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JPS5498201

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DESCRIPTION JPS5498201
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of an embodiment of the present
invention, FIG. 2 is an external perspective view of this embodiment, and FIG. 3 is a support
sleeve of this embodiment. FIG. FIG. 4 is an external perspective view of an embodiment in which
an auxiliary frame member is added to the above embodiment. 1 ииииииии Sound collecting reflector,
2 ииииии Reflective surface, 3 ииииииииииииииииииииииииииииииииииииииии Frame member, 5 ииииии??, 6 ...... microphone, 7 ......
mounting portion, 10 ...... Parabora sound collector. ?
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a parachola sound
collector for directing the sound collection effect of a microphone. Conventionally, parabolic
sound collectors are said to be able to focus the weak sound coming from a distance with a
paraphora sound collecting reflector to increase the energy density of the sound and obtain
sharp directivity. It is widely used to improve the sound collection efficiency of microphones in
recording activities in the open air. Parahollar sound collectors, such as this 1-5-<'22 иии,' Q-- 1 /,
have lower frequencies if the diameter of the sound collection reflector is increased by increasing
the reflection area. While being able to focus to the sound of, it is possible to increase the degree
of focusing of the sound. However, the parachola sound collector made to have a large diameter
reflector for sound collection has a large shape and a large weight pick-up. -There is a
disadvantage that the scale is not suitable for transportation, and it is easily damaged by an
impact or the like during transportation. Therefore, the present invention is intended to provide a
parachola sound collector having a fJi structure which is foldable and lightweight to an arbitrary
small size and which is easy to assemble. Hereinafter, the present invention will be described on
Western paper according to the drawings showing one embodiment. A top view of an
embodiment of the parachola sound collector according to the present invention is shown in FIG.
1 and an external perspective view is shown in FIG. 2, and the structure of the main part is
partially shown in FIG. Shown in cutaway view. In each of the drawings showing the -2embodiment, reference numeral 1 denotes a sound collection reflector having a parabolic
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reflection surface 2 capable of sufficiently reflecting sound. The sound collecting reflector 1 is
made of a flexible and foldable material such as henil or cloth, and the reflecting surface 2 is
formed in advance in a paraphora shape. The sound collection reflector 1 composed of the
reflection surface 2 molded in this way is self-supporting and does not hold the reflection surface
2 in the form of discrete holes 1-), and is flexible and foldable. Reference numeral 3 denotes a
support made of a frame member 4 radially joined to the back surface of the reflection surface 2
in order to hold the reflection surface 2 of the sound collection reflector 1 in a parabolic shape.
The support 3 is made of a flexible and foldable material such as henil or comb, and is formed by
radially arranging 12 frameworks 4 molded into a sufficiently airtight bag shape. The support 3
is provided with a blowout port 5 for sucking in air in the 1'1 set member 4 molded into the
above-mentioned bag shape, and a mounting for mounting the micro 6 Part 7 is disposed.
Note that the air in the 3-framework member 4 can be evacuated through the above-described
blowout port 5. The above microphone 6 is detachably attached to the mounting unit 7. Such a
structure of the support 3 is shown in a partially cutaway sectional view of FIG. As described
above, in the parabolic sound collector 10 in which the frame member 4 of the support 3 is
joined to the back surface of the sound collection reflector 10 reflection surface 2 and integrally
formed, air is supplied from the blowout 5 to the frame member 4 of the support 3. The sound
collecting reflector 10 can be held in a parabolic shape as shown in FIG. 2 by blowing the frame
4 and expanding the above-mentioned skeleton 4. Here, the reinforcing frame control 4 is added
to the support 3 in the embodiment as described above along the circumferential direction of the
reflection direction as shown in FIG. The support 3 may be reinforced. In addition, it is possible
to form a parabolic reflection surface by molding the sound collection reflector into a bag shape
and blowing air into it, but in this way, the parachola of 1 note is maintained. For this purpose, it
is necessary to provide a node inside the reflection 4-body for sound collection. It is difficult to
get enough sound collection effect. Therefore, in the embodiment of the construction as
described above, since the air is sucked into the radial frame members and the reflecting surface
is held in a parabola shape, the parallax sound collector can be easily assembled with a small
amount of air. Further, since the frame member described above is joined to the back surface of
the reflection surface, sufficient sound collection efficiency can be achieved without generating
unevenness on the parabolic reflection surface. Furthermore, if the air is removed from the
above-mentioned frame member, the entire parabolic sound collector consisting of the sound
collection reflector and the support becomes flexible and foldable, so this parabolic sound
collector can be folded into any small size. I can do that. Indeed, such parabolic sound collectors
can be made using lightweight materials. Therefore, even if the paraphora-like reflecting surface
is made sufficiently large to direct the sound collection characteristics, it is lightweight for its
size, and it can be folded into any small size, so it can be carried and transported 5 Very
favorable to Moreover, since it is formed of a flexible material, it is not damaged by an impact or
the like. Furthermore, since the Parachola sound collector is constructed by joining the sound
collecting reflector consisting of one reflection surface and the support consisting of radial frame
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members into a C-integrated, the manufacturing is not easy. The cost can be reduced because the
number of materials used is simple and easy.
As described above, according to the present invention, it is possible to provide a parabolic sound
collector that is lightweight and easy to assemble as well as easily assembled in any small size at
a low cost, and the desired purpose is sufficiently achieved. it can. The present invention is not
limited to the embodiment described above but includes many modifications, such as changing
the number of old assembly members of the support. Description of the inside of the cylinder of
11's side: FIG. 1 is a end elevation view of an embodiment of the present invention, FIG. 2 is an
external perspective view of this embodiment, and FIG. 3 is a support of this embodiment. 6 is a
cross-sectional view of a part of FIG. 4 is an external perspective view of an embodiment in which
an auxiliary frame member is added to the above embodiment. 1 ........ sound collecting reflector 2
......... reflecting surface 3 ......... support 4 ......... frame members 5 ........ ?? 6 ....... microphone 7
....... mounting portion 10 ....... Parahora sound collector utility model registration applicant Noni Corporation Attorney Attorneys Attorneys Koike 7-1st-2nd-----2nd, 2nd, \-Eye, /// Mi) 4 \) \ II / /
2 и Papa II, '/', ? ', -6, и //),? > '-' '9'-2' '=' / ', /, stomach 8, ? S ~, 2', ..., /// b)), ? / 4. ? 'и ((J9,. 72
~ / (> Fig. 3 $ 4' @ de-15,) 2. /-52---6-'' "" + heart и 34,-~ I 4 Utility model Noboru ? ? Sony Sony
Corporation (1 Bijin Bari Doe Iku 6 6 other inventor's address Tokyo Inu H H) Ward ? 2-4
Higashi Yukitani Name Ishibashi Hitoku 4 ? r 2 t /
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