JPH0414349A - Adaptor for inverting receiver microphone face of handset - Google Patents

Abstract

PURPOSE:To facilitate one-hand operation by using an adaptor for inverting a receiver microphone face to place a 2nd receiver and microphone onto a rear side of a handset and allowing the operator to use only his one hand for talking by means of the 2nd receiver or the like. CONSTITUTION:When a handset 1 is pressed onto a part of almost channel shape of an adaptor 11, claws 14, 15 are fitted to recessed parts 12, 13, and the adaptor 11 holds the handset 1. When the adaptor 11 is put on a cradle 2, set claws 23, 24 invade recessed parts 21, 22 of the adaptor 11 to set the cradle 2. In the case of making dialing, the operator uses his one hand to operate a key operation section 4. When the dialing is finished, the operator uses the same one hand to grip a side A of the handset 1 and to remove the handset 1 and the adaptor 11 from the cradle 2, and the talking is attained by allowing the operator to bring the 2nd receiver 19 and the microphone 20 placed at the lower side of the adaptor 11 in this state, that is, the side opposite to the said side to his ear and his mouse respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an adapter for holding a handset used in a portable car telephone and for reversing the front and back surfaces of the handset.

2. Description of the Related Art A conventional portable car phone will be explained with reference to FIGS. 4 to 7.

In general, a portable car phone, as shown in FIG. 4, consists of a handset 1 and a cradle 2 on which the handset 1 is placed, and the cradle 2 and the handset 1 are connected by a curl cord 3 for power supply. This curl cord 3 is connected when used as a car phone. When the handset is used as a mobile phone, it is removed and the power source is a battery built into the handset.

As shown in FIG. 5, the ventral side A of the handset 1 includes a key operation section 4 for inputting a telephone number, etc., and a receiver mounting surface 6 on which a receiver 5 for transmitting the voice of the other party is mounted.
, a microphone mounting surface 8 on which a microphone 7 for transmitting the speaker's voice is mounted, a display section 9 for assisting various functions realized by the key operation section 4, and the like are provided.

Next, the operation of the conventional example will be explained. When making a call as a car power filling machine, the curl cord 3 of the quilled 2 is connected to the handset 1 and set on the cradle 2, as shown in Fig. 4, so the operator must use the handset 1. Hold the back side B of the handset 1, remove the handset 1 from the cradle 2, press the key operation part 4 with the finger 10 with the other hand while looking at the underside A of the handset 1, and make a call.

Thereafter, while holding the handset 1, the receiver mounting surface 6 is brought close to the ear and the microphone mounting surface 8 is brought close to the mouth, thereby making it possible to talk.

On the other hand, when making a call using a mobile phone, as shown in FIG. Make a call. After that, hand cera)
1 and bring the receiver mounting surface 6 close to the ear and the microphone mounting surface 8 close to the mouth, the user can make a call.

Problems to be Solved by the Invention However, according to the above-mentioned conventional portable car phone, the key operation section 4,
A receiver 5 and a microphone 7 are provided, and in order to operate the key operation section 4, it is necessary to hold the handset 1 with one hand and operate it with the finger l○ of the other hand.

For this reason, especially when used as a car telephone, the operator's both hands are occupied in order to operate the key operation section 4, which is inconvenient.

The present invention solves these conventional problems,
The object of the present invention is to provide an adapter for reversing the receiver/microphone surface for use in a handset of a portable car phone so that it can be operated with one hand when used as a car phone.

Means for Solving the Problems In order to achieve the above-mentioned object, the present invention provides a handset for use in a portable car phone with a rear surface opposite to a vent surface on which a key operation section, a first receiver, and a microphone are provided. a holding means for holding the receiver; and a second receiver, which is located on the opposite side of the first receiver and microphone in this holding state.
A receiver and a microphone, and a connection terminal for connecting and switching a second receiver and microphone to the handset by the holding.

Therefore, according to the present invention, when using the handset as a car phone, the rear side of the handset is held by the adapter for reversing the receiver/microphone surface, and the handset is set with the belly side facing upward, thereby changing the set state. Operate the key operation section on the ventral surface with one hand, and use this operation to make a call. After that, remove the node set with one hand and remove the second receiver on the back side, which was on the lower side.
You can make calls by bringing the microphone close to your ear and mouth, respectively.

Example 1 to 3 show an embodiment of the present invention.

Figure 1 shows the No. 1 handset 1 and the adapter for reversing the receiver/microphone surface used for this No. 1 handset (hereinafter referred to as
simply the adapter, L)u)11, and the handset]
FIG. 3 is an exploded perspective view showing the cradle 2 set while being held by the adapter 11, with the cradle 2 removed.

2 and 3 are perspective views showing the operation of FIG. 1.

The handset 1 is held by the adapter 11 with its ventral surface A facing upward. On this ventral surface, there is a key operation section 4, a receiver mounting surface 6 on which the first receiver 5 is mounted, a microphone mounting surface 8 on which the first microphone 7 is mounted, and furthermore the key operation section (ff section 4). It has a display section 9 that is used as an auxiliary device to realize the functions of the computer.

As holding means for holding the back surface B of the handset 1, recesses 12 and 1 are provided at the upper and lower ends of the handset 1.
3 is formed, and on the other hand, the adapter 11 side has a generally U-shape as a whole in order to perform the aforementioned holding. On the inside of both ends of the U-shape are claws 14 that fit into the recesses 12 and 13.
．． 15 are provided. One of the claws 14 is retracted from the recess 12 by pressing a release button 16 provided on the surface of the adapter. Also,
The curl cord 3 for supplying power from the power supply of the cradle 2 is connected to the adapter 11 of ζ; and is further adapted to supply power to the handset 1 via terminals 17, 18.

The terminals 17 and 18 also have the function of switching the connection from the first receiver 5 and microphone 7 to the second receiver 19 and microphone 20. That is, adapter 11
The second receiver 19 and microphone 2 are located at the bottom of Figure 1.
0 (see FIG. 3), and when the handset 1 is held on the adapter 11, the terminals 17 and 18 are connected.
to connect to the handset 1, and at the same time switch from the first receiver 5 and microphone 7 to the second receiver 19 and microphone 20. Furthermore, the third
As shown in the figure, recesses 21 and 22 for setting are formed on the lower side of the adapter 11.
When placed on the cradle 2, the cradle 20 set pawls 23, 24 (FIG. 1) enter, and the cradle 2 firmly holds the adapter 11 so that it can withstand the vibrations of an automobile.

Next, the operation of the above embodiment will be explained. When the handset 1 is pressed against the substantially U-shaped portion of the adapter 11 from the state shown in FIG. When the adapter 11 is placed on the cradle 2 while being held, the setting claws 23.24 of the cradle 2 enter the recesses 21.22 (see FIG. 3) of the adapter 11, and the adapter 11 is set in the cradle 2. In this state, the handset 1 is firmly maintained in the cradle 2, with the key operation section 4 facing upward. When making a call, the operator operates this key operation section 4 with one hand. This operation is facilitated by the fact that the handset 1 remains firmly in the cradle 2. When the call is complete, the operator uses the same hand to touch the ventral surface A of handset 1.
Remove the handset 1 and the adapter 11 from the cradle 2, and then remove the second receiver 19 and the microphone 20, which are located under the adapter 11, that is, on the opposite side from the ventral side. , by bringing them close to your ear and mouth (see Figure 3), you can make a phone call.

Note that at this time, the handset 1 is already held by the adapter 11, so that the terminals 17 and 18 are connected, and the first receiver 5 and microphone 7 are not functional.

In this way, according to the above embodiment, when the portable car phone is used as a car phone, that is, when the handset 1 is connected via the adapter 11 to the cradle 2 and the cable cord 3, the operator You can easily operate the key operation unit and make calls with one hand.

In this embodiment, when the portable car phone is used as a portable summer phone, the handset 1 is removed from the adapter 11 and calls are made using the first receiver 5 and microphone 7 in the same manner as in the prior art.

Effects of the Invention As is clear from the above embodiments, the present invention provides a second receiver and a microphone on the back side of the handset using a receiver/microphone face reversal adapter when a portable car phone is used as a car phone. If you set the handset with the ventral side where the key operation section is facing up, the operator can operate the key operation section with one hand in this set state, and you can remove the handset with one hand and leave it as it is. In this state, a conversation can be made using the second receiver and microphone located on the rear side. Therefore, the mobile phone can be easily operated with one hand.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view showing the relationship between the handset and the adapter for reversing the receiver/microphone surface of the handset according to an embodiment of the present invention, and FIGS. J[This is a perspective view showing the state in which the telephone is used as a car telephone, in which Figure 2 is a diagram of the telephone seen diagonally from above, Figure 3 is a diagram of the adapter seen from the back side, and Figures 4 and 5. is a perspective view showing a state in which a conventional portable car phone is used as a car phone;
FIGS. 6 and 7 are perspective views showing how a conventional portable car phone is used as a mobile phone. 1...band set, 2...cradle, 3...
curl cord, 4... key operation unit, 5... first receiver mounting surface, 7... first microphone mounting surface, 9...
・Display part, A... ventral surface, B... back, 12.13.
... Rotating part, 14.15 ... Claw, 16 ... Release button, 17.18 ... Terminal, 19 ... Second receiver
20...Second microphone, 23.24...Set claw. Name of agent: Patent attorney Shige Awano Takahaka (1 person)

Claims (1)

[Claims] A holding means for holding a back surface of a handset used in a portable car phone opposite to a ventral surface on which a key operation section, a first receiver, and a microphone are provided; and in this holding state, the first receiver and the microphone. a second receiver and a microphone to be located on the opposite side, and a connection terminal for connecting and switching the second receiver and microphone to the handset by the holding, an adapter for reversing the receiver/microphone side of the handset.