JPH02118414U - - Google Patents
Info
- Publication number
- JPH02118414U JPH02118414U JP2384289U JP2384289U JPH02118414U JP H02118414 U JPH02118414 U JP H02118414U JP 2384289 U JP2384289 U JP 2384289U JP 2384289 U JP2384289 U JP 2384289U JP H02118414 U JPH02118414 U JP H02118414U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- predetermined time
- pulses per
- transmitter
- output terminal
- 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
- 238000010586 diagram Methods 0.000 description 9
- 239000013078 crystal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Processing Of Terminals (AREA)
Description
第１図は本考案に係るケーブルサーチヤーのブ
ロツク構成図、第２図は第１図に示したケーブル
サーチヤーの使用説明図、第３図は第１図に示し
た送信器の回路図、第４図ａ〜ｆは第３図に示し
た分周回路が出力する信号の波形図、第５図ａ〜
ｔは第３図に示した変調信号出力回路が出力する
変調信号の波形図、第６図は第１図に示した受信
器の回路図、第７図ａ〜ｄは第６図に示した分周
回路が出力する信号の波形図、第８図ａ，ｂ，ｃ
は入力回路、カウント開始調整回路及び基準信号
カウント回路が出力する信号の波形図である。
１０……発信器、１１，２１……発振回路、１
２，２２……水晶振動子、１３，２３……分周回
路、１４……変調信号出力回路、１５……変調回
路、１６……出力回路、２０……受信器、２４…
…ノイズ除去回路、２５……入力回路、２６……
カウント開始調整回路、２７……基準信号カウン
ト回路、２８……表示信号カウント回路、２９…
…表示回路。
FIG. 1 is a block diagram of the cable searcher according to the present invention, FIG. 2 is an explanatory diagram of the use of the cable searcher shown in FIG. 1, and FIG. 3 is a circuit diagram of the transmitter shown in FIG. 1. Figures 4a to 4f are waveform diagrams of signals output by the frequency divider circuit shown in Figure 3, and Figures 5a to 5f are waveform diagrams of signals output by the frequency dividing circuit shown in Figure 3.
t is a waveform diagram of the modulated signal output by the modulated signal output circuit shown in Figure 3, Figure 6 is the circuit diagram of the receiver shown in Figure 1, and Figures 7 a to d are shown in Figure 6. Waveform diagram of the signal output by the frequency dividing circuit, Figure 8 a, b, c
is a waveform diagram of signals output from the input circuit, the count start adjustment circuit, and the reference signal count circuit. 10... oscillator, 11, 21... oscillation circuit, 1
2, 22... Crystal resonator, 13, 23... Frequency dividing circuit, 14... Modulation signal output circuit, 15... Modulation circuit, 16... Output circuit, 20... Receiver, 24...
...Noise removal circuit, 25...Input circuit, 26...
Count start adjustment circuit, 27...Reference signal count circuit, 28...Display signal count circuit, 29...
...Display circuit.
Claims (1)
ルス数の異なるパルス出力を出力する発信器と、 入力部から入力されるパルス信号の所定時間あ
たりのパルス数をカウントし、該カウント値が前
記発信器のいずれかの出力端子からの前記所定時
間あたりのパルス数に対応するとき、対応する出
力端子を表示する受信器とを備えたことを特徴と
するケーブルサーチヤー。[Scope of claim for utility model registration] An oscillator that outputs pulse outputs with different numbers of pulses per predetermined time to a plurality of output terminals, and a transmitter that counts the number of pulses per predetermined time of a pulse signal input from an input section, A cable searcher comprising: a receiver that displays a corresponding output terminal when the count value corresponds to the number of pulses per the predetermined time from any output terminal of the transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2384289U JPH02118414U (en) | 1989-03-03 | 1989-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2384289U JPH02118414U (en) | 1989-03-03 | 1989-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02118414U true JPH02118414U (en) | 1990-09-21 |
Family
ID=31243176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2384289U Pending JPH02118414U (en) | 1989-03-03 | 1989-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118414U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001333514A (en) * | 2000-05-22 | 2001-11-30 | Tempearl Ind Co Ltd | Checking device for branch circuit connection in distribution board |
| JP2006053006A (en) * | 2004-08-11 | 2006-02-23 | Tempearl Ind Co Ltd | Method and apparatus for checking wiring connection of earthing-type wall socket |
-
1989
- 1989-03-03 JP JP2384289U patent/JPH02118414U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001333514A (en) * | 2000-05-22 | 2001-11-30 | Tempearl Ind Co Ltd | Checking device for branch circuit connection in distribution board |
| JP4656694B2 (en) * | 2000-05-22 | 2011-03-23 | テンパール工業株式会社 | Branch circuit connection check device for distribution board |
| JP2006053006A (en) * | 2004-08-11 | 2006-02-23 | Tempearl Ind Co Ltd | Method and apparatus for checking wiring connection of earthing-type wall socket |
| JP4500130B2 (en) * | 2004-08-11 | 2010-07-14 | テンパール工業株式会社 | Method and apparatus for checking wiring connection of outlet with ground electrode |
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