JPS6280250U - - Google Patents
Info
- Publication number
- JPS6280250U JPS6280250U JP17233285U JP17233285U JPS6280250U JP S6280250 U JPS6280250 U JP S6280250U JP 17233285 U JP17233285 U JP 17233285U JP 17233285 U JP17233285 U JP 17233285U JP S6280250 U JPS6280250 U JP S6280250U
- Authority
- JP
- Japan
- Prior art keywords
- load
- flexible disk
- input
- disk drive
- drive device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 239000008186 active pharmaceutical agent Substances 0.000 description 3
Landscapes
- Keying Circuit Devices (AREA)
- Electronic Switches (AREA)
Description
第１図はこの考案の一実施例を示すフレキシブ
ル・デイスク・ドライブ装置の入力段を一部ブロ
ツク図で示す回路図、第２図は従来のフレキシブ
ル・デイスク・ドライブ装置の入力段を一部ブロ
ツク図で示す回路図である。
図において、ＤＳ０，ＤＳ１…ＤＳｋ…ＤＳｎ
はドライブセレクト端子、ＳＷ０，ＳＷ１…ＳＷ
ｋ…ＳＷｎは選択スイツチ、１は能動信号検出回
路、２は負荷スイツチ、３は負荷回路、３１は負
荷駆動回路、３２は負荷としてのＬＥＤ、３３は
抵抗である。なお、各図中、同一符号は同一又は
相当部分を示す。
FIG. 1 is a circuit diagram showing a partial block diagram of the input stage of a flexible disk drive device showing an embodiment of this invention, and FIG. 2 is a circuit diagram showing a partial block diagram of the input stage of a conventional flexible disk drive device. FIG. 2 is a circuit diagram shown in FIG. In the figure, DS 0 , DS 1 ...DS k ...DS n
are drive select terminals, SW 0 , SW 1 ...SW
k ...SW n is a selection switch, 1 is an active signal detection circuit, 2 is a load switch, 3 is a load circuit, 31 is a load drive circuit, 32 is an LED as a load, and 33 is a resistor. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
のドライブセレクト端子、これら複数個のドライ
ブセレクト端子の各々に対応して接続され前記第
１の入力信号をＯＮ―ＯＦＦする選択スイツチ、
これら選択スイツチの全てに接続され前記第１の
入力信号が入力されると所望のフレキシブル・デ
イスク・ドライブ装置を動作可能にする信号検出
回路、並びに前記複数個のドライブセレクト端子
のうちの所定のドライブセレクト端子とこれに対
応する選択スイツチとの接続点に負荷スイツチを
介して接続される負荷回路を備えたことを特徴と
するフレキシブル・デイスク・ドライブ装置。 (2) 第１の入力信号はフレキシブル・デイスク
・ドライブ装置を駆動するための能動信号であり
、第２の入力信号は負荷を駆動するための負荷駆
動信号であることを特徴とする実用新案登録請求
の範囲第１項記載のフレキシブル・デイスク・ド
ライブ装置。 (3) 負荷回路は、互に直列接続された負荷駆動
回路、負荷および抵抗から成ることを特徴とする
実用新案登録請求の範囲第１項または第２項記載
のフレキシブル・デイスク・ドライブ装置。 (4) 負荷がＬＥＤであることを特徴とする実用
新案登録請求の範囲第１項ないし第３項のいずれ
か記載のフレキシブル・デイスク・ドライブ装置
。[Claims for Utility Model Registration] (1) A plurality of drive select terminals to which first and second input signals are input, and the first input connected to each of the plurality of drive select terminals in a corresponding manner. Selection switch to turn the signal on and off,
A signal detection circuit that is connected to all of these selection switches and enables a desired flexible disk drive device to operate when the first input signal is input, and a signal detection circuit that is connected to all of the selection switches and enables a desired flexible disk drive device to operate when the first input signal is input; A flexible disk drive device comprising a load circuit connected to a connection point between a select terminal and a corresponding selection switch via a load switch. (2) Registration of a utility model characterized in that the first input signal is an active signal for driving a flexible disk drive device, and the second input signal is a load drive signal for driving a load. A flexible disk drive device according to claim 1. (3) The flexible disk drive device according to claim 1 or 2, wherein the load circuit includes a load drive circuit, a load, and a resistor that are connected in series. (4) The flexible disk drive device according to any one of claims 1 to 3 of the utility model registration claim, characterized in that the load is an LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17233285U JPS6280250U (en) | 1985-11-11 | 1985-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17233285U JPS6280250U (en) | 1985-11-11 | 1985-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6280250U true JPS6280250U (en) | 1987-05-22 |
Family
ID=31108778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17233285U Pending JPS6280250U (en) | 1985-11-11 | 1985-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6280250U (en) |
-
1985
- 1985-11-11 JP JP17233285U patent/JPS6280250U/ja active Pending
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