JPS5549460B2 - - Google Patents
Info
- Publication number
- JPS5549460B2 JPS5549460B2 JP871574A JP871574A JPS5549460B2 JP S5549460 B2 JPS5549460 B2 JP S5549460B2 JP 871574 A JP871574 A JP 871574A JP 871574 A JP871574 A JP 871574A JP S5549460 B2 JPS5549460 B2 JP S5549460B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- 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
- G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general
- G01P3/4807—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general by using circuits for the detection of the pulses delivered by the ignition system of an internal combustion engine
-
- 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
- G01R23/06—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into an amplitude of current or voltage
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Measurement Of Current Or Voltage (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP871574A JPS5549460B2 (US06534493-20030318-C00166.png) | 1974-01-18 | 1974-01-18 | |
| US05/542,002 US3992660A (en) | 1974-01-18 | 1975-01-17 | Frequency-current conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP871574A JPS5549460B2 (US06534493-20030318-C00166.png) | 1974-01-18 | 1974-01-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50104560A JPS50104560A (US06534493-20030318-C00166.png) | 1975-08-18 |
| JPS5549460B2 true JPS5549460B2 (US06534493-20030318-C00166.png) | 1980-12-12 |
Family
ID=11700618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP871574A Expired JPS5549460B2 (US06534493-20030318-C00166.png) | 1974-01-18 | 1974-01-18 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3992660A (US06534493-20030318-C00166.png) |
| JP (1) | JPS5549460B2 (US06534493-20030318-C00166.png) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1206614B (it) * | 1978-06-08 | 1989-04-27 | Cgs Istrumenti Misura Spa | Dispositivo convertitore frequenza-corrente, particolarmente per strumenti indicatori. |
| FR2396978A1 (fr) * | 1978-07-07 | 1979-02-02 | Cgs Apparecch | Convertisseur frequence-intensite de courant, en particulier pour instruments indicateurs |
| FR2396977A1 (fr) * | 1978-07-07 | 1979-02-02 | Cgs Apparecch | Instrument indicateur ferromagnetique |
| US4222095A (en) * | 1978-12-08 | 1980-09-09 | Motorola, Inc. | Frequency to voltage converter |
| JP3586073B2 (ja) | 1997-07-29 | 2004-11-10 | 株式会社東芝 | 基準電圧発生回路 |
| US6525521B2 (en) * | 2000-08-18 | 2003-02-25 | Texas Instruments Incorporated | Sample and hold phase detector having low spurious performance and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3535658A (en) * | 1967-06-27 | 1970-10-20 | Webb James E | Frequency to analog converter |
| GB1278936A (en) * | 1968-07-19 | 1972-06-21 | Smiths Industries Ltd | Improvements in or relating to pulse frequency measuring apparatus |
| US3584298A (en) * | 1969-03-21 | 1971-06-08 | Sun Electric Corp | Frequency detection apparatus including voltage responsive means coupling first and second capacitor charge-discharge circuits |
| US3628063A (en) * | 1969-07-31 | 1971-12-14 | Computer Transceiver Systems | Receiver for frequency shift keyed signals |
| US3575611A (en) * | 1969-08-08 | 1971-04-20 | Honeywell Inc | Frequency to direct current converter |
| US3749938A (en) * | 1972-01-25 | 1973-07-31 | Winkler V Van | Capacitance function generator |
-
1974
- 1974-01-18 JP JP871574A patent/JPS5549460B2/ja not_active Expired
-
1975
- 1975-01-17 US US05/542,002 patent/US3992660A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3992660A (en) | 1976-11-16 |
| JPS50104560A (US06534493-20030318-C00166.png) | 1975-08-18 |
