JPH06293160A - Terminal printer - Google Patents

Abstract

PURPOSE:To obtain a terminal printer capable of changing an ID in accordance with a character set ID of a host. CONSTITUTION:The printer comprises an ID storage means 2 storing two kinds of new and old IDs inputted from a control panel 3; an ID retrieval means 1 detecting the ID stored in the storage means 2 by a printing control signal; an ID conversion means 4 converting an ID, if it is required to be changed, to an old ID which is the pair to said ID; and a character set storage means 6 accessed by the conversion means 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a terminal printer,
More specifically, it relates to a technique for changing a character set in a printer.

[0002]

2. Description of the Related Art A terminal printer converts a code signal from the host into a code of a pattern that matches a character or pattern in the host in order to print the same character as the host by a code signal from the host connected to the terminal printer. Therefore, it is necessary to provide a conversion code table, so-called multiple character sets, and each character set has an identification code,
A so-called ID is provided so that the ID can be selected by the host. However, since the ID is sometimes changed due to the convenience of the host side, there arises a problem that the character set built in the printer cannot be called.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to flexibly respond to a change in the character set ID on the host side and to set an appropriate character set. It is to provide a terminal printer capable of reading out.

[0004]

In order to solve such a problem, in the present invention, at least one type of character set data, a character set storing means having an ID for specifying the character set, and a selection are selected. In a printer that selects data of a specified character set by a character code from a host, an ID storage unit that stores two types of ID code data, new and old, input from the outside, and an ID from the host are stored in the ID storage unit. An ID search means for determining whether or not the ID needs to be changed, and an ID conversion means for outputting an old ID paired with the ID search means if the ID is a new ID that needs to be changed. did.

[0005]

When the character set ID is changed by the host, the changed ID and the pre-change ID are stored in association with each other in the ID storage means. When the post-change ID is detected from the host, the pre-change ID is read from the storage means and changed to this, and the character set storage means is selected by this ID.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to the illustrated embodiments. The figure shows an embodiment of the present invention. In the figure, reference numeral 1 is an ID search means for monitoring whether or not an ID matching an ID stored in an ID storage means 2 described later is inputted from a host. To do. 2 is the above I
The D storage means stores the old and new IDs from the control panel 3. Reference numeral 4 denotes an ID conversion means, which is an ID search means 1
If the input of the ID of interest is detected by
The corresponding ID stored in the ID storage means 2 is called and output to the reading means, and when the ID of interest is not input, the input ID is output as it is to the reading means 5 without being changed. .

Reference numeral 6 denotes a character set storage means for storing a character set, which is stored in the pattern storage means 7 in which pattern data corresponding to the character code is stored with the code of the character used for each language or each host as an address. The address is used as data, and an ID is added to each character set of each set and stored in a non-volatile memory. Reference numeral 7 is a character pattern that can be called by data from the character set data, and stores dot patterns and outline font data of each character with continuous symbols such as numbers as addresses. In the figure, reference numeral 8 is the pattern storage means 7.
In the case of a bitmap, it is as it is, and in the case of an outline font, it is converted into bitmap data and output.

FIG. 2 shows an embodiment of the control panel 3 of the printer body, which is provided with a mode selection key 11, a cursor operation key 12, a selection key 13 and a display 14, and the mode selection key 11 is used to set characters. When the change mode is instructed, a number or alphabet is cyclically displayed on the display 14 each time the cursor operation key 12 is pressed, and when the selection key 13 is pressed in the display state, the displayed character is The ID storage means 2 can be used as data.

Next, the operation of the apparatus thus constructed will be described with reference to the flow chart shown in FIG. With the normal print mode selected (step B), specify the character set together with the print control signal from the host I
When D is output, the ID search means 1 determines whether this ID is stored in the ID storage means 2, and if there is no stored ID in the storage means 2,
That is, if the ID is a non-focused ID (step D), the character set designated by this ID is selected (step F).

When a character code is input at the stage where the character set to be used by the host is specified in this way (step), the character pattern determined by the character set is read from the pattern storage means 7 by the pattern output means 8. (Stepchi).

Depending on the host side circumstances, I of the above character set
When D is changed, the ID change mode is selected by the control panel 3 of the printer (step a), and two types of data, old and new, are input. The data is stored in the ID storage means 2 (step B). When the above-mentioned changed ID is input from the host (step C) when the procedure for changing the ID of the character set is completed (step C), the ID search means 1 determines that this ID is the changed ID. Then, the old ID that is paired with this ID is read from the ID storage means 2, the ID is changed, and output to the reading means 5 (step E).

This allows the original character set to be selected with this new ID, even though the ID has changed. Of course, the ID is data for specifying the character set, and the character code is not changed. Therefore, the input character code is converted into a predetermined character pattern as it is.

In this embodiment, the case where the character set originally provided in the printer is validated has been described. However, when new character set data is added, the ID is changed by the same procedure as described above. , A new character set can be added to the printer.

[0014]

As described above, in the present invention,
ID storage means for storing two types of old and new IDs input from the outside, and ID search means for determining whether or not the ID from the host is the ID stored in the ID storage means that needs to be changed. When the ID is a new ID that needs to be changed, the ID conversion means for outputting the paired old ID is provided. Therefore, if the character set ID is changed by the host, the changed ID is used. And a simple operation of associating the ID before the change and storing it in the ID storage means,
Not only can the original character set be used with the changed ID, but a new character set can be added to the printer.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an apparatus showing an embodiment of the present invention.

FIG. 2 is a front view showing an embodiment of a control panel.

FIG. 3 is a flowchart showing the operation of the above apparatus.

[Explanation of symbols]

 3 Control panel 11 Mode selection key 12 Cursor operation key 13 Selection key

Claims (1)

[Claims] 1. A printer for selecting at least one type of character set data, a character set storing means having an ID for specifying a character set, and a printer for selecting data of a selected character set by a character code from a host. ID storage means for storing two types of IDs, old and new, inputted from the outside, and it is judged whether or not the ID from the host is the ID stored in the ID storage means that needs to be changed.
If the D search means and the new ID that needs to be changed,
A terminal printer provided with ID conversion means for outputting an old ID paired with this.