Abstract: A multi-needle sewing machine includes a plurality of needle bars, a needle plate, a needle bar case, a needle bar drive mechanism, a needle bar case movement mechanism, a mounting portion, a frame movement mechanism, a processor, and a memory. The memory is configured to store computer-readable instructions that, when executed by the processor, instruct the processor to perform processes. The processes include identification processing of identifying a position of the needle bar case in the arrangement direction, in accordance with detection of a retraction command causing the mounting portion to be moved to a retracted position, setting processing of setting the retracted position of the mounting portion on the basis of the identified position of the needle bar case in the arrangement direction, and movement processing of controlling the frame movement mechanism to move the mounting portion to the set retracted position.

Abstract: A sewing system which includes a detector for detecting an edge of a cloth installed on an installation table, a cloth conveyor for conveying the cloth from the installation table to a sewing machine, and a controller, wherein the cloth conveyor includes a holding member that holds the cloth, and the controller includes a holding position decision portion that determines a holding position of the cloth based on detection data of the detector, and a conveyance control portion that controls the cloth conveyor such that the holding member holds the holding position. In the sewing system according to the above, it is possible to prevent deterioration in productivity of sewn products.

Abstract: An operation state ascertaining unit of a sewing machine ascertains an operation state of a sewing machine main body. A content information selection unit selects particular content information that corresponds to the operation state ascertained by the operation state ascertaining unit from among multiple content information stored in an operation-associated content information storage unit that stores multiple content information corresponding to the operation state. An instruction information appending unit appends additional information with respect to instruction content for the main body to the content information selected by the content information selection unit. A coding unit codes the selected content information to which the additional information has been appended by the instruction information appending unit. A display unit displays the content information coded by the coding unit.

Abstract: The sewing machine includes an imaging unit, a conveyor portion, a processor, and a memory. The imaging unit has an image capture range, and is configured to capture an image of a holder member. The conveyor portion is configured to convey the holder member relative to the imaging unit in a first and a second direction. The processor performs processes. The processes include causing the imaging unit to capture the image of the holder member that has entered the image capture range. The processes include acquiring first image data that is data of a first image representing the image of the holder member. The processes include identifying a predetermined marker from the first image of the acquired first image data. The processes include determining whether an inclination angle of the holder member exceeds a predetermined value on the basis of a variable acquired on the basis of the identified marker.

Abstract: Disclosed are various systems and features for use with a machine, such as a sewing machine, to facilitate augmented-reality features such as projecting assistive visual elements or virtual UI elements into an operational area. Such systems and features may be useful in the context of performing an action along a self-guided path on a substrate.

Abstract: A method for automatic calibration of a needle position relative to a coordinate system of a sewing machine includes: controlling a X-Y table to move a pallet to bring a sheet under a needle, lowering the needle to penetrate the sheet to form a needle hole and raising the needle, controlling the X-Y table to move the pallet to bring a reference mark and the test hole into an FOV of an image capturing device, obtaining an image of the pallet which contains the reference mark and the needle hole, determining an amount of separation of the needle hole from the reference mark in the image, and calibrating the needle position relative to the coordination system based on the amount of separation thus determined and a reference distance.

Abstract: The present invention relates to a method of operating a quilting or sewing machine. In the method, an operator may switch the modes in which the sewing machine is operating. The modes may be switched when the sewing machine is in operation or when the machine is stopped. The modes to which the sewing machine may be switched to and from may be pre-set modes as defined by an operator. The modes that may be switched to and from may include settings for stitch mode and stitch speed. The buttons may be physical buttons associated with the sewing machine's handles, or they may be digital buttons associated with a tablet device.

Abstract: The present disclosure provides a method, apparatus, and computer-readable medium for imaging. The method includes capturing, by a device, a plurality of images of a work piece and mapping, by the device, the plurality of images of the work piece to a digital representation of the work piece. The method further includes detecting, by the device, an outline of an existing design within the digital representation of the work piece, wherein the device comprises an image capture device operably connected to a sewing head having a reciprocating needle, the reciprocating needle defining a cycle path, the image capture device being adjacent to a portion of the cycle path.

Abstract: A sewing machine includes a needle bar, a feed mechanism, a swinging mechanism, a display device, and a control device. The control device determines whether each one of a plurality of sets of sewing data for sewing a pattern is editable, displays on the display device, editable pattern described by the sewing data that has been determined to be editable, and acquires a selection command that selects an object pattern from among the editable pattern. The control device also acquires edit command to edit the selected object pattern, edits object sewing data that are for the object pattern, in accordance with the edit command that has been acquired, and causes the sewing machine to sew the object pattern on a sewing workpiece, based on the edited object sewing data, by operating the feed mechanism that moves the sewing workpiece and the swinging mechanism that swings the needle bar.

Abstract: A monitoring system for use with a sewing machine. The monitoring system includes a camera assembly mounted to a base of the sewing machine with a camera that collects images from a bottom side of the fabric. The camera assembly delivers images of the back side of the fabric to a monitor assembly that includes a display device. The display device displays the images collected by the camera. The monitor can be mounted to an upper or arm portion of the sewing machine for convenient viewing by the operator during use of the sewing machine.

Abstract: A sewing machine includes a needle bar, a feed mechanism, a swinging mechanism, a display device, and a control device. The control device determines whether each one of a plurality of sets of sewing data for sewing a pattern is editable, displays on the display device, editable pattern described by the sewing data that has been determined to be editable, and acquires a selection command that selects an object pattern from among the editable pattern. The control device also acquires edit command to edit the selected object pattern, edits object sewing data that are for the object pattern, in accordance with the edit command that has been acquired, and causes the sewing machine to sew the object pattern on a sewing workpiece, based on the edited object sewing data, by operating the feed mechanism that moves the sewing workpiece and the swinging mechanism that swings the needle bar.

Abstract: Systems, methods, and apparatus for embroidery thread color management are disclosed. An example method comprises determining a set of thread colors needed for a set of embroidery designs including a first embroidery design and a second embroidery design, annotating the second embroidery design, the annotating comprising appending a reference to the second embroidery design in a first queue of designs to be embroidered by a first embroidery machine, and rolling back the annotation of the second embroidery design. The rolling back comprises removing the annotation, removing the reference, and removing a thread color from the set of thread colors, the thread color resulting from the second embroidery design.

Abstract: A data generating device includes a selection portion that selects a plurality of patterns from among patterns that are to be sewn based on sewing data stored in a storage portion, an acquisition portion that acquires first sewing data that are sewing data for sewing the plurality of patterns selected by the selection portion, an arrangement setting portion that sets an arrangement of the plurality of patterns selected by the selection portion, a first sewing data generating portion that generates second sewing data based on the first sewing data that are acquired by the acquisition portion, and a first storage control portion that causes the second sewing data generated by the first sewing data generating portion to be stored in the storage portion such that it can be acquired by the acquisition portion.

Abstract: A non-transitory computer-readable medium stores computer-readable instructions that, when executed by a processor of a device including an image capture portion configured to create image data, cause the processor to perform the steps of causing the image capture portion to create the image data by causing the image capture portion to capture an image of a range including at least one reference mark and at least one indicator mark, computing positioning data based on the image data, and outputting the positioning data. The at least one reference mark is provided on an embroidery frame. The at least one indicator mark is positioned in an area inside the embroidery frame, on a sewing workpiece clamped in the embroidery frame. The positioning data are data that indicate at least one of a position and an angle of the at least one indicator mark in relation to the at least one reference mark.

Abstract: A variable timing system for a sewing machine is provided comprising a shuttle hook having a hook tip, a first helical gear mounted on the shuttle hook, a lower shaft configured to rotate the shuttle hook in synchronization with a needle bar, and a second helical gear mounted on the lower shaft and capable of engaging with the first helical gear. In accordance with embodiments, at least one of the helical gears is axially movable. The variable timing system may comprise a control device configured to generate a control signal representative of a current sewing situation. A drive force mechanism may receive the control signal and in response, transmit axial movement to the axially moveable helical gear to move the gear into proper position relative to a threaded needle of the sewing machine.

Abstract: A multi-needle sewing machine includes an assigning unit that assigns thread color data to each pattern-by-color portion. The assigning unit is configured to determine, for each pattern-by-color portion, whether or not the user's designation of the pattern-by-color portion has been received. When the user's designation for the pattern-by-color portion has been received, the assigning unit is configured to assign the user's designation as thread color data for the pattern-by-color portion. When the user's designation for the pattern-by-color portion has not been received, the assigning unit is configured to randomly extract and assign a non-overlapping color as thread color data for the pattern-by-color portion from the data of a plurality of thread colors stored in the spool color storage unit. The machine is configured to execute sewing of the embroidery pattern for the pattern-by-color portion based on the thread color data assigned by the assigning unit.

Abstract: Aspects and embodiments of the present invention are directed to systems and methods for embellishing fabric. In accordance with embodiments, a stitching system for a sewing machine is provided comprising a processor configured to control the sewing machine and a user interface configured to receive a stitch selection corresponding to a set of commands executable by the processor to instruct the sewing machine to sew the stitch selection. The set of commands may comprise a first command to sew a first portion of the stitch selection, a second command to stop sewing after completion of the first portion, and a third command to sew a second portion of the stitch selection after completion of the second command. The systems and methods of the present invention may advantageously allow an operator to create a running sequence of perfectly replicated embellishments.

Abstract: The sewing machine includes a needle bar, a needle bar mechanism, a moving mechanism, a projector, a processor, and a memory. The memory is configured to store computer-readable instructions that, when executed by the processor, instruct the processor to perform processes comprising specifying, a plurality of times, a position of an ultrasonic wave transmission source on a workpiece based on ultrasonic waves, setting a first stitch pattern and a sewing position of the first stitch pattern, based on a plurality of specified positions, causing the projector to project an image that shows the first stitch pattern onto the workpiece in the sewing position, creating first stitch pattern data for sewing the first stitch pattern in the sewing position, and causing, based on the first stitch pattern data, the moving mechanism to move the workpiece and the needle bar mechanism to move the needle up and down.

Abstract: A sewing machine includes a transfer device that is adapted to move a work cloth, a sewing device that moves a needle bar up and down, an operation device that includes an operation member and that outputs an output signal in accordance with a tilting operation of the operation member, the output signal specifying a position where a unit stitch formed, a unit data generation device that generates unit data being data for forming the unit stitch, a sewing data generation device that generates sewing data in accordance with the output signal and the unit data, a transfer control device that causes the work cloth to be moved by driving the transfer device in accordance with the sewing data, and a sewing control device that causes the unit stitch to be sewn on the work cloth by driving the sewing device in accordance with the sewing data.

Abstract: 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.

Abstract: A sewing machine includes a sewing portion, a processor, and a memory. The sewing portion is configured to perform sewing on a work cloth. The memory is configured to store computer-readable instructions. The computer-readable instructions cause the processor to perform processes that include specifying an inside position that is a position inside a hole in at least one sequin that has been disposed on the work cloth in advance, creating sewing data based on the inside position that has been specified, and causing the sewing portion to sew the at least one sequin onto the work cloth, based on the sewing data that has been created. The sewing data includes at least needle drop point data and is data for sewing the at least one sequin onto the work cloth. The needle drop point data indicates a point where a sewing needle is to pierce the work cloth.

Abstract: A sewing machine includes a needle bar to a lower end of which a needle can be attached, a needle plate in which a needle hole is provided, an image capture device that generates, as captured image data, data that describe a captured image of a sewing object being positioned between the needle bar and the needle plate, a marker data generation device that generates, as marker data, data that describe a setting marker, the setting marker indicating a pattern position and a pattern angle, a composite image data generation device that generates, as composite image data, data that describe a composite image based on the captured image data and the marker data, and a display control device that, based on the composite image data, causes the composite image to be displayed on a screen.

Abstract: 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.

Abstract: An embroidery data generating apparatus that includes a pattern data acquisition device that acquires pattern data, an area identification device that identifies a base area in which a plurality of base stitches including a plurality of intersecting portions are to be formed, each of the intersecting portions being a portion at which two base stitches extending in different directions intersect, a first generating device that generates first sewing data to be used to sew the base stitches in the base area, a sewing data acquisition device that acquires second sewing data to be used to sew a pattern represented by the pattern data in an area including at least a part of the base area, and an embroidery data generating device that generates embroidery data including the first sewing data and the second sewing data.

Abstract: A sewing apparatus that includes a sewing device that performs sewing on a sewn object, a first operating device that is operative to input a command to execute an operation of the sewing device, a first detecting device that detects a preliminary operation state that is an operation state with respect to the first operating device that precedes an executing operation state, the executing operation state being an operation state for inputting the command to execute the operation of the sewing device, a notifying device that represents any one of at least two states that include a first state that corresponds to the preliminary operation state, and a control device that puts the notifying device into the first state in a case where the preliminary operation state is detected by the first detecting device.

Abstract: A sewing system that forms an embroidery pattern on the workpiece cloth by co-operating a sewing mechanism and a transfer mechanism using a count of thread colors determined by a count of thread color data found to match thread color data by a verifier. By removing a storage device attached to one of the plurality of multi-needle sewing machines and attaching the removed storage device to other one or more multi-needle sewing machines, unsewn portions of the embroidery pattern at each of the other one or more multi-needle sewing machines are sewn by reading the progress information by a data reader, verifying whether or not the thread color data contained in the progress information read by the data reader matches thread spool color data of other one or more multi-needle sewing machines and executing a sewing operation based on the verification.

Abstract: A computer-controlled quilting machine uses a hand held stylus to create the patterns which are sewn into a quilt. The machine can quilt in real time, following the movement of the stylus as a user traces any desired object or design. The machine allows a user to easily sew a desired pattern into a quilt, and also provides greater access to quilting to those persons who are unable to operate other types of quilting machines, while retaining much of the appeal of hand quilting.

Abstract: A method and apparatus for stitching a workpiece, such as a quilt, is disclosed. The method comprises displaying a predetermined pattern on a display and manipulating the predetermined pattern on the display. The display includes an indicator corresponding to a position of a sewing head relative to the workpiece. The method further includes moving a control handle operably connected to the sewing head to move the indicator relative to the pattern on the display and move the sewing head relative to the workpiece. Devices to practice the method include sewing machines having a sewing head moveable relative to a workpiece and a control handle operably connected to the sewing head to move the sewing head relative to the workpiece, wherein the display showing a pattern to be sewn is mounted relative to the control handle for movement with the control handle.

Abstract: A display control apparatus includes a display control portion that is configured to cause a display portion to display a first display area and a second display area, the display portion being configured to display an image, the first display area being displayed adjacent to the second display area, the first display area being an area that displays first information that includes information that pertains to sewing, and the second display area being an area that displays second information that includes information that pertains to sewing and that is different from the first information, and a size change portion that is configured to change a size of at least one of the first display area and the second display area that are displayed on the display portion by the display control portion.

Abstract: A method and device for controlling sewing patterns of a sewing machine allows the user to edit the patterns or pattern strings saved in the database, and to mirror the patterns, or control the respective data of sewing. The sewing pattern can be easily and freely edited, and the information of all the sewing operations is clearly displayed on the display.

Abstract: A system and method for receiving a selection of a first stitch pattern, operating a sewing machine to sew the first stitch pattern onto a material, receiving a selection of a second stitch pattern and operating the sewing machine to sew the second stitch pattern onto the material, wherein the combination of the first stitch pattern and the second stitch pattern create a stacked stitch pattern on the material.

Abstract: A sewing machine includes a bed, a needle plate, an image capture device, an auxiliary optical member, a switching device, a command acquisition device, and a control device. The needle plate is provided on the bed and includes a needle hole. The image capture device is adapted to capture an image facing downward from above the needle hole. The auxiliary optical member is adapted to transmit light to an image capture device side of the auxiliary optical member. The switching device switches the auxiliary optical member to one of being used and not being used. The command acquisition device acquires a command. In a case where the command has been acquired, the control device controls the switching device to switch the auxiliary optical member to one of being used and not being used in accordance with the command.

Abstract: A sewing machine that includes a body, an embroidery frame moving mechanism, an image capture device, a specifying device, a determining device, a setting device, a positioning device, and an acquiring device. The image capture device is provided with a function to capture a plurality of images of the sewing object under a plurality of image capture conditions, respectively. The plurality of the image capture conditions correspond to different effective image capture ranges. The specifying device specifies, as a specific range, a range on the sewing object. The determining device determines a combination of a specific image capture condition and a positioning condition. The setting device sets the specific image capture condition as an actual image capture condition. The positioning device positions the embroidery frame in accordance with the positioning condition. The acquiring device acquires image data that corresponds to a specific effective image capture range.

Abstract: A sewing machine includes a bed portion, a pillar portion that is erected upward from the bed portion, an arm portion that extends horizontally from the pillar portion above the bed portion, a head that is provided at an end of the arm portion, a needle bar that is attached to the head and can reciprocate up and down, an image pickup device that can pick up an image of an upper surface of the bed portion, an image conversion device that generates a virtual image from a real image by viewpoint conversion, the virtual image being an image as viewed from an arbitrary viewpoint position, and the real image being an image picked up by the image pickup device, an image display device that displays an image, and an image display control device that displays the virtual image generated by the image conversion device on the image display device.

Abstract: The sewing machine includes an irradiation unit that irradiates a reference mark providing a basis for locating a workpiece or a sewing pattern in sewing the workpiece placed on a sewing machine bed; a relocation unit that moves the reference mark irradiated on the bed or the workpiece; an imaging unit that captures an image of a predetermined view range including the reference mark irradiated on the bed or the workpiece; a movement identifying unit that identifies a direction of movement and an amount of movement of the reference mark being specified and moved by a user based on the image including the reference mark captured by the imaging unit; and a control unit that controls the relocation unit such that the reference mark irradiated on the bed or the workpiece is moved in correlation with the direction and the amount of movement identified by the movement identifying unit.

Abstract: A method and the device for displaying sewing processes to allow simulation of the formation of stitch patterns and embroidery patterns in sewing machines (1) and embroidery machines or in sewing simulators close to reality is provided. In the representation on the monitor (3) features, such as colors and the structure of the sewing material (2), are considered. By activating a simulation mode, the drive for the stitch formation unit can be disabled.

Abstract: An embroidery data generating device is disclosed. The embroidery data generating device generates embroidery data that is used for sewing an embroidery pattern including multiple color-wise pattern sections with a sewing machine and that includes thread color data specifying a color of each of the color-wise pattern sections. The embroidery data generating device includes a first storage device that stores multiple entries of preset color information; an extractor that randomly extracts color data used as the thread color data from each entry of the color information stored in the first storage device; and an allocator that randomly allocates the color data extracted by the extractor to each of the thread color data associated with each of the color-wise pattern sections.

Abstract: An embroidery data creation apparatus including an angle information calculation device that calculates an angle characteristic and an angle characteristic intensity for each of the pixels constituting image data, an angle information storage device that stores the angle characteristic and the angle characteristic intensity as angle information, a region specification device that specifies a change region in which the angle information is to be changed, an angle characteristic specification device that specifies a post-change angle characteristic, an angle characteristic change device that changes the respective angle characteristics of pixels included in the change region based on the post-change angle characteristic, a line segment data creation device that creates line segment data, a color data creation device that creates color data, and an embroidery data creation device that creates the embroidery data based on the line segment data and the color data.

Abstract: A data generating device includes a selection portion that selects a plurality of patterns from among patterns that are to be sewn based on sewing data stored in a storage portion, an acquisition portion that acquires first sewing data that are sewing data for sewing the plurality of patterns selected by the selection portion, an arrangement setting portion that sets an arrangement of the plurality of patterns selected by the selection portion, a first sewing data generating portion that generates second sewing data based on the first sewing data that are acquired by the acquisition portion, and a first storage control portion that causes the second sewing data generated by the first sewing data generating portion to be stored in the storage portion such that it can be acquired by the acquisition portion.

Abstract: A computer-controlled quilting machine uses a hand held stylus to create the patterns which are sewn into a quilt. The machine can quilt in real time, following the movement of the stylus as a user traces any desired object or design. The machine allows a user to easily sew a desired pattern into a quilt, and also provides greater access to quilting to those persons who are unable to operate other types of quilting machines, while retaining much of the appeal of hand quilting.

Abstract: An embroidery data creation apparatus includes a thread color relation value storage device that stores a color relation value that corresponds to a color, for each embroidery thread which is used in an embroidery data, a preview image creation device that creates a preview image, a preview display device that displays the preview image created, a reference region specification device that specifies as a color modification reference region at least one region in the preview image, a thread color selection device that selects a thread color to be used for the reference region specified, an image data color modification device that modifies the color of the image data based on the color relation value corresponding to a color of a reference image region and the color relation values corresponding to the thread color selected, and an embroidery data creation device that creates the embroidery data from color-modified image data obtained.

Abstract: A sewing machine capable of sewing a manually moved workpiece cloth in free motion includes a carrier that carries the workpiece cloth and being manually moved to move the workpiece cloth; a support element that movably supports the carrier; a movement amount detector that detects an amount of carrier movement; a specifier that specifies a stitch pitch; a comparator that produces a comparison of the amount of carrier movement with the stitch pitch; a regulator provided at the support element and that regulates carrier movement; and a controller that controls the regulator such that the amount of carrier movement does not exceed the stitch pitch based on the comparison produced by the comparator.

Abstract: A sewing machine includes a sewing controller that controls sewing machine components, an imaging element capable of capturing facial images of a sewing machine user; a settings storage that stores settings for preset modes, the settings comprising items pertaining to sewing machine functions; a user information storage that stores facial image data of the user captured by the imaging element with mapping to the settings of the mode registered with the user; a verifier that verifies whether or not image data that matches the facial image data captured by the imaging element at sewing operation start exists in the user information storage; and an instruction controller that reads the settings from the user information storage when receiving a positive verification result from the verifier, and that instructs the sewing controller to control the sewing machine components based on the settings read.

Abstract: A feeder movement compensation algorithm for use within a processor controlled sewing machine. The sewing machine configured with a reciprocating needle and thread, and including a stitch plate upon which fabric to be sewn is positioned beneath the needle and thread. The machine also includes a feeder mechanism driving a feed dog thru a movement. The feed dog movement pushes the fabric along the stitch plate and the reciprocating needle and thread form stitches in the fabric. During the stitch cycle, the feed dog movement completes at least one feeder stroke. The feeder stroke includes a portion of the feed dog extending above the stitch plate and moving along the direction of feed. The feeder stroke thus pushes the fabric along the stitch plate. The compensation algorithm calculates a theoretical feeder stroke length based upon a desired stitch.

Abstract: A computer-controlled quilting machine uses a hand held stylus to create the patterns which are sewn into a quilt. The machine can quilt in real time, following the movement of the stylus as a user traces any desired object or design. The machine allows a user to easily sew a desired pattern into a quilt, and also provides greater access to quilting to those persons who are unable to operate other types of quilting machines, while retaining much of the appeal of hand quilting.

Abstract: A sewing data processing apparatus which may be used to attach an IC tag to a work cloth without impairing a design of the work cloth. The processing apparatus may acquire an IC tag area on the basis of a size and shape of the IC tag and subsequently may determine whether the IC tag area can be included in an applique pattern area which is determined on the basis of applique pattern data. If the IC tag area can be included in the applique pattern area, positions of the applique pattern area and the IC tag area may be set in such a manner that the IC tag area is positioned in the applique pattern area.

Abstract: A sewing machine includes a sewing machine motor that vertically drives a sewing needle via a main shaft; a sewing speed commander that produces a command sewing speed determined by rotational speed of the sewing machine motor; a stitch-pitch specifier that specifies a stitch pitch to be applied to manually fed sewing operation; a consumed thread amount detector that detects a consumed needle-thread amount in each ongoing sewing cycle; a sewing speed controller that controls sewing speed at the command sewing speed when the command sewing speed is equal to or less than a predetermined reference sewing speed, and that controls sewing speed at a target sewing speed calculated based on the consumed needle-thread amount and the stitch pitch when the command sewing speed is greater than the reference sewing speed.

Abstract: An embroidery data processing apparatus which may be used to attach an IC tag to a work cloth without impairing a design of the work cloth. The embroidery data processing apparatus may determine an IC tag area based on a size and shape of the IC tag, and may determine whether the IC tag area can be included in an embroidery area that is determined on the basis of embroidery data. If the IC tag area can be included in the embroidery area, the positions of the embroidery area and the IC tag area may be set in an embroiderable area of a sewing machine in such a manner that the IC tag area is positioned in the embroidery area.

Abstract: A sewing machine (1) having selection device for selecting one or more adjustable parameters to be respectively selected and a common adjustment device for adjusting the values of each of these parameters. The adjustable parameter values are displayed by a display, with the display being arranged behind an opaque cover and being invisible in the switched-off state.

Abstract: A sewing machine including an input unit that inputs a thread cut instruction; a thread cutting mechanism that cuts a needle thread and a bobbin thread based on the thread cut instruction; a feed dog vertically moving mechanism that vertically drives a feed dog for feeding a workpiece cloth; a feed dog activating switch unit that switches the feed dog between an active state in which the feed dog is vertically driven by the feed dog vertically moving mechanism and an inactive state in which an upper surface of the feed dog is positioned in a lowered position below an upper surface of a needle plate provided in a sewing machine bed; and a control unit that drives the thread cutting mechanism based on the thread cut instruction inputted from the input unit and that controls the feed dog activating switch unit to switch the feed dog to the inactive state in which the feed dog is positioned in the lowered position.