JPH0230063U - - Google Patents
Info
- Publication number
- JPH0230063U JPH0230063U JP1988107403U JP10740388U JPH0230063U JP H0230063 U JPH0230063 U JP H0230063U JP 1988107403 U JP1988107403 U JP 1988107403U JP 10740388 U JP10740388 U JP 10740388U JP H0230063 U JPH0230063 U JP H0230063U
- Authority
- JP
- Japan
- Prior art keywords
- communication equipment
- clock
- detecting
- retriggered
- multivibrator
- 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 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Description
第１図は本考案実施例における通信機器の動作
開始検知装置の回路図、第２図は同じくクロツク
と出力の関係を示すタイムチヤート図、第３図
は同じくコントローラと組合わせた状態のブロツ
ク図、第４図は同じく発光ダイオードと組み合わ
せた状態の回路図である。
１：リトリガブルモノマルチ、６：被試験物、
７：コントローラ、９：発光ダイオード。
Fig. 1 is a circuit diagram of a device for detecting the start of operation of communication equipment according to an embodiment of the present invention, Fig. 2 is a time chart showing the relationship between the clock and output, and Fig. 3 is a block diagram of the device in combination with a controller. , FIG. 4 is a circuit diagram of the same combination with a light emitting diode. 1: Retriggerable monomulti, 6: Test object,
7: Controller, 9: Light emitting diode.
Claims (1)
であつて、上記通信機器からのクロツクソースを
入力し、パルス出力巾ｔを上記通信機器からのク
ロツクτに対してτ＜ｔ＜２τとなるように設定
し、リトリガブルなモノマルチバイブレータを備
えたことを特徴とする通信機器の動作開始検知装
置。 A detection device used for testing electrical characteristics of communication equipment, which inputs a clock source from the communication equipment and sets the pulse output width t such that τ<t<2τ with respect to the clock τ from the communication equipment. A device for detecting the start of operation of communication equipment, characterized in that it is equipped with a mono-multivibrator that can be set and retriggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988107403U JPH0230063U (en) | 1988-08-16 | 1988-08-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988107403U JPH0230063U (en) | 1988-08-16 | 1988-08-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0230063U true JPH0230063U (en) | 1990-02-26 |
Family
ID=31341785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988107403U Pending JPH0230063U (en) | 1988-08-16 | 1988-08-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230063U (en) |
-
1988
- 1988-08-16 JP JP1988107403U patent/JPH0230063U/ja active Pending
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