JPH1119590A - Vibration generator and portable communication device using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vibration generator in which a function for reporting receipt of a message by means of vibration and a function of a receiving speaker are combined in one device. SOLUTION: There are provided a fixed member 2, a first vibration body 10 which is comprised of a permanent magnet 7 and yokes 8, 9 and supported in the member 2 through a first spring body 6 and has a resonance frequency f0, and a second vibration body 14 which is supported by the member 2 through a second spring body 12 and comprised of a coil 13 disposed in a magnetic gap formed by the yokes 8, 9, and by applying a signal having a frequency of f0 to the coil, a reporting is made by vibration, and by applying a signal of voice band to the coil, an action as a receiving speaker is effected as well.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an incoming call notifying device used for a portable communication device such as a portable telephone or a radio, and furthermore, it is constructed so that information can be notified to a user by vibration. And a portable communication device using the same.

[0002]

2. Description of the Related Art Small devices such as portable communication devices are provided with, for example, notification means for notifying an incoming call, notification of a predetermined time, and the like. Many. However, in recent years, in consideration of surrounding people, in addition to the notification means by sound, a notification means by vibrating the device is built in, and both notification means are used according to the situation, or There is an increasing number of small devices that selectively use the notification means. For example, FIG.
5 shows a prior art of such a conventional mobile phone. In FIG. 5, 101 is a mobile phone main body, 102 is an antenna, 103 is a receiving speaker, 104
Is a transmission microphone, 105 is a display, and 106 is various operation buttons. A ringer speaker 107 for notifying the incoming call by sound and a vibration motor 108 for notifying the incoming call by vibration are arranged in the mobile phone main body 101. As described above, in the related art, it is common that the notification means by sound and the notification means by vibration are respectively built in the device. Further, similarly to the ringer speaker, a receiving speaker which is a device for generating sound is also provided. Therefore, there is a problem that the miniaturization of the device is hindered.

[0003]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and is intended to reduce the size of the device by using the receiving speaker and the notification vibration generating device as one component. Things.

[0004]

In order to solve this problem, an alarm device according to the present invention comprises a fixing member, a permanent magnet and a yoke, is supported by the fixing member by a first spring body, and has a f0. First having a resonance frequency
And a second vibrating body composed of a coil supported by a second spring body on the fixed member and arranged in a magnetic gap formed by the yoke, and a signal having a frequency of f0 is applied to the coil. In this case, the first vibrating body is vibrated, and a signal in a voice band is applied to the coil to vibrate the second vibrating body to output the signal in the voice band as a sound wave.

The vibration generator according to the present invention is characterized in that the second vibrator has a substantially flat characteristic in a voice band.

Further, a portable communication device according to the present invention comprises a first vibrating body comprising a fixed member, a permanent magnet and a yoke, supported by the first spring member and having a resonance frequency of f0. The second fixing member
A vibration generating device comprising a second vibrating body comprising a coil supported by a spring body and arranged in a magnetic gap formed by the yoke; an incoming call detection circuit for detecting an incoming call to the own station; When a signal is generated, when an incoming call to the own station is detected by the incoming call detecting means, a signal output from the signal generating means is applied to the vibration generating device, and output from the signal generating means simultaneously with the start of a call. The voice signal of the other party to be received is applied to the vibration generator instead of the received signal.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a portable communication device according to the present invention will be described below.

FIG. 1 is a cross-sectional view showing a notification vibration generating device which functions as a receiving speaker according to the present invention. In the figure, reference numeral 3 denotes a cylindrical case, 4 denotes an upper case, and 5 denotes a lower case. These cylindrical case 1, upper case 2, and lower case 3 constitute a fixing member 2, and a space formed by the fixing member 2. The first vibration system and the second vibration system are supported, and the notification vibration generating device 1 is configured. An opening 4a for transmitting sound waves to the outside is open at the center of the upper case 4.

The first vibration system is composed of a first spring body 6 formed by using an elastic material such as a thin metal plate, rubber, resin or the like so as to be deformable in a direction perpendicular to the surface, a permanent magnet 7 and the permanent magnet 7. A first yoke 8 composed of an upper yoke 8 and
The first vibrating body 10 is constituted by a vibrating body 10 and attached to the inner peripheral side of the first spring body 6 by bonding or the like.
The outer peripheral side of the spring body 6 is sandwiched between the cylindrical case 3 and the lower case 5, and attached by bonding or the like. Thereby, the first vibration system can vibrate up and down with respect to the fixed member 2. A magnetic gap 1 such that a second vibration system described later can be moved up and down by a permanent magnet 7, an upper yoke 8 and a lower yoke 9.
1 is formed.

On the other hand, the second vibrating body 14 is constituted by a second spring body 12 and a coil 13 which are formed of the same elastic material as the first spring body 6 so as to be deformable in a direction perpendicular to the surface. The coil 13 is attached to the inner peripheral side of the second spring body 12 by adhesion or the like, and the outer peripheral side of the second spring body 12 is attached to the cylindrical case 3 and the upper case 4 by adhesion or the like. A diaphragm 12a is formed at the center of the second spring body 12. Thus, the second vibration system can vibrate up and down with respect to the fixed member 2. The coil 13 is provided movably in the magnetic gear 11 of the first vibrating body 10. Therefore,
By applying a current to the coil 13, the first vibrating body 10
A repulsive force or attractive force acts between the second vibrating body 14 and the second vibrating body 14. Therefore, by periodically changing the value of the current supplied to the coil 13, a periodic electromagnetic force acts as an external force on the first vibrating body 10 and the second vibrating body 14, respectively. Forced vibration can be generated in each of the two vibration systems. Due to this forced vibration, the first
The vibration system transmits the vibration to the fixed member 2 by the restoring force of the first spring body 6 by the first vibrating body 10 to vibrate the device, thereby realizing the notification by the vibration. In addition, due to this forced vibration, the second vibration system causes the diaphragm 12 of the second vibrating body 14 to move.
a vibrates the air to generate a sound wave, and the sound wave propagates through the opening 4a of the upper case 4 to the outside.

FIG. 2 is a graph showing the amplitude characteristics of the vibrating body with respect to the frequency of the current flowing through the coil 13 in such a vibration generating device. The first vibrating body 10 has a natural frequency having a frequency f1 (for example, 100 Hz). The second vibrating body 14 has a substantially flat characteristic in a voice band. Therefore, when the signal of f0 (100 Hz) is applied to the coil 13, the first vibrating body 10 vibrates, the vibration is transmitted to the fixed member 2, and the entire vibration generator 1 vibrates. On the other hand, when a signal in a voice band is applied to the coil 13, the diaphragm 12a of the second vibrating body 14 vibrates, and a voice corresponding to the voice signal is generated as in a normal speaker.

FIG. 3 shows an embodiment in which the above-mentioned vibration generator 1 is used in a portable telephone device.
Is a mobile phone body, 16 is an antenna, 17 is a transmission microphone, 18 is a display, 19 is various operation buttons, 20
Is a ringer speaker. And the mobile phone body 1
The vibration generating device 1 as described above is built in a position facing the ear when the transmitting microphone 17 is adjusted to the position of the mouth of the user.

FIG. 4 is a block diagram of an embodiment of the present invention. The analog audio signal input from the transmission microphone 17 is converted into a digital audio signal by the audio processing circuit 21, then processed by the signal processing circuit 22, and processed by the radio circuit 2.
After being subjected to frequency conversion and modulation at 3, the signal is transmitted from the antenna 16 at a predetermined transmission output. On the other hand, the antenna 16
The received signal is subjected to frequency conversion and demodulation in a radio circuit 23, a digital audio signal is taken out in a signal processing circuit 22, converted to an analog audio signal in an audio signal processing circuit 21, and Is applied to the terminal a.

A control circuit 25 controls the entire apparatus. An incoming call detection circuit 26 detects a call to the own station. The mobile phone constantly receives radio waves transmitted from the public base station intermittently, and receives the signal processing circuit 2
The incoming call detection circuit 26 detects the presence or absence of a call to the own station from the control signal processed in step 2. Numeral 27 denotes a call setting means for setting whether the notification at the time of the incoming call is made by sound or by vibration. The call setting means 27 is configured as one of the operation buttons 19 or is used to operate any one of the operation buttons 19. It is configured as a combination. The operation of the call setting means 27 is transmitted to the control circuit 25 and stored.

Reference numeral 28 denotes a ringer signal generating means, which is controlled by the control circuit 25 in response to an incoming call to its own station when the call setting means 27 is set to notify the incoming call by sound. A drive signal is applied to 20 to generate a ringer sound. Reference numeral 29 denotes a vibration signal generating means, which is about 100 hours for vibrating the first vibrating body 10 of the vibration generating device 1.
Generates the signal of z. The signal generated by the vibration signal generating means 29 is guided to the other contact b of the switch 24. When an incoming call is detected by the incoming call detection circuit 26, the control circuit 25 simultaneously operates one or both of the ringer signal generating means 28 and the vibration signal generating means 29, and switches the switch 24 to the contact b. Therefore, according to the setting of the call setting means 27 by the user, at the time of an incoming call, one or both of the ringer signal generating means 28 and the vibration signal generating means 29 are simultaneously driven under the control of the control circuit 25, and the sound is output from the ringer speaker 20. Of the incoming call, or the vibration is generated by the vibration generator 1.

When the user recognizes the incoming call and goes off-hook, the control circuit 25 stops driving the ringer signal generating means 28 or the vibration signal generating means 29,
The switch 24 is switched to the contact a. As a result, the voice signal of the telephone partner output from the voice processing circuit 21 is applied to the vibration generator 1 and the second vibrator 14
The vibration of the vibration generating device 1 functions as a receiving speaker due to the vibration, and a call is made.

[0017]

As described above, according to the present invention, since the vibration generator for notifying the incoming call also functions as the receiving speaker, not only the notification of the incoming call but also the voice signal can be transmitted. It is possible to reduce the size of the entire apparatus, and it is possible to reliably notify the incoming call.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a vibration generator according to the present invention.

FIG. 2 is a graph showing characteristics of the vibration generator according to the present invention.

FIG. 3 is an external perspective view showing a portable communication device according to the present invention.

FIG. 4 is a block diagram showing an embodiment of a portable communication device according to the present invention.

FIG. 5 is an external perspective view showing a conventional portable communication device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vibration generator 2 Fixed member 6 First spring body 7 Permanent magnet 8 Upper yoke 9 Lower yoke 10 First vibrator 11 Magnetic gap 12 Second spring body 13 Coil 14 Second vibrator 20 Ringer speaker 26 Incoming detection circuit 27 Calling Setting means 28 Ringer signal generating means 29 Vibration signal generating means

Claims (4)

[Claims] A fixed member, a permanent magnet and a yoke;
9, a first vibrating body 10 supported by the first spring body 6 at the fixed member and having a resonance frequency of f0, and the yokes 8, 9 supported by the second spring body 12 at the fixed member. And a second vibrating body 14 composed of a coil 13 disposed in the magnetic gap 11 formed by the first vibrator. By applying a signal of a frequency f0 to the coil, the first vibrating body is vibrated, and sound is generated by the coil. A vibration generator, wherein the second vibrating body is vibrated by adding a band signal to output the sound band signal as a sound wave. 2. The vibration generator according to claim 1, wherein said second vibrator has substantially flat characteristics in a voice band. 3. A fixed member 2, a permanent magnet 7, a yoke 8,
9, a first vibrating body 10 supported by the first spring body 6 at the fixed member and having a resonance frequency of f0, and the yokes 8, 9 supported by the second spring body 12 at the fixed member. A vibration generator 1 including a second vibrating body 14 including a coil 13 disposed in a magnetic gap 11 formed by a magnetic field, an incoming call detection circuit 26 for detecting an incoming call to the own station, and a signal having a frequency f0. When an incoming call is detected by the incoming call detecting means, the signal output from the signal generating means is applied to the vibration generating device and output from the signal generating means simultaneously with the start of a call. A portable communication device, wherein a voice signal of a call partner received in place of a signal is applied to the vibration generator. 4. A ringer speaker 2 for notifying an incoming call by sound
4. The mobile phone according to claim 3, wherein the mobile terminal has a setting of 0 to notify the user of the incoming call by using the vibration of the vibration generating device or to use the ringer speaker to notify the user of the incoming call according to a setting preset by the user. Communication device.