WO2008039099A1 - Dispositif universel d'interfaçage d'un dispositif de lecture audio et d'un récepteur radio - Google Patents

Dispositif universel d'interfaçage d'un dispositif de lecture audio et d'un récepteur radio Download PDF

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Publication number
WO2008039099A1
WO2008039099A1 PCT/RU2006/000706 RU2006000706W WO2008039099A1 WO 2008039099 A1 WO2008039099 A1 WO 2008039099A1 RU 2006000706 W RU2006000706 W RU 2006000706W WO 2008039099 A1 WO2008039099 A1 WO 2008039099A1
Authority
WO
WIPO (PCT)
Prior art keywords
radio
antenna
input
output
radio receiver
Prior art date
Application number
PCT/RU2006/000706
Other languages
English (en)
Russian (ru)
Inventor
Joseph Van Oosterum
Dmitri Mikhailovich Gordeev
Mikhail Evgenjevich Smirnov
Original Assignee
Joseph Van Oosterum
Dmitri Mikhailovich Gordeev
Mikhail Evgenjevich Smirnov
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 Joseph Van Oosterum, Dmitri Mikhailovich Gordeev, Mikhail Evgenjevich Smirnov filed Critical Joseph Van Oosterum
Publication of WO2008039099A1 publication Critical patent/WO2008039099A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/034—Portable transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
    • H04B1/207—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver with an audio or audio/video bus for signal distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R2011/0294—Apparatus with multi-functionalities, e.g. radio and telephone

Definitions

  • the invention relates to telecommunication devices for interfacing sound reproducing systems with a radio receiver.
  • a simple method is known that does not require any additional interface devices. This method applies only to those radios that have an audio input. If there is such an input for the radio, then the pairing of the sound reproducing system and a radio receiver can be provided by connecting the audio output of the first to the audio input of the last cable. Unfortunately, radios with audio input are not common.
  • the radio has a cassette for listening to tape recordings (i.e., it is a radio)
  • a special cassette can be used (see US patent N ° 6304764, HOlB 1/38, publ. 16.10 .2001) equipped with an electrical circuit generating a magnetic field modulated by sound signals.
  • the closest in combination of features and adopted as a prototype is a universal device for interfacing a sound reproducing system with a car radio (US patent JY ° 44906 H04Q 7/32, publ. 18.04.2000), including a control unit and an radio frequency sound signal converter electrically connected to it, input which is made with the possibility of electrical connection with the audio output of the sound reproducing system, and the output is electrically connected to the radio transmitter.
  • This device provides the conversion of sound signals from the universal audio output of the sound reproducing system into the radio frequency range and the emission of electromagnetic waves thus obtained in the operating range of the car radio. Radio receiving these signals as signals from an individual radio station, it detects them in a standard way and reproduces the sound component through the car speaker system.
  • the disadvantage of the prototype is low noise immunity. This disadvantage is associated with a fundamental limitation of the output power of the radio signal radiated into the air by the interface device.
  • the signal cannot be powerful, otherwise it will interfere with radio reception in other cars following the highway or standing in traffic jams next to a car equipped with the described device. More powerful radio signals of stationary stations generating at close frequencies can distort or even completely suppress the radio signal of the prototype device.
  • the task to which the invention is directed is to increase the noise immunity.
  • the problem is solved by achieving a technical result, which consists in providing the possibility of interfacing a sound reproducing system with a radio receiver via a radio channel without radiation.
  • the universal device for interfacing a sound reproducing system with a radio receiver including a control unit and an radio-frequency sound signal converter electrically connected to it, the input of which is made with the possibility of electrical connection with the audio output of the sound reproducing system, an antenna switch, a first antenna the input of which is configured to connect an antenna to it, the second antenna input is connected by a coaxial cable a radio frequency output transducer audio signals, the antenna output is configured the ability to connect to the antenna input of the radio, and the control input is electrically connected to the control unit.
  • the inventive device provides the pairing of the audio output of the sound reproducing system with the radio receiver, and the specified pairing is achieved in such a way that radiation of radio waves into the air does not occur. This makes it possible to significantly increase the power of the signal supplied to the antenna input of the radio receiver and thereby increase the noise immunity of the device.
  • the invention is disclosed in the drawing.
  • the drawing shows a diagram of the inventive device, which shows: control unit 1, made, for example, in the form of an electric switch; radio-frequency sound signal converter 2, which is an electronic module based on, for example, ROHM BH1417F; a sound reproducing system 3, which is, for example, an MP3 player from iRiver; antenna switch 4, made on the basis of a controlled electromagnetic relay.
  • the first antenna input of the antenna switch 4 is electrically connected to the antenna 5
  • its second antenna input is connected by a coaxial cable 6 to the output of the radio frequency sound transducer 2
  • the antenna output is connected to the antenna input of the radio receiver 7, and the control input is electrically connected to the control unit 1.
  • Acoustic system 8 is electrically connected to the audio output of the radio 7.
  • the claimed invention works as follows. When installing the inventive device, for example, in the car, the user must:
  • the device When you connect the audio output of the sound reproducing system 3 to the input of the radio frequency transducer of sound signals 2 and applying a positive electric potential from the source to the circuit of the radio frequency transducer of sound signals 2 and antenna switch 4, the device is ready for operation.
  • the electrical contacts of the antenna switch 4 are arranged in such a way that the antenna 5 is electrically connected through them to the antenna input of the radio receiver 7, which operates in the normal mode and ensures the reception of radio broadcasts and sound reproduction through the speaker system 8.
  • the user controls the device using the control unit 1 by, for example, pressing a button and closing the circuits of the radio frequency transducer of the audio signals 2 and the antenna switch 4 to ground.
  • the radio frequency sound signal converter 2 converts the electrical signals from the audio output of the sound reproducing system 3 into the radio range
  • the antenna switch 4 opens the contacts providing the electrical connection of the antenna 5 to the antenna input of the radio 7, and closes the contacts providing the electrical connection of the radio frequency output audio signal transducer 2 through a coaxial cable 6 with the antenna input of the radio 7.
  • the conjugation in the claimed invention is achieved in such a way that radiation of radio waves into the air does not occur. This makes it possible to significantly increase the power of the signal supplied to the antenna input of the radio 7 and, thereby, increase the noise immunity of the device.
  • the totality of the claimed features is new, ensures the achievement of the specified technical result and allows us to solve the problem, namely, to increase the noise immunity of the device compared to the prototype due to the possibility of direct connection of the sound reproducing system to the radio receiver via a radio channel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

L'invention concerne des dispositifs universels d'interfaçage de lecteurs audio, dotés d'une sortie audio universelle, et d'un récepteur radio. Ce dispositif permet la transmission de signaux audio de la sortie du dispositif de lecture vers une chaîne acoustique connectée à la sortie du récepteur radio. L'invention comprend un bloc de commande, un convertisseur de signaux audio à radiofréquences, connecté électriquement à ce dernier et dont l'entrée permet la connexion électrique avec la sortie audio universelle du dispositif de lecture audio, ainsi qu'un commutateur d'antenne dont la première entrée d'entée a été réalisée avec la possibilité de connexion d'une antenne et dont la deuxième entrée d'antenne est connectée par un câble coaxial à la sortie du convertisseur de signaux audio à radiofréquences, l'entrée d'antenne étant réalisée de manière à permettre la connexion à l'entrée d'antenne du récepteur radio, et son entrée de commande étant connectée électriquement au bloc de commande.
PCT/RU2006/000706 2006-09-26 2006-12-27 Dispositif universel d'interfaçage d'un dispositif de lecture audio et d'un récepteur radio WO2008039099A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2006134242 2006-09-26
RU2006134242 2006-09-26

Publications (1)

Publication Number Publication Date
WO2008039099A1 true WO2008039099A1 (fr) 2008-04-03

Family

ID=39230422

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2006/000706 WO2008039099A1 (fr) 2006-09-26 2006-12-27 Dispositif universel d'interfaçage d'un dispositif de lecture audio et d'un récepteur radio

Country Status (1)

Country Link
WO (1) WO2008039099A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5867794A (en) * 1996-09-20 1999-02-02 Ericsson Inc. Audio-output for a portable radio telephone utilizing a vehicle's AM/FM radio
US6052603A (en) * 1995-04-11 2000-04-18 Mold-Tech Plastics Limited Partnership System for interfacing a communication device with a radio for hands-free operation
WO2000052984A1 (fr) * 1999-03-05 2000-09-08 Xm Satellite Radio Inc. Systeme de transmission de signaux d'une source audio auxiliaire a un recepteur radio au moyen d'une liaison radio
RU2257673C2 (ru) * 1999-12-16 2005-07-27 Дэвис Индастриал Коммьюникейшнз Лимитед Радиосистема с беспроводным удаленным модулем нажимной кнопки включения передачи

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6052603A (en) * 1995-04-11 2000-04-18 Mold-Tech Plastics Limited Partnership System for interfacing a communication device with a radio for hands-free operation
US5867794A (en) * 1996-09-20 1999-02-02 Ericsson Inc. Audio-output for a portable radio telephone utilizing a vehicle's AM/FM radio
WO2000052984A1 (fr) * 1999-03-05 2000-09-08 Xm Satellite Radio Inc. Systeme de transmission de signaux d'une source audio auxiliaire a un recepteur radio au moyen d'une liaison radio
RU2257673C2 (ru) * 1999-12-16 2005-07-27 Дэвис Индастриал Коммьюникейшнз Лимитед Радиосистема с беспроводным удаленным модулем нажимной кнопки включения передачи

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