JPH0216434U - - Google Patents
Info
- Publication number
- JPH0216434U JPH0216434U JP9145188U JP9145188U JPH0216434U JP H0216434 U JPH0216434 U JP H0216434U JP 9145188 U JP9145188 U JP 9145188U JP 9145188 U JP9145188 U JP 9145188U JP H0216434 U JPH0216434 U JP H0216434U
- Authority
- JP
- Japan
- Prior art keywords
- light
- tape
- leader
- receiving element
- magnetic
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 2
- 230000005389 magnetism Effects 0.000 claims 1
Description
第１図は本考案に係るリーダーテープ検出機構
の一実施例が設けられたＶＴＲのフロントローデ
イング装置を示す斜視図、第２図は同じく本考案
の他の実施例を示す斜視図、第３図は従来のリー
ダーテープ検出機構が設けられたＶＴＲのフロン
トローデイング装置を示す斜視図、第４図は従来
のリーダーテープ検出機構を示す平面図である。
２……カセツト、５……ＬＥＤ（光源）、６…
…センサ（受光素子）、９……磁気テープ、１１
，１３……光フアイバ。
FIG. 1 is a perspective view showing a front loading device for a VTR equipped with an embodiment of the leader tape detection mechanism according to the present invention, FIG. 2 is a perspective view showing another embodiment of the present invention, and FIG. This figure is a perspective view showing a front loading device of a VTR equipped with a conventional leader tape detection mechanism, and FIG. 4 is a plan view showing the conventional leader tape detection mechanism. 2...Cassette, 5...LED (light source), 6...
...Sensor (light receiving element), 9...Magnetic tape, 11
, 13...optical fiber.
Claims (1)
にリーダーテープを設け、１個の光源から発する
光を供給側及び巻取側の前記磁気テープに導き、
前記リーダーテープを通過する光を受光素子によ
り受光して前記磁気テープの端を検出する磁気記
録再生装置のリーダーテープ検出機構において、
前記受光素子を１個とし、前記供給側及び巻取側
のリーダーテープを通過する前記光のうち少くと
も一方を、光フアイバを介して前記受光素子に受
光させるようにしたことを特徴とする磁気記録再
生装置のリーダーテープ検出機構。 A leader tape is provided at both ends of a magnetic tape wound around a tape cassette, and light emitted from one light source is guided to the magnetic tape on the supply side and the winding side,
In a leader tape detection mechanism of a magnetic recording and reproducing device, which detects an end of the magnetic tape by receiving light passing through the leader tape with a light receiving element,
The magnetism is characterized in that the light-receiving element is one, and at least one of the light passing through the leader tapes on the supply side and the winding side is received by the light-receiving element via an optical fiber. Leader tape detection mechanism for recording/playback equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988091451U JPH0648580Y2 (en) | 1988-07-12 | 1988-07-12 | Tape beginning and end detecting device of magnetic recording and reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988091451U JPH0648580Y2 (en) | 1988-07-12 | 1988-07-12 | Tape beginning and end detecting device of magnetic recording and reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0216434U true JPH0216434U (en) | 1990-02-01 |
| JPH0648580Y2 JPH0648580Y2 (en) | 1994-12-12 |
Family
ID=31315933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988091451U Expired - Lifetime JPH0648580Y2 (en) | 1988-07-12 | 1988-07-12 | Tape beginning and end detecting device of magnetic recording and reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0648580Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01217750A (en) * | 1988-02-25 | 1989-08-31 | Canon Inc | Tape start/end detection device |
-
1988
- 1988-07-12 JP JP1988091451U patent/JPH0648580Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01217750A (en) * | 1988-02-25 | 1989-08-31 | Canon Inc | Tape start/end detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648580Y2 (en) | 1994-12-12 |
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