JPH10229438A - Cordless telephone set having portable handset - Google Patents

Abstract

PROBLEM TO BE SOLVED: To satisfy both operability and portability of a cordless telephone set by attaching and detaching a portable part of the portable telephone specification and a connection speech sending, unit that can be fit to and separated from the portable part to the holder part of a telephone main body with the speech sending unit kept fit to the portable part. SOLUTION: A portable part 3 includes an LCD display part 9, an antenna part 10, a button operation surface 11, an earphone jack hole 20 and a speech sending port 6H, which are necessary for a potable telephone set. Furthermore, a guide groove part 3a and a fixing lock recess part 3b are formed on both side faces of the part 3 for the fixed connection of a speech-sending unit 4. The part 3 and the unit 4 are unified together as a slave unit of the telephone set. A user can freely use both hands by holding the slave unit between his cheek and shoulder. If the slave unit is put on the holder part of a master unit of the telephone set, the charging current flows to a charging terminal part 15H of the part 3, via a charging terminal part 15P. In such a constitution, the portability during being away from the unit 4, the operability during use in a present mode and good acoustic characteristic can be simultaneously satisfied for the cordless telephone set.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication terminal, and more particularly to a handset usable as a cordless telephone and a portable telephone.

[0002]

2. Description of the Related Art Conventionally, with regard to a cordless telephone, a handset called a slave unit is formed in a shape and size close to a handset of a normal wired telephone. This is because the usage state of the slave unit in normal operation is set to a usage state that emphasizes operability.

[0003] On the other hand, it is well known that portable telephones and the like have a shape that is excellent in portability and portability.

[0004] Judging from the recent development of cordless telephones and portable telephones, cordless telephones required in the future will be used as cordless telephones when indoors or while being at the desk, but will be used as PHSs when going out.
Is expected to improve convenience.

[0005]

However, when the handset of a conventional cordless telephone is compared with a portable telephone, the operability while being at home and the portability when going out are incompatible with each other. That is, even if normal operation does not cause any problem with a cordless telephone, it is too large to carry the handset and cannot be easily stored in a pocket or the like, which is extremely inconvenient.

On the other hand, in the case of a small device such as a mobile phone, it is too small to use it, for example, when it is desired to talk at the same time as working at a desk, such as pinching it between the shoulder and the cheek.
Operability is very poor.

The operability of the cordless telephone is required because the angle of the mouthpiece, the angle of the earpiece, and the distance between the center of the mouthpiece and the center of the earpiece are regarded as important.
A certain shape and size are required also in terms of acoustic characteristics. On the other hand, portability is of the utmost importance in mobile phones, and the size of mobile phones continues to decrease.

The present invention, in order to solve the above-mentioned problems, provides a cordless telephone with a portable handset that satisfies both operability and portability.

[0009]

The present invention that achieves the above object has the following matters specifying the invention.

(1) The handset main body comprises a portable part of a cellular phone specification, and a connection transmitter unit that can be fitted to and detached from the portable part, and the connection transmitter unit is provided in the portable part. The handset main body in the fitted state can be detachably attached to a receiving portion of the cordless telephone main body.

(2) In the above (1), the connecting transmitter unit is electrically switched between the transmitter unit and the transmitter unit and the transmitter unit of the portable unit. A connector part that can be connected to the portable part, a charging terminal part that can be connected to the charging terminal part of the portable part, and a locking claw that elastically fits into a locking concave part of the portable part. Features.

(3) In the above (1), the transmitter / receiver main body in a state where the connection transmitter unit is fitted to the portable unit, wherein the receiver unit of the portable unit and the transmitter unit for connection are provided. The angle of each of the mouthpieces is set to a desired angle, and the distance between the earpiece and the mouthpiece is set to a desired value.

When the portable unit and the connection transmitter unit are fitted to each other, the portable unit has a size detachable from the cordless receiving unit, so that the mouthpiece and the charging end of the portable unit can be replaced. As a speaker unit, the so-called handset, which is the angle of the mouthpiece and the earpiece and the distance between them, can be satisfied in terms of operability and acoustic characteristics.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Here, an example of a mobile phone according to the present invention will be described with reference to FIGS. FIG. 1 shows a base unit of a cordless telephone with a portable handset.
1 shows a state in which a handset 2 is placed on a receiver 1a of a telephone body (base unit) 1. In this case, in FIG. 1, the handset 2 has a compact portable unit 3 functioning as a portable telephone, and a connecting transmitter unit 4 that can be fitted to the portable unit 3 in an integrated state. Has become.
For this reason, the shape and dimensions of the receiving portion 1a of the telephone body 1 are
The portable unit 3 and the connecting transmitter unit 4 can be placed in a fitted state. The attachment / detachment and use state of the handset 2 in the fitted state is substantially the same as that of the handset of the conventional cordless telephone, and can function as the handset of the telephone body 1 with good operability.

As shown in FIGS. 1, 2, and 3, the handset 2 has a mouthpiece of the portable unit 3 when the portable unit 3 and the connecting transmitter unit 4 are combined and integrated. As will be described later, the charging terminal unit is switched to the mouthpiece of the connection transmission unit 4, and is connected to the charging terminal unit of the connection transmission unit 4.

As an integrated configuration, as shown in FIG. 2, the angle 2b of the mouthpiece 6p connected to the internal transmitter, which is the three elements of the transmitter / receiver 2, the receiver connected to the internal receiver The angle 2c of the mouth 7 and the distance 2a between the mouthpiece 6p and the earpiece 7 are set so as to have good acoustic characteristics in terms of acoustic characteristics. Also, the above three elements are:
It is also set to improve the usability in operation. In other words, by interposing the handset 2 between the cheek and the shoulder as normally seen, it is possible to easily adopt a posture in which both hands are freely used, and it is possible to simultaneously perform a plurality of operations such as viewing a document or performing a writing operation. This is because the mounting angle and length of the connection transmitter unit 4 with respect to the portable unit 3 are secured in a positional relationship and a mounted state where the above three elements are good. Guide 3a and locking recess 3b
It also depends on the fact that the locking claw 4f of the connection transmitter unit 4 has a desired shape, size, and angle.

The transmitter / receiver 2 includes a charging terminal unit provided on the connection transmitter unit 4 side, in addition to the above-mentioned transmitter unit and receiver unit. LED unit 8 for notifying, LCD display unit 9 for displaying status, antenna unit 10 for performing wireless communication with telephone body 1 (FIG. 1) as a base unit, buttons for transmitting, receiving, operating other information and status A button operation surface 11 having a group, an earphone jack hole 20 for hands-free operation on a side surface, a buzzer unit 12 for notifying a ring tone or the like in FIG. 3, and a built-in power supply for enabling operation when carried. Battery unit 1
3 and its battery cover section 17, and an internal control circuit section 14 for electrically and comprehensively controlling the input / output elements.

FIG. 4 shows a state where the connection transmitter unit 4 and the portable unit 3 are separated, and the portable unit 3 functions as a portable telephone. In the portable unit 3, the LED unit 8, the LCD display unit 9, the antenna unit 10, the button operation surface unit 11, and the earphone jack hole 20, which are also required as the handset described above, and the mouthpiece 6H required as a portable telephone are provided with buttons. A charging terminal portion 15H for charging the battery and connector recesses 16H on both sides thereof are provided at the lower edge of the operation surface portion 11, and are further provided for connecting and fixing the connection transmitter unit 4. A guide groove 3a and a locking recess 3b for fixing are formed on both side surfaces of the end.

The transmitter unit 4 for connection in a separated state
4 has a rectangular parallelepiped shape whose outer dimensions substantially match the shape near the mouthpiece 6H of the portable unit 3, as shown in FIG. 4 and FIG. 5, and comprises an upper case 4a and a lower case 4b. It has a two-part structure. In this case, the upper case 4a and the lower case 4b are fitted and fixed by the claw portions 4c and the locking portions 4d provided on the peripheral side surface.

The surface of the upper case 4a having the mouthpiece 6p of the connection transmitter unit 4 is formed so as to be continuous with the button operation surface 11 of the portable unit 3 described above.
In addition, a spring pin 15S is displaceably provided on the surface of the portable section 3 facing the charging terminal section 15H so as to be electrically connected to the charging terminal section 15H of the portable section 3 as shown in FIG. Here, the displacement is enabled when the connection transmitter unit 4 is connected and fitted to the portable unit 3.
This is because the contact pressure of the charging terminal is maintained even if some fitting backlash occurs. Therefore, since the connection terminal 15P of the connection transmitter unit 4 and the spring pin 15S are connected, the charging terminal 15P in the connected state.
From the portable unit 3 via the spring pin 15S.
To the battery terminal 13 (FIG. 3).

Further, on the surface of the connection transmitter unit 4 facing the charging terminal 15H of the portable unit 3, both sides of the spring pin 15S are connected to the transmitter associated with the mouthpiece 6P. A connector pin 16P electrically connected to the control circuit unit 14 of the portable unit 3 is provided to protrude. When the connector pin 16P and the connector recess 16H of the portable unit 3 are connected, the transmission of the connection transmitter unit 4 can be performed without using a transmitter connected to the mouthpiece 6H of the portable unit 3. The control circuit unit 14 determines to use the transmitter connected to the talker unit 6P, and switching is performed.
When any connector pin 16P and connector recess 16H are separated from each other, the transmitter of the portable unit 3 can be utilized to enable use as a portable telephone.

The connection transmitter unit 4 has elasticity in one direction corresponding to the guide grooves 3a and the engaging recesses 3b formed on both sides near the mouth opening 6H of the portable unit 3. 4f is formed to protrude. This locking claw 4
f denotes the portable part 3, that is, the guide groove 3a and the locking recess 3b.
It can be smoothly attached and detached, and has a sufficient holding strength, and is dimensioned so as to sandwich the portable part 3. In particular, when used as a handset that can be attached to and detached from the telephone body, an external force is often applied, so that an elastic force that does not come off or deform in terms of strength is required.

[0023]

As described above, according to the present invention, the handset has a two-piece structure in which a portable unit dedicated to carrying and a connecting handset unit are detachable, so that portability when carrying away from the desk and occupancy are reduced. It is possible to provide a practical and convenient handset that has both operability during use and ideal high-quality acoustic characteristics.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of an example of an embodiment of the present invention.

FIG. 2 is a perspective view of an operation surface of an example of a handset.

FIG. 3 is a rear perspective view of an example of a handset.

FIG. 4 is a perspective view in a separated state.

FIG. 5 is a perspective view of a connection transmitter unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Telephone main body 1a Receiving part 2 Handset 3 Portable part 3a Guide groove part 3b Locking concave part 4 Connecting transmitter unit 4f Locking claw part 6P, 6H Mouthpiece part 7 Earpiece part 15P, 15H Charging terminal part 15S Spring pin 16P Connector pin 16H Connector recess

Claims (3)

[Claims] 1. A handset main body comprises a portable part using a portable telephone and a connection transmitter unit which can be fitted to and detached from the portable part, and the connection transmitter unit is fitted to the portable part. The portable handset-equipped cordless telephone having the handset main body in the detached state detachable from a receiving portion of the cordless telephone main body. 2. The connector unit according to claim 1, wherein the connection transmitter unit is electrically connectable between the transmitter unit and the transmitter unit of the portable unit. 2. The portable / multi-purpose feeding device according to claim 1, further comprising: a charging terminal portion that can be connected to the charging terminal portion of the portable portion; Cordless telephone with handset. 3. A transmitter main body in a state in which the connection transmitter unit is fitted to the portable unit, wherein each of the receiver unit of the portable unit and the transmitter unit of the connection transmitter unit is provided. 2. The cordless telephone with a portable handset according to claim 1, wherein the angle is a desired one and the distance between the earpiece and the mouthpiece is a desired one.