RO76970A - FREQUENCY SYNTHETICISM FOR THE PILOT SIGNALS AND AUXILIARY PURIFYING SIGNALS - Google Patents
FREQUENCY SYNTHETICISM FOR THE PILOT SIGNALS AND AUXILIARY PURIFYING SIGNALSInfo
- Publication number
- RO76970A RO76970A RO7999610A RO9961079A RO76970A RO 76970 A RO76970 A RO 76970A RO 7999610 A RO7999610 A RO 7999610A RO 9961079 A RO9961079 A RO 9961079A RO 76970 A RO76970 A RO 76970A
- Authority
- RO
- Romania
- Prior art keywords
- signals
- syntheticism
- frequency
- auxiliary purifying
- pilot
- 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
- H03B21/02—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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUTE000919 HU177519B (en) | 1978-12-22 | 1978-12-22 | Frequency synthetiser for generating pilot signals and subcarriers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO76970A true RO76970A (en) | 1981-06-22 |
Family
ID=11002089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7999610A RO76970A (en) | 1978-12-22 | 1979-12-19 | FREQUENCY SYNTHETICISM FOR THE PILOT SIGNALS AND AUXILIARY PURIFYING SIGNALS |
Country Status (8)
| Country | Link |
|---|---|
| BG (1) | BG39300A3 (en) |
| DD (1) | DD148131A5 (en) |
| DE (1) | DE2945987C2 (en) |
| FR (1) | FR2445063A1 (en) |
| GB (1) | GB2039441B (en) |
| HU (1) | HU177519B (en) |
| PL (1) | PL125237B1 (en) |
| RO (1) | RO76970A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU191731B (en) * | 1984-12-19 | 1987-04-28 | Telefongyar | Circuit arrangement for generating system carrier, line pilot and channel carrier-control frequencies of multichannel open cable telephon equipments |
| WO1991001611A1 (en) * | 1989-07-20 | 1991-02-07 | Scientific-Atlanta, Inc. | A method of subcarrier multiplication which preserves am information in fm systems |
| DE19811550C2 (en) * | 1998-03-18 | 2002-06-27 | Bosch Gmbh Robert | Method and circuit arrangement for generating frequency signals |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD68253A (en) * | ||||
| GB780152A (en) * | 1955-11-28 | 1957-07-31 | Standard Telephones Cables Ltd | Improvements in or relating to carrier wave generators |
| GB961028A (en) * | 1960-01-14 | 1964-06-17 | Plessey Co Ltd | Improvements in frequency synthesis apparatus |
| DE1260546B (en) * | 1964-08-26 | 1968-02-08 | Siemens Ag | Arrangement for generating the pilot frequencies in carrier frequency systems |
| DE1762627B2 (en) * | 1968-07-23 | 1971-02-18 | METHOD OF DERIVING THE CHANNEL CARRIER FREQUENCY FROM 112 TO 156 KHZ FOR A PRE-MODULATION CARRIER FREQUENCY SYSTEM | |
| GB1337166A (en) * | 1971-10-28 | 1973-11-14 | Marconi Co Ltd | Frequency generators |
-
1978
- 1978-12-22 HU HUTE000919 patent/HU177519B/en not_active IP Right Cessation
-
1979
- 1979-11-09 BG BG4544679A patent/BG39300A3/en unknown
- 1979-11-14 DE DE19792945987 patent/DE2945987C2/en not_active Expired
- 1979-12-11 PL PL22032279A patent/PL125237B1/en unknown
- 1979-12-18 GB GB7943489A patent/GB2039441B/en not_active Expired
- 1979-12-19 RO RO7999610A patent/RO76970A/en unknown
- 1979-12-20 FR FR7931284A patent/FR2445063A1/en active Granted
- 1979-12-20 DD DD21794379A patent/DD148131A5/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BG39300A3 (en) | 1986-05-15 |
| HU177519B (en) | 1981-10-28 |
| GB2039441B (en) | 1983-03-23 |
| DE2945987A1 (en) | 1980-06-26 |
| PL125237B1 (en) | 1983-04-30 |
| PL220322A1 (en) | 1980-09-22 |
| FR2445063A1 (en) | 1980-07-18 |
| DE2945987C2 (en) | 1985-01-17 |
| GB2039441A (en) | 1980-08-06 |
| FR2445063B1 (en) | 1983-04-22 |
| DD148131A5 (en) | 1981-05-06 |
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