KR20010111074A - Hand free earphone for cellular phone - Google Patents

Abstract

The present invention relates to an ear microphone for a mobile phone having an extended function in addition to the general call function and easy to use and carry. To this end, the present invention is a code of a predetermined length capable of bidirectional movement of the electrical signal; A plug which is connected to the cord and is inserted into a connection jack of a mobile phone so as to communicate with the cord; An earphone connected to the cord and converting an electrical voice signal of the other party into a voice that can be recognized; And connected with the code, the microphone for converting the user's voice into a timely voice signal and the operation unit for performing various functions and the earphone and the microphone and the operation unit in conjunction with the operation and recording of the call and the predetermined voice information between the other party Provides an ear microphone for a mobile phone, which is composed of a voice processor including a signal processor for processing a voice signal for playback.

Description

Hands-free earphones for mobile phones {HAND FREE EARPHONE FOR CELLULAR PHONE}

The present invention relates to a peripheral device for a mobile phone, and more particularly, to an ear microphone for a mobile phone connected to the mobile phone to enable a call without directly using the mobile phone itself.

Mobile phones enable users to talk anywhere and anytime, and mobile phone usage continues to increase due to such convenience. Due to the popular dissemination, various peripheral devices are being developed to make the use of the mobile phone more convenient, and an ear microphone is a representative example.

1 is a plan view illustrating a general mobile phone ear microphone and the schematic configuration will be described with reference to the following.

The ear microphone is a cord (1) of a predetermined length, the plug (2) and earphones (4) connected to both ends of the cord (1) as shown, and the middle of the plug (2) and earphone (4) It consists of a microphone (3) connected to. In addition, the cord 1 is connected to the clip 5 for attaching the ear microphone itself to the user.

When using such an ear microphone, a call is initiated by pressing the switch 3a in both cases of answering or making a call. Thereafter, the other party's voice signal is converted into voice through the earphone 4 and output to the user, and the voice of the user is converted into a voice signal through the microphone 3 and transmitted to the other party through the mobile phone. The call termination is likewise carried out by pressing the switch 3a. Therefore, the user can make a call without using a microphone or speaker built in the mobile phone itself, that is, without using a hand.

However, as mentioned above, due to the proliferation of mobile phone use, the demands of the users for not only mobile phones but also various peripheral devices are also diversified. Therefore, in order to secure marketability, in addition to the basic call function, additional functions are required for the ear microphone.

The present invention has been made to solve the above problems, an object of the present invention is to provide an ear microphone for a mobile phone having a more extended function in addition to the call function.

1 is a plan view showing a typical mobile phone ear microphone.

2 is a plan view showing an ear microphone for a mobile phone according to the present invention.

Figure 3 is a block diagram showing in detail the voice processor of the ear microphone according to the present invention.

Figure 4 is a plan view showing a modification of the ear microphone for a mobile phone according to the present invention.

Description of the main parts of the drawing

10: code 20: plug

30: earphone 40: voice processor

41: microphone 42: control panel

42a: call switch 42b: recording switch

42c: playback switch 43: signal processing unit

43a: microphone synthesis unit 43b: earphone synthesis unit

43c: logic / memory section 43d: first amplifier section

43e: second amplifier 44: battery

50: clip 61: necklace strap

62: band 63: connection

In order to achieve the above object, the present invention is a code of a predetermined length capable of bidirectional movement of the electrical signal; A plug which is connected to the cord and is inserted into a connection jack of a mobile phone so as to communicate with the cord; An earphone connected to the cord and converting an electrical voice signal of the other party into a voice that can be recognized; And connected with the code, the microphone for converting the user's voice into a timely voice signal and the operation unit for performing various functions and the earphone and the microphone and the operation unit in conjunction with the operation and recording of the call and the predetermined voice information between the other party Provides an ear microphone for a mobile phone, which is composed of a voice processor including a signal processor for processing a voice signal for playback.

The operation unit may include a call switch for initiating or ending a call with a counterpart when the call is received; A recording switch for recording a conversation during a call or recording a voice memo of the user to the voice processor; And a play switch for playing the recorded call content or voice memo.

The signal processor may include a microphone synthesizer configured to convert the input voice into an electrical voice signal that may be processed together with the microphone; An earphone synthesizing unit for converting the input electrical voice signal into a voice output from the earphone; A logic and memory unit connected to the microphone synthesizing unit and the earphone synthesizing unit, respectively, for controlling performance of a corresponding function according to an operation signal of the operation unit, and storing and outputting a predetermined voice signal; A first amplifier connected between the microphone synthesis unit and the logic / memory unit to amplify and output an electrical voice signal input during recording; And a second amplifying unit connected between the logic / memory unit and the earphone synthesizing unit to amplify and output the electrical voice signal input during reproduction.

On the other hand, the mobile phone ear microphone according to the present invention is preferably formed in the shape of a necklace to hang on the user's neck. It is made to include.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention in which the above objects can be specifically realized are described with reference to the accompanying drawings. In describing the present embodiment, the same name and the same reference numerals are used for the same configuration and additional description thereof will be omitted below.

2 is a plan view showing an ear microphone for a mobile phone according to the present invention, Figure 3 is a block diagram showing in detail the voice processor of the ear microphone of the present invention. Referring to the drawings in detail the configuration of the present invention will be described.

Earphones for a mobile phone according to the invention is a cord 10 having a predetermined length, the plug 20 is connected to one end of the cord 10, the earphone 30 is connected to the other end of the cord 10 And a voice processor connected between the plug 20 and the earphone 30 through the cord 10, and having a built-in microphone 41 to perform recording and reproducing functions of a predetermined voice information as well as a call function. 40). In addition, the cord 10 is equipped with a clip 50 for attaching the ear microphone to the user by being bitten by the user's clothing.

Here, the cord 10 has a form in which a protective coating is coated on a general electric wire, and enables bidirectional movement of an electric signal for a call. The plug 20 is inserted into a jack embedded in the mobile phone to electrically connect the ear microphone itself to the mobile phone. Accordingly, each component connected to the cord 10 (ie, earphone 30, voice) Processor 40 and the like) to allow electrical signals to be exchanged between the mobile phone. In addition, the earphone 30 plays a role of outputting an electric voice signal of the transferred communication counterpart as a voice that a user can recognize.

In the ear microphone of the present invention, the cord 10, the plug 20, the earphone 30, the clip 50, and the like are the same as the general ear microphone configuration described above, and thus the additional description thereof will be omitted. The sound processor 40 will be described in more detail as follows.

The voice processor 40 performs a call function and a recording / playback function as described above, and for this purpose, a microphone 41 and an operation unit 42 and a circuit which are built in the case are mounted outside the case of a predetermined form. It comprises a processing unit 43.

First, the microphone 41 converts a user's voice into an electrical signal that can be processed by the signal processor 43 and can be transmitted to the other party through the mobile phone.

The operation unit 42 is a button type exposed to the outside of the voice processor 40 as shown, and is composed of a call switch 42a, a recording switch 42b, and a reproduction switch 42c. More specifically, the call switch 42a is used to start or end a call with the other party when the call is received, and the recording switch 42b is used to record predetermined voice information in the voice processor 40. Used. The reproduction switch 42c is used to reproduce this recorded voice information. When the user presses each switch 42a, 42b, 42c in the form of a button, a predetermined control signal is generated to operate the built-in signal processor 43. Accordingly, each switch 42a, 42b for each of the above-mentioned switches is generated. 42c) are performed. In addition, each time the switches 42a, 42b, 42c are toggled, the corresponding function is turned on / off.

Finally, as illustrated in FIG. 3, the signal processor 43 is a circuit unit inside the voice processor 40, and functions in conjunction with the earphone 30, the microphone 41, and the operation unit 42. Process the relevant voice signal so that calls, recording, and playback functions can be performed. To this end, the signal processor 43 is directly connected to the microphone 41 and the earphone 30, respectively, and is connected to the cell phone via the cord 10 and the plug 20, the microphone synthesizer 43a and the earphone synthesizer ( 43b), a logic and memory unit 43c connected between the microphone synthesizing unit 43a and the earphone synthesizing unit 43b. A first amplifier 43d is connected between the microphone synthesizing unit 43a and the logic / memory unit 43c, and a second amplifier unit is provided between the logic / memory unit 43c and the earphone synthesizing unit 43b. 43e is connected. On the other hand, the battery 44 is also embedded in the voice processor 40 to supply power for the operation of the signal processor 43.

Here, the microphone synthesizing unit 43a converts the voice input from the microphone 41 into a processable electric voice signal, and converts the electric voice signal according to a function selected by the operation unit 42 into the logic / memory. Output to the mobile phone via the unit 43c or the plug 20. In addition, the earphone synthesizing unit 43b receives a voice signal from the logic / memory unit 43c or the mobile phone according to the function selected by the operation unit 42, and outputs the input electric voice signal from the earphone 30. Convert it to possible voice.

The logic / memory unit 43c controls the operation of the other components 43a, 43b, 43e, 43d so that a corresponding function is performed in accordance with a control signal of the operation unit 42 directly connected directly. In addition, the logic / memory unit 43c stores predetermined voice information therein when the recording function is selected by the operation unit 42 and outputs stored voice information when the playback function is selected. More specifically, in the present invention, the voice information may be a content of a call between the user and the other party or a voice memo of the user during a call. In addition, the first amplifier 43d amplifies the electric voice signal input from the microphone synthesizing unit 43a during recording and outputs it to the logic / memory unit 43c, and the second amplifier 43e is reproduced. At this time, an electric voice signal input from the logic / memory unit 43c is amplified and output to the earphone synthesizing unit 43b.

On the other hand, to be more convenient to wear and use the ear microphone of the present invention can be formed in the form of a necklace to be worn on the user's neck, Figure 4 is a plan view showing a modification of the present invention having such a necklace form.

As shown, the ear-phone for a mobile phone of the present invention may further comprise a necklace strap 61 attached to the voice processor 40 and a band 62 connecting the voice processor 40 and the mobile phone. have.

The necklace strap 61 is worn around the user's neck when worn. Preferably, the earphone 30 is not cumbersome even when the earphone 30 is separated from the user's ear and the voice processor 40 and to protect the relatively soft cord 10. The cord 10 between the earphones 30 is partially embedded.

Here, a predetermined connection part 63 may be detachably mounted to the voice processor 40, and the band 62 may be connected to the connection part 63. In this case, by separating the connection portion 63 from the voice processor 40, the entire ear microphone can be easily separated from the mobile phone, which provides more practical convenience to the user.

By having such a configuration, the ear microphone according to the present invention can provide a user with convenience of use and portability as well as recording / playback function of additional voice information, and the operation of the ear microphone of the present invention will be described in detail. Is as follows.

When the ear microphone is used, the plug 20 is inserted into the user's mobile phone and the earphone 30 is inserted into the user's ear. The mobile phone is suitably carried in a place such as a user's clothing pocket or a bag, and the ear microphone It is also mounted to the user's garment using the clip 50. On the other hand, as shown in a variant of the present invention, the ear microphone can be more conveniently worn around the neck using a necklace strap 61 integrated therein.

When the call function is used here, when the user presses the call switch 42a, a predetermined control signal is transmitted to the logic / control unit 43c. In this case, the logic / control unit 43c first transmits a predetermined signal to the cellular phone so as to be in the callable state. At the same time, a user voice transmission channel extending from the mobile phone to the microphone synthesizing unit 43a to the microphone 41 and the other voice transmission channel extending from the mobile phone to the earphone 30 via the earphone synthesis unit 43b are formed. Through these two independent voice channels, the user's voice is converted into an electrical voice signal through the microphone 41 and the microphone synthesizing unit 43a and transmitted to the other party. 30) is converted to voice and delivered to the user. Therefore, when using the call function, the user can basically proceed with the call without a separate operation.

Meanwhile, as described above, the ear microphone of the present invention may provide a user with a recording and reproducing function of voice information, which is an additional function, wherein the recording function includes a call recording function for storing details of a call with the other party and Voice memo recording function that stores only the user's own voice.

In the case of using the call recording function, when the user presses the recording switch 42b during a call with the other party, the logic / control unit 43c receiving a predetermined control signal therefrom sends the other party's voice transmission channel to the earphone synthesis unit ( 43b) as well as the microphone synthesizing section 43a. Accordingly, the other party's voice signal is first transmitted from the mobile phone to the microphone synthesizing unit 43a, amplified to a predetermined size by the first amplifier 43d, and then stored in the logic / memory unit 43c. At the same time, as described above, the other party's voice signal transmitted to the earphone synthesizing unit 43b is transmitted as a voice recognizable to the user via the earphone 30. In addition, the user's voice signaled through the microphone 41 and the microphone synthesizing unit 43a is transmitted to the cellular phone and amplified by the first amplifier 43d and stored in the logic / memory unit 43c. .

In the case of using the voice memo recording function, when the user presses the recording switch 42b when the user is not in a call, only the user's voice is used in the microphone 41 and the microphone synthesizing unit 43a. It is converted into an electrical signal and stored in the logic / memory section 43c via the first amplifier section 43d. Therefore, the user can use the voice memo recording function as described above to instantly store important matters as a voice without using a paper and a pen.

Finally, when the user uses the playback function, when the user presses the playback switch 42c, the logic / memory unit 43c receiving the control signal outputs the pre-stored audio signal to the second amplifier 43e. . The second amplifying unit 43e receiving the voice signal is amplified and transferred to the earphone synthesizing unit 43b. The second amplifying unit 43e is converted into voice through the earphone 30 and is transmitted to the user. That is, the user can conveniently check the stored voice information (call contents or voice memo) using the recording function in the state of operating the ear microphone of the present invention.

Although only a few embodiments have been described herein above, it will be apparent to those skilled in the art that the present invention may be embodied in many other specific forms without departing from the spirit and scope thereof. Therefore, the above-described embodiments are to be considered as illustrative and not restrictive, and thus, the invention is not limited to the above detailed description, but may vary within the scope of the appended claims and their equivalents.

Referring to the effect of the earpiece for a mobile phone according to the invention as follows.

In the present invention, the ear microphone includes a signal processing unit including first and second amplifiers and a logic / memory unit, thereby providing a user with a recording and reproducing function of voice information in addition to a general call function. That is, by using the recording and playback function, the user can freely record and play back the contents of the call with the other party and his or her voice memo. Therefore, the expansion of the ear microphone function not only satisfies various needs of the user, but also brings the effect of providing practical convenience.

Also in the ear microphone of the present invention, the components for the above mentioned call, recording and playback functions are integrated in one voice processor. Therefore, it can be designed as a compact and low weight as a whole, thereby improving the convenience of the user's portable. In addition, due to the integrated design, all functions can be performed through the operation of the voice processor, thereby improving convenience in practical use. In addition, the necklace integrated design additionally brings the effect of further extending the portability of the user in the present invention.

Claims (5)

A cord of a predetermined length capable of bidirectional movement of an electrical signal; A plug which is connected to the cord and is inserted into a connection jack of a mobile phone so as to communicate with the cord; An earphone connected to the cord and converting an electrical voice signal of the other party into a voice that can be recognized; And Connected to the code, the microphone for converting the user's voice into a timely voice signal, the operation unit for performing various functions and the earphone, the microphone and the operation unit in conjunction with the recording of the call and the predetermined voice information between the user and the other party / An ear microphone for a mobile phone comprising a voice processor including a signal processor for processing a voice signal for reproduction. The method of claim 1, The operation unit: A call switch for initiating or ending a call with the other party when the call is received; A recording switch for recording a conversation during a call or recording a voice memo of the user to the voice processor; And Earphones for mobile phones comprising a playback switch for playing the recorded call or voice memo. The method of claim 1, The signal processing unit A microphone synthesizing unit converting the input voice into an electrical voice signal which can be processed together with the microphone; An earphone synthesizing unit for converting the input electrical voice signal into a voice output from the earphone; A logic and memory unit connected to the microphone synthesizing unit and the earphone synthesizing unit, respectively, for controlling performance of a corresponding function according to an operation signal of the operation unit, and storing and outputting a predetermined voice signal; A first amplifier connected between the microphone synthesis unit and the logic / memory unit to amplify and output an electrical voice signal input during recording; And And a second amplifying unit connected between the logic / memory unit and the earphone synthesizing unit to amplify and output an electrical voice signal input during reproduction. The method of claim 1, Mobile phone ear microphone, characterized in that formed in the form of a necklace so that the user can hang on the neck. The method of claim 4, wherein Earphones for a mobile phone characterized in that it further comprises a band for connecting the voice strap and the voice processor and the mobile phone attached to the voice processor.