JPH0481063U - - Google Patents
Info
- Publication number
- JPH0481063U JPH0481063U JP12434490U JP12434490U JPH0481063U JP H0481063 U JPH0481063 U JP H0481063U JP 12434490 U JP12434490 U JP 12434490U JP 12434490 U JP12434490 U JP 12434490U JP H0481063 U JPH0481063 U JP H0481063U
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- circuit
- input
- period
- utility
- 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 5
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Manipulation Of Pulses (AREA)
- Measuring Phase Differences (AREA)
Description
第１図は本考案の一実施例の四倍周回路を用い
たパルス入力ブロツク図、第２図は本考案の実施
例である四倍周回路図、第３図および第４図は本
考案による四倍周回路を用いたパルス入力回路に
おけるパルスカウントの動作図、第５図は従来の
パルス入力ブロツク図、第６図および第７図は従
来のパルス入力回路におけるパルスカウントの動
作図である。
５……四倍周回路、６……位相回路（９０°遅
れ）、７，８……反転器、１０……パルス変換回
路、Ｔ……パルス数測定時間、ｆ……入力周波数
。
Fig. 1 is a pulse input block diagram using a quadruple frequency circuit according to an embodiment of the present invention, Fig. 2 is a quadruple frequency circuit diagram according to an embodiment of the present invention, and Figs. 3 and 4 are diagrams according to the present invention. Figure 5 is a conventional pulse input block diagram, and Figures 6 and 7 are diagrams of pulse counting operation in a conventional pulse input circuit. . 5... Quadruple frequency circuit, 6... Phase circuit (90° delay), 7, 8... Inverter, 10... Pulse conversion circuit, T... Pulse number measurement time, f... Input frequency.
Claims (1)
より、入力パルスの一周期以下のパルスカウント
を可能とすることを特徴とするパルス入力回路。 A pulse input circuit characterized in that it is possible to count pulses of one period or less of an input pulse by using a frequency doubler circuit having a plurality of phase circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12434490U JPH0481063U (en) | 1990-11-28 | 1990-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12434490U JPH0481063U (en) | 1990-11-28 | 1990-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0481063U true JPH0481063U (en) | 1992-07-15 |
Family
ID=31872002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12434490U Pending JPH0481063U (en) | 1990-11-28 | 1990-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0481063U (en) |
-
1990
- 1990-11-28 JP JP12434490U patent/JPH0481063U/ja active Pending