BR7404515A - Equipamento de sintetizacao de rn frequencias discretas correspondentes a respectivas representacoes de digitos em "n" ordens digitais de um sistema numerico de raiz ou base "r" - Google Patents
Equipamento de sintetizacao de rn frequencias discretas correspondentes a respectivas representacoes de digitos em "n" ordens digitais de um sistema numerico de raiz ou base "r"Info
- Publication number
- BR7404515A BR7404515A BR4515/74A BR451574A BR7404515A BR 7404515 A BR7404515 A BR 7404515A BR 4515/74 A BR4515/74 A BR 4515/74A BR 451574 A BR451574 A BR 451574A BR 7404515 A BR7404515 A BR 7404515A
- Authority
- BR
- Brazil
- Prior art keywords
- synthetization
- root
- equipment
- digital
- base number
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
- H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
- H03B21/04—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies using several similar stages
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00381980A US3838355A (en) | 1973-07-23 | 1973-07-23 | Binary coded digital frequency synthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7404515A true BR7404515A (pt) | 1976-02-10 |
Family
ID=23507082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR4515/74A BR7404515A (pt) | 1973-07-23 | 1974-05-31 | Equipamento de sintetizacao de rn frequencias discretas correspondentes a respectivas representacoes de digitos em "n" ordens digitais de um sistema numerico de raiz ou base "r" |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3838355A (pt) |
| JP (1) | JPS5229144B2 (pt) |
| BR (1) | BR7404515A (pt) |
| CA (1) | CA992166A (pt) |
| DE (1) | DE2433075B2 (pt) |
| FR (1) | FR2239049B1 (pt) |
| GB (1) | GB1456104A (pt) |
| IT (1) | IT1013152B (pt) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5650516Y2 (pt) * | 1977-01-31 | 1981-11-26 | ||
| US4186356A (en) * | 1977-04-20 | 1980-01-29 | Adret Electronique | Phase locked loop frequency synthesizer and frequency modulator |
| JPS5719717Y2 (pt) * | 1977-12-26 | 1982-04-26 | ||
| JPS54149841U (pt) * | 1978-04-10 | 1979-10-18 | ||
| US4494073A (en) * | 1982-09-27 | 1985-01-15 | Cubic Corporation | Frequency generator using composite digitally controlled oscillators |
| US4725786A (en) * | 1984-07-26 | 1988-02-16 | Comstron Corporation | Full-octave direct frequency synthesizer |
| US4626787A (en) * | 1985-03-06 | 1986-12-02 | Harris Corporation | Application of the phaselock loop to frequency synthesis |
| US4878027A (en) * | 1987-08-03 | 1989-10-31 | Hewlett-Packard Company | Direct frequency synthesizer using powers of two synthesis techniques |
| US4831339A (en) * | 1987-08-21 | 1989-05-16 | Nemeth-Bates Corp | Oscillator having low phase noise |
| US4791377A (en) * | 1987-10-20 | 1988-12-13 | Gte Government Systems Corporation | Direct frequency synthesizer |
| US5014347A (en) * | 1988-02-16 | 1991-05-07 | Gulton Industries Inc., Femco Division | Field telephone system |
| US6320143B1 (en) | 1999-12-30 | 2001-11-20 | Square D Company | Slider linkage for double throw safety switches |
| US6194675B1 (en) | 1999-12-30 | 2001-02-27 | Square D Company | Boxer linkage for double throw safety switches |
| US6271489B1 (en) | 1999-12-31 | 2001-08-07 | Square D Company | Cam-lock enhanced pressure switch contacts |
| US6362442B1 (en) | 1999-12-31 | 2002-03-26 | Square D Company | Two-stage self adjusting trip latch |
| KR20210054111A (ko) * | 2019-11-04 | 2021-05-13 | 삼성디스플레이 주식회사 | 표시장치 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2829255A (en) * | 1955-10-10 | 1958-04-01 | Collins Radio Co | Digital frequency synthesizer system |
| US2894133A (en) * | 1957-04-24 | 1959-07-07 | Collins Radio Co | Tuning system for frequency synthesizing means |
| US3212024A (en) * | 1961-01-13 | 1965-10-12 | Aircraft Radio Corp | Measuring and testing circuit for frequency synthesizer |
| US3235815A (en) * | 1962-12-14 | 1966-02-15 | Hazeltine Research Inc | Frequency synthesizer digit selector |
| US3372347A (en) * | 1966-04-29 | 1968-03-05 | Monsanto Co | Frequency synthesizer employing minimal number of driving frequencies |
| US3454883A (en) * | 1966-11-17 | 1969-07-08 | Melpar Inc | Binary frequency synthesizer with alternating offset frequency technique |
-
1973
- 1973-07-23 US US00381980A patent/US3838355A/en not_active Expired - Lifetime
-
1974
- 1974-03-05 CA CA194,157A patent/CA992166A/en not_active Expired
- 1974-05-10 IT IT50930/74A patent/IT1013152B/it active
- 1974-05-31 BR BR4515/74A patent/BR7404515A/pt unknown
- 1974-07-10 DE DE19742433075 patent/DE2433075B2/de active Granted
- 1974-07-19 FR FR7425212A patent/FR2239049B1/fr not_active Expired
- 1974-07-23 GB GB3252974A patent/GB1456104A/en not_active Expired
- 1974-07-23 JP JP49083854A patent/JPS5229144B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2433075B2 (de) | 1976-10-28 |
| JPS5229144B2 (pt) | 1977-07-30 |
| DE2433075A1 (de) | 1975-03-20 |
| IT1013152B (it) | 1977-03-30 |
| JPS5044760A (pt) | 1975-04-22 |
| CA992166A (en) | 1976-06-29 |
| FR2239049A1 (pt) | 1975-02-21 |
| US3838355A (en) | 1974-09-24 |
| FR2239049B1 (pt) | 1977-10-21 |
| GB1456104A (en) | 1976-11-17 |
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