FR993974A - Improvements to methods and devices for generating multiple frequencies - Google Patents
Improvements to methods and devices for generating multiple frequenciesInfo
- Publication number
- FR993974A FR993974A FR993974DA FR993974A FR 993974 A FR993974 A FR 993974A FR 993974D A FR993974D A FR 993974DA FR 993974 A FR993974 A FR 993974A
- Authority
- FR
- France
- Prior art keywords
- methods
- devices
- multiple frequencies
- generating multiple
- generating
- 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.)
- Expired
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
- H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR993974T | 1944-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR993974A true FR993974A (en) | 1951-11-09 |
Family
ID=9556027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR993974D Expired FR993974A (en) | 1944-11-29 | 1944-11-29 | Improvements to methods and devices for generating multiple frequencies |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH272695A (en) |
FR (1) | FR993974A (en) |
GB (1) | GB641344A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0172560A2 (en) * | 1984-08-22 | 1986-02-26 | Advantest Corporation | Variable frequency synthesizer |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2946963A (en) * | 1957-04-05 | 1960-07-26 | Gen Dynamics Corp | Frequency multiplier |
US3023371A (en) * | 1958-03-07 | 1962-02-27 | Thompson Ramo Wooldridge Inc | Precision variable frequency generator |
-
1944
- 1944-11-29 FR FR993974D patent/FR993974A/en not_active Expired
-
1945
- 1945-08-20 GB GB21242/45A patent/GB641344A/en not_active Expired
-
1946
- 1946-01-05 CH CH272695D patent/CH272695A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0172560A2 (en) * | 1984-08-22 | 1986-02-26 | Advantest Corporation | Variable frequency synthesizer |
EP0172560A3 (en) * | 1984-08-22 | 1988-01-07 | Takeda Riken Co., Ltd. | Variable frequency synthesizer |
Also Published As
Publication number | Publication date |
---|---|
CH272695A (en) | 1950-12-31 |
GB641344A (en) | 1950-08-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR919535A (en) | Improvements to nut holders | |
FR944093A (en) | Improvement in mixing generating devices | |
FR993974A (en) | Improvements to methods and devices for generating multiple frequencies | |
FR55923E (en) | Improvements to methods and devices for generating multiple frequencies | |
FR55944E (en) | Improvements to methods and devices for generating multiple frequencies | |
FR903570A (en) | Improvements in methods and devices for breaking up tobacco | |
FR994109A (en) | Improvements to cooling devices | |
FR925996A (en) | Improvements to electronic synchronizing devices | |
FR908556A (en) | Improvements to mixers for gasifiers | |
FR910631A (en) | Improvements to corner locking devices | |
FR992580A (en) | Improvements to frequency transposing devices | |
FR991642A (en) | Improvements to frequency transposing devices | |
FR909035A (en) | Improvements to frequency transposing devices | |
FR932862A (en) | Improvements to telephone devices | |
FR910643A (en) | Improvements to dividers for machine tools and similar devices | |
AU122021B2 (en) | Improved apparatus for adding one liquid to another | |
CA423167A (en) | Liquid density maintaining apparatus | |
FR935209A (en) | Enhancements to amplifiers for multiple frequencies | |
FR917067A (en) | Device for producing harmonics | |
FR944328A (en) | Improvements to mixing generating devices | |
FR938688A (en) | Improvements to frequency modulation devices | |
FR884073A (en) | Improvements to devices such as needles for phonographs | |
FR993994A (en) | Improvements to removable barriers | |
CA419791A (en) | Signal generating apparatus | |
FR988572A (en) | Improvements to low frequency multiplier devices |