JPH0338149A - Handset capable of expansion/contraction - Google Patents

Abstract

PURPOSE:To constitute a handset with excellent operability by constituting a handset so that the handset is separated into a main body and a projection and the projection is projected from the main body with a spring member provided on the main body. CONSTITUTION:A receiver 2 is provided on a projection 1 and a linking part 3 is expanded rom the rejection 1 and the link 3 is inserted into a groove in a main body 4. A handset 10 is extracted to separate a telephone set main body and the handset 10 and when a pressing section 14 is pushed by a hand, the engagement between an engagement section 13 and a hook 12 is released and the link 3 projects the projection 1 from the main body 4 with the elastic force of a coil spring 15. Thus, the handset with a proper length is formed and the talking by a normal telephone set is applied by a clew of an automobile.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a telephone handset that is equipped with a receiver, a microphone, and a push-button switch, and is held in the hand for transmitting and receiving audio signals. It can be used not only for car phones but also for general household phones.

[Conventional technology]

For many handsets, the distance between the receiver and microphone is set considering standard operating conditions and is fixed, but when installing the handset recessed inside the wall of the device, It is desirable that the total length of the handset can be set short.

One such handset is the Real Fair 1-804
No. 9 is known, in which the microphone portion of the handset is rotatable by 180° to shorten the overall length. However, in this type of device, the handset is embedded in the wall and then taken out to lengthen the overall length, making the device complicated, and there is still room for improvement in the type of handset that is embedded in the wall.

[Problem to be solved by the invention]

The object of the present invention is to provide a device that can shorten or lengthen the overall length of the handset, suitable for the type in which the handset is stored, by pushing the handset into an opening provided in the wall of the device.

[Means for Solving the Problems] To this end, the present invention provides a handset device including a receiver, a microphone, and a push button switch, comprising: a main body portion in which the microphone and the push button switch are integrally provided; a protrusion that is provided so as to be able to protrude from the main body and is integrally provided with the receiver; a spring member that is provided within the main body; and a spring member that extends from the protrusion and receives the elastic force of the spring member to connect the protrusion and the The main body part is increased in dimension and is provided with a connecting part that connects the protruding part and the main body part.

[Function] In the above structure, the main body part and the protrusion part are separated, and the protrusion part is configured to protrude from the main body part by the spring member provided on the main body part, so that it can be embedded in the wall part of the device. When the handset is attached, the distance between the main body and the protruding part can be set short, and when the handset is removed from the device, the distance between the main body and the protruding part can be set longer by the action of the spring member, making it easier for the user to It can be adapted to the eye and ear parts. Also, the microphone and button are integrally configured on the main body side, and the structure on the main body side is better than that on the protrusion side. ! ! Although the configuration is crude, this makes it possible to make the weight of the main body part heavier than that of the protruding part side, and it is possible to make the handset feel good when held. In addition, since the protruding part is configured to extend from the main body via the connecting part using a spring member, it is possible to automate the operation of extending the entire length of the handset, making it easy to operate the handset. Can be configured.

[Effects of the Invention] In the present invention, the dimensions of the receiver and the microphone of the handset can be slidably expanded, contracted, and expanded, making it possible to store the handset by pushing it into an opening of a shallow device. Therefore, it does not take up space to store the handset device, and when the operator picks it up, the overall length of the handset increases due to the action of the springs, making it possible to construct a handset device with good operability. .

〔Example〕

Hereinafter, one embodiment of the present invention will be described based on the drawings.

FIG. 1 is an external perspective view of a handset device according to the present invention, in which numeral 1 denotes a protruding portion and a receiver 2 is provided thereon. Further, a connecting portion 3 extends from the protruding portion l, and the connecting portion 3 is inserted into a groove in the main body portion 4. A plurality of push button switches 6 are provided on the main body portion 4, and a microphone 7 is provided on the main body portion 4. is provided. 8 is a cord connecting the telephone body 9 and the handset 10 in FIG. FIG. 2 is a partially sectional view of the handset 10, and FIG. 3 is a partially sectional view showing the left side of FIG. In FIG. 2, the connecting portion is inserted into the groove of the main body, and a hook 12 is formed at the tip of the connecting portion. Further, a retaining portion 13 for receiving the hook 12 is provided in the groove of the main body portion 4, and the retaining portion 1
3 is integrally molded with a pressing portion 14 made of synthetic resin.

In FIG. 3, the connecting portion 3 is divided into a central pressure receiving portion 3a, left and right first guide portions 3b, and second guide portions 3C, and one end of the pressure receiving portion 3a is in contact with a coil spring 15 within the main body portion 4. The coil spring 15 is inserted into a central groove 16 of the grooves in the main body 4, and on the left and right sides of the groove 16 are second guide portions 3c and 3c. Third groove 17.18
is provided. Since the pressing part 14 is integrally molded with the engaging part 13, by pushing the pressing part 14, the engaging part 13 moves to the right from the state shown in FIG. 2 and can be released from the hook 12. It consists of

FIG. 4 shows an example of a car phone embedded in, for example, an audio-related storage recess in a car instrument panel, and shows a state in which a handset 10 is inserted into an opening in the phone body 9. A hand socket is inserted into the opening of the telephone main body 9 with the aforementioned pressing part 14 exposed to the outside, and the hand 7 upper 10 and the telephone main body 9 are connected by a cord 8.

Pull out the handset 10 attached as described above from the state shown in FIG.
When they are separated and the pressing part 14 is pushed in by hand, the engaging part 13 and the hook 12 are disengaged, and the connecting part 3 causes the protruding part 1 to protrude from the main body part 4 by the elastic force of the coil spring 15. let As a result, a handset having a length as shown in FIG. 2 is constructed, and can be used for ordinary telephone conversation operations by the occupants of the automobile. In this case, the main body 4 is held in the passenger's hand, and the receiver is placed against the passenger's ear. A push button switch and a microphone are provided inside the main body section 4, and the weight is set to be heavier than the protrusion section where the receiver 2 is provided.

In FIG. 4, 20 is a speaker, and the handset 1
It has a receiver function when making telephone calls without using 0, and is also a part that emits a ringer phone when there is an incoming call. Similarly to 6, 21 is a second microphone that functions as a microphone when the handset 10 is not used. Reference numeral 22 represents a power switch, and 23 represents a display section, on which dials and the like are displayed on a liquid crystal display. Reference numeral 24 denotes a one-touch call key, in which registration numbers for six people are registered in the illustrated case, and by pressing one of the push buttons, a one-touch call can be made. 25 is a start/end switch for starting or ending transmission; 26 is a volume switch for controlling the volume of the speaker 20;

Next, an electrical connection diagram will be explained based on FIG.

Reference numeral 30 denotes an antenna outside the vehicle, and the radio waves received by the antenna outside the vehicle are sent to a radio device 31, and from this radio device a signal is transmitted to the telephone main body 9. The telephone main body 9 is connected to the vehicle meter as shown in FIG. A microprocessor (CPU) 34 that is attached to the panel receives a signal from the start/end switch 25 and issues a command to start operating as a telephone, an LCD driver 33 that drives the display section 23, and commands from the CPU 34. Changeover switch 36゜3
A hands-free control section 35, etc., which performs control of 7 is provided.

Next, the signal from the telephone main body 9 is transmitted via the cord 8 to a handset 10 provided with a push button switch and the like, and within the handset 10 a second CPU 40 and the like are provided.

The operation of the above configuration will be explained. To explain the case of making a telephone call using a handset, when there is an incoming call, the radio 31 transmits the incoming signal to the telephone main body 9,
A signal corresponding to the ringer sound from the radio 31 is transmitted to the speaker 2 via the changeover switch 37 controlled by the hands-free control section 35 by the action of the CPU 34.
0, and a ringer sound is blown from the speaker 20.

As a result, when the occupant pulls out the handset 10 shown in FIG. 4 from the opening of the telephone main body 9 and presses the pressing part 14 with the force of this pulling out, the engagement part 13 and the hook 12 are automatically disengaged. The handset is now in the extended position as shown in FIG.

Next, the receiver 2 and microphone 7 are used to start operating the telephone as a normal telephone.

When the call is over, the handset 10 of FIG. 2 is pushed into the opening of the telephone body 9 of FIG. 4. Due to this pushing force, the connecting portion 3 protrudes from the protruding portion 1 and the main body portion 4
The hook 12 slides in the inner groove, and the hook 12 automatically engages with the engaging portion 13. As a result, the overall length of the handset 10 is shortened, and a microswitch (not shown) provided deep in the opening of the telephone main body 9 is pressed by the tip of the protrusion 1 of the handset 10, and the CPU 34 is commanded to end the telephone call. Note that 41 in FIG. 5 indicates this microswitch, and a termination command for the telephone main body 9 is automatically issued by inserting the handset. Note that it is also possible to command the end of the operation of the telephone main body 9 by turning off the start/end switch 25 provided in FIG. It is operated when used for so-called hands-free calling.

In FIG. 5, reference numerals 42 to 47 are power supply circuits, and the DC power supplied from the on-vehicle battery to the radio 31 is supplied to each part by these power supply circuits. Also,
48 to 52 are amplifiers for audio signals, 55 is a volume switch, and 56 is a sidetone circuit, and this sidetone circuit 56 is for feeding back a part of the audio signal from the microphone 7 to the receiver 2. moreover,
57 to 60 are buffers provided in the digital signal circuit. Reference numerals 61 and 62 denote a volume 61 and a mute switch 62, which are configured using push button switches integrally provided inside the push button switch 6.

In addition, in FIGS. 2 and 4, the protrusion operation of the protruding part is allowed by the pressing operation of the pressing part 14, but the pressing part 14 can also be omitted; If the handset 10 is inserted into the opening of the telephone main body 9 as shown in FIG. may be provided. As such an engagement mechanism, it is possible to adopt a locking mechanism that is used in various push button switches and the like. That is, when the surface of the handset 10 is pressed and the handset 10 is further pushed into the telephone main body 9 in the state shown in FIG. 10 may be configured to protrude from the telephone main body 9.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing one embodiment of the device of the present invention, FIG.
The figure is a partially sectional side view of the handset device shown in FIG.
FIG. 4 is a front view showing an example in which the handset device of the above embodiment is incorporated into a telephone main body, and FIG. 5 is an overall wiring diagram of the telephone shown in FIG. 4. 1... Projection part, 3... Connection part, 3a... Pressure receiving part,
3b. 3C...Guide part, 4...Body part, 6...Push button switch, 12...Hook, 14...Press part, 15...Coil spring.

Claims (1)

[Claims] A handset device including a receiver, a microphone, and a push-button switch, comprising: a main body in which the microphone and the push-button switch are integrally provided; a protrusion provided integrally; a spring member provided within the main body; and a spring extending from the protrusion and receiving the elastic force of the spring member to increase the dimension between the protrusion and the main body. and a connecting portion connecting the protruding portion and the main body portion.