JPH01131875U - - Google Patents
Info
- Publication number
- JPH01131875U JPH01131875U JP2816188U JP2816188U JPH01131875U JP H01131875 U JPH01131875 U JP H01131875U JP 2816188 U JP2816188 U JP 2816188U JP 2816188 U JP2816188 U JP 2816188U JP H01131875 U JPH01131875 U JP H01131875U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- diode
- ignition
- signal detection
- detection circuit
- 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 description 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図はこの考案の一実施例による点火信号検
出回路図、第２図は第１図の各部の動作波形図、
第３図は従来の点火信号検出回路図、第４図は点
火信号回路の出力波形図である。
図において、８……第１の抵抗、９……第２の
抵抗、１３……パルス発生回路、１４……第１の
ダイオード、１５……第２のダイオード、１６…
…カレントミラー回路、２０……点火装置である
。なお、各図中同一符号は同一又は相当部分を示
す。
Fig. 1 is an ignition signal detection circuit diagram according to an embodiment of this invention, Fig. 2 is an operation waveform diagram of each part of Fig. 1,
FIG. 3 is a diagram of a conventional ignition signal detection circuit, and FIG. 4 is an output waveform diagram of the ignition signal circuit. In the figure, 8...first resistor, 9...second resistor, 13...pulse generation circuit, 14...first diode, 15...second diode, 16...
...Current mirror circuit, 20...Ignition device. Note that the same reference numerals in each figure indicate the same or corresponding parts.
補正 昭６３．７．２６
図面の簡単な説明を次のように補正する。
明細書第１０頁第３行「９」を「１０」と補正
する。Amendment July 26, 1981 The brief description of the drawing is amended as follows. The number "9" in the third line of page 10 of the specification is corrected to "10".
Claims (1)
する各パワートランジスタを有する点火装置から
の複数の出力信号を入力するための複数の入力端
子を有し、その各入力端子と接続される抵抗とダ
イオードとの直列回路を複数含み、前記ダイオー
ドの各陰極とを接続し、各入力信号を合成するよ
うにしたオア回路と、入力側が前記ダイオードの
各陽極と接続されるカレントミラー回路と、前記
オア回路と接続される出力回路とを備えたことを
特徴とする点火信号検出回路。 It has a plurality of input terminals for inputting a plurality of output signals from an ignition device having a plurality of ignition coils and power transistors that intermittently control the primary side current thereof, and a resistor and a diode connected to each of the input terminals. an OR circuit including a plurality of series circuits connected to each cathode of the diode to synthesize each input signal, a current mirror circuit whose input side is connected to each anode of the diode, and the OR circuit. An ignition signal detection circuit comprising: and an output circuit connected to the ignition signal detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2816188U JPH01131875U (en) | 1988-03-04 | 1988-03-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2816188U JPH01131875U (en) | 1988-03-04 | 1988-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01131875U true JPH01131875U (en) | 1989-09-07 |
Family
ID=31251291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2816188U Pending JPH01131875U (en) | 1988-03-04 | 1988-03-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01131875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021195894A (en) * | 2020-06-12 | 2021-12-27 | 三菱電機株式会社 | Ignition device |
-
1988
- 1988-03-04 JP JP2816188U patent/JPH01131875U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021195894A (en) * | 2020-06-12 | 2021-12-27 | 三菱電機株式会社 | Ignition device |
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