JPS6450335U - - Google Patents
Info
- Publication number
- JPS6450335U JPS6450335U JP14516387U JP14516387U JPS6450335U JP S6450335 U JPS6450335 U JP S6450335U JP 14516387 U JP14516387 U JP 14516387U JP 14516387 U JP14516387 U JP 14516387U JP S6450335 U JPS6450335 U JP S6450335U
- Authority
- JP
- Japan
- Prior art keywords
- input
- cylinder pressure
- charge signal
- cylinder
- filter
- 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 8
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図はこの考案のクレーム対応図、第２図は
この考案の一実施例の回路構成図、第３図はこの
実施例のフイルタのゲイン特性図、第４図はこの
実施例のマルチプレクサの出力波形図である。第
５図は従来例のセンサ本体の等価回路図、第６図
は同じく従来例の回路構成図、第７図は従来例の
チヤージアンプのゲイン特性図である。
１，２…センサ本体、５…マルチプレクサ、１
１，１２…センサ本体、１３，１４…低域通過フ
イルタ、１５…マルチプレクサ、１６，１７…高
抵抗、２１，２２…低域通過フイルタ、２３，２
４…高抵抗。
Fig. 1 is a diagram corresponding to claims of this invention, Fig. 2 is a circuit configuration diagram of an embodiment of this invention, Fig. 3 is a gain characteristic diagram of a filter of this embodiment, and Fig. 4 is a diagram of a multiplexer of this embodiment. It is an output waveform diagram. FIG. 5 is an equivalent circuit diagram of a conventional sensor main body, FIG. 6 is a circuit configuration diagram of the conventional example, and FIG. 7 is a gain characteristic diagram of a conventional charge amplifier. 1, 2...Sensor body, 5...Multiplexer, 1
1, 12... Sensor body, 13, 14... Low pass filter, 15... Multiplexer, 16, 17... High resistance, 21, 22... Low pass filter, 23, 2
4...High resistance.
Claims (1)
体を各気筒に設ける一方、この電荷信号を低域通
過フイルタを介してマルチプレクサに入力させ、
当該入力信号を所定のタイミングで切換えて使用
する筒内圧センサの入力回路において、前記フイ
ルタの出力を高抵抗を介して接地するようにした
ことを特徴とする筒内圧センサの入力回路。 Each cylinder is provided with a sensor body that generates a charge signal proportional to the in-cylinder pressure, and this charge signal is input to a multiplexer via a low-pass filter.
An input circuit for a cylinder pressure sensor that uses the input signal by switching it at a predetermined timing, wherein the output of the filter is grounded through a high resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14516387U JPS6450335U (en) | 1987-09-22 | 1987-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14516387U JPS6450335U (en) | 1987-09-22 | 1987-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6450335U true JPS6450335U (en) | 1989-03-28 |
Family
ID=31413514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14516387U Pending JPS6450335U (en) | 1987-09-22 | 1987-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6450335U (en) |
-
1987
- 1987-09-22 JP JP14516387U patent/JPS6450335U/ja active Pending