EP0967749A2 - Système pour la transmission et la réception de programmes radiophoniques, qui ont été marqués par un code spécifique, ce qui facilite la recherche automatique de ces programmes, quelle que soit l'émetteur qui diffuse ces programmes - Google Patents

Système pour la transmission et la réception de programmes radiophoniques, qui ont été marqués par un code spécifique, ce qui facilite la recherche automatique de ces programmes, quelle que soit l'émetteur qui diffuse ces programmes Download PDF

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Publication number
EP0967749A2
EP0967749A2 EP99830208A EP99830208A EP0967749A2 EP 0967749 A2 EP0967749 A2 EP 0967749A2 EP 99830208 A EP99830208 A EP 99830208A EP 99830208 A EP99830208 A EP 99830208A EP 0967749 A2 EP0967749 A2 EP 0967749A2
Authority
EP
European Patent Office
Prior art keywords
program
piece
programmes
radio
code
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.)
Withdrawn
Application number
EP99830208A
Other languages
German (de)
English (en)
Other versions
EP0967749A3 (fr
Inventor
Flavio Di Capua
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0967749A2 publication Critical patent/EP0967749A2/fr
Publication of EP0967749A3 publication Critical patent/EP0967749A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/37—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying segments of broadcast information, e.g. scenes or extracting programme ID
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/13—Aspects of broadcast communication characterised by the type of broadcast system radio data system/radio broadcast data system [RDS/RBDS]

Definitions

  • This code can have two or more digits according to as many programs as you want to put in the list of the programs which can be preset.
  • the transmitters which are interested in this project will have, obviously, to agree on and draw up a CODES / PROGRAMS / PIECES list which, then, the common communications channels used by the press specialized in radio programs will circulate to the users.
  • the block diagram in the picture 1 reports, in a very schematic way, those which are the basic elements of a radio receiver today: a tuner (1), a decoder of the RDS/PAD signal which, in turn, controls the tuner (1), a medium frequency amplifier, a discriminator for the audio signal revelation and, therefore, the low frequency preamplification and amplification phases which control the loudspeaker. There is, obviously, a luminous display which visualizes the current information.
  • the tuner selector When you turn the apparatus on, the tuner selector is in a stand by position and allows the signal which is tuned by the tuner 1 to pass toward the medium frequency and the listening circuits (and it allows the indications toward the luminous display too), as it normally happens in actual radio receivers.
  • the Tuner 2 starts its automatic search and begins to explore all the frequencies of the selected band.
  • the system decodifies the RDS/PAD signal, separates the RDSP/PADP signal and presents it to a comparator which compares it with that coming from the preset programs/pieces selector. This comparation happens, obviously, for every frequency tuned during the automatic search of the Tuner 2. Only if the two signals coincide the comparator activates a MATCH signal which, in turn, sets the following functions :
  • the transmitter stops transmitting the RDSP/PADP signal, so the comparator switches the MATCH signal off. Because of this:
  • the counter has to have a number of bit equivalent to n
  • the selector memory has to have a size equivalent to C x n bit, organized in C words, each one being n bit long.
  • the system apart from allowing the normal use of a radio receiver set, that is the tuning in any transmitter of the selected band (manually or by means of the automatic search), also permits to tune in any broadcasting station which is transmitting a desired program/piece preset by means of a prefixed code, which is transmitted by the transmitter together with the RDS/PAD signal and which identifies the program/piece itself unequivocally.
  • the tuning can be only automatic, as the broadcasting station which transmits the desired program/piece is a priori unknown.
  • the system is not addressed only to the mobile receivers for which the RDS/PAD concept has been introduced, but it can be extended to the fixed installations too, so it allows to benefit by an automatic search concerning programs/pieces rather than frequencies.
  • the PLS function can be activated even if the user is using other sound sources ( c. d. ,cassettes ) or if the apparatus is in a stand-by condition.
  • the PLS function is based on the search of a numerical code in which you have previously keyd; you can use:
  • the PTY function appears vague and not flexible, as it regards codes prefixed by the producer, which one can' t bring up to date at all; therefore thr PTY system doesn' t manage to involve the interest and the active participation of the transmitters, of the other media and of all the firms that mean to advertise their goods.
  • PLS system By means of the PLS system, on the contrary, you can involve:
  • the RDS system in this case is not useful as the car radio should be on for the duration of the whole journey so as to allow the automatic frequency passages according to the area; On the contrary by means of the PLS system, you have only to key in 7 and in few seconds the car radio tunes itself automatically in the frequency of " Radio x " concerning the city of Palermo.
  • the PLS system can be defined as an " interactive system" thanks to which the transmitters and the users are be able to communicate among themselves more easily.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
EP99830208A 1998-05-14 1999-04-12 Système pour la transmission et la réception de programmes radiophoniques, qui ont été marqués par un code spécifique, ce qui facilite la recherche automatique de ces programmes, quelle que soit l'émetteur qui diffuse ces programmes Withdrawn EP0967749A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRM980308 1998-05-14
IT1998RM000308A IT1303042B1 (it) 1998-05-14 1998-05-14 Sistema per la trasmissione e la ricerca di programmi radiofoniciassociati ad un codice prefissato, che ne consenta la ricerca

Publications (2)

Publication Number Publication Date
EP0967749A2 true EP0967749A2 (fr) 1999-12-29
EP0967749A3 EP0967749A3 (fr) 2001-09-05

Family

ID=11405920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99830208A Withdrawn EP0967749A3 (fr) 1998-05-14 1999-04-12 Système pour la transmission et la réception de programmes radiophoniques, qui ont été marqués par un code spécifique, ce qui facilite la recherche automatique de ces programmes, quelle que soit l'émetteur qui diffuse ces programmes

Country Status (2)

Country Link
EP (1) EP0967749A3 (fr)
IT (1) IT1303042B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1924013A3 (fr) * 2006-11-16 2009-03-11 Humax Co., Ltd. Sélection d'un syntoniseur dans un récepteur de diffusion numérique doté des plusieurs syntoniseurs
US10140084B2 (en) 2000-10-12 2018-11-27 Bose Corporation Interactive sound reproducing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4499601A (en) * 1982-10-18 1985-02-12 Matthews Gordon H Method and apparatus for automatically detecting and playing desired audio segments over a broadcast receiver.
US4682370A (en) * 1982-10-18 1987-07-21 Matthews Gordon H Apparatus for automatically detecting and playing desired audio segments over a broadcast receiver
GB2258102A (en) * 1991-06-26 1993-01-27 Royal College Of Art Storage of received programme segments in ram
DE19901242A1 (de) * 1999-01-14 2000-07-20 Hans Joachim Otto Verfahren zum wahlweisen Empfangen und Wiedergeben ausgewählter Sendebeiträge verschiedener Sender mit einem Empfangsgerät, sowie Empfangsgerät hierzu

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10140084B2 (en) 2000-10-12 2018-11-27 Bose Corporation Interactive sound reproducing
US10481855B2 (en) 2000-10-12 2019-11-19 Bose Corporation Interactive sound reproducing
EP1924013A3 (fr) * 2006-11-16 2009-03-11 Humax Co., Ltd. Sélection d'un syntoniseur dans un récepteur de diffusion numérique doté des plusieurs syntoniseurs
EP2398169A1 (fr) * 2006-11-16 2011-12-21 Humax Co., Ltd. Sélection de syntoniseurs dans un récepteur de diffusion numérique ayant des syntoniseurs multiples
US8228442B2 (en) 2006-11-16 2012-07-24 Humax Co., Ltd. Tuner selection in digital broadcasting receiver having multiple tuners

Also Published As

Publication number Publication date
ITRM980308A1 (it) 1999-11-14
ITRM980308A0 (it) 1998-05-14
IT1303042B1 (it) 2000-10-23
EP0967749A3 (fr) 2001-09-05

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