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

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
US3931600A (en) * 1973-06-11 1976-01-06 Kokusai Electric Co., Ltd. Mechanical filter
JPS5639568B2 (it) * 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
AR222015A1 (es) 1981-04-15
DE2729839B2 (de) 1980-07-31
LU79906A1 (it) 1978-12-07
ATA474378A (de) 1984-02-15
DE2729839A1 (de) 1979-01-04
BR7804184A (pt) 1979-04-10
US4320366A (en) 1982-03-16
YU155578A (en) 1982-06-30
SE7807419L (sv) 1979-01-02
CH634699A5 (de) 1983-02-15
AT376085B (de) 1984-10-10
NL7806929A (nl) 1979-01-03
IT7825178A0 (it) 1978-06-30
AU509603B2 (en) 1980-05-15
IT1096840B (it) 1985-08-26
GB1603559A (en) 1981-11-25
JPS5414110A (en) 1979-02-02
DE2729839C3 (de) 1981-03-26
FR2396474A1 (fr) 1979-01-26
AU3706878A (en) 1979-12-20

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