SE351538B - - Google Patents
Info
- Publication number
- SE351538B SE351538B SE881365A SE881365A SE351538B SE 351538 B SE351538 B SE 351538B SE 881365 A SE881365 A SE 881365A SE 881365 A SE881365 A SE 881365A SE 351538 B SE351538 B SE 351538B
- Authority
- SE
- Sweden
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
- H03B21/025—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 by repeated mixing in combination with division of frequency only
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/08—Controlling based on slip frequency, e.g. adding slip frequency and speed proportional frequency
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Feedback Control In General (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Control Of Stepping Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1964L0048209 DE1449553B2 (de) | 1964-07-03 | 1964-07-03 | Verfahren zur bildung der summe oder differenz zweier frequenzen |
Publications (1)
Publication Number | Publication Date |
---|---|
SE351538B true SE351538B (xx) | 1972-11-27 |
Family
ID=7272372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE881365A SE351538B (xx) | 1964-07-03 | 1965-07-02 |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH441499A (xx) |
DE (1) | DE1449553B2 (xx) |
FR (1) | FR1442705A (xx) |
GB (1) | GB1115333A (xx) |
SE (1) | SE351538B (xx) |
-
1964
- 1964-07-03 DE DE1964L0048209 patent/DE1449553B2/de active Pending
-
1965
- 1965-07-01 CH CH921365A patent/CH441499A/de unknown
- 1965-07-02 SE SE881365A patent/SE351538B/xx unknown
- 1965-07-02 FR FR2630A patent/FR1442705A/fr not_active Expired
- 1965-07-02 GB GB2809065A patent/GB1115333A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1115333A (en) | 1968-05-29 |
FR1442705A (fr) | 1966-06-17 |
DE1449553A1 (de) | 1969-07-10 |
DE1449553B2 (de) | 1973-07-19 |
CH441499A (de) | 1967-08-15 |