GR910100504A - Method and arrangement for the transmission of coded data - Google Patents

Method and arrangement for the transmission of coded data

Info

Publication number
GR910100504A
GR910100504A GR910100504A GR910100504A GR910100504A GR 910100504 A GR910100504 A GR 910100504A GR 910100504 A GR910100504 A GR 910100504A GR 910100504 A GR910100504 A GR 910100504A GR 910100504 A GR910100504 A GR 910100504A
Authority
GR
Greece
Prior art keywords
signals
frequency
broadcast
modulated
coded data
Prior art date
Application number
GR910100504A
Other languages
Greek (el)
Inventor
Dimitri Baranoff-Rossine
Original Assignee
Baranoff Rossine Dimitri
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 Baranoff Rossine Dimitri filed Critical Baranoff Rossine Dimitri
Publication of GR910100504A publication Critical patent/GR910100504A/en

Links

Abstract

A method of radio broadcasting coded data placed on a traditional frequency modulation transmitter includes: modulation of coded data to be broadcast by frequency shift at a predetermined frequency range, between approximately 15 and 18 KHz, to produce modulated coded signals; mixing of the modulated coded signals with low frequency signals of the above mentioned traditional mixed signal broadcast program with a frequency modulation radio transmitter, (20) where the divergence ratio of the frequency of the coded signals modulated by frequency shift, expressed in HERTZ, in proportion to the broadcast ratio of the coded data to be broadcast, expressed in BAUDS, is maintained between 85 and 120 percent. The method also includes the attenuation stage of the modulated coded signals at approximately 20 to 40 dB relative to the instantaneous broadcast level of the low frequency signals of a traditional program, where the attenuation ratio of modulated coded signals depends continually on the instantaneous level of low frequency signals of the above mentioned traditional program.
GR910100504A 1991-12-18 1991-12-18 Method and arrangement for the transmission of coded data GR910100504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR91100504 1991-12-18

Publications (1)

Publication Number Publication Date
GR910100504A true GR910100504A (en) 1993-08-31

Family

ID=10940828

Family Applications (1)

Application Number Title Priority Date Filing Date
GR910100504A GR910100504A (en) 1991-12-18 1991-12-18 Method and arrangement for the transmission of coded data

Country Status (1)

Country Link
GR (1) GR910100504A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379947A (en) * 1979-02-02 1983-04-12 Teleprompter Corporation System for transmitting data simultaneously with audio
DE3311646A1 (en) * 1983-03-30 1984-10-11 Institut für Rundfunktechnik GmbH, 8000 München Method for transmitting an additional signal in a stereophonic useful signal
EP0135192A2 (en) * 1983-09-16 1985-03-27 Audicom Corporation Encoding of transmitted program material
EP0172095A1 (en) * 1984-07-30 1986-02-19 Dimitri Baranoff-Rossine Method and arrangement for transmitting coded information by radio channel in superposition on a traditional frequency modulation transmission

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379947A (en) * 1979-02-02 1983-04-12 Teleprompter Corporation System for transmitting data simultaneously with audio
DE3311646A1 (en) * 1983-03-30 1984-10-11 Institut für Rundfunktechnik GmbH, 8000 München Method for transmitting an additional signal in a stereophonic useful signal
EP0135192A2 (en) * 1983-09-16 1985-03-27 Audicom Corporation Encoding of transmitted program material
EP0172095A1 (en) * 1984-07-30 1986-02-19 Dimitri Baranoff-Rossine Method and arrangement for transmitting coded information by radio channel in superposition on a traditional frequency modulation transmission

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