FR2606569A1 - TELEPHONE INSTALLATION, IN PARTICULAR A WIRELESS PORTABLE TELEPHONE COMPRISING AN AURICULAR MICROPHONE - Google Patents

Abstract

THE INVENTION RELATES TO A TELEPHONE INSTALLATION, IN PARTICULAR A WIRELESS PORTABLE TELEPHONE STATION. THE PROBLEM TO BE SOLVED CONSISTS OF CREATING AN INSTALLATION WHICH IS NOT AFFECTED BY SURROUNDING NOISE AND WHICH ALLOWS TO KEEP HANDS FREE. THE INSTALLATION IS CHARACTERIZED IN THAT IT INCLUDES AN EAR MICROPHONE 12 WITH A VIBRATION SENSOR DEVICE 21 FOR SENSING A VOICE SIGNAL CONDUCTED BY THE BONES AND FROM THE WALL OF THE EXTERNAL HEARING CANAL, A VOICE TRANSDUCER 22 CONVERTING THE SIGNAL RECEIVED IN A VOICE. THE INVENTION IS APPLICABLE IN PARTICULAR TO INSTALLATIONS TO OPERATE IN A NOISY ENVIRONMENT.

Description

1 2606569

  "Telephone installation, including telephone

  wireless notebook with an ear microphone ".

  The present invention relates to a telephone system, in particular a wireless mobile telephone, comprising an ear microphone, suitable for use in a noisy environment due to the presence of the ear microphone, with a sensor device for receiving a sound signal driven by the bones and coming from the wall of the external auditory canal of the ear, a vocal transducer being provided

  to convert the received signal into a voice.

  A conventional telephone set mainly comprises, as represented for example in FIG. 8, a call dial set 1 and a handset 2 to be connected to a main line 3 by means of a ring and a signal circuit. connection to "pick up" or "hang up". Another telephone is also known in which a combined 2C consists of a microphone and a voice transducer arranged separately so that one

  can talk while having a free hand.

  When such a conventional telephone system is used on a construction site, the conversation is difficult to understand because of the surrounding noise. When the telephone is installed in an automobile, operating disadvantages arise and discomfort due to surrounding noise. The telephone set in which a voice transducer and a microphone are arranged separately is easily affected by surrounding noise. It is also difficult to keep the secret of the content of the conversation and, moreover, it is difficult to have a construction

  Economic D of the telephone.

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  A conventional wireless portable station comprises, as represented for example in FIG. 9, a box containing a radio installation as well as a circuit unit 5 for communicating by radio signals with the box by forming a suitable signal at a conductor level. main. The signal communication takes place by high frequency waves via antennas 6 and 7. In FIG. 9, the reference numeral 8 denotes a central

  intended for a normal telephone exchange.

  FIG. 10 shows a conventional example in which a handset 9 with a calling dial and a radio installation 10 are separately constituted for transmission and reception by means of antennas 6, 7, similarly to FIG. 9. This example can also be used as a transceiver without using a dial unit

of call, nor a standard 8.

  When these conventional examples are used 2C on a construction site, disadvantages similar to those mentioned above occur. It is difficult to have a

  normal conversation because of the surrounding noise.

  Accordingly, the present invention is intended in particular to create a telephone system which is of simple construction, which is not affected by the surrounding noise, which allows to maintain the

  secret and operate by keeping hands free.

  Another object of the present invention is to create a cordless mobile telephone installation which is of simple construction, which is not affected by the surrounding noise, which allows to keep the secret and to operate while keeping the hands free. In this

  Indeed, the invention relates to an installation of the type

  characterized in that it comprises an ear microphone with a vibration sensor device for

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  sensing a voice signal driven by the bones from the wall of an external auditory canal, this sound signal being converted into a signal corresponding to the voice of a living being, a voice transducer being incorporated into the microphone to convert a signal sound received in an auditory signal to be sent for use in the external auditory canal, and an amplifier for amplifying the speech signal corresponding to the vibrations and send this signal in a telephone circuit, which here allows the transmission and reception retaining hands free. Other objects, features and advantages of the invention will appear more clearly on reading

  the following description, together with the attached drawings,

  in which: FIG. 1 is an explanatory view of the principle of a telephone installation comprising an ear microphone according to the invention; FIG. 2 is a block diagram showing an embodiment of the telephone installation according to the invention; FIG. 3 is a view showing a handset in use; FIG. 4 is a sectional view of a combined handset; FIG. 5 is a view showing another embodiment of the installation; FIG. According to the invention, FIG. 6 is an explanatory view of the principle of the exemplary embodiment according to FIG. 5, FIG. 7 is a view showing the structure of another embodiment of FIG. telephone installation according to the invention, - Figure 8 is a front elevation of a conventional telephone system,

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  Fig. 9 and Fig. 10 are views showing a conventional wireless portable telephone set. The preferred embodiment of the present invention will now be described in detail in

referring to the accompanying drawings.

  FIGS. 1 to 4 show an exemplary embodiment of a telephone installation comprising a telephone set 11 provided with call keys 13, a

  ear microphone 12 which operates as a transmitter

  receiver to be introduced into the external auditory canal of a user's ear, an amplifier

  14 to amplify a voice signal produced by the transmitter

  Receiver 12 and a network control circuit 15. Reference numeral 16 denotes a central office connected by a main line to the telephone set 11. The reference numeral 17 designates a handset which may be provided in conjunction with the transceiver 12 or may be made separately from it. FIG. 3 represents 2G the transceiver 12 introduced into an external auditory canal 18 for the transmission of an electrical signal by conductors 19. FIG.

  internal transceiver 12.

  The ear microphone or transceiver 12 is constructed to be able to transmit an external acoustic signal through a conduit 20 directly to the external auditory canal. Vibrations of the voice conducted by the bones of a living being are converted into an electrical signal by a vibrating-type microphone sensor device 21. Reference numeral 22 designates a voice transducer for converting the electrical signal into acoustic signals, this transducer

  being conduction type or electrostatic type.

  Conductors 23, 24 start from the sensor device 21 and the voice transducer 22 and are connected to the telephone set 11 shown in FIG.

--2606569

  telephone 11 can be constituted to be a car telephone. In this case, the telephone set 11 is connected to the central station 16 by a radiotelephone installation. When the telephone is called, the buzzer or buzzer

  work. So when an operator picks up the transmitter-

  receiver 12 or press the answer key, the extension

  telephone is in a state that allows for conversation.

  The operator then sets the transceiver 12 in the external auditory canal and his hands are free. Since the voice is sent directly to the sensor device in the form of vibrations, a conversation taking place via the transceiver 12 is perceived with sounds slightly different from those with the sound reception. by a normal receiver. Therefore, the operation with the transceiver 12 may be structurally limited to what is necessary to converse with the

  handset 17 shown in FIG.

  In the structure described above, the sound signal driven by the bones (vibrations) and coming from the wall of the external auditory canal is converted into an electrical signal. This signal is amplified by an amplifier 14, contained in the telephone set 11, at a level allowing transmission in a telephone channel. The volume of sound reception is

  also set to an acceptable level for hearing.

  The signal is transmitted to the transceiver 12.

  The transceiver 12 contains a built-in bidirectional converter, i.e., a vibration type microphone 21 and a voice transducer 22. This converter is constructed to be able to be contained in the external auditory canal. Therefore, the transceiver 12 can be used by keeping the hands free to remove the discomfort

brought to manual work.

6 Z 2606569

  Figures 5 & 7 show an exemplary embodiment of portable wireless telephone system according to the present invention. The telephone system comprises a transceiver 12 to be introduced into an external ear canal, a transceiver with a battery and a transceiver unit, and an antenna 26 for

  transmission and reception of radio waves. The transceiver

  receiver 25 is provided for the conversation, by iCi means of a high frequency signal and through antennas 26, 28, with a transceiver 27

shown in Figure 6.

  In the embodiment according to FIG. 6, the transceivers 12 and 25 are arranged

  together in an ear microphone.

  In the embodiment described above, a sound signal driven by the bones (vibrations) coming from the wall of the external auditory canal and emitted by a living being in the transceiver 12 is transmitted in the form of radio waves. by the antenna 26. This signal is transmitted to the transceiver 27. The sound signal from the main line is transmitted as a radio signal from the antenna 28 and

  it is received by the receiver of the transceiver 12.

  Fig. 7 illustrates another embodiment of a telephone system according to the present invention, with a transceiver 25 separate from a transceiver 12. In this

  telephone installation, a battery 31 and a transmitter

  The receiver 30 are arranged separately in respective envelopes. The transceiver 12 is fixed in the external auditory canal at the time of the call to be put into a branch state, or it can be put into the conversation state by actuating another switch. In addition, the conversation state can be

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  established by pressing specific keys on the unit

Appeal 29.

  In the embodiment described above, the sound signal driven by the bones (vibrations) coming from the wall of the external auditory canal and emitted by a living being in the transceiver is transmitted in the form of radio waves to the transceiver 27 from the antenna 26, the sound signal from the main line is transmitted as a radio signal from the antenna 28 and is received by the receiver of the transceiver 12 The call dial unit 29 and remote control is operated at the time of the call and the audible call is produced by the buzzer or buzzer of the transceiver 14 at the time of, the call or the ring sound is produced by

the transceiver 12.

2C 3-

Claims (3)

  1) Telephone installation, especially portable wireless telephone, characterized in that it comprises an ear microphone (12, 25) with a vibration sensor device (21) for receiving a voice signal driven by the bones and coming from the wall of an external auditory canal, this sound signal being converted into a signal corresponding to the voice of a living being, a voice transducer (22) being incorporated in the microphone for converting a received sound signal into an auditory signal to be sent for be used in the external auditory canal, and an amplifier (14) for amplifying the vocal signal corresponding to the vibrations and send this signal in a telephone circuit, which allows transmission and reception by keeping the hands free.  2) Telephone installation according to claim 1, characterized in that it comprises a transmitter (12, 25, 27, 30) for transmitting the voice signal from the vibrations in the form of a radio signal, and a receiver (12, 25, 27 , 30) for receiving a conversation signal transmitted by radio waves, which allows transmission and reception in keeping your hands free.   3) telephone installation according to claim 2, characterized in that the transmitter and the receiver (31) and a control stack (30) of the transmitter and the receiver are incorporated in the transceiver (25).