FR1409538A - Perfectionnements aux transmissions multiplex à fréquences porteuses - Google Patents
Perfectionnements aux transmissions multiplex à fréquences porteusesInfo
- Publication number
- FR1409538A FR1409538A FR985707A FR985707A FR1409538A FR 1409538 A FR1409538 A FR 1409538A FR 985707 A FR985707 A FR 985707A FR 985707 A FR985707 A FR 985707A FR 1409538 A FR1409538 A FR 1409538A
- Authority
- FR
- France
- Prior art keywords
- carrier frequency
- frequency multiplex
- multiplex transmissions
- transmissions
- carrier
- 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
- 230000005540 biological transmission Effects 0.000 title 1
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR985707A FR1409538A (fr) | 1963-08-20 | 1964-08-20 | Perfectionnements aux transmissions multiplex à fréquences porteuses |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEST20996A DE1190514B (de) | 1963-08-20 | 1963-08-20 | Verfahren und Schaltungsanordnungen zur Erzeugung der Primaergruppen-Pilotfrequenzenfuer Traegerfrequenzsysteme |
FR985707A FR1409538A (fr) | 1963-08-20 | 1964-08-20 | Perfectionnements aux transmissions multiplex à fréquences porteuses |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1409538A true FR1409538A (fr) | 1965-08-27 |
Family
ID=25994201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR985707A Expired FR1409538A (fr) | 1963-08-20 | 1964-08-20 | Perfectionnements aux transmissions multiplex à fréquences porteuses |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1409538A (fr) |
-
1964
- 1964-08-20 FR FR985707A patent/FR1409538A/fr not_active Expired
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