JPS62113484U - - Google Patents
Info
- Publication number
- JPS62113484U JPS62113484U JP20342285U JP20342285U JPS62113484U JP S62113484 U JPS62113484 U JP S62113484U JP 20342285 U JP20342285 U JP 20342285U JP 20342285 U JP20342285 U JP 20342285U JP S62113484 U JPS62113484 U JP S62113484U
- Authority
- JP
- Japan
- Prior art keywords
- videotape
- optical path
- detection optical
- cassette
- tape
- 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 9
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000002834 transmittance Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20342285U JPS62113484U (cs) | 1985-12-30 | 1985-12-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20342285U JPS62113484U (cs) | 1985-12-30 | 1985-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62113484U true JPS62113484U (cs) | 1987-07-18 |
Family
ID=31168737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20342285U Pending JPS62113484U (cs) | 1985-12-30 | 1985-12-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62113484U (cs) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5661071A (en) * | 1979-10-19 | 1981-05-26 | Tdk Corp | Magnetic tape cassette |
| JPS5646088B2 (cs) * | 1976-07-06 | 1981-10-30 |
-
1985
- 1985-12-30 JP JP20342285U patent/JPS62113484U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5646088B2 (cs) * | 1976-07-06 | 1981-10-30 | ||
| JPS5661071A (en) * | 1979-10-19 | 1981-05-26 | Tdk Corp | Magnetic tape cassette |