KR920000478B1 - Fdd 인덱스 보정회로 - Google Patents
Fdd 인덱스 보정회로 Download PDFInfo
- Publication number
- KR920000478B1 KR920000478B1 KR1019890011091A KR890011091A KR920000478B1 KR 920000478 B1 KR920000478 B1 KR 920000478B1 KR 1019890011091 A KR1019890011091 A KR 1019890011091A KR 890011091 A KR890011091 A KR 890011091A KR 920000478 B1 KR920000478 B1 KR 920000478B1
- Authority
- KR
- South Korea
- Prior art keywords
- time
- index
- clock pulse
- time constant
- 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.)
- Expired
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Rotational Drive Of Disk (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (3)
- 스핀들 모터로 구동하는 플로피 디스크 드라이버(FDD) 상호간의 호환을 위한 인덱스 보정회로에 있어서, 스핀들 모터에 장착된 홀 센서의 출력단에 연결되어 있고 입력되는 불안정한 신호를 일정기간 지연시켜 출력하는 시간 지연 수단(T1); 상기 지연 수단(T1)에 연결되어 있고 지연시간을 조절하는 제1시상수 결정수단; 상기 시간 지연 수단(T1)의 출력단에 연결되어 있는 보정된 클럭펄스를 생성 출력하는 클럭펄스 발생수단(T2); 및 상기 클럭펄스 발생수단(T2)에 연결되어 있고 출력되는 펄스폭을 조절하는 제2시상수 결정 수단을 구비하고 있는 것을 특징으로 하는 FDD 인덱스 보정회로.
- 제1항에 있어서, 상기 제1시상수 결정 수단은, 전원단(Vcc)과 상기 시간 지연 수단(T1)간에 연결된 가변저항(VR1); 및 상기 가변저항(VR1)과 접지간에 연결된 제1캐패시터(C1)로 구성되어 있는 것을 특징으로 하는 FDD 인덱스 보정회로.
- 제1항 또는 제2항에 있어서, 상기 제2시상수 결정수단은, 전원단(Vcc)과 상기 클럭펄스 발생수단(T2)간에 연결된 저항(R1); 및 상기 저항(R1)과 접지간에 연결된 제2캐패시터(C2)로 구성되어 있는 것을 특징으로 하는 FDD 인덱스 보정회로.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890011091A KR920000478B1 (ko) | 1989-08-03 | 1989-08-03 | Fdd 인덱스 보정회로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890011091A KR920000478B1 (ko) | 1989-08-03 | 1989-08-03 | Fdd 인덱스 보정회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910005158A KR910005158A (ko) | 1991-03-30 |
| KR920000478B1 true KR920000478B1 (ko) | 1992-01-14 |
Family
ID=19288702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890011091A Expired KR920000478B1 (ko) | 1989-08-03 | 1989-08-03 | Fdd 인덱스 보정회로 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR920000478B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7968623B2 (en) | 2007-08-06 | 2011-06-28 | General Cable Technologies Corp. | Tree resistant insulation compositions |
-
1989
- 1989-08-03 KR KR1019890011091A patent/KR920000478B1/ko not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7968623B2 (en) | 2007-08-06 | 2011-06-28 | General Cable Technologies Corp. | Tree resistant insulation compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| KR910005158A (ko) | 1991-03-30 |
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