JPS51114169A - Device for operating frequency - Google Patents
Device for operating frequencyInfo
- Publication number
- JPS51114169A JPS51114169A JP3948275A JP3948275A JPS51114169A JP S51114169 A JPS51114169 A JP S51114169A JP 3948275 A JP3948275 A JP 3948275A JP 3948275 A JP3948275 A JP 3948275A JP S51114169 A JPS51114169 A JP S51114169A
- Authority
- JP
- Japan
- Prior art keywords
- operating frequency
- frequency
- flactuations
- rotations
- establish
- 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
Abstract
PURPOSE: To establish a device of operating frequency in proportion to the number of rotations of an engine, a wheel etc., nature of response by providing fixed period for calculating time and also to prevent big errors in a wide range of frequency flactuations.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3948275A JPS51114169A (en) | 1975-03-31 | 1975-03-31 | Device for operating frequency |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3948275A JPS51114169A (en) | 1975-03-31 | 1975-03-31 | Device for operating frequency |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51114169A true JPS51114169A (en) | 1976-10-07 |
Family
ID=12554268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3948275A Pending JPS51114169A (en) | 1975-03-31 | 1975-03-31 | Device for operating frequency |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51114169A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56107162A (en) * | 1980-01-31 | 1981-08-25 | Ogasawara Keiki Seisakusho:Kk | Periodical measurenent-type wind velocity measurement |
JPS5862569A (en) * | 1981-10-12 | 1983-04-14 | Mitsubishi Electric Corp | Rotational speed detector |
JPS5956167A (en) * | 1982-09-25 | 1984-03-31 | Matsushita Electric Works Ltd | Revolution speed detector |
JPS603555A (en) * | 1983-06-21 | 1985-01-09 | Fujitsu Ltd | Input processing system of impulsive signal |
JPS61270662A (en) * | 1985-05-24 | 1986-11-29 | Pioneer Electronic Corp | Detecting device for rotating speed |
JPS61284664A (en) * | 1985-06-11 | 1986-12-15 | Toyota Motor Corp | Measuring method for rotational frequency |
JPH06258410A (en) * | 1982-09-29 | 1994-09-16 | Sony Corp | Remaining capacity of battery display device |
JP2015072309A (en) * | 2013-10-01 | 2015-04-16 | 株式会社リコー | Frequency calculation apparatus, image forming apparatus, and frequency calculation method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5025828A (en) * | 1973-07-10 | 1975-03-18 |
-
1975
- 1975-03-31 JP JP3948275A patent/JPS51114169A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5025828A (en) * | 1973-07-10 | 1975-03-18 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56107162A (en) * | 1980-01-31 | 1981-08-25 | Ogasawara Keiki Seisakusho:Kk | Periodical measurenent-type wind velocity measurement |
JPS5862569A (en) * | 1981-10-12 | 1983-04-14 | Mitsubishi Electric Corp | Rotational speed detector |
JPS5956167A (en) * | 1982-09-25 | 1984-03-31 | Matsushita Electric Works Ltd | Revolution speed detector |
JPH06258410A (en) * | 1982-09-29 | 1994-09-16 | Sony Corp | Remaining capacity of battery display device |
JPS603555A (en) * | 1983-06-21 | 1985-01-09 | Fujitsu Ltd | Input processing system of impulsive signal |
JPS61270662A (en) * | 1985-05-24 | 1986-11-29 | Pioneer Electronic Corp | Detecting device for rotating speed |
JPS61284664A (en) * | 1985-06-11 | 1986-12-15 | Toyota Motor Corp | Measuring method for rotational frequency |
JP2015072309A (en) * | 2013-10-01 | 2015-04-16 | 株式会社リコー | Frequency calculation apparatus, image forming apparatus, and frequency calculation method |
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