BE868633A - Systeme de transmission d'informations a frequences porteuses et a modulation prealable - Google Patents

Systeme de transmission d'informations a frequences porteuses et a modulation prealable

Info

Publication number
BE868633A
BE868633A BE188983A BE188983A BE868633A BE 868633 A BE868633 A BE 868633A BE 188983 A BE188983 A BE 188983A BE 188983 A BE188983 A BE 188983A BE 868633 A BE868633 A BE 868633A
Authority
BE
Belgium
Prior art keywords
transmission system
carrier frequency
information transmission
modulation information
prior modulation
Prior art date
Application number
BE188983A
Other languages
English (en)
French (fr)
Inventor
W Voleknik
F Kunemund
K Traub
H Albsmeier
Original Assignee
Siemens Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of BE868633A publication Critical patent/BE868633A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/08—Arrangements for combining channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Transmitters (AREA)
BE188983A 1977-07-01 1978-06-30 Systeme de transmission d'informations a frequences porteuses et a modulation prealable BE868633A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2729839A DE2729839C3 (de) 1977-07-01 1977-07-01 Trägerfrequentes Nachrichtenübertragungssystem mit Vormodulation

Publications (1)

Publication Number Publication Date
BE868633A true BE868633A (fr) 1978-10-16

Family

ID=6012957

Family Applications (1)

Application Number Title Priority Date Filing Date
BE188983A BE868633A (fr) 1977-07-01 1978-06-30 Systeme de transmission d'informations a frequences porteuses et a modulation prealable

Country Status (16)

Country Link
US (1) US4320366A (xx)
JP (1) JPS5414110A (xx)
AR (1) AR222015A1 (xx)
AT (1) AT376085B (xx)
AU (1) AU509603B2 (xx)
BE (1) BE868633A (xx)
BR (1) BR7804184A (xx)
CH (1) CH634699A5 (xx)
DE (1) DE2729839C3 (xx)
FR (1) FR2396474A1 (xx)
GB (1) GB1603559A (xx)
IT (1) IT1096840B (xx)
LU (1) LU79906A1 (xx)
NL (1) NL7806929A (xx)
SE (1) SE7807419L (xx)
YU (1) YU155578A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69005740T2 (de) * 1989-08-21 1994-06-01 Ngk Insulators Ltd Aufzeichnungskopf, bestehend aus einem eine Elektrode tragenden Substrat mit einem dünnwandigen Kontaktendteil, und Schicht zur Verstärkung des Substrats.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1274663C2 (de) * 1965-05-24 1980-09-18 Siemens Ag Aufbau der grundprimaergruppe eines einseitenband-traegerfrequenzsystems ueber eine vormodulationsstufe
DE1541975C3 (de) * 1967-05-12 1975-03-06 Siemens Ag, 1000 Berlin U. 8000 Muenchen Elektromechanisches Bandfilter
DE2142332C2 (de) * 1971-08-24 1983-07-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Mechanisches Filter und Verfahren zur Herstellung des Filters
DE2304025C3 (de) * 1973-01-27 1980-08-14 Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg Verfahren zum Aufbau der Grundprimärgruppe eines Einseitenbandträgerfrequenzsystems
GB1437288A (en) * 1973-06-11 1976-05-26 Kokusai Electric Co Ltd Mechanical filter
JPS5639568B2 (xx) * 1974-04-22 1981-09-14
US3977787A (en) * 1975-05-05 1976-08-31 Nasa High-resolution fourier interferometer-spectrophotopolarimeter
DE2607879C3 (de) * 1976-02-26 1981-06-19 Siemens AG, 1000 Berlin und 8000 München Elektromechanisches Filter, bei welchem mehrere, parallelachsig angeordnete, stabförmig ausgebildete mechanische Biegeresonatoren vorgesehen sind

Also Published As

Publication number Publication date
DE2729839A1 (de) 1979-01-04
GB1603559A (en) 1981-11-25
FR2396474A1 (fr) 1979-01-26
DE2729839B2 (de) 1980-07-31
LU79906A1 (xx) 1978-12-07
SE7807419L (sv) 1979-01-02
AU3706878A (en) 1979-12-20
DE2729839C3 (de) 1981-03-26
BR7804184A (pt) 1979-04-10
NL7806929A (nl) 1979-01-03
IT7825178A0 (it) 1978-06-30
AU509603B2 (en) 1980-05-15
CH634699A5 (de) 1983-02-15
YU155578A (en) 1982-06-30
JPS5414110A (en) 1979-02-02
AT376085B (de) 1984-10-10
US4320366A (en) 1982-03-16
ATA474378A (de) 1984-02-15
AR222015A1 (es) 1981-04-15
IT1096840B (it) 1985-08-26

Similar Documents

Publication Publication Date Title
BE870054A (fr) Systeme de transmission radioelectrique d'informations a modulation de frequence et/ou modulation de phase
FR2406852B1 (fr) Processeur de signaux d'informations
BE870301A (fr) Systeme de transmission de donnees a l'aide d'une onde porteuse a modulation angulaire et amplitude constante
FR2391515B1 (fr) Systeme d'affichage d'informations
FR2291546A1 (fr) Dispositif de transmission d'informations
AR231043A1 (es) Un dispositivo de transmision de informacion
BE870702A (fr) Agencement de transmission optique d'informations
BE868282A (fr) Systeme de memorisation et de lecture d'informations
FR2396478B1 (fr) Systeme de transmission d'informations
FR2301143A1 (fr) Dispositif de transmission volontaire d'informations dans un systeme de television par cable
FR2322491A1 (fr) Systeme de transmission d'informations
FR2341900A1 (fr) Systeme de lecture d'informations
FR2640448B1 (fr) Systeme de transmission d'informations forme de reseaux exploitant par sauts de frequence un ensemble de canaux
FR2458184B1 (fr) Systeme de transmission d'information numerique
BE873804A (fr) Systeme numerique de transmission d'information
BE868633A (fr) Systeme de transmission d'informations a frequences porteuses et a modulation prealable
BE864981A (fr) Installation pour chiffrer a l'emission et dechiffrer a la reception des informations
BE837591A (fr) Systeme de transmission d'informations a frequences porteuses
FR2324180A1 (fr) Systeme de transmission de signaux d'horloge et de signaux auxiliaires
BE862549A (fr) Dispositif de transmission d'informations destine a relier plusieurs abonnes 0 un central
FR2403573B1 (fr) Faisceau de base et cable pour la transmission optique des informations
BE836880R (fr) Systeme de transmission d'informations
BE824603A (fr) Systeme de transmission d'informations par satellite
BE870317A (fr) Appareil repondeur pour un systeme de transmission d'informations en micro-ondes
FR2641919B1 (fr) Dispositif de transmission d'informations utilisant une modulation en frequence