JPS6396786A - Flexible disk device - Google Patents

Abstract

PURPOSE:To fit a terminal vertically and horizontally by disposing the plural connection terminals of a jumber terminal in a signal switching part approximately at the same interval vertically and horizontally and mutually modifying the disposing position of one connection terminal on the side of a control signal output means and that position on the side of a connector. CONSTITUTION:Figure (a) shows the way that the jumber terminal inserted into a signal switching circuit 2 is connected in terms of a flexible disk device is that a 34th terminal is connected to a ready signal, and a 2nd terminal is disconnected. Meanwhile figure (b) shows that the 34th terminal is connected to a disk change signal and the 2nd terminal is disconnected. Figure (c) shows that the 34th terminal is connected to the ready signal and the 2nd terminal to the disk change signal. Figure (d) shows that the 34th terminal is connected to the disk change signal and the 2nd terminal to the ready signal. Figure (e) shows that the 34th terminal is disconnected and the 2nd terminal is connected to the disk change signal, while the figure (f) shows that the 34th terminal is disconnected and the 2nd terminal is connected to the ready signal. Hence the connection of transmitting and receiving terminals can be switched. Thus, the jumber terminal can be fitted vertically and horizontally.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a flexible disk device, and more particularly to a flexible disk device that has a function of selecting transmitting/receiving terminals for various control signals assigned to the flexible disk device. It is.

[Prior Art] Various control signals of a flexible disk device are generally
It is necessary to send data to the sending/receiving terminals assigned terminal numbers that are compatible with computer systems with various specifications.The methods for selecting the sending/receiving terminals to which the various control signals are sent are: (1) individual printed patterns; (2) A method of providing a switching circuit inside the device C used to output various control signals, etc. is being carried out.

FIGS. 4 and 5 show a method of selecting a transmitting/receiving terminal to which various control signals are sent in a conventional flexible disk device.

FIG. 4 shows a method of selecting a transmitting/receiving terminal using the above-described individual printed patterns and a signal switching section, that is, a signal switching circuit. In FIG. 5, control signal output means,
In other words, the signal sent from the IC (1) passes through the signal switching circuit (2) in which short-circuit or open-circuit is set between each connection terminal according to the selected transmitting/receiving terminal number, and then via the printed pattern (3). and to various computer systems connected to the connector (4). FIG. 5 shows a method of providing a switching circuit inside an IC used to output the various control signals mentioned above. In FIG. 5, IC(1
) is selected by the signal switching circuit (2) in which short circuit or open circuit is set between each connection terminal according to the transmitting/receiving terminal number for which ready select is selected inside the IC (1). It is applied to various computer systems connected to the connector (4) via the pattern (3).

[Problems to be Solved by the Invention] The signal switching circuit (2) formed on the printed pattern of the conventional flexible disk device is constructed as described above, and has two connections on the IC (], ) side. terminal i.e. S
The R side terminal, the DC side terminal, and the two connection terminals on the connector (4) side are arranged so as to face each other, and the connection terminals provided in the signal switching circuit (2) are Jumper terminals for shorting and opening
For example, since two rows of shorting connectors and shorting sockets with substantially equal vertical and horizontal terminal dimensions as shown in FIGS. 6(a) and 6(b), respectively, have been used, depending on the jumper terminal, However, there is a problem in that it is impossible to freely select and change the transmitting/receiving terminal to which the control signal outputted from the IC (1) is sent.

This invention was made in order to solve the above-mentioned problems, and the dimensions between the connection terminals in the signal switching section provided on the printed circuit board are made to match the dimensions between the connection terminals of the jumper terminal. The object of the present invention is to obtain a flexible disk device 9 in which the transmission/reception terminals for various control signals can be freely switched by changing the positions of the connection terminals on the control signal output means side and the connection terminals on the connector side. shall be.

[Means for Solving the Problems] The flexible disk device according to the present invention has a plurality of connecting terminals connected to the plugs of the jumper terminals of the signal switching section in vertical and horizontal directions with dimensions that allow the jumper terminals to fit therein. They are arranged at intervals, and the arrangement position of one connection terminal on the control signal output means side and the arrangement position of one connection terminal on the connector side are mutually changed.

[Function] The plurality of connection terminals of the signal switching section in this invention are arranged at approximately equal intervals both vertically and horizontally.

The jumper terminals to be fitted can be fitted in both vertical and horizontal directions.

[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. 1st
In the figure, (1) is an IC1 used in a flexible disk device, (2) is a signal switching circuit according to an embodiment of the present invention, and (4) is a connector for transmitting and receiving various signals of the flexible disk device.

FIG. 2 shows the state of the jumper terminal inserted into the signal switching circuit (2) in the flexible disk device according to the embodiment of the present invention shown in FIG. In the connection mode shown in (a), the 34th terminal is a ready signal and the 2nd terminal is not connected, and in the connection mode shown in (b), the 34th terminal is a disk change signal, and the 2nd terminal is not connected. The terminals are not connected, and in the connection mode shown in (c), the 34th terminal becomes a ready signal and the 2nd terminal becomes a disk change signal, and in the connection mode shown in (d), the 34th terminal becomes a disk change signal. Signal, 2ti
The terminal becomes a ready signal, and in the connection mode shown in (e), the 34th terminal is not connected, and the 2nd terminal becomes a disk change signal, and in the connection mode shown in (f),
Terminal 34 is not connected, terminal 2 is ready signal,
It is possible to switch the connection between the transmitting and receiving terminals, respectively.

Note that switching the connection between the transmitting and receiving terminals described above is performed using the third
This is carried out in the manner shown in the jumper terminals shown in Figures (a) to (f).

[Effects of the Invention] As described above, according to the present invention, the arrangement of the connection terminals in the signal switching section is configured so that jumper terminals can be fitted freely in either the vertical or horizontal directions, so that the device can be manufactured at low cost. , and also has the effect of providing a high degree of switching freedom.

[Brief explanation of the drawing]

FIG. 1 is a circuit configuration diagram of a flexible disk device according to an embodiment of the present invention, FIG. 2 is a diagram of a connection mode using jumper terminals in a flexible disk device according to an embodiment of the present invention, and FIGS. f) is a perspective view showing a connection mode using a jumper terminal in a flexible disk device according to an embodiment of the present invention, FIGS. 4 and 5 are views showing a flexible disk device according to the prior art, and FIG. (a) and (b) are diagrams showing jumper terminals used in this type of flexible disk device. In (1), IC1 (2) is a signal switching circuit;
3) is a printed pattern, and (4) is a connector. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims (1)

[Claims] Connectable to various computer systems and equipped with multiple terminals for transmitting and receiving control signals. Plugs made of conductive material are arranged at equal intervals vertically and horizontally on the printed pattern connected to the connector. In a flexible disk device having a signal switching unit that connects and disconnects a control signal transmission/reception terminal of the connector and a control signal output means for outputting the control signal using a fixed jumper terminal, the jumper terminal of the signal switching unit A plurality of connecting terminals to be connected to the plug are arranged at equal intervals vertically and horizontally with dimensions that allow the jumper terminal to fit therein, and the position of one connecting terminal on the side of the control signal output means. 1. A flexible disk device characterized in that the arrangement position of one connection terminal on the connector side is mutually changed.