JPS62222863A - Handy printer - Google Patents

Abstract

PURPOSE:To simply and beautifully write italic type, a turn-over character or a contracted character, by providing a printing head rotatable around the axis in the direction vertical to the surface of paper. CONSTITUTION:A printing head 1 is inserted into the cylindrical hole of a main body 2 so as to be rotatable in such a state that a nozzle is protruded downwardly and usually fixed by the fixing spring 4 engaged with a notch part 3. When the main body 2 is moved to the direction shown by an arrow A, an encoder 6 is rotated through wheels 5 to output a printing timing signal to an external controller and a printing signal is sent to a printing head 1 from the external controller to perform printing. At a time (a) when the printing head is present at a fundamental position, usual printing is performed but, when the printing head 1 is moved to the direction opposite to the arrow A, a turn-over character wherein the left side and the right side are in reverse relation mutually is printed. At a time (b) when the printing head is rotated by an angle theta, a dot pitch is shifted by cos theta times to a vertical direction and shifted by sin theta times to the lateral direction but, if the shift quantity in the lateral direction is corrected by changing printing timing, a character contracted by cos theta times to the vertical direction can be printed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the structure of a manual seven-dot trix printer with a built-in print head.

[Conventional technology] Handy printers have the advantage of being able to print on thick paper, large paper, small paper, and even objects other than paper, which are difficult to print on with desktop printers, and they can also print on objects other than paper, such as changing the font or turning the paper upside down. Compared to desktop printers, there are many uses for typing characters or reduced size characters, but in the case of desktop printers, when printing italic characters, the print timing must be adjusted in half-dot or one-dot units. To print reversed characters, rearrange the print data horizontally and then print it, and to print reduced characters, insert a half-dot line feed vertically and double print. was common.

[Problems to be Solved by the Invention] However, in the method of printing italics by shifting the print data in one-dot or half-dot units, diagonal lines are stepped and natural printing is not possible, and the print data must be rearranged. The problem is that the method of printing reverse characters requires a large amount of memory, which increases costs, and the method of printing reduced characters by double stroke is virtually impossible with a handy printer because the print position cannot be determined. Has a point. The present invention is intended to solve these problems, and its purpose is to provide a handy printer that can easily write beautiful italics, reversed characters, and reduced characters.

[Means for Solving the Problems] The handy printer of the present invention is characterized by having a print head that is rotatable about a direction perpendicular to the paper surface.

[Function] According to the above configuration of the present invention, the print head is
°You can easily print italics just by rotating it, and diagonal lines connect smoothly. Furthermore, by rotating the 1800 print head, it is possible to print reverse characters as is. However, in this case, the image will be upside down, but this is not a problem since the handy printer can print in any direction. Furthermore, by shifting the printing timing of each dot according to the rotation angle, it is possible to print reduced characters of any size.

[Embodiment] Fig. 1 is a mechanical diagram showing an embodiment of the handy printer of the present invention. The recording methods include wire dot, thermal,
Possible methods include thermal transfer, ink dots, and inkjet, but here is an example using inkjet. The print head 1 is rotatably fitted into a cylindrical hole of the main body 2 with a nozzle protruding downward, and the print head 1 is usually fixed by a fixing spring 4 fitted in a notch 3 to prevent it from rotating. ing. By moving the main body in the direction of arrow A, the encoder 6 rotates via the wheels 5, a print timing signal is output to the external controller I/roller, a print signal is sent from the external controller to the print head 1, and printing is performed. It will be done. The main body has a cover as shown by the two-dot chain line, making it convenient to move it by hand, but only the main parts are shown here.

FIG. 2 is a view of the example shown in FIG. 1 from below.

When the print head 1 is in the basic position as shown in FIG. 2(a), normal printing is performed as shown in FIG. 3(a). At this time, by moving in the direction opposite to arrow A in FIG. 1, characters can be printed upside down, but not upside down, but left and right, as shown in FIG. 3(b). print head 1 to 18
If it is rotated by 0° and moved in the direction of arrow A in FIG. 1, it is possible to print upside-down characters as shown in FIG. 3(e).

FIG. 2(b) shows the case where the print head 1 is slightly rotated in the direction of arrow B in FIG.
When moved in this direction, italic printing is performed as shown in FIG. 3(d).

When the print head 1 is rotated by an angle θ as shown in FIG. 2(b), there is no vertical movement! - The pitch will be multiplied by cos θ, and each dot will shift horizontally by sin θ times the dot pitch. At this time, if you correct the amount of deviation in the lateral direction by changing the print timing, the pitch will become multiplied by cos θ in the vertical direction. Can print reduced characters. Furthermore, since the dot pitch in the horizontal direction can be easily changed using software, it is possible to perform reduced printing in any vertical or horizontal direction. (Figure 3(e)
) [Effects of the Invention] As described above, according to the present invention, beautiful italic printing can be performed by rotating the print head,
It has the advantage of being able to print reverse characters without using memory, and to perform reduced printing in any vertical or horizontal direction even though it is a handy printer.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an embodiment of the handy printer of the present invention. FIG. 2 is a bottom view showing an example of the operation of the handy printer of the present invention, in which (a) shows the basic position, and (b) shows the print head in a rotated state. FIG. 3 shows examples of printing by the handy printer according to the present invention, in which (a) is normal printing, (b) is printing of reversed characters with the left and right sides reversed, and (C) is printing of reversed characters with upside down. ,(
d) shows an example of italic printing, and (e) shows an example of reduced character printing. (f) is an enlarged view of (e). 1...Print head 2...Handy printer body 3...
...Notch portion 4...Print head fixing spring 5...
...Wheel 6...Encoder 7...Dial for rotating the head Applicant Seiko Epson Co., Ltd. Agent Patent attorney Tsutomu Mogami and 1 other person Figure 1 Figure 2 Figure 7 8V
Ward 0 C-Q Taste

Claims (1)

[Claims] A handy printer characterized by having a print head that is rotatable around a direction perpendicular to the paper surface.