SE8700928L - Frekvensomkopplare - Google Patents
FrekvensomkopplareInfo
- Publication number
- SE8700928L SE8700928L SE8700928A SE8700928A SE8700928L SE 8700928 L SE8700928 L SE 8700928L SE 8700928 A SE8700928 A SE 8700928A SE 8700928 A SE8700928 A SE 8700928A SE 8700928 L SE8700928 L SE 8700928L
- Authority
- SE
- Sweden
- Prior art keywords
- monoflop
- pulse
- responsive switch
- frequency responsive
- pulse frequency
- Prior art date
Links
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 abstract 2
- 230000010354 integration Effects 0.000 abstract 1
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
- G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Manipulation Of Pulses (AREA)
- Dc-Dc Converters (AREA)
- Pulse Circuits (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863610605 DE3610605A1 (de) | 1986-03-29 | 1986-03-29 | Frequenzschalter |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8700928D0 SE8700928D0 (sv) | 1987-03-05 |
| SE8700928L true SE8700928L (sv) | 1987-09-30 |
| SE464598B SE464598B (sv) | 1991-05-13 |
Family
ID=6297506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8700928A SE464598B (sv) | 1986-03-29 | 1987-03-05 | I beroende av takten hos en foeljd av pulser styrbar omkopplare |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4746820A (sv) |
| JP (1) | JPS62238469A (sv) |
| DE (1) | DE3610605A1 (sv) |
| FR (1) | FR2596871A1 (sv) |
| GB (1) | GB2188500B (sv) |
| IT (1) | IT1208353B (sv) |
| SE (1) | SE464598B (sv) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4845379A (en) * | 1988-07-05 | 1989-07-04 | International Business Machines Corporation | Sense circuit for detecting absence of a pulse train |
| DE3910620A1 (de) * | 1989-04-01 | 1990-10-04 | Hagenuk Telecom Gmbh | Schaltungsanordnung zum erkennen einer signalfrequenz |
| US5446322A (en) * | 1992-05-01 | 1995-08-29 | Analog Devices, Inc. | Apparatus and method for determining when the frequency of an alternating signal is below a predetermined threshold |
| SE470527B (sv) * | 1992-11-18 | 1994-07-04 | Ericsson Telefon Ab L M | Metod och anordning för att detektera om en signal har en önskad på förhand fastställd frekvens eller ej |
| US7116139B2 (en) * | 2002-09-13 | 2006-10-03 | Texas Instruments Incorporated | Apparatus and method for controlling operation of a processor device during startup |
| CN1848683B (zh) * | 2005-04-15 | 2010-05-05 | 鸿富锦精密工业(深圳)有限公司 | 三角波发生器及包含它的脉宽调制信号发生电路 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB978045A (en) * | 1960-04-01 | 1964-12-16 | Emi Ltd | Improvements in or relating to electrical control circuits |
| GB1196551A (en) * | 1968-02-01 | 1970-07-01 | Quest Automation Sales Ltd | Improvements in or relating to Monitoring and Control Systems |
| GB1182027A (en) * | 1968-06-12 | 1970-02-25 | Rolls Royce | Improvements in or relating to tachometer circuits |
| DE2203320A1 (de) * | 1972-01-25 | 1973-08-02 | Daimler Benz Ag | Vorrichtung zur bildung und verarbeitung von geschwindigkeitssignalen bei fahrzeugen |
| US3852675A (en) * | 1972-10-11 | 1974-12-03 | Itt | Tone detection and switching circuit |
| US3886420A (en) * | 1973-09-10 | 1975-05-27 | Gen Signal Corp | Frequency responsive speed control apparatus |
| GB1452757A (en) * | 1973-12-03 | 1976-10-13 | Texas Instruments Ltd | Frequency responsive circuit |
| GB1457294A (en) * | 1974-01-05 | 1976-12-01 | Ferranti Ltd | Pulse-frequency sensitive switching circuit arrangements felx |
| US3943382A (en) * | 1974-12-23 | 1976-03-09 | Sperry Rand Corporation | Frequency operated switch |
| JPS55109968A (en) * | 1979-02-16 | 1980-08-23 | Nissan Motor Co Ltd | Frequency decision circuit |
| US4454434A (en) * | 1979-12-03 | 1984-06-12 | Phillips Petroleum Company | Calibration and status monitor comparator apparatus and method |
| US4327323A (en) * | 1979-12-03 | 1982-04-27 | Phillips Petroleum Company | Comparator apparatus and process |
-
1986
- 1986-03-29 DE DE19863610605 patent/DE3610605A1/de not_active Ceased
-
1987
- 1987-02-06 GB GB8702663A patent/GB2188500B/en not_active Expired - Lifetime
- 1987-02-09 US US07/012,293 patent/US4746820A/en not_active Expired - Fee Related
- 1987-03-05 SE SE8700928A patent/SE464598B/sv not_active IP Right Cessation
- 1987-03-23 FR FR8704427A patent/FR2596871A1/fr active Pending
- 1987-03-27 IT IT8767240A patent/IT1208353B/it active
- 1987-03-30 JP JP62074585A patent/JPS62238469A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1208353B (it) | 1989-06-12 |
| SE8700928D0 (sv) | 1987-03-05 |
| GB2188500B (en) | 1990-04-04 |
| FR2596871A1 (fr) | 1987-10-09 |
| JPS62238469A (ja) | 1987-10-19 |
| IT8767240A0 (it) | 1987-03-27 |
| SE464598B (sv) | 1991-05-13 |
| GB8702663D0 (en) | 1987-03-11 |
| GB2188500A (en) | 1987-09-30 |
| US4746820A (en) | 1988-05-24 |
| DE3610605A1 (de) | 1987-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8700928-8 Effective date: 19931008 Format of ref document f/p: F |