JP3303126B2 - Branch distributor for CATV with telephone line - Google Patents
Branch distributor for CATV with telephone lineInfo
- Publication number
- JP3303126B2 JP3303126B2 JP32043297A JP32043297A JP3303126B2 JP 3303126 B2 JP3303126 B2 JP 3303126B2 JP 32043297 A JP32043297 A JP 32043297A JP 32043297 A JP32043297 A JP 32043297A JP 3303126 B2 JP3303126 B2 JP 3303126B2
- Authority
- JP
- Japan
- Prior art keywords
- branch
- telephone line
- catv
- housing
- distributor
- 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 - Fee Related
Links
Landscapes
- Details Of Television Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は電話回線併設ＣＡＴ
Ｖシステムにおける分岐分配器に関するものである。The present invention relates to a CAT with a telephone line.
It relates to a branch distributor in a V system.
【０００２】[0002]
【従来の技術】一般に、電話回線併設ＣＡＴＶシステム
に使用されるＣＡＴＶ用分岐分配器と電話回線分岐器は
別体であるが、一体型としたものも一部提案されてい
る。2. Description of the Related Art In general, a CATV branch / distributor used in a CATV system provided with a telephone line is separate from a telephone line branch unit. However, some integrated types have been proposed.
【０００３】[0003]
【発明が解決しようとする課題】ところで、一体型とし
たもののうち、ＣＡＴＶ用分岐分配器のハウジングの下
面部に、２列配設とした接栓座に沿つて電話回線分岐器
用ハウジングを突設したものでは、電話回線分岐器用ハ
ウジングに沿う内側配列の接栓座にスパナ等の工具で同
軸ケーブルを取付ける際、工具が外側配列の接栓座に当
たつて取付け困難となる不具合があつた。そこで、電話
回線分岐器用ハウジングの下面とＣＡＴＶ用分岐分配器
のハウジングの下面とをほぼ同じレベル上にとることに
よつて、前述の取付け困難な問題を解消したものが提案
された。しかし、この電話回線付きＣＡＴＶ用分岐分配
器は、ＣＡＴＶ用分岐分配器のハウジングと電話回線分
岐器用ハウジングとの重なりがないので、電話回線分岐
器突き出し方向の長さを短縮することができない。ま
た、接栓座が３列以上の配設では、中間列の接栓座の取
付けが困難となるので、好ましくない。By the way, of the integrated type, the telephone line branch housing is projected from the lower surface of the housing of the CATV branch distributor along the plug seats arranged in two rows. However, when the coaxial cable is attached to the inner arrangement of sockets along the telephone line switch housing with a tool such as a wrench, the tool hits the outer arrangement of sockets, making it difficult to attach the coaxial cable. In view of the above, there has been proposed an arrangement in which the lower surface of the housing for the telephone line branching device and the lower surface of the housing of the CATV branching device are substantially at the same level, thereby solving the above-mentioned difficulty in mounting. However, since the CATV branch distributor with a telephone line does not overlap the housing of the CATV branch distributor with the telephone line branch housing, the length of the telephone line branch projecting direction cannot be reduced. In addition, the arrangement of three or more rows of plug seats is not preferable because it becomes difficult to mount the plug rows in the middle row.
【０００４】本発明は前記するような点を改善すること
ができる電話回線付きＣＡＴＶ用分岐分配器を提供する
ことを目的とする。It is an object of the present invention to provide a CATV branch / distributor with a telephone line which can improve the above-mentioned points.
【０００５】[0005]
【課題を解決するための手段】請求項１に係る発明は、
ハウジングの上面側にメツセンジヤワイヤ取付部を有し
下面側に複数列の接栓座を備えたＣＡＴＶ用分岐分配器
に電話回線分岐器を取付けてなる電話回線付きＣＡＴＶ
用分岐分配器において、電話回線分岐器は、そのハウジ
ングの一外側壁にＣＡＴＶ用分岐分配器の複数列の接栓
座を設けた取付座を突設し、電話回線分岐器のハウジン
グの一部とこれに突設された前記取付座とでＣＡＴＶ用
分岐分配器の下向き凹部を閉蓋すると共に、前記複数列
の接栓座の取付座下方への突き出し長を前記一外側壁か
ら遠ざかるほど段階的に短くしたことを特徴とするもの
である。The invention according to claim 1 is
A CATV with a telephone line, wherein a telephone line branch is mounted on a CATV branch distributor having a messenger wire mounting portion on the upper surface side of the housing and a plurality of rows of plug seats on the lower surface side.
In the branch distributor for telephone lines, the telephone line branch unit has a mounting seat provided with a plurality of rows of plug seats of the CATV branch distributor on one outer wall of the housing, and a part of the housing of the telephone line branch unit. And the mounting seat protruding therefrom closes the downward concave portion of the CATV branch distributor, and the projecting length of the plurality of rows of plug seats below the mounting seat increases as the distance from the outer wall increases. It is characterized in that it has been shortened as a whole.
【０００６】この手段によれば、ＣＡＴＶ用分岐分配器
の下向き凹部を、電話回線分岐器のハウジングの一部と
これに突設された取付座とで閉蓋しているので、接栓座
を設けた取付座単独で閉蓋するものに比べ、電話回線付
きＣＡＴＶ用分岐分配器を一段とコンパクト化すること
ができる。また、複数列の接栓座の取付座下方への突き
出し長を一外側壁から遠ざかるほど段階的に短くしてい
るので、複数列の接栓座への同軸ケーブル取付けの際、
スパナ等の工具が外側列の接栓座で妨げられることがな
くなり、複数列の接栓座に対する接栓付き同軸ケーブル
の接続が容易となる。According to this means, the downward recess of the CATV branch distributor is closed by a part of the telephone line branch housing and the mounting seat protruding from the housing. The branch distributor for a CATV with a telephone line can be made more compact as compared with the case where the provided mounting seat is closed alone. Also, since the protruding length of the plurality of rows of plug seats below the mounting seat is gradually reduced as the distance from the outer wall increases, when mounting a coaxial cable to the plurality of rows of plug seats,
A tool such as a spanner is not hindered by the outer row of plug seats, and connection of the coaxial cable with plugs to the plurality of rows of plug seats is facilitated.
【０００７】請求項２に係る発明は、請求項１記載の電
話回線付きＣＡＴＶ用分岐分配器において、電話回線分
岐器は、そのハウジングの下向き凹部を当該ハウジング
にヒンジ連結したカバーで閉蓋したものである。According to a second aspect of the present invention, in the branch distributor for a CATV with a telephone line according to the first aspect, the telephone line branch unit has a downwardly facing concave portion of the housing closed by a cover hinged to the housing. It is.
【０００８】この手段によれば、電話回線分岐器の下向
き凹部を閉蓋するカバーは落下することがないので、電
話回線分岐器の保守、点検等を能率よく施行することが
できる。According to this means, since the cover for closing the downward concave portion of the telephone line switch does not fall, maintenance and inspection of the telephone line switch can be efficiently performed.
【０００９】[0009]
【発明の実施の形態】以下、本発明の電話回線付きＣＡ
ＴＶ用分岐分配器の実施の形態を図面に基づいて説明す
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a CA with a telephone line according to the present invention will be described.
An embodiment of a TV branch distributor will be described with reference to the drawings.
【００１０】図１は電話回線付きＣＡＴＶ用分岐分配器
の正面図、図２は同底面図、図３は同平面図、図４は図
１におけるＡ−Ａ線断面図、図５は接栓座に同軸ケーブ
ルを取付け、電話回線側のカバーを開披した電話回線付
きＣＡＴＶ用分岐分配器の側面図、を示す。FIG. 1 is a front view of a CATV branch distributor with a telephone line, FIG. 2 is a bottom view thereof, FIG. 3 is a plan view thereof, FIG. 4 is a sectional view taken along line AA in FIG. 1, and FIG. FIG. 2 shows a side view of a CATV branch / distributor with a telephone line in which a coaxial cable is attached to a seat and a telephone line side cover is opened.
【００１１】電話回線付きＣＡＴＶ用分岐分配器１は、
屋外で張設されたメツセンジヤワイヤ２にメツセンジヤ
ワイヤ取付部３で懸架するＣＡＴＶ用分岐分配器４と、
このＣＡＴＶ用分岐分配器４の下面部に上面部の一部で
取付ける電話回線分岐器５からなる。[0011] The branch distributor 1 for CATV with a telephone line comprises:
A branch distributor 4 for CATV, which is suspended by a messenger wire mounting part 3 on a messenger wire 2 stretched outdoors;
A telephone line branch unit 5 is attached to a lower part of the CATV branch distributor 4 at a part of an upper surface part.
【００１２】ＣＡＴＶ用分岐分配器４は、角型のハウジ
ング８の電話回線分岐器５取付側の上面の中央に、メツ
センジヤワイヤ２を案内するＶ状案内溝９と、このＶ状
案内溝９とでメツセンジヤワイヤ２を挟む押え板１０
と、この押え板１０をハウジング８に取付ける締付ボル
ト１１からなるワイヤ取付部３を設ける。また、ハウジ
ング８の両側壁１２，１２のワイヤ取付部３寄り箇所に
はＣＡＴＶ幹線１３に接続する入力端子部１４と出力端
子部１５を突設し、ハウジング８の下面に凹設した下向
き凹部１６には高周波回路用基板１７等を内装し、ハウ
ジング８の下面側には入・出力端子部１４，１５間から
高周波回路用基板１７等を経て分岐、分配された信号を
保安器を介してテレビ受像機に供給するための８個の接
栓座１８を２列、ＣＡＴＶ幹線１３と平行に配設する。The CATV branch distributor 4 has a V-shaped guide groove 9 for guiding the messenger wire 2 and a V-shaped guide groove at the center of the upper surface of the rectangular housing 8 on the side where the telephone line branch device 5 is mounted. 9 and presser plate 10 for sandwiching messenger wire 2
Then, the wire mounting portion 3 including the tightening bolts 11 for mounting the holding plate 10 to the housing 8 is provided. An input terminal portion 14 and an output terminal portion 15 connected to the CATV trunk 13 protrude from the side walls 12, 12 of the housing 8 near the wire attachment portion 3, and a downward recessed portion 16 recessed on the lower surface of the housing 8. A high-frequency circuit board 17 and the like are housed therein, and on the lower surface side of the housing 8, a signal branched and distributed through the high-frequency circuit board 17 and the like from between the input / output terminal portions 14 and 15 through a protector through a television. Eight plug seats 18 to be supplied to the receiver are arranged in two rows in parallel with the CATV trunk line 13.
【００１３】前記ＣＡＴＶ用分岐分配器４は、メツセン
ジヤワイヤ取付部３のＶ状案内溝９を１条としたが、ワ
イヤ２に懸架した電話回線付きＣＡＴＶ用分岐分配器１
の傾きによる弊害をワイヤ取付箇所を変えることで防止
するため、複数条にするとよい。The CATV branch / distributor 4 has a V-shaped guide groove 9 of the messenger wire mounting portion 3, but the CATV branch / distributor 1 with a telephone line suspended on the wire 2.
In order to prevent the adverse effect due to the inclination of the wire by changing the location where the wire is attached, a plurality of wires may be provided.
【００１４】電話回線分岐器５は、そのハウジング２０
の一外側壁２１の上部に、前記２列配置の接栓座１８
Ａ，１８Ｂを設けた取付座２２を横方向に一体突設する
と共に、この取付座２２の上端面２４をハウジング２０
の上端面２５と同一面にとり、ＣＡＴＶ用分岐分配器４
には、ハウジング２０の上端面２５と取付座２２の上端
面２４とでＣＡＴＶ用分岐分配器４のハウジング８の下
端面２３に当接し、複数のボルト２６で着脱自在に取付
けている。即ち、ＣＡＴＶ用分岐分配器４のメツセンジ
ヤワイヤ取付部３寄りの下面部と電話回線分岐器５の一
部とが重なり合う状態での連結となる。しかも、本実施
の形態においては、ハウジング２０の一外側壁２１を内
側の接栓座１８Ｂと近接する位置にとつていて、ＣＡＴ
Ｖ用分岐分配器４の下向き凹部１６を取付座２２とハウ
ジング２０の一部とで閉蓋するようにしている。The telephone line splitter 5 has a housing 20.
The two rows of the plug seats 18 are provided on the upper side of the outer wall 21.
A and a mounting seat 22 provided with 18B are integrally formed in the lateral direction, and an upper end surface 24 of the mounting seat 22 is
On the same plane as the upper end face 25 of the CATV,
, The upper end surface 25 of the housing 20 and the upper end surface 24 of the mounting seat 22 are in contact with the lower end surface 23 of the housing 8 of the CATV branch distributor 4, and are detachably attached with a plurality of bolts 26. That is, the connection is made in a state in which the lower surface of the CATV branch distributor 4 near the messenger wire mounting portion 3 and a part of the telephone line branch 5 overlap. Moreover, in the present embodiment, the outer wall 21 of the housing 20 is located at a position close to the inner plug seat 18B, so that the CAT
The downward concave portion 16 of the V branch distributor 4 is closed by the mounting seat 22 and a part of the housing 20.
【００１５】電話回線分岐器５のハウジング２０は、そ
の下面に凹設した下向き凹部２８に電源分岐回路とこの
電源分岐回路を後記端子部３２に接続する低周波回路等
を有する回路用基板２９その他を内装し、この回路用基
板２９に設けた電話線用端子台３０のメツセンジヤワイ
ヤ２と直交する両側面にはそれぞれ電話モデム用電力線
３１を接続するための４個の端子部３２を配設してい
る。前記下向き凹部２８を閉蓋するカバー３３は、前記
一外側壁２１（以下、接栓座対向側壁という）とは反対
側の側壁３４に枢軸３５でヒンジ連結すると共に、適宜
の取付具例えばボルト３６によつてハウジング２０に固
定する。尚、ボルト３６はそのねじ軸の中間に止め輪
（図示せず）を設けているので、カバー３３から脱落し
ない。また、開披したカバー３３は図５に示す如く枢軸
３５で枢支されているので落下しない。The housing 20 of the telephone line branching unit 5 has a circuit board 29 having a power supply branching circuit and a low-frequency circuit for connecting the power supply branching circuit to a terminal portion 32 described later in a downward recess 28 recessed on the lower surface thereof, and the like. And four terminal portions 32 for connecting a telephone modem power line 31 are provided on both sides of the telephone line terminal block 30 provided on the circuit board 29 at right angles to the messenger wire 2. Has been established. A cover 33 for closing the downward concave portion 28 is hingedly connected to a side wall 34 opposite to the one outer side wall 21 (hereinafter, referred to as a side wall opposite to the plug seat) by a pivot 35 and an appropriate mounting tool such as a bolt 36 To the housing 20. The bolt 36 has a retaining ring (not shown) at the center of its screw shaft, so that it does not fall off the cover 33. Also, the cover 33 that has been opened does not fall because it is pivotally supported by the pivot 35 as shown in FIG.
【００１６】ＣＡＴＶ用分岐分配器４の高周波回路用基
板１７と電話回線分岐器５の回路用基板２９は、図４に
示すようにハウジング２０の上端面２５の取付座２２寄
りに形成された凹部３８の座部３９を貫通した貫通コン
デンサ４０を介して電気的に接続されている。As shown in FIG. 4, the high-frequency circuit board 17 of the CATV branch distributor 4 and the circuit board 29 of the telephone line branch 5 have recesses formed near the mounting seat 22 on the upper end surface 25 of the housing 20, as shown in FIG. They are electrically connected via a feedthrough capacitor 40 that passes through a seat 39 of the power supply 38.
【００１７】電話回線付きＣＡＴＶ用分岐分配器１は、
前述したようにＣＡＴＶ用分岐分配器４のハウジング８
のワイヤ取付部３寄りの下面に電話回線分岐器５のハウ
ジング２０上面の一端側を取付けてなるので、コンパク
トに構成することができる。また、ＣＡＴＶ用分岐分配
器４の下向き凹部１６は、ハウジング２０の一部とこれ
に一体突設された取付座２２とで閉蓋するので、接栓座
１８Ａ，１８Ｂを設けた取付座単独で下向き凹部１６を
閉蓋する場合に比べ、電話回線付きＣＡＴＶ用分岐分配
器１の電話回線分岐器５突き出し方向の長さを一段と短
縮することができる。A CATV branch / distributor 1 with a telephone line comprises:
As described above, the housing 8 of the CATV branch distributor 4
Since one end side of the upper surface of the housing 20 of the telephone line branching device 5 is attached to the lower surface near the wire attaching portion 3, it can be made compact. Further, since the downward concave portion 16 of the CATV branch distributor 4 is closed by a part of the housing 20 and the mounting seat 22 which is integrally formed with the housing 20, the mounting seat alone provided with the plug seats 18A and 18B can be used alone. As compared with the case where the downward concave portion 16 is closed, the length of the CATV branch / distributor 1 in the direction in which the telephone line branching unit 5 protrudes can be further reduced.
【００１８】取付座２２に取付ける２列配置の接栓座１
８Ａ，１８Ｂのうち、ハウジング２０の接栓座対向側壁
２１に添う内側の接栓座１８Ｂは、これにＦ型接栓４１
を取付ける際、外側の接栓座１８Ａでスパナ操作が妨害
されないように外側の接栓座１８Ａよりも一段と長くし
ている。同様に、接栓座１８が３列あるいはそれ以上の
配列となる場合も、内側の接栓座を外側の接栓座よりも
一段と長くしておくものである。Two rows of plug seats 1 to be mounted on the mounting seat 22
8A and 18B, the inner plug seat 18B along the plug seat side wall 21 of the housing 20 is provided with an F-type plug 41.
When mounting, the outer plug seat 18A is made longer than the outer plug seat 18A so as not to hinder the operation of the spanner. Similarly, when the plug seats 18 are arranged in three rows or more, the inner plug seats are made longer than the outer plug seats.
【００１９】尚、図５において、４２は接栓座１８とＦ
型接栓４１との接栓箇所を防水するキヤツプである。In FIG. 5, reference numeral 42 denotes a plug seat 18 and F
This is a cap for waterproofing a plug connection point with the mold plug 41.
【００２０】[0020]
【発明の効果】請求項１に係る発明では、電話回線分岐
器のハウジングの一部とこれに突設された取付座とでＣ
ＡＴＶ用分岐分配器の下向き凹部を閉蓋しているので、
接栓座を設けた取付座単独で閉蓋するものに比べ、電話
回線付きＣＡＴＶ用分岐分配器を一段とコンパクト化す
ることができる。また、複数列の接栓座の取付座下方へ
の突き出し長を電話回線分岐器のハウジングの一外側壁
から遠ざかるほど段階的に短くしているので、ＣＡＴＶ
用分岐分配器の複数列の接栓座に対する接栓付き同軸ケ
ーブルの接続が容易となる。According to the first aspect of the present invention, a part of the housing of the telephone line branching device and the mounting seat protruding from the housing are formed with C.
Since the downward recess of the ATV branch distributor is closed,
The branch distributor for a CATV with a telephone line can be made more compact as compared with the case where the mounting seat provided with the plug seat is closed alone. Further, since the protruding length of the plurality of rows of plug seats below the mounting seat is gradually reduced as the distance from the outer wall of the housing of the telephone line switch is reduced, the CATV is reduced.
The connection of the coaxial cable with the plug to the plurality of rows of plug seats of the branching distributor is facilitated.
【００２１】請求項２に係る発明では、電話回線分岐器
の下向き凹部を閉蓋するカバーは開閉の際取り落とすこ
とがないので、凹部内の基板等の保守・点検を能率よく
施行することができる。According to the second aspect of the present invention, since the cover for closing the downward concave portion of the telephone line switch is not removed when opening and closing, it is possible to efficiently perform maintenance and inspection of the board and the like in the concave portion. it can.
【図１】本発明の一実施例の正面図である。FIG. 1 is a front view of one embodiment of the present invention.
【図２】本発明の一実施例の底面図である。FIG. 2 is a bottom view of one embodiment of the present invention.
【図３】本発明の一実施例の平面図である。FIG. 3 is a plan view of one embodiment of the present invention.
【図４】図１におけるＡ−Ａ線断面図である。FIG. 4 is a sectional view taken along line AA in FIG.
【図５】メツセンジヤワイヤに懸架された本発明の一実
施例の接栓座に同軸ケーブルを取付け、且つ電話回線分
岐器のカバーを開披した状態の側面図である。FIG. 5 is a side view showing a state in which a coaxial cable is attached to a plug seat of one embodiment of the present invention suspended on a messenger wire, and a cover of a telephone line branch is opened.
１ 電話回線付きＣＡＴＶ用分岐分配器 ３ メツセンジヤワイヤ取付部 ４ ＣＡＴＶ用分岐分配器 ５ 電話回線分岐器 ８ ハウジング １６ 下向き凹部 １８Ａ 接栓座 １８Ｂ 接栓座 ２０ ハウジング ２１ 一外側壁 ２２ 取付座 ２８ 下向き凹部 ３３ カバー DESCRIPTION OF SYMBOLS 1 Branch distributor for CATV with a telephone line 3 Messenger wire attaching part 4 Branch distributor for CATV 5 Telephone line branch 8 Housing 16 Downward recess 18A Connector seat 18B Connector seat 20 Housing 21 One outer wall 22 Mounting seat 28 Downward facing 33 cover
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H04N 5/00 H04N 7/10 H04N 7/14 - 7/173 H04N 7/20 - 7/22 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) H04N 5/00 H04N 7/10 H04N 7/ 14-7/173 H04N 7/ 20-7/22
Claims (2)
ヤ取付部を有し下面側に複数列の接栓座を備えたＣＡＴ
Ｖ用分岐分配器に電話回線分岐器を取付けてなる電話回
線付きＣＡＴＶ用分岐分配器において、電話回線分岐器
は、そのハウジングの一外側壁にＣＡＴＶ用分岐分配器
の複数列の接栓座を設けた取付座を突設し、電話回線分
岐器のハウジングの一部とこれに突設された前記取付座
とでＣＡＴＶ用分岐分配器の下向き凹部を閉蓋すると共
に、前記複数列の接栓座の取付座下方への突き出し長を
前記一外側壁から遠ざかるほど段階的に短くしたことを
特徴とする電話回線付きＣＡＴＶ用分岐分配器。1. A CAT having a messenger wire mounting portion on an upper surface side of a housing and a plurality of rows of plug seats on a lower surface side.
In a CATV branch / distributor having a telephone line branch attached to a V branch / divider, a telephone line branch
Is a branch distributor for CATV on one outer wall of its housing
A mounting seat with multiple rows of plug seats
Part of the housing of the bridge and the mounting seat protruding therefrom
And closing the downward recess of the CATV branch distributor
The length of the plurality of rows of plug seats protruding downward from the mounting seat is gradually reduced as the distance from the outer wall increases.
向き凹部を当該ハウジングにヒンジ連結したカバーで閉
蓋した請求項１記載の電話回線付きＣＡＴＶ用分岐分配
器。2. The branch distributor for a CATV with a telephone line according to claim 1, wherein the lower part of the housing of the telephone line branch is closed by a cover hinged to the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32043297A JP3303126B2 (en) | 1997-11-05 | 1997-11-05 | Branch distributor for CATV with telephone line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32043297A JP3303126B2 (en) | 1997-11-05 | 1997-11-05 | Branch distributor for CATV with telephone line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11146225A JPH11146225A (en) | 1999-05-28 |
| JP3303126B2 true JP3303126B2 (en) | 2002-07-15 |
Family
ID=18121390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32043297A Expired - Fee Related JP3303126B2 (en) | 1997-11-05 | 1997-11-05 | Branch distributor for CATV with telephone line |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3303126B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002204435A (en) * | 2000-12-28 | 2002-07-19 | Miharu Communications Co Ltd | Catv branching device with power distribution unit connection terminal |
-
1997
- 1997-11-05 JP JP32043297A patent/JP3303126B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11146225A (en) | 1999-05-28 |
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