JPH08186517A - Portable radio telephone set - Google Patents

Abstract

PURPOSE: To provide a portable radio telephone set which is eliminated in the malfunction of push buttons at the time of no use, simplified in operations up to a speaking state, miniaturized and improved in portability. CONSTITUTION: This portable radio telephone set is composed of a cylindrical body 1 with bottom surface opened, and a main body 2 of the telephone set to be housed in this cylindrical body 1 so as to be freely put in and out of its bottom surface. Then, a lock mechanism 7 provided at the cylindrical body 1 and an engaging part provided at the main body 2 of the telephone set are engaged inside the cylindrical body 1 and the main body 2 of the telephone set is housed. Besides, on-hook is performed by pushing an ON/OFF switch provided on the inner wall of the cylindrical body 1 corresponding to the head of the main body 2 of the telephone set with this head. On the other hand, when the engagement with the engaging part is canceled by operating the lock mechanism 7, the main body 2 of the telephone set falls down to the position where the lock mechanism provided inside the cylindrical part 1 is locked with a pawl provided at the main body of the telephone set. Further, off-hook is performed at such a time by recovering the ON/OFF switch.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a portable radio telephone designed to improve usability.

[0002]

2. Description of the Related Art At present, a portable radio telephone which can be used outdoors and is convenient to carry is widely known. As shown in FIG. 10, in the conventional portable wireless telephone, a push button 31, a transmitter 32, a receiver 33, a transmission / reception antenna 34, and a display 35 are integrally provided on a telephone body 30.
However, the push button 31 is always exposed, so when you carry it in your bag or clothes pocket,
In some cases, the push button 31 was pushed by the momentum and the call was inadvertently made. In addition, it is advantageous for this type of portable wireless telephone to be small in size, but as the size is reduced, the distance between the transmitter 32 and the receiver 33 becomes narrower, and the transmitter 32 is placed on the ear. In the state, the earpiece 33 is separated from the mouth, making it difficult to pick up the user's voice and making it easy for ambient noise to enter.

In order to solve this, there is a foldable portable radio telephone 40 as shown in FIG. In this telephone 40, a telephone body 41 is provided with a receiving section 42, a cover 43 is provided with a transmitting section 44, and both 41 and 43 are connected to a hinge 4.
It has a structure in which it is foldably connected through 6, and the cover 43 can be formed by folding both 41 and 43 when not in use.
The push button 45 can be covered with and the careless button operation when not in use can be prevented. Also, both 41
-When using with 43 open, an appropriate distance can be secured between the receiving section 42 and the transmitting section 44, so that the call is good.

[0004]

However, since the foldable portable radio telephone 40 described above is usually made of plastic and the hinge 46 is weak, both 41.4
There is a problem that the hinge 46 is damaged due to an excessive load being applied to the opening of the No. 3. Also, before using this from the folded state, you must hold one with one hand and open it with the other hand, especially when the other party is calling and one hand is occupied with a bag etc. Is inconvenient. In addition, since this type of telephone becomes able to talk for the first time by extending the antenna and pressing the call button, at least three operations must be performed to make it possible to talk from the initial folded state. It is troublesome.

The present invention has been made to solve the above-mentioned problems, and when not in use, there is no malfunction of the push button, the operation up to the talking state is easy, and the portable radio telephone is small and portable. It is intended to provide.

[0006]

In order to achieve the above object, a portable radio telephone of the present invention comprises a cylindrical body having an open bottom surface,
It is composed of a telephone body that can be stored in and taken out from the bottom of the barrel. The lock mechanism provided on the tubular body and the engaging portion provided on the telephone body are engaged inside the tubular body, and the telephone body is stored. Further, the head of the telephone body presses an ON / OFF switch provided on the inner wall of the cylindrical body corresponding to this head to hook on the hook. On the other hand, when the lock mechanism is operated to release the engagement with the engaging portion, the telephone body falls to a position where the locking mechanism provided inside the tubular body and the claw provided on the telephone body are engaged. Furthermore, at this time ON /
The OFF switch used the means of restoring and going off hook.

According to a second aspect of the present invention, in the first aspect, a means for selectively providing an extension spring for urging the fall of the telephone body is provided between the inner wall of the cylindrical body and the head portion of the telephone body.

According to a third aspect of the present invention, in the first or second aspect, the locking mechanism is a rack rail having a plurality of teeth, and the rack rail is provided with a claw provided in the telephone body in association with the lock mechanism. A mechanism was selectively adopted in which the claw intermittently engages with the rack rail in the direction of retracting the main body of the telephone while retracting.

According to a fourth aspect of the present invention, in the transmission / reception antenna according to the first or second aspect, the lower end portion and the head portion of the telephone body are connected by an antenna wire via a pulley, and are linked to the stored state of the telephone body. The means of projecting from the upper surface of the cylindrical body was selectively used.

[0010]

The portable radio telephone of the present invention adopting the above means is compact because the telephone body is housed in the barrel when not in use, and the operating portion provided on the telephone body is also covered by the barrel. It is possible to prevent the malfunction of the button during use. The lock mechanism is engaged with a part of the telephone body to maintain the housed state. Further, the engagement state is released by pushing the lock mechanism with a finger while holding the tubular body with one hand, and the telephone body projects from the tubular body by its own weight. At this time, since the operation unit provided on the telephone body is exposed, the telephone number or the like can be operated. Furthermore, the telephone call function that was in the on-hook state when it was stored is automatically put into the off-hook state when the telephone body projects. In this way, the state from the unused state to the state in which the call can be made can be performed with one hand and with one operation.

According to the second aspect of the invention, the extension of the telephone body is urged by the extension spring.

According to the third aspect of the invention, the length of the entire telephone can be adjusted in the direction in which the telephone body is housed in the tubular body.

According to another aspect of the present invention, the transmitting / receiving antenna is
It can be pulled out from the cylinder and stored in the cylinder in conjunction with the advance / retreat of the telephone body.

[0014]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows the entire portable wireless telephone of this embodiment, and shows a state in which a telephone call is possible.
This phone is mainly a rectangular cylinder 1 with an open bottom.
In addition, the structure is such that the telephone body 2 can be freely taken in and out through the bottom surface. The telephone body 2 has a built-in device required for transmission / reception, and is connected to the tubular body 1 by a flat cable (not shown). In the state where the telephone body 2 shown in FIG. 1 is projected from the cylinder body 1, the operation portion 3 such as a push button provided on the telephone body 2 is exposed, so that an operation such as a telephone number can be performed. Further, a receiver 4 is provided above the barrel 1 and a transmitter 5 is provided below the telephone main body 2, and the transmitter 5 is exposed before the operation unit 3 when the telephone main body 2 is taken out. Therefore, the call becomes possible.
In the figure, reference numeral 6 denotes a transmitting / receiving antenna which is inserted in the upper surface and is housed in the cylindrical body 1.

Next, the internal structure of the telephone of this embodiment will be described. FIG. 2 shows a state in which the telephone body 2 is stored in the barrel 1 when not in use. In this state, the lock mechanism 7 provided on the side surface of the tubular body 1 engages with the engaging portion 2a provided on a part of the telephone body 2 to maintain the housed state of the telephone body 2. The lock mechanism 7 is a cylinder body 1.
It is rotatably pivoted on the side surface and is configured to return to its original position by a spring or the like after being moved by a finger. Further, an ON / OFF switch 8 is provided on the inner upper surface 1a of the cylindrical body 1.
When the head 2b of the telephone main body 2 pushes up the switch 8, the switch 8 is turned off to be in an on-hook state.

Next, in order to use this telephone, the lock mechanism 7 and the engaging portion 2a are disengaged by pushing the lock mechanism 7 with a finger or the like, and the telephone body 1 is lowered by its own weight. Fall exposed. As shown in FIG. 3, the fall of the telephone body 2 is caused by the locking mechanism 9 provided on the inner wall of the tubular body 1 so as to project.
And the claws 10 provided on the telephone body 2 are locked to regulate. Note that it is preferable to mold the locking mechanism 9 and the claws 10 with rubber or the like in order to reduce the impact on the telephone body during locking. Further, the switch 8 is turned on when the telephone body 2 is separated, and is in an off-hook state. Further, in this state, as described above, it is assumed that the telephone body 2 projects by the distance that the push button 3 provided on the telephone body 2 is exposed from the barrel 1.

The structure for maintaining the storage of the telephone body 2 is not limited to the engaging structure of the locking mechanism 7 and the engaging portion 8 provided on the telephone body 2 as described above, and for example, as shown in FIG. The telephone body 2 may be provided with a lock mechanism 7'formed with an acute-angled claw 20 and a concave portion 21 with which the claw 20 is engaged. Further, known engagement means in other fields may be adopted. can do. What is important in the present invention is that the telephone body 2 can be maintained in the housed state, but the state can be released by one operation by pressing the lock mechanism with a finger or the like.

FIG. 5 shows, as a modification, a structure in which an extension spring 11 is provided between the head portion 2b of the telephone body 2 and the inner upper surface 1a of the tubular body 1. With this configuration, when the lock mechanism 7 is released, the drop motion of the telephone body 2 is urged by the elastic force of the extension spring 11 in addition to the weight of the telephone body 2, and the telephone body 2 is kept in an unused state. It can be quickly used. Further, the extension spring 11 can also function as a cushioning material when the telephone body 2 is housed in the barrel 1.

FIG. 6 shows another embodiment of the locking mechanism for restricting the fall of the telephone body 2. In this embodiment, the claw 10 'is configured to be movable back and forth on the side surface of the telephone body 2 by a spring. A groove 12 is formed on the inner wall of the tubular body 1 so that the claw 10 ′ slides in the telephone body 2 while the claw 10 ′ is formed at the lowermost end of the groove 12.
Forms a hole 13 to be engaged with the telephone while protruding from the telephone body 2. With such a configuration, the telephone body 2
When the claw 10 ′ protrudes from the cylindrical body 1 and moves to the position corresponding to the hole 13, the claw 10 ′ pops out and the hole 13
Even if a certain force is applied to the telephone body 2 in the direction in which the telephone body 2 is stored, the state can be maintained during use as long as the tab 10 'is not retracted.

Further, FIG. 7 showing another embodiment of the locking mechanism.
Then, a claw 10 'that can freely move back and forth is used in the same telephone main body 2 as in the above-mentioned another embodiment. Then, a rack rail 14 is formed on the inner wall of the cylindrical body 2 in conjunction with the lock mechanism 7 so as to retract from the telephone body 2 when the lock mechanism 7 is pushed. The rack rail 14 is formed by connecting a plurality of teeth 15 in a direction that allows only the upward movement of the claw 10 ′, and when the lock mechanism 7 is pressed, the telephone body 2 and further the claw 1 are pressed.
It retracts from 0'and does not engage with the claw 10 '. With this configuration, when the lock mechanism 7 is pushed, the claw 10 'does not catch any of the teeth 15 of the rack rail 14, and the telephone body 2 falls from the tubular body 1 to be in a callable state. On the other hand, when storing the telephone body 2,
Without the tab 10 'getting caught on the rack rail 14,
Since the tooth 15 is passed over and retracted to the telephone body 2 side, the telephone body 2 can be intermittently locked in the direction in which the telephone body 2 is stored. In other words, adjust the length of the phone,
It is possible to match the distance between the earpiece 4 provided on the telephone and the transmitter 5 provided on the telephone body 2 with the distance between the user's ear and mouth. In addition, in this embodiment, the locking of the telephone body 2 may be restricted by the locking mechanism 9 shown in FIG. 3, or the lowermost tooth of the rack rail 14 may be formed larger than the others.
The claw 10 'may be configured to be locked even when the lock mechanism 7 is pushed.

Next, FIGS. 8 and 9 show the structure of the transmitting / receiving antenna 6 projecting from the cylindrical body 1 in association with the housed state of the telephone body 2. The transmitting / receiving antenna 6 is a cylinder 1
The lower end portion 6a is connected to the head portion 2b of the telephone body 2 via the pulleys 16a and 16a by the antenna wire 17 while being inserted through the upper surface of the telephone body 2. FIG. 8 shows a state in which the telephone body 2 is housed in the tube body 1 at the time of on-hook. The transmission / reception antenna 6 is housed in the tube body 1 and, in this state, between the transmission / reception antenna 6 and the pulley 16a. Is provided with an overlapping portion 17a having the same length as the transmitting / receiving antenna 6. Then, when the telephone body 2 is projected downward, the antenna wire 17 is pulled by the telephone body 2 and the transmitting / receiving antenna 6
The overlapping portion 17a between the pulley 16a and the pulley 16a disappears, and the transmitting / receiving antenna 6 projects from the cylindrical body 1. With this configuration, the transmitting / receiving antenna 6 can be extended from the cylindrical body 1 in association with the fall of the telephone body 2.
In other words, only by operating the lock mechanism 7, it is possible to perform from the off-hook to the withdrawal of the transmission / reception antenna in one operation, and the operation from the unused state to the state in which a call can be made is quick and easy.

[0022]

As described above, according to the present invention, since the main body of the telephone is housed in the cylindrical body when it is not in use, the portable radio telephone can be made compact. Also,
In this state, since the push button is covered with the tubular body, it is possible to prevent an accidental malfunction during carrying. In addition, a lock mechanism that releases the stored state is provided on the cylinder, and the switch is configured to turn on when the phone body protrudes from this cylinder, so you can talk from the unused state when the phone body is stored. It can be operated with one hand and even with one touch.

Further, since the main body of the telephone is projected by the biasing force of the spring, it is possible to quickly make a callable state. Further, since the claws provided on the telephone body are engaged with the rack rails, the degree of protrusion of the telephone body can be adjusted and the distance between the transmitter and the receiver can be adjusted to an appropriate length. It was Further, since the transmitting / receiving antenna expands and contracts in conjunction with the main body of the telephone, it is possible to save the work of extending the transmitting / receiving antenna, and to perform the operation up to the telephone call, which has been conventionally divided into several times, with one touch.

[Brief description of drawings]

FIG. 1 is a perspective view showing an entire portable wireless telephone in an embodiment.

FIG. 2 is a vertical cross-sectional view showing a housed state of the telephone body.

FIG. 3 is a vertical sectional view showing a protruding state of the telephone body.

FIG. 4 is a side view showing another configuration of the lock mechanism and the engaging portion.

FIG. 5 is a vertical cross-sectional view in which an extension spring is provided between the telephone body and the tubular body.

FIG. 6 is a vertical cross-sectional view showing another configuration of the locking mechanism.

FIG. 7 is a vertical cross-sectional view showing a locking mechanism composed of rack rails.

FIG. 8 is a vertical cross-sectional view showing a connecting structure of a transmitting / receiving antenna and a telephone body.

FIG. 9 is a vertical cross-sectional view showing the movement of a transmitting / receiving antenna.

FIG. 10 is a front view showing a conventional portable wireless telephone.

FIG. 11 is a perspective view showing a conventional foldable portable wireless telephone.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cylinder 2 Telephone main body 3 Operation part 4 Reception part 5 Transmission part 6 Transmitting / receiving antenna 7 Lock mechanism 8 ON / OFF switch 9 Locking mechanism 10 Claw 11 Extension spring

Claims (4)

[Claims] 1. A cylinder body having an open bottom surface, and a telephone body which is housed in the cylinder body so that the telephone body can be inserted into and removed from the bottom surface, and a lock mechanism provided on the cylinder body and an engagement portion provided on the telephone body. While the telephone body is housed by and the head portion of the telephone body presses the ON / OFF switch provided on the inner wall of the cylinder body to hook on the hook,
By releasing the locking mechanism and the engaging portion, the telephone body is dropped by its own weight to a position where the locking mechanism provided inside the tubular body and the claw provided on the telephone body are locked. A mobile wireless telephone characterized by restoring the ON / OFF switch to go off-hook. 2. Between the inner wall of the cylinder and the head of the telephone body,
The mobile wireless telephone according to claim 1, further comprising an extension spring for urging the telephone body to fall. 3. The locking mechanism is a rack rail composed of a plurality of teeth, and the rack rail is retracted from a claw provided on the telephone body in conjunction with a lock mechanism, and the telephone body is housed in a tubular body. The mobile radio telephone according to claim 1 or 2, wherein the claw intermittently engages with the rack rail in a direction in which the claw is engaged. 4. The transmission / reception antenna, wherein the lower end portion and the head portion of the telephone body are connected by an antenna wire via a pulley, and the transmission / reception antenna projects from the upper surface of the tubular body in association with the housed state of the telephone body. The mobile radio telephone according to claim 2.