METHOD FOR TRANSFERRING EMERGENCY SITUATION MESSAGES VIA RADIO Russian patent published in 2004 - IPC

Abstract RU 2237973 C2

FIELD: radio engineering.

SUBSTANCE: method includes switching stereo-coder to mono mode and increasing level of output signal of coder, while depth of modulation of frequency modulated signal of carrying frequency increases, due to detecting of signals of increased level, mono-phonic receivers reproduce voice message about emergency situations.

EFFECT: higher quality of radio transmission, broader range of certain receiving of radio transceiver.

1 dwg

Similar patents RU2237973C2

Title Year Author Number
IMPROVING AUDIO SIGNAL OF FM STEREOPHONIC RADIO RECEIVER BY USING PARAMETRIC STEREOPHONIC CODING 2010
  • Engdegard, Jonas
  • Purnhagen, Heiko
  • Roeden, Karl, Jonas
RU2491763C1
METHOD OF NOTIFYING THE PUBLIC, A PUBLIC WARNING SYSTEM FOR REALIZING SAID METHOD AND A RADIO RECEIVING DEVICE FOR REALIZING SAID METHOD 2018
  • Dvorkovich Viktor Pavlovich
  • Sedov Vitalij Anatolevich
  • Dvorkovich Aleksandr Viktorovich
  • Sedov Igor Vitalevich
  • Irtyuga Vladimir Aleksandrovich
  • Stepushchenko Oleg Aleksandrovich
RU2697823C1
DETECTION OF HIGH QUALITY IN FREQUENCY MODULATED STEREO RADIO SIGNALS 2012
  • Engdegard Jonas
  • Purnhagen Heiko
  • Sehlstrom Leif
RU2584009C2
METHOD OF STEREOPHONIC RADIO BROADCAST AND BROADCASTING SYSTEM 0
  • Chekcheev Sergej Andreevich
SU1775867A1
DEVICE FOR EMBEDDING DIGITAL INFORMATION INTO AUDIO SIGNAL 2010
  • Zhidkov Sergej Viktorovich
RU2492579C2
METHOD AND SYSTEM FOR TRANSMITTING DIGITAL INFORMATION VIA BROADCAST CHANNEL 2013
  • Zhidkov Sergej Viktorovich
RU2554507C2
MODULATION METHOD AND BLOCK DIAGRAM OF INFORMATION SIGNAL TRANSMISSION 1996
  • Andress Ral'F Petersen
  • Khuberti Manfred
  • Shtampeh Tomas
RU2194368C2
NOISE SUPPRESSION ON BASIS OF FORECASTING IN STEREOPHONIC RADIO SIGNAL WITH FREQUENCY MODULATION 2012
  • Purnhagen Heiko
  • Sehlstrom Leif
  • Engdegard Jonas
RU2576467C2
DEVICE FOR AUDIO CHANNEL TESTING 0
  • Khazanov Aleksandr Shmerovich
  • Majzuls Roman Abramovich
  • Pankin Stanislav Vladimirovich
  • Yauya Stanislav Yanovich
  • Vitols Armand Yanovich
  • Rutkis Maris Uldovich
SU1658406A1
METHOD FOR BROADCASTING FREQUENCY-MODULATED STEREO RADIO SIGNAL IN UHF AND VHF BANDS IN PILOTTONE SYSTEM 2000
  • Zubarev Ju.B.
  • Polykovskij A.M.
  • Chernov Ju.A.
RU2226038C2

RU 2 237 973 C2

Authors

Eliseev S.N.

Makarov A.F.

Maslov E.N.

Dates

2004-10-10Published

2002-08-07Filed