SE408111B - Frekvenskomparatorkrets - Google Patents
FrekvenskomparatorkretsInfo
- Publication number
- SE408111B SE408111B SE7613093A SE7613093A SE408111B SE 408111 B SE408111 B SE 408111B SE 7613093 A SE7613093 A SE 7613093A SE 7613093 A SE7613093 A SE 7613093A SE 408111 B SE408111 B SE 408111B
- Authority
- SE
- Sweden
- Prior art keywords
- comparator circuit
- frequency comparator
- frequency
- circuit
- comparator
- Prior art date
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
- G01R23/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7536003A FR2333247A1 (fr) | 1975-11-25 | 1975-11-25 | Circuit de comparaison de frequences et dispositif de selection comportant un tel circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7613093L SE7613093L (sv) | 1977-05-25 |
| SE408111B true SE408111B (sv) | 1979-05-14 |
Family
ID=9162861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7613093A SE408111B (sv) | 1975-11-25 | 1976-11-24 | Frekvenskomparatorkrets |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4059804A (sv) |
| JP (1) | JPS5265483A (sv) |
| DE (1) | DE2653501C3 (sv) |
| DK (1) | DK154383C (sv) |
| FR (1) | FR2333247A1 (sv) |
| GB (1) | GB1549678A (sv) |
| NL (1) | NL7612966A (sv) |
| SE (1) | SE408111B (sv) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4216463A (en) * | 1978-08-10 | 1980-08-05 | Motorola, Inc. | Programmable digital tone detector |
| EP0059773B1 (de) * | 1981-03-09 | 1984-02-01 | Deutsche ITT Industries GmbH | Digitalschaltung zur Abgabe eines Binärsignals beim Auftreten eines fest vorgegebenen Frequenzverhältnisses zweier Signale und deren Verwendung in Farbfernsehempfängern |
| SE526369C2 (sv) * | 2003-10-30 | 2005-08-30 | Infineon Technologies Ag | Komparator |
| US11171624B2 (en) * | 2018-12-26 | 2021-11-09 | Texas Instruments Incorporated | Voltage sensor device based on a tunable bulk acoustic wave (BAW) resonator |
| RU2726882C1 (ru) * | 2019-10-30 | 2020-07-16 | Акционерное общество "Информационные спутниковые системы"им. академика М.Ф.Решетнева" | Цифровая схема сравнения частот |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3200340A (en) * | 1962-11-29 | 1965-08-10 | Ampex | Synchronization monitor |
| US3626307A (en) * | 1969-02-14 | 1971-12-07 | Iwasaki Tsushinki Kaisha A K A | Counting system for measuring a difference between frequencies of two signals |
| US3735324A (en) * | 1971-12-02 | 1973-05-22 | Us Navy | Digital frequency discriminator |
| US3956705A (en) * | 1974-03-15 | 1976-05-11 | Sun Oil Company Of Pennsylvania | Pulse rate comparison circuit |
-
1975
- 1975-11-25 FR FR7536003A patent/FR2333247A1/fr active Granted
-
1976
- 1976-11-19 US US05/743,333 patent/US4059804A/en not_active Expired - Lifetime
- 1976-11-22 NL NL7612966A patent/NL7612966A/xx not_active Application Discontinuation
- 1976-11-22 GB GB48676/76A patent/GB1549678A/en not_active Expired
- 1976-11-24 DK DK529476A patent/DK154383C/da active
- 1976-11-24 SE SE7613093A patent/SE408111B/sv not_active IP Right Cessation
- 1976-11-25 JP JP51141727A patent/JPS5265483A/ja active Granted
- 1976-11-25 DE DE2653501A patent/DE2653501C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2653501C3 (de) | 1980-12-11 |
| DE2653501B2 (de) | 1980-04-17 |
| JPS5265483A (en) | 1977-05-30 |
| FR2333247B1 (sv) | 1981-04-10 |
| GB1549678A (en) | 1979-08-08 |
| FR2333247A1 (fr) | 1977-06-24 |
| DK529476A (da) | 1977-05-26 |
| DE2653501A1 (de) | 1977-05-26 |
| US4059804A (en) | 1977-11-22 |
| DK154383C (da) | 1989-04-17 |
| NL7612966A (nl) | 1977-05-27 |
| SE7613093L (sv) | 1977-05-25 |
| JPS5619916B2 (sv) | 1981-05-11 |
| DK154383B (da) | 1988-11-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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