FR2437742A1 - Quadrupleur de frequence numerique - Google Patents
Quadrupleur de frequence numeriqueInfo
- Publication number
- FR2437742A1 FR2437742A1 FR7923974A FR7923974A FR2437742A1 FR 2437742 A1 FR2437742 A1 FR 2437742A1 FR 7923974 A FR7923974 A FR 7923974A FR 7923974 A FR7923974 A FR 7923974A FR 2437742 A1 FR2437742 A1 FR 2437742A1
- Authority
- FR
- France
- Prior art keywords
- digital frequency
- delayed
- frequency quad
- quad
- coincidence
- Prior art date
- 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.)
- Granted
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
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/68—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using pulse rate multipliers or dividers pulse rate multipliers or dividers per se
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Analysis (AREA)
- Computing Systems (AREA)
- Computational Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Manipulation Of Pulses (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/946,474 US4224574A (en) | 1978-09-28 | 1978-09-28 | Digital frequency quadrupler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2437742A1 true FR2437742A1 (fr) | 1980-04-25 |
| FR2437742B1 FR2437742B1 (https=) | 1984-02-10 |
Family
ID=25484518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7923974A Granted FR2437742A1 (fr) | 1978-09-28 | 1979-09-26 | Quadrupleur de frequence numerique |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4224574A (https=) |
| JP (1) | JPS5545294A (https=) |
| DE (1) | DE2939021C2 (https=) |
| FR (1) | FR2437742A1 (https=) |
| GB (1) | GB2030745B (https=) |
| MY (1) | MY8600718A (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5753729U (https=) * | 1980-09-10 | 1982-03-29 | ||
| US4394769A (en) * | 1981-06-15 | 1983-07-19 | Hughes Aircraft Company | Dual modulus counter having non-inverting feedback |
| JPS58152336U (ja) * | 1982-03-31 | 1983-10-12 | 日東工器株式会社 | 鉄筋のスリ−ブ固着装置 |
| US4845437A (en) * | 1985-07-09 | 1989-07-04 | Minolta Camera Kabushiki Kaisha | Synchronous clock frequency conversion circuit |
| DE3643947C2 (de) * | 1986-12-22 | 1995-11-02 | Vdo Schindling | Schaltungsanordnung zum Abgleich der Frequenz eines Oszillators |
| DE3822428A1 (de) * | 1988-06-30 | 1990-01-04 | Siemens Ag | Schaltungsanordnung zur erzeugung eines referenztaktes |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3743946A (en) * | 1971-06-11 | 1973-07-03 | Halliburton Co | Variable frequency multiplier and phase shifter |
| US3832640A (en) * | 1972-12-11 | 1974-08-27 | Ford Motor Co | Time division interpolator |
| US3835396A (en) * | 1973-09-12 | 1974-09-10 | G Demos | Device for changing frequency of constant amplitude square waves |
| US3935539A (en) * | 1974-04-08 | 1976-01-27 | The United States Of America As Represented By The Secretary Of The Navy | A-C signal multiplying circuit by a ratio of whole numbers the numerator of which is greater than one and greater than the denominator |
| US4025866A (en) * | 1975-11-10 | 1977-05-24 | Nasa | Open loop digital frequency multiplier |
| US4017719A (en) * | 1975-12-18 | 1977-04-12 | Rca Corporation | Binary rate multiplier with means for spacing output signals |
| US3993957A (en) * | 1976-03-08 | 1976-11-23 | International Business Machines Corporation | Clock converter circuit |
| US4072904A (en) * | 1976-09-23 | 1978-02-07 | The United States Of America As Represented By The Secretary Of The Navy | Presettable rate multiplier |
-
1978
- 1978-09-28 US US05/946,474 patent/US4224574A/en not_active Expired - Lifetime
-
1979
- 1979-07-31 GB GB7926570A patent/GB2030745B/en not_active Expired
- 1979-09-13 JP JP11782879A patent/JPS5545294A/ja active Pending
- 1979-09-26 FR FR7923974A patent/FR2437742A1/fr active Granted
- 1979-09-26 DE DE2939021A patent/DE2939021C2/de not_active Expired
-
1986
- 1986-12-30 MY MY718/86A patent/MY8600718A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2939021C2 (de) | 1984-06-20 |
| FR2437742B1 (https=) | 1984-02-10 |
| MY8600718A (en) | 1986-12-31 |
| GB2030745A (en) | 1980-04-10 |
| GB2030745B (en) | 1983-09-07 |
| DE2939021A1 (de) | 1980-04-10 |
| US4224574A (en) | 1980-09-23 |
| JPS5545294A (en) | 1980-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |