JPH0433007U - - Google Patents
Info
- Publication number
- JPH0433007U JPH0433007U JP7544890U JP7544890U JPH0433007U JP H0433007 U JPH0433007 U JP H0433007U JP 7544890 U JP7544890 U JP 7544890U JP 7544890 U JP7544890 U JP 7544890U JP H0433007 U JPH0433007 U JP H0433007U
- Authority
- JP
- Japan
- Prior art keywords
- cable
- tape
- optical fiber
- bottom wall
- wall surface
- 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
- 239000013307 optical fiber Substances 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案のテープ型光フアイバケーブル
の一実施例のスペーサの横断面図、第２図は第１
図の溝部拡大図、第３図は従来のテープ型光フア
イバユニツトのスペーサの横断面図、第４図は第
３図の溝部拡大図、第５図はスペーサの溝の底壁
の水平面となす角度と伝送損失増加量との関係を
示す特性図である。
１……光フアイバ、２……テープ型光フアイバ
ユニツト、２ａ……テープ型光フアイバ心線、３
ａ……スペーサ、５……らせん溝。
FIG. 1 is a cross-sectional view of a spacer of an embodiment of the tape-type optical fiber cable of the present invention, and FIG.
Figure 3 is an enlarged view of the groove in the figure, Figure 3 is a cross-sectional view of a spacer of a conventional tape type optical fiber unit, Figure 4 is an enlarged view of the groove in Figure 3, and Figure 5 is a horizontal plane of the bottom wall of the spacer groove. FIG. 3 is a characteristic diagram showing the relationship between the angle and the amount of increase in transmission loss. DESCRIPTION OF SYMBOLS 1... Optical fiber, 2... Tape type optical fiber unit, 2a... Tape type optical fiber core wire, 3
a... Spacer, 5... Spiral groove.
Claims (1)
したテープ型光フアイバ心線がスペーサの外周に
設けられたらせん溝内に複数本積層して収納され
ているテープ型光フアイバケーブルにおいて、前
記らせん溝の底壁面がケーブル断面における前記
底壁面の中心とケーブル中心とを結んだ仮想線に
直交する面に対して１５°から２５°の角度θを
持って形成されていることを特徴とするテープ型
光フアイバケーブル。 In a tape-type optical fiber cable in which a plurality of optical fibers are arranged in parallel and collectively coated and housed in a plurality of stacked tape-type optical fiber cores in a spiral groove provided on the outer periphery of a spacer, the spiral A tape characterized in that the bottom wall surface of the groove is formed at an angle θ of 15° to 25° with respect to a plane perpendicular to an imaginary line connecting the center of the bottom wall surface and the center of the cable in the cross section of the cable. type fiber optic cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7544890U JPH0433007U (en) | 1990-07-16 | 1990-07-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7544890U JPH0433007U (en) | 1990-07-16 | 1990-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0433007U true JPH0433007U (en) | 1992-03-18 |
Family
ID=31616035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7544890U Pending JPH0433007U (en) | 1990-07-16 | 1990-07-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0433007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008281823A (en) * | 2007-05-11 | 2008-11-20 | Furukawa Electric Co Ltd:The | Ribbon slot type cable |
-
1990
- 1990-07-16 JP JP7544890U patent/JPH0433007U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008281823A (en) * | 2007-05-11 | 2008-11-20 | Furukawa Electric Co Ltd:The | Ribbon slot type cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60112203U (en) | Multi-core fiber for optical transmission | |
| JPS6333102U (en) | ||
| JPH0433007U (en) | ||
| JPS5813504U (en) | Low crosstalk multi-core optical fiber | |
| JPS6380510U (en) | ||
| JPS6166305U (en) | ||
| JPS6436929U (en) | ||
| JPS5816606U (en) | fiber optic bundle | |
| JPH01101210U (en) | ||
| JPS6299018U (en) | ||
| JPS6360114U (en) | ||
| JPS6432507U (en) | ||
| JPH0180720U (en) | ||
| JPS60169607U (en) | fiber optic cable | |
| JPS6246407U (en) | ||
| JPH0269305U (en) | ||
| JPS63157706U (en) | ||
| JPS6265605U (en) | ||
| JPH0440209U (en) | ||
| JPS5854604U (en) | fiber optic cable | |
| JPS6378905U (en) | ||
| JPH0219104U (en) | ||
| JPS62109121U (en) | ||
| JPH0343604U (en) | ||
| JPS58149705U (en) | fiber optic cable |