JPS5640718A - Output voltage averaging unit for sensor for automobile - Google Patents
Output voltage averaging unit for sensor for automobileInfo
- Publication number
- JPS5640718A JPS5640718A JP11597079A JP11597079A JPS5640718A JP S5640718 A JPS5640718 A JP S5640718A JP 11597079 A JP11597079 A JP 11597079A JP 11597079 A JP11597079 A JP 11597079A JP S5640718 A JPS5640718 A JP S5640718A
- Authority
- JP
- Japan
- Prior art keywords
- output
- sensor
- input
- pulsation
- comparator
- 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.)
- Granted
Links
Landscapes
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Measuring Volume Flow (AREA)
Abstract
PURPOSE: To obtain the unit with good response, by performing sampling at the crossing of the output signal of sensor and the pulsation averaging signal through the use of pulsation sampling signal at the superposition of pulsive voltage.
CONSTITUTION: The output of heat wave type air flow rate sensor etc. 15 is input to the maximum, minimum peak hold circuits 2, 3 via the amplifier 1, and the output is input to the analog switch 12 and AND circuit 11 via the differential amplifier 5 and comparator 7. On the other hand, the output of the amplifier 1 and the output at the neutral point A' of the maximum, minimum peak hold circuit are input to the comparator 8, and the output is input to the AND circuit 11. Further, even if the pulsation shown as figure A' is taken place at the sensor 15, the analog switch 12 supplies the pulsation cycle pulse I to the A-D converter 14 in place of the pulse H of the clock generator 13 with the output E of the comparator 7 for sampling for stable output control of sensor.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11597079A JPS5640718A (en) | 1979-09-10 | 1979-09-10 | Output voltage averaging unit for sensor for automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11597079A JPS5640718A (en) | 1979-09-10 | 1979-09-10 | Output voltage averaging unit for sensor for automobile |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5640718A true JPS5640718A (en) | 1981-04-17 |
JPS6150242B2 JPS6150242B2 (en) | 1986-11-04 |
Family
ID=14675635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11597079A Granted JPS5640718A (en) | 1979-09-10 | 1979-09-10 | Output voltage averaging unit for sensor for automobile |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5640718A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5939937A (en) * | 1982-08-30 | 1984-03-05 | Nissan Motor Co Ltd | Air-fuel ratio controller for engine |
JP2009031195A (en) * | 2007-07-30 | 2009-02-12 | Canon Inc | Electronic device |
WO2019087609A1 (en) * | 2017-11-02 | 2019-05-09 | 日立オートモティブシステムズ株式会社 | Gas sensor device |
-
1979
- 1979-09-10 JP JP11597079A patent/JPS5640718A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5939937A (en) * | 1982-08-30 | 1984-03-05 | Nissan Motor Co Ltd | Air-fuel ratio controller for engine |
JP2009031195A (en) * | 2007-07-30 | 2009-02-12 | Canon Inc | Electronic device |
WO2019087609A1 (en) * | 2017-11-02 | 2019-05-09 | 日立オートモティブシステムズ株式会社 | Gas sensor device |
JP2019086313A (en) * | 2017-11-02 | 2019-06-06 | 日立オートモティブシステムズ株式会社 | Gas sensor device |
Also Published As
Publication number | Publication date |
---|---|
JPS6150242B2 (en) | 1986-11-04 |
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