BE736444A - - Google Patents
Info
- Publication number
- BE736444A BE736444A BE736444DA BE736444A BE 736444 A BE736444 A BE 736444A BE 736444D A BE736444D A BE 736444DA BE 736444 A BE736444 A BE 736444A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681762627 DE1762627B2 (en) | 1968-07-23 | 1968-07-23 | METHOD OF DERIVING THE CHANNEL CARRIER FREQUENCY FROM 112 TO 156 KHZ FOR A PRE-MODULATION CARRIER FREQUENCY SYSTEM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE736444A true BE736444A (en) | 1970-01-23 |
Family
ID=5697106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE736444D BE736444A (en) | 1968-07-23 | 1969-07-23 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4941924B1 (en) |
| AT (1) | AT287794B (en) |
| BE (1) | BE736444A (en) |
| CH (1) | CH496362A (en) |
| DE (1) | DE1762627B2 (en) |
| GB (1) | GB1214605A (en) |
| NL (1) | NL152728B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2447045C3 (en) * | 1974-10-02 | 1982-01-21 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Method of deriving the channel carrier frequencies 112 to 156 kHz for a pre-modulation system |
| HU177519B (en) * | 1978-12-22 | 1981-10-28 | Telefongyar | Frequency synthetiser for generating pilot signals and subcarriers |
| JPH05335937A (en) * | 1992-05-28 | 1993-12-17 | Mitsubishi Electric Corp | Frequency divider circuit |
-
1968
- 1968-07-23 DE DE19681762627 patent/DE1762627B2/en not_active Withdrawn
-
1969
- 1969-07-09 NL NL6910539A patent/NL152728B/en unknown
- 1969-07-21 CH CH1111569A patent/CH496362A/en not_active IP Right Cessation
- 1969-07-21 AT AT699769A patent/AT287794B/en not_active IP Right Cessation
- 1969-07-22 GB GB3667769A patent/GB1214605A/en not_active Expired
- 1969-07-22 JP JP5794469A patent/JPS4941924B1/ja active Pending
- 1969-07-23 BE BE736444D patent/BE736444A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT287794B (en) | 1971-02-10 |
| JPS4941924B1 (en) | 1974-11-12 |
| GB1214605A (en) | 1970-12-02 |
| NL152728B (en) | 1977-03-15 |
| DE1762627A1 (en) | 1970-09-17 |
| NL6910539A (en) | 1970-01-27 |
| DE1762627B2 (en) | 1971-02-18 |
| CH496362A (en) | 1970-09-15 |