JP3009002B2 - Data processing equipment for embroidery sewing machines - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data processing apparatus for an embroidery sewing machine, and more particularly to a data processing apparatus for embroidery sewing in which the needle drop pattern at the start end or end end of the embroidery area in the embroidery direction can be arbitrarily changed. Regarding what was done.

[0002]

2. Description of the Related Art Conventionally, the applicant of the present application has disclosed in Japanese Patent Publication No. Sho 60-42740, for example, that a plurality of embroidery areas such as characters and figures can be stored in such a manner that embroidery data for an embroidery pattern can be stored with a minimum storage capacity. The embroidery area data including the block data indicating a plurality of contour line elements for dividing the blocks into blocks and defining the contours of the blocks, and thread density data defining the number of stitches formed in the block by the embroidery thread is obtained. The position data of the needle drop point for each block is obtained based on the block data and the thread density data. Using the plurality of needle drop position data, the embroidery area is formed with a stitch pattern based on the block data. An embroidery pattern storage / reproduction device designed to perform embroidery stitching has been proposed.

Recently, the applicant of the present application has disclosed in Japanese Patent Application Laid-Open No. 3-128085, for example, that an embroidery area such as a character or a figure is defined by an outline (outline), and a closed area data representing this outline is defined. (Outline data), the entire closed area is divided into a plurality of small partial closed areas based on the closed area data, and block data is obtained for each of the plurality of partial closed areas. A data processing apparatus which can automatically and consistently perform a process of obtaining stitch data for defining a needle drop point based on the block data and the thread density data.

[0004]

By the way, when embroidering an embroidery area such as a character or a figure, embroidery is performed on the embroidery start or end end of an embroidery area having a complicated shape such as a character. Stitch seam pattern (needle drop pattern)
It is generally desired that the stitches be well-balanced stitches for the entire embroidery area. However, the embroidery pattern storage / reproduction device proposed by the present applicant (Japanese Patent Publication No.
No. 0), when creating block data for embroidery sewing, especially when the operator is an unskilled operator, considering the stitch balance of the entire embroidery area, the embroidery start end and end end. When setting the seam pattern, the block work is repeated while correcting the block shape at the embroidery start end and end end so that the seam balance is improved, which complicates the block work And there is a problem that it becomes troublesome.

On the other hand, in a data processing apparatus proposed by the applicant of the present invention (Japanese Patent Laid-Open No. 3-128085), stitches for embroidery stitches to be applied to an embroidery area can be obtained simply by inputting closed area data representing an embroidery area. Although the data can be obtained automatically, this stitch data is created based on a predetermined rule having general versatility, and therefore, particularly at the embroidery start end and end end of an embroidery area of a complicated shape such as a character. There is a problem that the stitch pattern is often not stitch data having consistency in consideration of the balance of the entire embroidery area.

An object of the present invention is to arbitrarily and easily change a stitch pattern at an embroidery start end or end end of an embroidery area, and to greatly improve the balance of embroidery stitches applied to the embroidery area. An object of the present invention is to provide a data processing device for such an embroidery sewing machine.

[0007]

According to a first aspect of the present invention, there is provided a data processing apparatus for an embroidery sewing machine, as shown in a functional block diagram of FIG. Based on the line data, the embroidery area is automatically divided into a plurality of blocks to create block data defining these blocks, and the embroidery sewing is performed based on the block data and the thread density data specifying the thread density. In a data processing device for an embroidery sewing machine for creating stitch data defining a plurality of needle drop points, the block data of a plurality of blocks and stitch data are received, and the outer shape of a plurality of blocks of all or a part of an embroidery area is received. Display means for displaying a line and an embroidery stitch on a display; and opening of an embroidery sewing direction among a plurality of outline elements forming the outline displayed on the display. Against the outline element end or ends end,
Specifying means for changing the needle drop pattern of the embroidery sewing and the needle drop pattern; and when the change of the needle drop pattern is specified by the specifying means, the embroidery area is specified based on the specified needle drop pattern. And data changing means for calculating the block data and the stitch data of the part and replacing the calculated data with the calculated data.

According to a second aspect of the present invention, there is provided a data processing apparatus for an embroidery sewing machine, as shown in a functional block diagram of FIG. 1, in which block data and thread density of a plurality of blocks constituting an embroidery area where embroidery sewing is performed by the embroidery sewing machine. In a data processing device for an embroidery sewing machine that creates stitch data that defines a plurality of needle entry points for embroidery stitching based on thread density data that specifies the block data of a plurality of blocks,
Outlines of a plurality of blocks of all or part of the embroidery area,
Display means for displaying, on a display, a block defining point on an outline defining a block, and an outline at a start end or an end in an embroidery sewing direction among a plurality of outlines forming the outline displayed on the display The designation means for specifying the change of the needle drop pattern and the needle drop pattern of the embroidery sewing for the element, and when the change of the needle drop pattern is designated by the designating means, based on the designated needle drop pattern. And a data changing means for calculating block data of the embroidery area and replacing the calculated data with the obtained data.

According to a third aspect of the present invention, there is provided a data processing apparatus for an embroidery sewing machine, as shown in a functional block diagram of FIG. Is a data processing device for an embroidery sewing machine that creates stitch data that defines a plurality of needle entry points of embroidery stitches based on thread density data that specifies the outline data and stitch data. Display means for displaying all or a part of the outline of the embroidery area and the embroidery stitch on the display; and a start end in the embroidery sewing direction of a plurality of outline elements forming the outline displayed on the display or Specifying a needle drop pattern for embroidery sewing and a needle drop pattern with respect to the outline element at the end end, and specifying when the change of the needle drop pattern is specified by the specifying means. Was based on the stitch pattern, in which a data changing means for replacing calculates the stitch data for a needle drop point of the embroidery area part the determined data.

[0010]

In the data processing apparatus for an embroidery sewing machine according to the first aspect, all or part of an embroidery area based on block data defining each of a plurality of blocks divided based on outline data of the embroidery area. The outlines of the plurality of blocks and the embroidery stitches based on the stitch data defining the plurality of needle drop points obtained based on the block data and the thread density data are displayed on the display by the display means. On the other hand, for the outline element at the start end or the end end in the embroidery sewing direction among the outline elements forming the outline displayed on the display, the needle drop pattern of the embroidery sewing is changed and the needle drop pattern is changed. Is specified by the specifying means. As a result, when the change of the needle drop pattern is specified by the specifying means, the data changing means calculates the block data and the stitch data of the embroidery area based on the specified needle drop pattern. Will be replaced with the data

As described above, the change of the needle drop pattern and the needle drop pattern of the embroidery sewing are arbitrarily designated with respect to the outline element at the start end or the end end in the embroidery sewing direction via the specifying means. Since the block data and stitch data of the embroidery area are changed, the stitch patterns at the embroidery start end and end end of an embroidery area having a complicated shape such as a character are well-balanced with respect to the entire embroidery area. Stitch data can be easily created.

According to a second aspect of the present invention, there is provided a data processing apparatus for an embroidery sewing machine, wherein the outlines of a plurality of blocks of all or a part of the embroidery area based on the block data of the plurality of blocks constituting the embroidery area are provided. The block defining point on the outline that defines the data is displayed on the display by the display means. On the other hand, for the outline element at the start end or the end end in the embroidery sewing direction among the outline elements forming the outline displayed on the display, the needle drop pattern of the embroidery sewing is changed and the needle drop pattern is changed. Is specified by the specifying means. As a result, when the change of the needle drop pattern is specified by the specifying means, the block data of the embroidery area is calculated by the data changing means based on the specified needle drop pattern, and is replaced with the obtained data. Can be

As described above, the change of the needle drop pattern and the needle drop pattern of the embroidery sewing can be arbitrarily specified with respect to the outline element at the start end or the end end in the embroidery sewing direction via the specifying means. Since the block data of the embroidery area is changed, it is not necessary to correct the block shape, and the creation of the block data can be simplified. Moreover,
It is possible to easily create stitch data such that a stitch pattern at an embroidery start end or end end of an embroidery area having a complicated shape such as a character is well-balanced with the entire embroidery area.

According to a third aspect of the present invention, there is provided a data processing apparatus for an embroidery sewing machine, wherein all or a part of the outline of the embroidery area based on the outline data representing the outline of the embroidery area, the outline data and the thread density. The embroidery stitches based on the stitch data defining a plurality of needle entry points of the embroidery stitch created from the data are displayed on the display by the display means.
Hereinafter, the operation is performed in substantially the same manner as in claim 1, wherein the change of the needle drop pattern of the embroidery sewing and the needle drop pattern are designated by the designating means, the calculation of the stitch data of the needle drop point of the embroidery area and the data obtained therefrom. Is performed by the data changing means.

As described above, only the change of the needle drop pattern and the needle drop pattern of the embroidery sewing are arbitrarily specified for the outline element at the start end or the end end in the embroidery sewing direction via the specifying means. Since the stitch data of the embroidery area is changed, the stitch pattern at the embroidery start end and end end of the embroidery area having a complicated shape such as a character is well-balanced with the entire embroidery area. Data can be easily created.

[0016]

According to the data processing apparatus for an embroidery sewing machine according to the first aspect, as described in the paragraph of [Operation], the display means, the designation means, and the data change means are provided, and the data is transmitted through the designation means. By simply changing the needle drop pattern of the embroidery sewing and specifying the needle drop pattern arbitrarily, the block data and stitch data of the embroidery area are changed, so that embroidery of an embroidery area of a complicated shape such as a character can be performed. It is possible to easily create stitch data such that the stitch pattern at the start end and the end end matches well with the entire embroidery area.

According to the data processing apparatus for an embroidery sewing machine according to the second aspect, as described in the section "Operation", the display means, the designation means, and the data change means are provided, and the embroidery is performed via the designation means. By simply changing the sewing needle drop pattern and specifying the needle drop pattern arbitrarily, the block data in this embroidery area is changed, eliminating the need to correct the block shape and greatly simplifying the block forming operation. Can be In addition, stitch data can be easily created such that the stitch patterns at the embroidery start end and end end of an embroidery area having a complicated shape such as a character are well-balanced with the entire embroidery area.

According to the data processing apparatus for an embroidery sewing machine according to the third aspect, the display means, the designation means, and the data change means are provided as described in the paragraph of [Operation], and the data is transmitted through the designation means. By simply changing the needle drop pattern and the needle drop pattern of the embroidery stitch, the stitch data of the embroidery area is changed. It is possible to easily create stitch data such that the stitch pattern at the end end matches the entire embroidery area with good balance.

[0019]

Embodiments of the present invention will be described below with reference to the drawings. In the present embodiment, stitch data (needle drop position data) for applying embroidery stitches with an embroidery sewing machine is created from closed area data (outline data) representing an outline (outline) of an embroidery area to be embroidered. This is a case in which the present invention is applied to a data processing device that performs the processing. As shown in FIG. 2, the data processing device 1 basically includes a CRT display 10 for displaying characters and images, a keyboard 11,
An external storage device 12 such as a hard disk device,
It comprises a coordinate input device (mouse) 13 for inputting coordinates of a specified point that defines an embroidery area, and a control box 14 to which these are connected. The control box 14 contains a control device C and a floppy disk drive device 16 (see FIG. 3) which will be described later.

Next, the control system of the data processing apparatus 1 is shown in FIG.
Is configured as shown in the block diagram of FIG. Control device C
The input / output interface 20 has a keyboard 11
, An external storage device 12, a coordinate input device 13, a display drive circuit 15 for the CRT display device 10, and a floppy disk controller (FDC) 17 for a floppy disk drive (FDD) 16. ing.

The keyboard 11 is used for inputting an embroidery pattern to be applied to a work cloth, a stitch density, and the like. Input and editing of keys and data for designating embroidery patterns such as alphabets, numbers, and symbols are performed. Are provided with various function keys necessary for the operation. The external storage device 12 also stores closed area data (outline data) representing a closed area related to the outline of an embroidery area of an embroidery pattern such as a character or a figure.
Is stored in association with the embroidery pattern number.

Here, the closed area data includes thread density data and coordinate data representing the coordinates of each of a plurality of vertices defining the outline of the closed area (XY coordinates when embroidery sewing is performed by an embroidery sewing machine). I have. For example, as shown in FIG. 4, the closed area data relating to the outline of a certain embroidery area 30 includes, in addition to the thread density data, the end 3 of the embroidery area.
0a, defining points P31, P32, P33, P3
4, including P35 and P36, coordinate data of many specified points from the start point to the end point of the outline are sequentially stored based on a predetermined arrangement order.

The control device C comprises a CPU 21, an input / output interface 20 connected to the CPU 21 via a bus 24 such as a data bus, a ROM 22 and a RAM 23. The ROM 22 stores a control program for stitch data development / correction processing control specific to the present invention, which will be described later. The RAM 23 includes a closed area memory for storing closed area data read from the external storage device 12, a thread color memory, a thread density memory, a working memory,
Various memories for temporarily storing the calculation results calculated by the CPU 21 and memories such as counters and pointers are provided. The stitch data development / correction control program includes a plurality of partial closed area data created by blocking into a plurality of partial closed areas based on the closed area data to generate a plurality of partial closed area data. A control program for data processing control for generating position data indicating a large number of needle drop positions, that is, stitch data from each block data, is included.

Next, a description will be given of a stitch data development / correction control routine performed by the data processing apparatus 1 with reference to flowcharts shown in FIGS. In the figure, reference numerals Si (i = 30, 31, 32,...) Indicate each step. When the power is turned on to the data processing apparatus 1, this control is started, and an initial screen including a plurality of main items is displayed on the display 10 (S30). For example, as shown in FIG. 8, “File” for selecting an embroidery pattern, “Edit” for performing an editing operation, “Create embroidery” for creating an embroidery pattern,
A plurality of main items such as "end" instructing the end of the process are displayed. Next, a selection process for selecting a desired embroidery pattern to be embroidered by operating a function key on the keyboard 11 corresponding to the main item "file" is executed (S31), and the stitch data is obtained from the closed area data of the embroidery pattern. (See FIG. 6) is executed (S32).

When this processing control is started, first, the closed area data of the selected embroidery pattern is read out from the external storage device 12 (S50), and based on the closed area data, the divided processing into a plurality of partial closed areas is performed. (S51), each of the plurality of partial closed regions is developed into block data (S52), and an arithmetic process for creating stitch data defining a needle drop position is executed for each of the plurality of block data (S53). ), End this control and return.

Next, based on the block data and the stitch data, the outlines of the plurality of blocks and the embroidery stitches are displayed on the display 10 (S33). For example, as shown in FIG. 9, the embroidery area end 30a (only the embroidery area end 30a is shown in order to explain the present embodiment in detail) has four additional auxiliary specified points J1 to J4. When divided into quadrangular blocks B30 to B33, for each of these four blocks B30 to B33, on the first main side connecting end point 1 and end point 3 and on the second main side connecting end point 2 and end point 4 A plurality of needle drop points are respectively obtained on the side, and a so-called reverse N-shaped embroidery stitch in which these needle drop points are sequentially connected and their outlines are displayed on the display 10 as shown in FIG. Here, for example, in the block B33, the end point 1 is the point P3
2, the end point 2 corresponds to P33, the end point 3 corresponds to the auxiliary specified point J4, and the end point 4 corresponds to P34.

Next, when the function key on the keyboard 11 corresponding to the main item "edit" is operated to correct the stitch pattern at the end of the embroidery area (S
34. S35: Yes), an editing menu related to the editing work is displayed on the display 10 (S36). For example, FIG.
As shown in FIG. 1, an edit menu including item number 1 “copy”, item number 2 “move”, item number 3 “end stitch pattern correction” and item number 4 “delete” is displayed.

Next, when the end stitch pattern correction of the item number "3" is selected using the coordinate input device 13 (S37 / S38: Yes), the end stitch pattern correction processing (see FIG. 7) is executed. (S39), and returns to S30.
When a function key on the keyboard 11 corresponding to an item other than the main item "edit" is operated (S34: Yes, S35: No), a process corresponding to the operated function key is executed (S40). .
When an item number other than the item number "3" is selected (S37: Yes, S38: No), processing corresponding to the selected edit item is executed (S41).

When this control is started, first, based on the closed area data and the block data, it is determined whether or not the outline of the outline of the block at the end end in the embroidery sewing direction is to be needle-dropped. All changeable outline elements are displayed as bold lines (S70). For example, as shown in FIG. 12, two outline elements 31 and 32 related to the embroidery area end 30a are displayed as thick lines. Next, a selection process is performed using the coordinate input device 13 to select a contour element to be changed in order to change the presence / absence of needle drop (S71), and each of the selected contour elements can be identified. Mark is displayed (S72).
For example, as shown in FIG. 13, a mark “□” is displayed on the outline element 31, and a mark “上” is displayed on the outline element 32.

Next, a change menu for changing the stitch pattern at the end of the embroidery area is displayed (S73). For example, as shown in FIG. 14, three types of change items “1” to “3” that can be changed at the embroidery area end 30a are displayed. Next, when the change item “1” is selected (S74 / S75: Yes), the block shape at the end of the embroidery area is changed so that the needle drop pattern of the change item “1” is obtained, and A new needle drop point is calculated for each block based on the block data representing the block, stitch data defining these needle drop points is corrected, and a stitch based on the corrected stitch data is displayed on the display. 10 (S76), the corrected block data and stitch data are replaced and stored in the working memory (S77), and this control is terminated.
It returns to S30.

For example, as shown in FIG. 15, when the change item "1" is selected for the embroidery area end 30a, the needle is dropped to the outline element 31 and the needle is not dropped to the outline element 32. Segment P31-P32 Length: Line segment P32-
A new auxiliary specified point J5 is obtained on the line segment P34-P35 so that P33 length = line segment J3-J5 length: line segment J5-P34 length, and a new auxiliary specified point J5 is obtained based on the auxiliary specified point J5. Blocks B34 and B35 are obtained. As a result, when obtaining the needle drop point based on the blocks B34 and B35,
A new needle drop point is determined for the outline element 32 in consideration of the condition that needle drop does not occur. Then, the stitch data that defines these needle drop points is corrected, and FIG.
The embroidery stitches based on the corrected stitch data are displayed on the display 10 as shown in FIG. 7, and the corrected block data and stitch data are stored in the working memory after replacement.

When the change item "2" is selected (S74: Yes, S75: No, S78: Ye)
s), so that the needle drop pattern of the change item "2"
While changing the block shape at the end of the embroidery area, a new needle drop point is calculated for each block based on the block data representing the changed block, and the stitch data defining these needle drop points is corrected. At the same time, a stitch based on the corrected stitch data is displayed on the display 10 (S79), and the corrected block data and stitch data are replaced and stored in the working memory (S77).

For example, as described with reference to FIGS. 9 and 10, when the change item "2" is selected for the embroidery area end portion 30a, the needle does not drop to the outline element 31 and the outline element 32 Needle drop, new block B32 ・ B
33 is obtained, and a new needle drop point is obtained for the outline element 31 in consideration of the condition that needle drop does not occur. And
The stitch data defining these needle drop points is corrected, embroidery stitches based on the corrected stitch data are displayed on the display 10, and the corrected block data and stitch data are replaced and stored in the working memory. Is done.

When the change item "3" is selected (S74: Yes, S75 / S78: No), the block shape at the end of the embroidery area is changed so that the needle drop pattern of the change item "3" is obtained. On the other hand, a new needle drop point is calculated for each block based on the block data representing the block after the change, and the stitch data defining these needle drop points is corrected, and the corrected stitch data is added to the corrected stitch data. The embroidery stitch based on the embroidery stitch is displayed on the display 10 (S
80), the corrected block data and stitch data are replaced and stored in the working memory (S7).
7).

For example, as shown in FIG. 17, when the change item "3" is selected for the end portion 30a of the embroidery area, the needle drops to the outline element 31 and the outline element 32.
A new auxiliary specified point J6 is placed on the line segment P33-P34 such that the length of the line segment J1-P32: the length of the line segment P32-P33 = the length of the line segment P34-J6: the length of the line segment J6-P33. A new block B3 is calculated based on the auxiliary specified point J6.
6. B37 is required. As a result, block B36
When the needle drop point is obtained based on B37, both outline elements 31
A new needle drop point is determined by taking into account the condition of needle drop at 32. Then, the stitch data defining these needle drop points is corrected, and embroidery stitches based on the corrected stitch data are displayed on the display 10 as shown in FIG. 18, and the corrected block data and stitch data are displayed. Are replaced and stored in the working memory.

As described above, while designating an outline element, by simply designating a desired change item from among a plurality of change items displayed on the display 10, it is possible to change the needle drop pattern of embroidery sewing. Needle drop pattern can be specified arbitrarily,
Since the block data and stitch data of the embroidery area end 30a are changed, the stitch patterns at the embroidery start end and end end of the embroidery area having a complicated shape such as characters are well-balanced with the entire embroidery area. Stitch data can be easily created.

In the end stitch pattern correction processing control, the change items "1" to "3" are cyclically displayed one by one, and the embroidery stitches corresponding to the contents of the change items being displayed are calculated. It is also possible to display. still,
For each of the plurality of outline elements displayed in bold lines, the outline element whose needle drop is to be changed and the presence or absence of needle drop may be designated. It is also possible to store a control program for controlling stitch data development / correction processing in the external storage device 12. Incidentally, the data processing apparatus of the present invention can be incorporated in various sewing machines capable of embroidery sewing.

[0038]

Second Embodiment When embroidery area data relating to a plurality of types of embroidery patterns such as characters and figures are stored in the external storage device 12 in association with pattern numbers, block data is stored as follows. It is also possible to configure to correct. That is, as shown in FIG. 19, for example, embroidery area data including thread density data and a plurality of block data in which the embroidery area end 30a is composed of four blocks B30 to B33 are stored in the external storage device 12. Shall be. Here, the block data of the block B1 includes the coordinates of the end point 1 (P32), the coordinates of the end point 2 (P33), the coordinates of the end point 3 (J4), and the coordinates of the end point 4 (P34). Hereinafter, blocks B30 to B32
The same applies to. In this case, the needle does not fall on the outline element 31.

Next, the routine of the block data correction processing control will be described with reference to the flowcharts of FIGS. 20 and 21. When the power is turned on to the data processing apparatus 1 as in the above embodiment, this control is started. An initial screen including a plurality of main items is displayed on the display 10 (S9).
0), keyboard 1 corresponding to main item "File"
A selection process is performed to select a desired embroidery pattern to be embroidered by operating the function key on 1 (S91).
The embroidery area data of the embroidery pattern is read from the external storage device 12, and based on the embroidery area data, outlines of a plurality of blocks and block defining points on the outlines defining the blocks are displayed on the display unit 10. (S92). For example, as shown in FIG. 22, for the four blocks B30 to B33 of the embroidery area end 30a, a plurality of outlines and block specified points are displayed on the display 10.

Next, when the function key on the keyboard 11 corresponding to the main item "edit" is operated to correct the stitch pattern at the end of the embroidery area (S
93. S94: Yes), an edit menu related to the edit work is displayed on the display 10 (S95). Next, when the end stitch pattern correction of the item number “3” is selected using the coordinate input device 13 (S96 / S97: Ye)
s) The end stitch pattern correction processing (see FIG. 21) is executed (S98). When this processing control is started, first, in order to change the needle drop pattern, the contour element at the end end in the embroidery sewing direction among the plurality of contour elements forming the contour line is designated, and the contour line is designated. A designation process for designating the presence or absence of needle drop in the element is executed (S110).

Next, based on the embroidery area data, the data of these outline line elements, and the needle drop designation data, a needle drop is made on or off the outline line element specified by the needle drop designation data. The new block data is arithmetically processed (S111), and a new block and a block reference point are displayed based on the new block data (S11).
2) The corrected block data is replaced and stored in the working memory (S113), the control is terminated, and the routine returns.

For example, in FIG. 22, if it is specified that the outline element 31 is to be needle-dropped and the outline element 32 is not to be needle-dropped, the embroidery area end 30a is divided into four blocks as shown in FIG. B30, B31, B34,
B35 is newly created, and as shown in FIG. 23, a new block B30,
The outlines of B31, B34, and B35 and the block definition points are displayed. In addition, for example, in FIG. 22, when it is specified that both outline elements 31 and 32 are to be needle-dropped, the five blocks B30, B31, B32, B36, and B36 as shown in FIG. B37 is newly created, and as shown in FIG. 24, new blocks B30, B31, B
32, B36, B37 and the block specified point are displayed.

As described above, the needle drop pattern of the embroidery stitch can be obtained simply by designating a desired one of the outline elements of the plurality of blocks displayed on the display 10 and specifying whether or not there is a needle drop. And the needle drop pattern can be arbitrarily specified, and the block data at the end 30a of the embroidery area is changed. Therefore, the work of correcting the block shape can be omitted, and the creation of the block data can be simplified. In addition, stitch data can be easily created such that the stitch patterns at the embroidery start end and end end of an embroidery area having a complicated shape such as a character are well-balanced with the entire embroidery area.

It is also possible to store the control program for the block data correction processing control in the external storage device 12. Incidentally, the data processing apparatus of the present invention can be incorporated in various sewing machines capable of embroidery sewing.

[0045]

Third Embodiment Similar to the above embodiment, closed area data representing a closed area relating to the outline of an embroidery area of an embroidery pattern such as a character or a figure is stored in the external storage device 12 in association with the embroidery pattern number. In such a case, the stitch drop pattern at the end of the embroidery area of the stitch data directly obtained by calculation based on the closed area data may be modified. That is, for example, as shown in FIG. 25, the embroidery stitches and the outline of the embroidery area relating to the stitch data directly obtained based on the closed area data of the selected embroidery pattern are displayed on the display 10. Here, the embroidery area has an embroidery area start end 30 in the embroidery sewing direction.
b and the embroidery area end end 30c, and a case where the embroidery stitch pattern at the embroidery area start end 30b is corrected will be described. The symbols Pa, Pb, Pc...
.. Pk is a defined point that defines the embroidery area.

The embroidery area start end portion 30b is an outline element at the start end in the embroidery sewing direction among a plurality of outline elements forming the outline, and it is possible to change whether or not a needle falls. Two outline elements 41 and 42 are included, and two outline elements 43 and 44 are also included in the embroidery area end end portion 30c which can change whether or not the needle drops. Therefore, by using the coordinate input device 13 and a predetermined function key on the keyboard 11, there is no needle drop for the outline element 41. The needle drops for the outline element 42. No needle drop ・ Specify the needle drop for the outline element 44. As a result, first, excluding the outline elements 41 and 43 which are designated so as not to drop the needle, the length L1 of one of the line segments which drop the needle is the length of the line segment PaPb + the line segment PbP.
c length + line segment PcPd length + line segment PdPe length + line segment P
The length L2 of the other line segment, which is obtained from the ePf length, and further drops the needle, is obtained from the line segment PgPh length + line segment PhPi length + line segment PiPj length + line segment PjPk length.

Next, the average line segment length Lx (mm) of these two line segment lengths L1 and L2 is calculated, and based on the average line segment length Lx and the thread density data d (number of stitches / mm). The number of stitches H of the embroidery stitches to be applied to the embroidery area is calculated from the thread density data d × the average line segment length Lx, and the needle drop points obtained by dividing the line segment length L1 by the number of stitches H are calculated. Each line segment PaPb, Pb
Needle drop points are obtained on Pc, PcPd, PdPe, and PePf, respectively, and the needle drop points obtained by dividing the line segment length L2 by the number of stitches H are obtained for each line segment PgPh, PhPi, PiPj, Pj.
Each is required on Pk. Then, as shown in FIG. 26, for the embroidery area start end portion 30b, the corrected stitches sequentially connecting the obtained needle drop points are displayed on the display 10 according to the condition that the needle drop does not occur with respect to the outline element 41. Will be displayed. At the same time, the corrected stitch data is replaced and stored in the working memory.

In this case, similarly to the above-described embodiment, changing the needle drop pattern of the embroidery sewing by simply designating the outline element at the start end or the end end in the embroidery sewing direction and specifying the presence or absence of the needle drop. And the needle drop pattern can be arbitrarily specified, and the stitch data of the embroidery area ends 30b and 30c is changed. Therefore, the stitch patterns at the embroidery start end and end end of the embroidery area having a complicated shape such as a character can be obtained. It is possible to easily create stitch data that matches well with the entire embroidery area.

[Brief description of the drawings]

FIG. 1 is a functional block diagram showing a configuration according to claims 1 and 2;

FIG. 2 is a schematic perspective view of a data processing device.

FIG. 3 is a block diagram of a control system of the data processing device.

FIG. 4 is an explanatory diagram illustrating closed area data representing an outline of an embroidery area.

FIG. 5 is a schematic flowchart of a routine for controlling stitch data development / correction processing.

FIG. 6 is a schematic flowchart of a routine for controlling stitch data calculation processing.

FIG. 7 is a schematic flowchart of a routine for controlling an end stitch pattern correction process;

FIG. 8 is an exemplary diagram showing a display example of an initial screen displayed on a display device.

FIG. 9 is an explanatory diagram illustrating a divided block shape at an end of an embroidery area.

FIG. 10 is an exemplary view showing outlines of a plurality of blocks and embroidery stitches at an end of an embroidery area.

FIG. 11 is an exemplary diagram showing a display example of an edit menu.

FIG. 12 is a view showing an example in which outline line elements whose needle drop designation can be changed are indicated by thick lines.

FIG. 13 is a view showing an example in which a mark is displayed on an outline element whose needle drop designation can be changed.

FIG. 14 is an exemplary view showing a change menu for changing a needle drop pattern.

FIG. 15 is an exemplary diagram showing an outline of a corrected block and an embroidery stitch at an end of an embroidery area.

FIG. 16 is an exemplary view showing an outline of a corrected block and an embroidery stitch at an end of an embroidery area.

FIG. 17 is an exemplary view showing an outline of a corrected block and an embroidery stitch at an end of an embroidery area;

FIG. 18 is an exemplary view showing an outline of a corrected block and an embroidery stitch at an end of an embroidery area.

FIG. 19 is an explanatory diagram illustrating embroidery area data representing a divided block of the embroidery area according to the second embodiment.

FIG. 20 is a schematic flowchart of a routine of block data correction processing control.

FIG. 21 is a schematic flowchart of a routine of end stitch pattern correction processing control.

FIG. 22 is an exemplary diagram showing an outline of a block and a block defining point at an end of an embroidery area.

FIG. 23 is an exemplary view showing the outline of the corrected block and the block specified point at the end of the embroidery area.

FIG. 24 is an illustration showing an outline of a corrected block and a block specified point at the end of an embroidery area.

FIG. 25 is a diagram corresponding to FIG. 10 according to the third embodiment.

FIG. 26 is an illustration showing a needle drop pattern corrected according to the third embodiment.

[Explanation of symbols]

 Reference Signs List 1 data processing device 10 CRT display 11 keyboard 12 external storage device 13 coordinate input device 21 CPU 22 ROM 23 RAM 30a embroidery area end 30b embroidery area end 30c embroidery area end C controller

Claims (3)

(57) [Claims] 1. An embroidery area is automatically divided into a plurality of blocks based on outline data representing an outline of an embroidery area to be subjected to embroidery sewing by an embroidery sewing machine, and block data for defining these blocks is created. A data processing device for an embroidery sewing machine that creates stitch data defining a plurality of needle entry points of embroidery stitches based on the block data and the thread density data designating the thread density; Display means for displaying, on a display, outlines of a plurality of blocks of all or a part of an embroidery area, and a plurality of display units for forming the outlines displayed on the display. Change the needle entry pattern and specify the needle entry pattern for embroidery sewing for the outline element at the start or end end of the embroidery sewing direction among the outline elements When the change of the needle drop pattern is specified by the specifying means, based on the specified needle drop pattern, block data and stitch data of the embroidery area are calculated and calculated. A data processing device for an embroidery sewing machine, comprising: data changing means for replacing data. 2. Stitch data for defining a plurality of needle drop points of embroidery sewing based on block data of a plurality of blocks constituting an embroidery area to be subjected to embroidery sewing by an embroidery sewing machine and thread density data specifying thread density. In the data processing device for an embroidery sewing machine to be created, receiving the block data of the plurality of blocks, an outline of a plurality of blocks of all or a part of the embroidery area, and a block defining point on the outline defining the block. Display means for displaying on a display, a needle drop of embroidery stitching for a contour element at a start end or an end end in an embroidery sewing direction among a plurality of contour elements forming the contour line displayed on the display. A designation means for designating a change of the pattern and a needle drop pattern; and a designated needle drop when the change of the needle drop pattern is designated by the designation means. A data changing means for calculating block data of the embroidery area based on the pattern and replacing the calculated block data with the obtained data; and a data processing device for an embroidery sewing machine. 3. Stitch data for defining a plurality of needle drop points of embroidery sewing based on outline data representing an outline of an embroidery area to be subjected to embroidery sewing by an embroidery sewing machine and thread density data specifying thread density. A data processing device for an embroidery sewing machine, wherein the display means receives the outline data and stitch data and displays all or a part of the outline of the embroidery area and an embroidery stitch on a display. And changing the needle drop pattern and the needle drop pattern of the embroidery sewing with respect to the outermost line element at the start or end end in the embroidery sewing direction among the plurality of outermost line elements forming the outline displayed on the display. A stitch data of a needle drop point of the embroidery area portion based on the specified needle drop pattern when a change of the needle drop pattern is specified by the specifying means. A data processing device for an embroidery sewing machine, comprising: data changing means for calculating data and replacing the calculated data with the obtained data.