JPS6336786Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a pinna-type earphone using a magnetic unit.

Recently, so-called pinna-type earphones have been developed and provided, in which a case containing a sound generating unit is covered with a cover made of synthetic resin foam, and the earphones are inserted into the pinna of the ear to listen to music. This type of earphone has the advantage that it does not feel uncomfortable because it does not have an earphone tip that is inserted into the ear canal like regular earphones, and there is less fatigue even if you wear it for a long time. The problem was that it was expensive because it used other materials.

These difficulties could be solved by using a magnetic type sounding unit, which can be easily mass-produced and manufactured at low cost. However, since magnetic type units generally have low efficiency, they can be used as is in the auricular type. Even when used as a sounding unit for earphones, high sound pressure efficiency cannot be obtained.

The present invention was made with the purpose of solving the above-mentioned difficulties of the conventional technology and providing a pinna-type earphone that uses a magnetic sounding unit and is comparable in sound pressure efficiency. A sounding unit is housed in a case with a sound emitting hole bored in the front, and a cord of an appropriate type is connected to the sounding unit, while a sound permeable cover made of synthetic resin foam or the like is covered on the front side of the case. In the pinna-type earphone, which is used by being inserted into the pinna of the user's ear, a magnetic type unit is used as the sounding unit, and the sound emitting hole is inserted into the pinna of the user's ear. It is characterized by being concentrated at a position corresponding to the external auditory canal.

That is, the inventors of the present invention used a magnetic type sounding unit in pinna-type earphones, and due to the inherent low efficiency of this unit, the sound emitting holes were not used in conventional pinna-type earphones. The present invention was completed after learning that the problem could be solved by concentrating the sound generated by the unit at a position corresponding to the ear canal when inserted into the auricle, rather than installing it over the entire surface of the case. This is what I did.

Next, an example of implementation of the present invention will be explained with reference to the drawings.

Reference numeral 1 denotes a case formed by fitting a dish-shaped lid 3 onto a short cylindrical main body 2 with a bottom; 4 a cover covering the main body side of the case 1; has become possible to pass through,
These members are similar to conventional pinna-type earphones.

Reference numeral 5 denotes a magnetic type sounding unit housed in the case 1. The sounding unit 5 is fixed to the lid 3 by appropriate means, and is connected to a wiring having an L-shaped cross section provided upright on the lid 3. A thin parallel linear input cord 7 is connected through the member 6, and the sounding unit 5 is activated by connecting it to an appropriate device using a plug (not shown) provided at the tip of the input cord 7. I'm starting to do that.

Reference numeral 8 denotes a sound emitting hole drilled in the front surface of the main body 2 of the case 1. In order to compensate for the low efficiency of the magnetic type sounding unit 5, the sound emitting hole 8 is not provided evenly over the entire surface of the main body 2. The diameter of the earphone is large enough to concentrate the sound generated by the sound generating unit 5, and the earphone is positioned so as to correspond to the position of the external auditory canal when the earphone of the present invention is inserted into the auricle.

Further, 9 is a display for the user written on the lid 3 of the case 1, and this display 9 allows the user to correctly wear it on the right or left ear. This constitutes an example of the devised earphone.

An example of the earphone of the present invention configured as described above uses a magnetic type for the sounding unit 5, and this magnetic type unit is different from the dynamic type used in conventional pinna-type earphones. Unlike other types of earphones, they are mass-producible and can be manufactured at low cost, and together with the fact that other components and manufacturing processes are similar to conventional pinna-type earphones, the earphones of this invention can be produced and provided at extremely low prices. I can do it.

The magnetic type sound generating unit generally has low efficiency, so earphones using it tend not to reach a practical level of sound pressure efficiency. However, the earphone of this invention concentrates the sound generated by the sound generating unit 5 into a sound output hole 8 drilled in a part of the main body 2 of the case 1, and furthermore, the sound output hole 8 is
When the earphone of this invention is placed between the ears, it is not placed in the center of the ear, but in a position corresponding to the ear canal on the face side. Therefore, the sound generated by the sound generating unit 5 is concentrated at the sound output hole 8 and transmitted to the ear canal in the shortest possible distance, so that it is possible to obtain sound pressure efficiency almost equivalent to that of conventional earphones.

Furthermore, due to its structure, the earphones of the present invention are limited in use to right or left ears; If you place it on the lid of your computer, you can prevent it from being accidentally attached.

It goes without saying that the earphones of the present invention may be used as a pair of stereo earphones.

[Brief explanation of the drawing]

Figure 1 is a plan view of an example of the earphone of the present invention;
The figure is a sectional view taken along the line A--A in FIG. 1, and FIG. 3 is a rear view. 1...Case, 2...Main body, 3...Lid, 4...
...Cover, 5...Sound unit, 6...Wiring member, 7...Cord, 8...Sound emitting hole, 9...Display.

Claims (1)

[Claims for Utility Model Registration] 1. A sounding unit is installed inside a case with a sound emitting hole in the front, and a cord of an appropriate type is connected to the sounding unit, while a synthetic resin foam, etc. is installed on the front side of the case. In pinna-type earphones, which are covered with a sound-permeable cover and used by being inserted into the pinna of the user's ear, a magnetic type unit is used as the sound-producing unit, and the sound-emitting unit is An earphone characterized by having holes concentrated at a position corresponding to the external auditory canal when inserted into the auricle. 2. The earphone according to claim 1 of the utility model registration claim, which has an appropriate indication on the case indicating that it is for right ear or left ear.