EP2129166A2 - Video-/Audiowiedergabevorrichtung mit drahtloser Signalübertragungsfunktion und drahtloses Video-/Audioübertragungsmodul dafür - Google Patents

Video-/Audiowiedergabevorrichtung mit drahtloser Signalübertragungsfunktion und drahtloses Video-/Audioübertragungsmodul dafür Download PDF

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Publication number
EP2129166A2
EP2129166A2 EP09161017A EP09161017A EP2129166A2 EP 2129166 A2 EP2129166 A2 EP 2129166A2 EP 09161017 A EP09161017 A EP 09161017A EP 09161017 A EP09161017 A EP 09161017A EP 2129166 A2 EP2129166 A2 EP 2129166A2
Authority
EP
European Patent Office
Prior art keywords
audio signal
wireless
headset
audio
switching unit
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Withdrawn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
EP09161017A
Other languages
English (en)
French (fr)
Other versions
EP2129166A3 (de
Inventor
Pi-Fen Lin
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.)
Sure Best Ltd
Original Assignee
Lin Pi-Fen
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 Lin Pi-Fen filed Critical Lin Pi-Fen
Publication of EP2129166A2 publication Critical patent/EP2129166A2/de
Publication of EP2129166A3 publication Critical patent/EP2129166A3/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1025—Accumulators or arrangements for charging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/05—Detection of connection of loudspeakers or headphones to amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • 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
    • H04R5/033—Headphones for stereophonic communication

Definitions

  • the present invention relates to a video/audio playing apparatus, and more particularly to a video/audio playing apparatus with a wireless audio signal transmission function and its wireless audio signal transmission module.
  • video/audio multimedia technology develops rapidly, the technologies and types of video/audio players (such as televisions, stereos, multimedia players and computer multimedia centers, etc) advance and grow accordingly, and their designs support various different video/audio formats and additional functions to provide better visual and auditory effects.
  • video/audio players such as televisions, stereos, multimedia players and computer multimedia centers, etc
  • the video/audio playing apparatus has a function of transmitting wireless audio signals to a wireless headset.
  • the video/audio playing apparatus can directly switch an output path of the audio signal according to the connection and application of the wireless headset.
  • the video/audio playing apparatus further provides a simple and easy way for users to control the switching of the output path of the video/audio playing apparatus by selectively storing the wireless headset into a place slot.
  • the present invention provides a video/audio playing apparatus with a wireless audio signal transmission function, and the apparatus comprises: a headset place slot, an audio processing module, a wireless audio signal transmission module and a system audio interface, wherein the headset place slot is provided for containing and electrically coupling a wireless headset, and transmitting an electric potential signal, and the audio processing module is provided for outputting an audio signal.
  • the wireless audio signal transmission module further comprises: an audio signal switching unit and a control unit, wherein the audio signal switching unit is provided for receiving the audio signal, and switching an output path of the audio signal according to the electric potential signal.
  • the control unit is connected to the audio signal switching unit for connecting the wireless headset via a wireless connection, and outputting the audio signal from the wireless headset according to the switching of the audio signal switching unit. Further, the system audio interface is connected to the audio signal switching unit for outputting the audio signal according to the switching of the audio signal switching unit.
  • the present invention provides a video/audio playing apparatus of a wireless audio signal transmission, and the apparatus comprises: a main body and a wireless audio signal transmission module, wherein the main body includes a system audio interface and an audio processing module, and the audio processing module is provided for outputting an audio signal to the system audio interface.
  • the wireless audio signal transmission module is installed outside the main body and inserted to the system audio interface, and further comprises: a headset place slot, an audio signal switching unit, a control unit and a module sound source interface.
  • the headset place slot is provided for containing and electrically coupling a wireless headset and transmitting an electric potential signal
  • the audio signal switching unit is provided for receiving the audio signal and switching an output path of the audio signal according to the electric potential signal.
  • the control unit is connected to the audio signal switching unit and also connected to the wireless headset via a wireless connection for outputting the audio signal of the wireless headset according to the switching of the audio signal switching unit.
  • the module sound source interface is connected to the audio signal switching unit for outputting the audio signal according to the switching of the audio signal switching unit.
  • the present invention provides a wireless audio signal transmission module applied to a video/audio playing apparatus for receiving an audio signal outputted by the video/audio playing apparatus, and transmitting signals to a wireless headset via a wireless transmission.
  • the invention comprises: a control unit, a connecting interface and an audio signal switching unit.
  • the control unit is connected to the wireless headset via a wireless connection for outputting the audio signal through the wireless headset, and the connecting interface is electrically coupled to a headset place slot for transmitting an electric potential signal.
  • the audio signal switching unit is provided for receiving the audio signal, and connecting the control unit and a speaker, and switching an output path of the audio signal according to the electric potential signal. If the wireless headset is placed into the headset place slot, the audio signal switching unit will switch the connection to the speaker. If the wireless headset is not placed into the headset place slot, the audio signal switching unit will switch the connection to the control unit, for outputting the audio signal through different output paths.
  • the video/audio playing apparatus has a wireless audio signal transmission function, and uses a simple and easy way of switching the output path of the video/audio playing apparatus by selectively storing the wireless headset.
  • the present invention integrates a wireless audio signal transmission module and a video/audio playing apparatus, so that the video/audio playing apparatus not only can output the audio signal from the original speaker, but also can output the audio signal from the wireless headset connected via a wireless connection.
  • different output paths can be switched by a simple connection of the wireless headset, so that users can easily switch the output path without changing their original using habits.
  • the wireless audio signal transmission module of the invention is designed by a specification of a Bluetooth technology, a far infrared technology or a radio frequency (RF) technology.
  • the video/audio playing apparatus 1 comprises: a wireless audio signal transmission module 11, an audio processing module 12, a system audio interface 13 and a headset place slot 14.
  • the wireless audio signal transmission module 11 of this embodiment is designed with a built-in video/audio playing apparatus 1.
  • the headset place slot 14 is provided for containing and electrically connecting a wireless headset 8 and generating an electric potential signal.
  • the audio processing module 12 refers to a processing module for processing and playing an audio signal in a video/audio playing apparatus 1, and outputting the processed audio signal.
  • the system audio interface 13 can be designed as a slot connected to a sound source for connecting the video/audio playing apparatus 1 to a speaker 9 to output the audio signal.
  • the wireless audio signal transmission module 11 is connected to the audio processing module 12 and the headset place slot 14, and further comprises: an audio signal switching unit 111, a control unit 112, a connecting interface 113, a power supply circuit 114, an antenna module 115 and a memory unit 116.
  • the control unit 112 is connected to the antenna module 115 for connecting the wireless headset 8 via a wireless connection, and the connecting interface 113 is provided for connecting the headset place slot 14 to transmit the electric potential signal to the audio switching unit 111.
  • the audio signal switching unit 111 is connected to the control unit 112 and the system audio interface 13 for receiving the audio signal, and switching an output path of the audio signal according to the electric potential signal. In other words, the audio signal switching unit 111 switches the output path according to the electric potential signal, and outputs the audio signal from the wireless headset 8 through the control unit 112, or outputs the audio signal from the speaker 9 through the system audio interface 13.
  • the electric potential signal transmitted from the headset place slot 14 is produced according to the condition whether or not the wireless headset 8 is placed into the headset place slot 14 in the actual application.
  • the actual design of the wireless headset 8 usually comes with an independent power supply (which is in a high potential), so that if the wireless headset 8 is placed into the headset place slot 14 (whose connection is not shown in the figure), then it means that the wireless headset 8 is not being used by users, and thus the headset place slot 14 can transmit a high electric potential signal provided by the wireless headset 8 to audio signal switching unit 111 through the contact with the independent power supply of the wireless headset 8 to switch the connection of the audio signal switching unit 111 to the system audio interface 13, and output the audio signal from the speaker 9.
  • the wireless headset 8 is not placed into the headset place slot 14, then it means that the wireless headset 8 is being used, and thus the headset place slot 14 just transmits a low electric potential signal to the audio signal switching unit 111, such that the audio signal switching unit 111 sends the audio signal to the control unit 112 to output from the wireless headset 8.
  • the low electric potential signal is achieved by a pull low resistor circuit to prevent an unstable low electric potential signal caused by signal interferences.
  • the power supply circuit 114 receives power supplied by video/audio playing apparatus 1 to produce electric power and connects to the connecting interface 113, such that if wireless headset 8 is placed into the headset place slot 14, the electric power is supplied to the wireless headset 8.
  • the wireless headset 8 further includes a charging circuit (not shown in the figure) for charging a headset battery (not shown in the figure) in the wireless headset 8 after receiving the power.
  • the wireless audio signal transmission module 11 includes a memory unit 116 such as a firmware for accesses during the operation of the control unit 112.
  • Fig. 2 for a block diagram of a video/audio playing apparatus with a wireless audio signal transmission function in accordance with a second preferred embodiment of the present invention
  • the principle of operation of this embodiment is substantially the same as the first preferred embodiment, and the major difference resides on the hardware of the video/audio playing apparatus.
  • the wireless audio signal transmission module 21 is connected to the exterior of a main body 20 of the video/audio playing apparatus.
  • the main body 20 of the video/audio playing apparatus comprises an audio processing module 22 and a system audio interface 23 (such as a sound source slot).
  • the audio processing module 22 is also provided for outputting an audio signal to the system audio interface 23.
  • the wireless audio signal transmission module 21 is inserted to the system audio interface 23 for receiving an audio signal outputted by the audio processing module 22.
  • the wireless audio signal transmission module 21 is provided for transmitting audio signals to a wireless headset 8 via a wireless transmission, and further comprises: an audio signal switching unit 211, a control unit 212, a connecting interface 213, a power supply interface 214, an antenna module 215, a memory unit 216, a module battery unit 217, a module sound source interface 218 and a headset place slot 219.
  • the control unit 212 is connected to the antenna module 215 for connecting the wireless headset 8 via a wireless transmission through the antenna module 215.
  • the module sound source interface 218 is connected to a speaker 9, and the headset place slot 219 is provided for containing and electrically connecting the wireless headset 8 to transmit an electric potential signal, when users stop using the wireless headset 8.
  • the control unit 212 and module sound source interface 218 is connected to the audio signal switching unit 211, and the audio signal switching unit 211 is provided for receiving the audio signal and switching an output path of the audio signal according to the electric potential signal. Therefore, the audio signal switching unit 211 switches the output path according to the electric potential signal, and outputs the audio signal from the wireless headset 8 through the control unit 212, or outputs the audio signal from the speaker 9 through the module sound source interface 218.
  • the connecting interface 213 is connected between the headset place slot 219 and the audio signal switching unit 211 for providing the electric potential signal transmitted by the headset place slot 219 to the audio signal switching unit 211.
  • the transmitted electric potential signal refers to an electric potential signal that is generated according to the actual situation of whether or not the wireless headset 8 is placed into the headset place slot 219.
  • the electric potential signal has been defined previously in the first preferred embodiment, and thus will not be given here.
  • the external connecting design of this embodiment can achieve the purpose of switching the output path.
  • a module battery unit 217 is designed as an independent power supply for supplying power for the operation of the wireless audio signal transmission module 21.
  • the power supply interface 214 can be a DC power supply connecting interface for receiving and converting utility power into a power supply outputted to the wireless audio signal transmission module 21 when the power of the module battery unit 217 is exhausted.
  • the control unit 212 further includes a battery charging module 2121, so that when the power supply interface 214 is connected to the utility power, the power converted by the power supply interface 214 is received for charging the module battery unit 217.
  • the power supply interface 214 is connected to the connecting interface 213 for supplying power to the wireless headset 8 through the connecting interface 213 and the headset place slot 219.
  • the wireless headset 8 further includes a charging circuit (not shown in the figure) for receiving the power supply directly to change a headset battery (not shown in the figure) in the wireless headset 8, if the wireless headset 8 is placed into the headset place slot 219.
  • the design of the main body 20 of the video/audio playing apparatus comes with a place slot (not shown in the figure) for inserting the wireless audio signal transmission module 21 into the system audio interface 23, such that when the wireless audio signal transmission module 21 is connected externally to the main body 20, the audio signal transmission module 21 can be installed further into the headset place slot to improve the aesthetic look and reduce the occupying space.
  • Fig. 3 illustrate the circuit of an audio signal switching unit in accordance with a preferred embodiment of the present invention, wherein the audio signal switching unit includes two controllers U1 and U2 for processing the left and right channels of a sound source respectively.
  • the connector CON1 is provided for receiving and transmitting an audio signal (which is a signal source) outputted by a sound source processing module.
  • the connector CON2 is provided for receiving an electric potential signal transmitted by the connecting interface.
  • the connector CON3 is one of the output paths of the audio signal for connecting the control unit, and the connector CON4 is another output path of the audio signal for connecting the speaker by the sound source interface. Therefore, the controllers U1, U2 switch different output paths by the electric potential signal transmitted from the connector CON2.
  • the user When a user is using the wireless headset, the user removes the wireless headset from the headset place slot, and thus the electric potential signal received by the connector CON2 is a low electric potential signal.
  • a resistor R2 can be grounded to assure that the controllers U1, U2 can receive the low electric potential signal. Therefore, the controllers U1, U2 will switch the connection for transmitting the audio signal received by the connector CON1 to the connector CON3 and the control unit, so that the user can hear the audio signal from the wireless headset.
  • the controllers U1, U2 will switch the connection for transmitting the audio signal received by the connector CON1 to the connector CON4 and the sound source interface, so that the audio signal cannot outputted from the speaker connected to the sound source interface.
  • the video/audio playing apparatus 1 is a television in this embodiment, and the wireless audio signal transmission module 11 is built in the television.
  • the audio signal played by the video/audio playing apparatus 1 is outputted from the wireless headset 8, and the speaker 9 connected to the video/audio playing apparatus 1 will stop outputting any sound.
  • the Bluetooth wireless transmission technology is adopted in the design, if the user is listening to a sound of an audio signal played by the video/audio playing apparatus 1 through a Bluetooth headset, the Bluetooth headset will switch to a Bluetooth connection to connect other Bluetooth devices (such as a mobile phone). If other Bluetooth devices finish their use, the application will be switched back to the video/audio playing apparatus 1 for a continual listening to the sound corresponding to the audio signal.
  • Fig. 4B if the user places the wireless headset 8 back to the headset place slot 14, the sound corresponding to the audio signal played by the video/audio playing apparatus 1 will be switched automatically to the speaker 9 for the output. Now, the wireless headset 8 will stop operating.
  • the present invention makes use of a simple reduced circuit design to integrate the wireless audio signal transmission module and the video/audio playing apparatus, so that the video/audio playing apparatus has the wireless audio signal transmission function for transmitting signals to the wireless headset via a wireless transmission.
  • the video/audio playing apparatus can switch different output paths of the audio signal directly according to the connection and application condition of the wireless headset.
  • the video/audio playing apparatus also allows users to switch the output path of the video/audio playing apparatus by selectively placing the wireless headset into the headset place slot without requiring a change of the user's original using habit.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Television Receiver Circuits (AREA)
EP09161017A 2008-05-23 2009-05-25 Video-/Audiowiedergabevorrichtung mit drahtloser Signalübertragungsfunktion und drahtloses Video-/Audioübertragungsmodul dafür Withdrawn EP2129166A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008003371U JP3143722U (ja) 2008-05-23 2008-05-23 無線オーディオ伝送機能付きのビデオ−オーディオプレイヤーとその無線オーディオ伝送モジュール

Publications (2)

Publication Number Publication Date
EP2129166A2 true EP2129166A2 (de) 2009-12-02
EP2129166A3 EP2129166A3 (de) 2011-11-16

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EP09161017A Withdrawn EP2129166A3 (de) 2008-05-23 2009-05-25 Video-/Audiowiedergabevorrichtung mit drahtloser Signalübertragungsfunktion und drahtloses Video-/Audioübertragungsmodul dafür

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EP (1) EP2129166A3 (de)
JP (1) JP3143722U (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013106107A1 (en) * 2012-01-09 2013-07-18 Fxconnectx, Llc System for wireless switching and controlling of audio signals as related to musical audio applications such as audio applications such as audio effects, effects pedals, pedalboards, mixers, and studio equipment
US9012748B2 (en) 2012-11-06 2015-04-21 Fxconnectx, Llc Ultimate flexibility wireless system for remote audio effects pedals
US9226064B2 (en) 2013-03-12 2015-12-29 Fxconnectx, Llc Wireless switching of effects pedals with status updates
CN107864422A (zh) * 2017-09-26 2018-03-30 捷开通讯(深圳)有限公司 播放设备及基于播放设备的播放方法
CN113054874A (zh) * 2021-04-28 2021-06-29 深圳市翔智达科技有限公司 可以随音符跳动的马达控制电路及电子设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3473130B1 (de) 2015-09-30 2021-08-04 Apple Inc. Gehäuse mit magnetischem exzentermechanismus
CN110851105B (zh) * 2019-10-29 2023-07-28 珠海市杰理科技股份有限公司 无线音频播放方法及电路

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DE102004032487A1 (de) * 2004-07-05 2006-02-23 Juster Co., Ltd., San Chung Drahtloses Übertragungssystem zum Anschluß an verschiedene Tonquellen
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US20080032664A1 (en) * 2006-07-19 2008-02-07 Ping-Hui Chou Handheld apparatus with detachable audio device
WO2008033491A2 (en) * 2006-09-15 2008-03-20 Plantronics, Inc. Audio data streaming with auto switching between wireless headset and speakers

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Publication number Priority date Publication date Assignee Title
DE9315109U1 (de) * 1993-10-05 1993-12-16 Hoersch Franz Fernsehempfangsgerät
US6104819A (en) * 1997-06-02 2000-08-15 Gateway 2000, Inc. Combination speaker and earphone apparatus
DE102004032487A1 (de) * 2004-07-05 2006-02-23 Juster Co., Ltd., San Chung Drahtloses Übertragungssystem zum Anschluß an verschiedene Tonquellen
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013106107A1 (en) * 2012-01-09 2013-07-18 Fxconnectx, Llc System for wireless switching and controlling of audio signals as related to musical audio applications such as audio applications such as audio effects, effects pedals, pedalboards, mixers, and studio equipment
US9012748B2 (en) 2012-11-06 2015-04-21 Fxconnectx, Llc Ultimate flexibility wireless system for remote audio effects pedals
US9226064B2 (en) 2013-03-12 2015-12-29 Fxconnectx, Llc Wireless switching of effects pedals with status updates
CN107864422A (zh) * 2017-09-26 2018-03-30 捷开通讯(深圳)有限公司 播放设备及基于播放设备的播放方法
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CN113054874A (zh) * 2021-04-28 2021-06-29 深圳市翔智达科技有限公司 可以随音符跳动的马达控制电路及电子设备
CN113054874B (zh) * 2021-04-28 2023-02-17 深圳市翔智达科技有限公司 可以随音符跳动的马达控制电路及电子设备

Also Published As

Publication number Publication date
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JP3143722U (ja) 2008-07-31

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