JPH0418310Y2 - - Google Patents
Info
- Publication number
- JPH0418310Y2 JPH0418310Y2 JP18983085U JP18983085U JPH0418310Y2 JP H0418310 Y2 JPH0418310 Y2 JP H0418310Y2 JP 18983085 U JP18983085 U JP 18983085U JP 18983085 U JP18983085 U JP 18983085U JP H0418310 Y2 JPH0418310 Y2 JP H0418310Y2
- Authority
- JP
- Japan
- Prior art keywords
- video
- signal
- processing circuit
- terminal
- magnetic recording
- 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
- 230000005236 sound signal Effects 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000004899 c-terminal region Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案はビデオテープレコーダー等に使用で
き、そのビデオテープレコーダーの生産工程にお
いて、映像信号又は音声信号を接続して調整や検
査をより効果的に行なうことができる磁気記録再
生装置に関するものである。[Detailed description of the invention] Industrial application field The invention can be used for video tape recorders, etc., and in the production process of the video tape recorder, adjustment and inspection can be performed more effectively by connecting video signals or audio signals. The present invention relates to a magnetic recording/reproducing device that can perform
従来の技術
従来は、磁気記録再生装置の生産工程におい
て、映像や音声信号を接続して、調整や検査を行
なう時には、脱着自在の接続端子を実際に接続し
ていた。BACKGROUND ART Conventionally, in the production process of magnetic recording and reproducing devices, when connecting video and audio signals and performing adjustments and inspections, detachable connection terminals were actually connected.
以下、第２図を用いて従来の磁気記録再生装置
について説明する。 A conventional magnetic recording/reproducing device will be described below with reference to FIG.
図中、１はテレビジヨンデモジユレータービデ
オ信号発生器であり、その出力信号はスイツチ付
接栓２のａ端子に接続されている。ａ端子は通常
時、ｆ接点を介してｂ端子に接続されており、テ
レビジヨンデモジユレータービデオ信号発生器１
からの出力信号はａ端子、ｂ端子を介して、映像
信号処理回路４に入力される。なお３は75Ωの終
端抵抗である。ここで、テレビジヨンデモジユレ
ータービデオ信号発生器１、スイツチ付接栓２，
75Ω終端抵抗３、映像信号処理回路４は磁気記録
再生装置であるビデオテープレコーダー（以下
VTRと称す）８に収納されている。 In the figure, reference numeral 1 denotes a television demodulator video signal generator, the output signal of which is connected to the a terminal of a switch plug 2. Normally, the a terminal is connected to the b terminal via the f contact, and the television demodulator video signal generator 1
The output signal is input to the video signal processing circuit 4 via the a terminal and the b terminal. Note that 3 is a 75Ω terminating resistor. Here, a television demodulator video signal generator 1, a plug with a switch 2,
A 75Ω terminating resistor 3 and a video signal processing circuit 4 are connected to a video tape recorder (hereinafter referred to as a magnetic recording/reproducing device).
(referred to as VTR) 8.
以上のように構成された磁気記録再生装置につ
いて、その動作を説明する。 The operation of the magnetic recording and reproducing apparatus configured as described above will be explained.
磁気記録再生装置の映像信号や音声信号回路系
の調整や検査を行なう時、調整用信号源９からの
接栓ｄ，ｅをスイツチ付接栓２の端子ｂ，ｃに接
続すべく挿入する。挿入すると、ｂ端子の先端部
が図中、下方向にたわみ、ａ端子とｂ端子との接
続は離間される。ここで、接栓ｅはＣ端子と接続
され、アースに落とされる。従つて、テレビジヨ
ンデモジユレータービデオ信号発生器１からの信
号が断たれ、調整用信号源９からの映像又は音声
信号がｂ端子を介して、映像信号処理回路４に入
力される。 When adjusting or inspecting the video signal or audio signal circuit system of the magnetic recording/reproducing device, the connectors d and e from the adjustment signal source 9 are inserted to connect to the terminals b and c of the switch connector 2. When inserted, the tip of the b terminal bends downward in the figure, and the connections between the a and b terminals are separated. Here, the plug e is connected to the C terminal and grounded. Therefore, the signal from the television demodulator video signal generator 1 is cut off, and the video or audio signal from the adjustment signal source 9 is input to the video signal processing circuit 4 via the b terminal.
考案が解決しようとする問題点
しかしながら上記のような構成では磁気記録再
生装置の生産工程において、各種の接栓類を挿入
したり抜去したりという作業が発生し、中には回
しながら、押し込み、回しながら抜くという作業
を要する接栓もあり、時間がかかる。また実際の
接栓類を自動機にて、接続したり、はずしたりす
るにも、位置決めなどの面でかなり困難である。Problems to be Solved by the Invention However, with the above configuration, the work of inserting and removing various connectors occurs during the production process of magnetic recording and reproducing devices. Some connectors require turning and unplugging them, which takes time. Furthermore, it is quite difficult to connect and disconnect actual plugs using an automatic machine in terms of positioning.
本考案は上記問題点に鑑み、映像信号や音声信
号の入力ラインに、直列に、かつ両端に治具ピン
との接続用ラムンド部を有する抵抗を設けること
により、接栓類の接続を廃止し、自動機での接続
を可能とするようにした磁気記録再生装置を提供
するものである。 In view of the above-mentioned problems, the present invention eliminates the need for connecting plugs by providing a resistor in series with the input line of the video signal and audio signal, and having a ramp for connecting to the jig pin at both ends. The present invention provides a magnetic recording/reproducing device that can be connected to an automatic machine.
問題点を解決するための手段
上記問題点を解決するために本考案は脱着自在
の接続端子のオス側をメス側に挿入時、あらかじ
め挿入前に接続されていた信号が、はずれて、オ
ス側接栓からの信号が接続される機構的スイツチ
付接栓類のメス側と、そのメス側接栓のスイツチ
と、映像又は音声信号処理回路との間に配され、
かつ両端に外部端子接続用のラウンド部を備えた
直列抵抗とを有し、この直列抵抗のメス側接栓側
のラウンド部に調整用信号源のアース端子を接続
可能とすると共に、映像又は音声信号処理回路側
のラウンド部に調整用信号源を接続できるように
した構成を備えたものである。Means for Solving the Problems In order to solve the above problems, the present invention provides a method in which when the male side of a removable connection terminal is inserted into the female side, the signal that was connected before the insertion is disconnected and the male side Disposed between the female side of a connector with a mechanical switch to which the signal from the connector is connected, the switch of the female side connector, and a video or audio signal processing circuit,
It also has a series resistor with a round part for external terminal connection at both ends, and the ground terminal of the adjustment signal source can be connected to the round part on the female side plug side of this series resistor. It has a configuration in which an adjustment signal source can be connected to the round part on the signal processing circuit side.
作 用
本考案は上記した構成により、実際に磁気記録
画再生装置に、映像信号や音声信号の接栓類を接
続することなく入力することができ、生産工程の
省力化、時間の短縮が可能になる。Effects With the above-described configuration, the present invention can actually input video signals and audio signals to the magnetic recording image reproducing device without connecting any connectors, making it possible to save labor and time in the production process. become.
実施例
以下に本考案の磁気記録再生装置の一実施例を
第１図に基づいて説明を行なう。なお、前述の第
２図と同一構成要素には同一番号を付与する。Embodiment An embodiment of the magnetic recording/reproducing apparatus of the present invention will be described below with reference to FIG. Note that the same components as in FIG. 2 described above are given the same numbers.
通常、入力の接栓が挿入されない場合は、TV
デモジユレータービデオ信号発生器１からの信号
が、スイツチ付接栓２の端子ａに接続されてお
り、接点ｆを経由して、端子ｂより入力され、
75Ω終端抵抗３にて経端される。この経端された
映像信号は、75Ω直列抵抗７を通つて映像信号処
理回路４に入る。映像信号処理回路４のの入力イ
ンピーダンスは充分大きいので、75Ω直列抵抗７
により映像信号のレベルが下がるということはな
い。ここで入力信号治具６を75Ω直列抵抗７の両
端に形成されている接続用ラウンド部１０に治具
ピンにて接続し、スイツチ付接栓２側をアースに
落す。このようにすれば、TVデモジユレーター
ビデオ信号発生器１からの信号がアースされ、
VTRの調整や検査に必要なビデオ信号が収納さ
れている調整用信号源９からの信号が入力信号治
具６より入力され、75Ω直列抵抗７により終端さ
れて映像信号処理回路４に供給される。 Normally, if the input connector is not inserted, the TV
A signal from a demodulator video signal generator 1 is connected to a terminal a of a switch plug 2, and is inputted from a terminal b via a contact f.
It is terminated with 75Ω termination resistor 3. This terminated video signal enters the video signal processing circuit 4 through a 75Ω series resistor 7. Since the input impedance of the video signal processing circuit 4 is sufficiently large, a 75Ω series resistor 7
Therefore, the level of the video signal does not decrease. Here, the input signal jig 6 is connected to the connecting round portions 10 formed at both ends of the 75Ω series resistor 7 using jig pins, and the switch plug 2 side is grounded. In this way, the signal from the TV demodulator video signal generator 1 is grounded,
A signal from an adjustment signal source 9 containing video signals necessary for VTR adjustment and inspection is inputted from an input signal jig 6, terminated by a 75Ω series resistor 7, and supplied to a video signal processing circuit 4. .
以上は、映像信号の場合について述べたが、音
声信号の場合にも、入力信号ラインに直列に抵抗
を追加し、治具より、調整や検査に必要な信号を
送り込むことが出来る。 The above has been described in the case of video signals, but in the case of audio signals as well, it is possible to add a resistor in series to the input signal line and send the signals necessary for adjustment and inspection from the jig.
なお、75Ω直列抵抗７は入力インピーダンス比
0.5dB以下の抵抗値であれば良い。 In addition, the 75Ω series resistor 7 is the input impedance ratio
It is sufficient if the resistance value is 0.5dB or less.
考案の効果
本考案により、磁気記録再生装置の生産工程に
おいて、実際に接栓類を接続することなしに、外
部端子接続用のラウンド部から必要な信号を入力
することが可能となり、自動機による接続が可能
となり生産工数の削減、調整時間の短縮を図るこ
とができない。Effects of the invention This invention makes it possible to input necessary signals from the round part for external terminal connection in the production process of magnetic recording and reproducing devices without actually connecting plugs, and it is possible to input necessary signals from the round part for external terminal connection. Since connection is possible, it is not possible to reduce production man-hours and adjustment time.
第１図は本考案の磁気記録再生装置の一実施例
を示す要部ブロツク図、第２図は従来の磁気記録
再生装置を示す要部ブロツク図である。
１……TVデモジユレータービデオ信号発生
器、２……スイツチ付接栓、４……映像信号処理
回路、６……入力信号治具、７……75Ω直列抵
抗、１０……ラウンド部。
FIG. 1 is a block diagram of the main parts of an embodiment of the magnetic recording/reproducing apparatus of the present invention, and FIG. 2 is a block diagram of the main parts of a conventional magnetic recording/reproducing apparatus. 1... TV demodulator video signal generator, 2... Junction with switch, 4... Video signal processing circuit, 6... Input signal jig, 7... 75Ω series resistor, 10... Round part.
Claims (1)
あらかじめ挿入前に接続されていた信号が、はず
れて、オス側接栓からの信号が接続される機構的
なスイツチ付接栓類のメス側と、そのメス側接栓
のスイツチと、映像又は音声信号処理回路との間
に配され、かつ両端に外部端子接続用のラウンド
部を備えた直列抵抗とを有してなり、この直列抵
抗のメス側接栓側のラウンド部に調整用信号源の
アース端子を接続可能とすると共に、映像又は音
声信号処理回路側のラウンド部に調整用信号源の
信号を接続できるように構成したことを特徴とす
る磁気記録再生装置。 When inserting the male side of a removable connection terminal into the female side, the signal that was connected before insertion is disconnected, and the signal from the male side connector is connected to the female side of the connector with a mechanical switch. and a series resistor disposed between the switch of the female side plug and the video or audio signal processing circuit, and having a round part for external terminal connection at both ends. The ground terminal of the adjustment signal source can be connected to the round part on the female side plug side, and the signal of the adjustment signal source can be connected to the round part on the video or audio signal processing circuit side. A magnetic recording and reproducing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18983085U JPH0418310Y2 (en) | 1985-12-10 | 1985-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18983085U JPH0418310Y2 (en) | 1985-12-10 | 1985-12-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6298391U JPS6298391U (en) | 1987-06-23 |
| JPH0418310Y2 true JPH0418310Y2 (en) | 1992-04-23 |
Family
ID=31142479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18983085U Expired JPH0418310Y2 (en) | 1985-12-10 | 1985-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0418310Y2 (en) |
-
1985
- 1985-12-10 JP JP18983085U patent/JPH0418310Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6298391U (en) | 1987-06-23 |
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