JPS50132966A - - Google Patents
Info
- Publication number
- JPS50132966A JPS50132966A JP49037920A JP3792074A JPS50132966A JP S50132966 A JPS50132966 A JP S50132966A JP 49037920 A JP49037920 A JP 49037920A JP 3792074 A JP3792074 A JP 3792074A JP S50132966 A JPS50132966 A JP S50132966A
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/005—Circuits for altering the indicating characteristic, e.g. making it non-linear
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
- Manipulation Of Pulses (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49037920A JPS50132966A (forum.php) | 1974-04-05 | 1974-04-05 | |
| US05/564,921 US4025868A (en) | 1974-04-05 | 1975-04-03 | Frequency digital converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49037920A JPS50132966A (forum.php) | 1974-04-05 | 1974-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50132966A true JPS50132966A (forum.php) | 1975-10-21 |
Family
ID=12510970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49037920A Pending JPS50132966A (forum.php) | 1974-04-05 | 1974-04-05 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4025868A (forum.php) |
| JP (1) | JPS50132966A (forum.php) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4085373A (en) * | 1976-11-03 | 1978-04-18 | Woodward Governor Company | Frequency-to-voltage transducer for speed governor systems or the like |
| US4107600A (en) * | 1976-12-13 | 1978-08-15 | General Electric Company | Adaptive frequency to digital converter system |
| SE410369B (sv) * | 1978-02-09 | 1979-10-08 | Asea Ab | Rele med beroende fordrojning |
| US4231029A (en) * | 1978-02-28 | 1980-10-28 | Westinghouse Electric Corp. | Automatic transfer control device and frequency monitor |
| US4239941A (en) * | 1979-03-01 | 1980-12-16 | Gte Automatic Electric Laboratories Incorporated | Ringing signal generator |
| DE2920734A1 (de) * | 1979-05-22 | 1980-12-04 | Endress Hauser Gmbh Co | Verfahren und anordnung zur auswertung von messignalen |
| US4685614A (en) * | 1980-05-27 | 1987-08-11 | Honeywell, Inc. | Analog to digital conversion employing the system clock of a microprocessor, the clock frequency varying with analog input |
| DE3213800A1 (de) * | 1982-04-15 | 1983-10-27 | Alfred Teves Gmbh, 6000 Frankfurt | Verfahren zur ausgabe von jeweils der impulsfrequenz und der periode zweier aufeinanderfolgender impulse einer impulsfolge entsprechender werte und vorrichtung zur durchfuehrung des verfahrens |
| US4499588A (en) * | 1982-07-28 | 1985-02-12 | Rca Corporation | System for converting the frequency of a pulse train to a binary number |
| DE3321530A1 (de) * | 1983-06-15 | 1984-12-20 | Diehl Gmbh & Co | Verfahren zur erzeugung von steuersignalen in einer vorgebbaren phasenlage, schaltungsanordnung zur durchfuehrung des verfahrens und verwendung der schaltungsanordnung |
| JPH01232393A (ja) * | 1988-03-14 | 1989-09-18 | Sony Corp | 周波数検出器 |
| US5150121A (en) * | 1988-10-13 | 1992-09-22 | New Sd, Inc. | Parameter sensing and processing system |
| US4980687A (en) * | 1988-10-13 | 1990-12-25 | Systron Donner | Digital demodulator |
| US5657361A (en) * | 1994-09-06 | 1997-08-12 | Fujitsu Limited | Variant frequency detector circuit |
| JPH09203756A (ja) * | 1996-01-26 | 1997-08-05 | Hewlett Packard Japan Ltd | 信号発生装置 |
| TW507421B (en) * | 1998-01-19 | 2002-10-21 | Myson Century Inc | CMOS digital-analog converter and temperature sensing apparatus using the converter |
| US6486805B1 (en) * | 2000-06-09 | 2002-11-26 | Lsi Logic Corporation | Frequency to digital converter |
| KR100515410B1 (ko) * | 2003-04-30 | 2005-09-14 | 매그나칩 반도체 유한회사 | 주파수-디지탈신호 변환회로 |
| US8006114B2 (en) * | 2007-03-09 | 2011-08-23 | Analog Devices, Inc. | Software programmable timing architecture |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5046176A (forum.php) * | 1973-08-07 | 1975-04-24 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3217144A (en) * | 1962-08-06 | 1965-11-09 | Bendix Corp | Indicator systems |
| US3221250A (en) * | 1962-11-02 | 1965-11-30 | Wang Laboratories | Digital frequency meter |
| US3706935A (en) * | 1966-07-11 | 1972-12-19 | Richard Smith Hughes | Pulse repetition frequency detection and lock-on system |
| US3458823A (en) * | 1967-03-20 | 1969-07-29 | Weston Instruments Inc | Frequency coincidence detector |
| US3914760A (en) * | 1972-12-20 | 1975-10-21 | Ibm | Accurate and stable encoding with low cost circuit elements |
-
1974
- 1974-04-05 JP JP49037920A patent/JPS50132966A/ja active Pending
-
1975
- 1975-04-03 US US05/564,921 patent/US4025868A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5046176A (forum.php) * | 1973-08-07 | 1975-04-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4025868A (en) | 1977-05-24 |