SE379862B - - Google Patents
Info
- Publication number
- SE379862B SE379862B SE7401611A SE7401611A SE379862B SE 379862 B SE379862 B SE 379862B SE 7401611 A SE7401611 A SE 7401611A SE 7401611 A SE7401611 A SE 7401611A SE 379862 B SE379862 B SE 379862B
- Authority
- SE
- Sweden
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
- G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/489—Digital circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7401611A SE379862B (US20080293856A1-20081127-C00150.png) | 1974-02-07 | 1974-02-07 | |
| US537782A US3930199A (en) | 1974-02-07 | 1974-12-31 | Means for determining frequency |
| DE2502873A DE2502873C2 (de) | 1974-02-07 | 1975-01-24 | Anordnung zur digitalen Messung der Frequenz einer Impulsfolge |
| JP50015240A JPS5748744B2 (US20080293856A1-20081127-C00150.png) | 1974-02-07 | 1975-02-05 | |
| GB5054/75A GB1489491A (en) | 1974-02-07 | 1975-02-06 | Frequency or speed determining means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7401611A SE379862B (US20080293856A1-20081127-C00150.png) | 1974-02-07 | 1974-02-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7401611L SE7401611L (US20080293856A1-20081127-C00150.png) | 1975-08-08 |
| SE379862B true SE379862B (US20080293856A1-20081127-C00150.png) | 1975-10-20 |
Family
ID=20320134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7401611A SE379862B (US20080293856A1-20081127-C00150.png) | 1974-02-07 | 1974-02-07 |
Country Status (5)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1525570A (en) * | 1974-11-21 | 1978-09-20 | Lucas Industries Ltd | Apparatus for generating a digital count proportional to an input frequency |
| US4027146A (en) * | 1976-03-23 | 1977-05-31 | Heath Company | High speed accurate low frequency counter |
| SU1206968A1 (ru) * | 1976-05-24 | 1986-01-23 | Всесоюзный научно-исследовательский институт природных газов | Детектор частотно-манипулированных сигналов |
| DE2941697A1 (de) * | 1979-10-15 | 1981-04-30 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen | Verfahren und einrichtung zur messung der frequenz einer impulsfolge |
| WO1983002828A1 (en) * | 1979-12-05 | 1983-08-18 | Hoffman, John, P. | Frequency signal conversion apparatus and method |
| US4383303A (en) * | 1980-03-07 | 1983-05-10 | Caterpillar Tractor Co. | Frequency signal conversion apparatus and method |
| DE3025356A1 (de) * | 1980-07-04 | 1982-01-21 | Deutsche Itt Industries Gmbh, 7800 Freiburg | Schaltungsanordnung zur digitalen phasendifferenz-messung, deren verwendung in einer synchronisierschaltung und entsprechende synchronisierschaltung |
| CA1144986A (en) * | 1980-08-20 | 1983-04-19 | Canadian General Electric Company Limited | Frequency determining apparatus |
| GB2095013B (en) * | 1981-03-18 | 1984-10-17 | Philips Electronic Associated | Multi-tone sequential call signal detector |
| JPS5936635U (ja) * | 1982-08-31 | 1984-03-07 | エイマ−電器株式会社 | ラジオカセツト装置 |
| JPS6145996U (ja) * | 1984-08-28 | 1986-03-27 | 株式会社 タカラ | 音出し玩具 |
| JP2010271091A (ja) * | 2009-05-20 | 2010-12-02 | Seiko Epson Corp | 周波数測定装置 |
| JP5517033B2 (ja) | 2009-05-22 | 2014-06-11 | セイコーエプソン株式会社 | 周波数測定装置 |
| JP5440999B2 (ja) | 2009-05-22 | 2014-03-12 | セイコーエプソン株式会社 | 周波数測定装置 |
| JP5582447B2 (ja) | 2009-08-27 | 2014-09-03 | セイコーエプソン株式会社 | 電気回路、同電気回路を備えたセンサーシステム、及び同電気回路を備えたセンサーデバイス |
| JP5815918B2 (ja) | 2009-10-06 | 2015-11-17 | セイコーエプソン株式会社 | 周波数測定方法、周波数測定装置及び周波数測定装置を備えた装置 |
| JP5876975B2 (ja) | 2009-10-08 | 2016-03-02 | セイコーエプソン株式会社 | 周波数測定装置及び周波数測定装置における変速分周信号の生成方法 |
| JP5883558B2 (ja) | 2010-08-31 | 2016-03-15 | セイコーエプソン株式会社 | 周波数測定装置及び電子機器 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3445643A (en) * | 1966-09-22 | 1969-05-20 | Fischer & Porter Co | Electronic multiplier/divider for fluid flow systems |
| DE2336015C2 (de) | 1973-07-14 | 1983-10-06 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung zur Umsetzung einer Frequenz in eine Binärzahl |
| US3895294A (en) * | 1974-02-14 | 1975-07-15 | Us Navy | Phase change measuring circuit |
-
1974
- 1974-02-07 SE SE7401611A patent/SE379862B/xx not_active IP Right Cessation
- 1974-12-31 US US537782A patent/US3930199A/en not_active Expired - Lifetime
-
1975
- 1975-01-24 DE DE2502873A patent/DE2502873C2/de not_active Expired
- 1975-02-05 JP JP50015240A patent/JPS5748744B2/ja not_active Expired
- 1975-02-06 GB GB5054/75A patent/GB1489491A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2502873C2 (de) | 1982-08-19 |
| JPS5748744B2 (US20080293856A1-20081127-C00150.png) | 1982-10-18 |
| JPS50110671A (US20080293856A1-20081127-C00150.png) | 1975-08-30 |
| SE7401611L (US20080293856A1-20081127-C00150.png) | 1975-08-08 |
| GB1489491A (en) | 1977-10-19 |
| DE2502873A1 (de) | 1975-08-14 |
| US3930199A (en) | 1975-12-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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