing machine to execute steps including identifying a position of the transmission source of the ultrasonic wave based on information pertaining to the ultrasonic wave that has been detected by the at least one detecting portion, and controlling sewing based on the position of the transmission source that has been identified.

Sewing machine, embroidery unit, and non-transitory computer-readable medium storing sewing machine control program

A coordinate computation device includes a position indication portion, a detection portion, a processor, and a memory. The position indication portion includes an indicating portion, a switch, and a transmitter. The detection portion is configured to detect ultrasonic waves transmitted by the transmitter. The memory is configured to store computer-readable instructions. The computer-readable instructions cause the processor to perform processes that include computing sets of first coordinates, based on times when the detection portion detects the ultrasonic waves, computing a movement direction of the position indication portion on a plane, computing an angle formed between the plane and a direction in which the position indication portion is long, and computing a set of second coordinates, based on the computed movement direction, the computed angle, and a set of third coordinates among the sets of the computed first coordinates.

Coordinate computation device and sewing machine

An information processing device includes a processor and a memory. The memory is configured to store computer-readable instructions. The instructions instruct the information processing device to execute steps including randomly arranging a plurality of embroidery patterns within a coordinate area set in an embroidery frame that is moved in two directions.

Information processing device, sewing machine and non-transitory recording medium storing program

A sewing machine includes a sewing portion, a detector, a processor, and a memory. The sewing portion includes a needle bar and a transport portion. The needle bar is configured to have a sewing needle on a lower end. The transport portion is configured to move a work cloth. The detector is configured to detect ultrasonic waves. The memory stores computer-readable instructions that instruct the processor to perform specifying a position of a transmission source of the ultrasonic waves based on the ultrasonic waves that are detected by the detector, specifying sewing information based on the specified position of the transmission source, the sewing information being information that pertains to sewing, and controlling the sewing portion based on the specified sewing information.

A sewing machine that includes a sewing device that includes a needle bar configured to attach a sewing needle, and a transport device configured to move a work cloth, a processor, a plurality of detection devices that are configured to detect ultrasonic waves, and a memory that is configured to store computer-readable instructions that instruct the sewing machine to execute steps comprising specifying, when an ultrasonic wave transmitted from a transmission source of the ultrasonic wave is detected by the detection devices, a position of the transmission source of the ultrasonic waves, based on the detected ultrasonic waves, specifying a sewing position on the work cloth based on the specified position of the transmission source, and moving the work cloth by the transport device in accordance with the specified sewing position.

A sewing machine includes a sewing device, a processor, and a memory. The sewing device is configured to form stitches on a sewing workpiece. The memory is to store computer-readable instructions that, when executed by the processor, instruct the processor to perform processes including acquiring embroidery data, generating stitched marker data, causing the sewing device to sew the at least one stitched marker, causing the sewing device to start sewing an embroidery pattern, identifying a pattern to be sewn when the sewing of the embroidery pattern is stopped, detecting at least one of a second sewing position and a second sewing angle when the sewing of the embroidery pattern is stopped, setting at least one of a third sewing position and a third sewing angle, correcting data to be used to sew the pattern to be sewn, and causing the sewing device to restart sewing the embroidery pattern.

Sewing machine and non-transitory computer-readable medium

A sewing machine includes a detector configured to detect ultrasonic waves transmitted from a specification-enabled area, a processor, and a memory storing non-transitory computer-readable instructions that instruct the sewing machine to perform specifying a prescribed position based on a positional relationship between a transmission area and the specification-enabled area, the transmission area being an area that is at least a portion of a sewing-enabled area and being an area that includes a position of a transmission source that transmits the ultrasonic waves, the prescribed position being a position of an embroidery frame when the entire transmission area is included in the specification-enabled area, moving the embroidery frame to the specified prescribed position, specifying a transmission position based on the ultrasonic waves that are detected by the detector, and performing a sewing operation based on the specified transmission position.

A sewing machine includes a control portion that controls a thread tension adjustment portion and a feed portion such that a first stitch and a second stitch are formed alternately on a sewing object. The first stitch includes only a stitch in which an interlacing point of the upper thread and a bobbin thread is lower than a top surface of the sewing object. The second stitch includes at least one set of a first section and a second section. The first section is a section in which the interlacing point and the bobbin thread are pulled out, by the thread tension, in the first direction on the top surface of the sewing object. The second section is a section in which the bobbin thread is pulled out in the second direction, and at least part of the second section overlapping with the first section.

A sewing machine includes a spool pin stand having spool pins to which thread spools are attachable and seats corresponding to the spool pins, respectively, thread passage defining members located on a thread passage, a sewing data storage unit storing sewing data including at least thread color information about colors of the needle threads, thread supply display units which are located on the spool pin stand so as to correspond to the spool pins respectively, the thread supply display units being configured to produce light which transmits through at least ones of the spool pins and the seats and displaying the thread colors in a color-variable manner, respectively, and a thread color information control unit controlling the thread supply display units based on the thread color information so that thread colors corresponding to the spool pins are displayed by the thread supply display units, respectively.

Growing community of inventors

Anjo, Japan

Yutaka Nomura