JPS6410461A - Motor controller for floppy disk - Google Patents
Motor controller for floppy diskInfo
- Publication number
- JPS6410461A JPS6410461A JP16506587A JP16506587A JPS6410461A JP S6410461 A JPS6410461 A JP S6410461A JP 16506587 A JP16506587 A JP 16506587A JP 16506587 A JP16506587 A JP 16506587A JP S6410461 A JPS6410461 A JP S6410461A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- motor
- fdd
- timer
- circuit
- 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
Landscapes
- Rotational Drive Of Disk (AREA)
Abstract
PURPOSE:To save an electric power consumption without rotating an FDD not under the R/W operation by providing a timer for actuation by a motor-on signal, keeping a motor from starting up during a delay operation and driving the motor after detecting the state of a medium. CONSTITUTION:A timer means 5 for delay actuation by the motor-on signal (a) is provided in an FDD system connected with plural sets of the FDD. Since an AND-circuit 2 for outputting a motor rotation instructing signal is inputted with an output of the timer circuit 5 in addition to the motor-on signal (a), an FDD selecting signal (b) and a detecting signal (d) out of a medium detecting circuit 4, the motor rotation instructing signal is not outputted during the operation of the timer. In the meantime, the loading or exchanging state of the FDD is detected and its signal is sent to a host control part 1. Consequently, an FDD which does not operate R/W cannot be rotated, thus saving the power consumption.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16506587A JPS6410461A (en) | 1987-07-01 | 1987-07-01 | Motor controller for floppy disk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16506587A JPS6410461A (en) | 1987-07-01 | 1987-07-01 | Motor controller for floppy disk |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6410461A true JPS6410461A (en) | 1989-01-13 |
Family
ID=15805196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16506587A Pending JPS6410461A (en) | 1987-07-01 | 1987-07-01 | Motor controller for floppy disk |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6410461A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01168717A (en) * | 1987-12-25 | 1989-07-04 | Tosoh Corp | Amine catalyst for hard fine cell polyurethane foam |
JP2008308072A (en) * | 2007-06-15 | 2008-12-25 | Mitsubishi Motors Corp | Shock absorbing structure of steering column device |
-
1987
- 1987-07-01 JP JP16506587A patent/JPS6410461A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01168717A (en) * | 1987-12-25 | 1989-07-04 | Tosoh Corp | Amine catalyst for hard fine cell polyurethane foam |
JP2008308072A (en) * | 2007-06-15 | 2008-12-25 | Mitsubishi Motors Corp | Shock absorbing structure of steering column device |
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