JPS639311B2 - - Google Patents
Info
- Publication number
- JPS639311B2 JPS639311B2 JP55049705A JP4970580A JPS639311B2 JP S639311 B2 JPS639311 B2 JP S639311B2 JP 55049705 A JP55049705 A JP 55049705A JP 4970580 A JP4970580 A JP 4970580A JP S639311 B2 JPS639311 B2 JP S639311B2
- Authority
- JP
- Japan
- Prior art keywords
- tape
- rotation speed
- magnetic recording
- magnetic
- reel
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 description 6
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
- G11B15/06—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape
- G11B15/08—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape by photoelectric sensing
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4970580A JPS56145543A (en) | 1980-04-15 | 1980-04-15 | Magnetic recording and reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4970580A JPS56145543A (en) | 1980-04-15 | 1980-04-15 | Magnetic recording and reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56145543A JPS56145543A (en) | 1981-11-12 |
| JPS639311B2 true JPS639311B2 (US20080293856A1-20081127-C00150.png) | 1988-02-26 |
Family
ID=12838599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4970580A Granted JPS56145543A (en) | 1980-04-15 | 1980-04-15 | Magnetic recording and reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56145543A (US20080293856A1-20081127-C00150.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0268330U (US20080293856A1-20081127-C00150.png) * | 1988-11-14 | 1990-05-23 | ||
| JPH03230347A (ja) * | 1990-02-02 | 1991-10-14 | Matsushita Electric Ind Co Ltd | テープレコーダの始終端検出装置 |
| JPH08111047A (ja) | 1994-10-12 | 1996-04-30 | Hitachi Ltd | 磁気記録再生装置 |
| KR100253178B1 (ko) * | 1994-12-21 | 2000-04-15 | 구자홍 | 브이씨알의 테이프/릴 검출 방법 |
-
1980
- 1980-04-15 JP JP4970580A patent/JPS56145543A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56145543A (en) | 1981-11-12 |
