JPS51103936

Patent Translate
Powered by EPO and Google
Notice
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JPS51103936
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of an electrostatic
electroacoustic transducer, FIG. 2 is a schematic view of a conventional electret headphone, and
FIG. 3 is a schematic view of an electret headphone according to an embodiment of the present
invention. It is. 1, 1 '... fixed electrode. 2 · · · metal layer, 3 · · · Electret} m moving film. 10 ... audio
amplifier, 12 ... case, 13 ... magnetic material, 14 ... ridgeline. Fig.2 Fig.3 Fig.1 Fig.1 81-
DETAILED DESCRIPTION OF THE INVENTION The present invention is an electret using an
electret. Fig. 1 shows the outline of an electrostatic electroacoustic plexus using a lette tube for
an electric tube, and relates to a dophone. And an electret having a metal layer 2), fjsda3 is
interposed to form a 1N # replacement unit. The signal from the scratch source 4 is boosted by a
step-up transformer 6 and applied to a fixed capacitor @ 1,1'11 [liC, and the electret vibrator 8 is
vibrated to generate it 1i, further, electret *) tMl A 1/9 electrostatic type electroacoustic 、
converter is used for electret 定 1 constant electrode め る and 可 χ ′ ′ ′ τ τ 2 2-− も.
Figure 2 Figure 0 shows the outline of a conventional headphone using the above-mentioned
electrostatic type electroacoustic transducer e in FIG. 2 where e is a headband 7 + '7'F1 6 is a $ j
attached n * case, and the electrostatic electro-acoustic transducer is housed in this case 717
'circle respectively. 8 is an adapter containing the step-up transformer 6, 9 is a high voltage
(several hundreds of volts) electric wire 10 for connecting Amageta-8 and a converter II in the
Coossoff IT '10 is an audio amplifier, 11 ii this audio an 110 and adapter 8 It is a low voltage
wire that connects As described above, the headphone and the adapter 8 were separately used in
the conventional electret headphone, and the amount of electric charge for t pressure was t 7 M.
However, in general, dophones are often handled with movement. And the floating capacity of
the high-voltage wire and the length of the high-voltage wire can be neglected in the capacity
(several hundreds of) of the converter. However, there is a drawback that the high-pass
characteristic is clouded. The present invention eliminates the above-mentioned conventional
drawbacks h). About an example of the present invention below! ! 1a! The same reference
04-05-2019
1
numerals as in FIG. 8 are assigned to the same positions as in FIG. This case 12 yen and the
electrostatic electroacoustic transducer shown in FIG. 0 where the step-up transformer is
accommodated This step-up transformer is a toroidal step-up transformer in which 114 is
applied to the ring-shaped magnetic body 13. As described above, the headphone according to
the present invention is housed in the case with the step-up transformer and the pressure
transformer, so it is not necessary to connect the dophone and the audio ann 1 with l1ii + earth
turtle-without the headphone transfer 1111 There is no risk that the high voltage wire will be
damaged, and it is possible to prevent the deterioration of the high region characteristic due to
the pressure wire lIK.
In addition, as a step-up transformer supplied to the case X, the toroidal type step-up transformer
for noise-9 has a mid-point with high magnetic efficiency, low mass and housed in a small case,
and has a mid-peak point. 4,-simple W &-'' direction of \ \ ¥ 嬉 幽 概略 概略 静電 層 概略 概略 11
11 11 11 11 11 11 11 11 11 11 11 11 11 11 11. 1Iall is an electret in one embodiment of the
present invention. It is @ figure to 4 of Dohe. 111 '· · · · Fixed IE 伽, 2 · · · · · · · · · · · · · · · · · · · · · · ·
Electret film-10, · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
······················································································
fixed IE 伽, 2 · · · · · · · · · · · · · · · · · · Electret film-10 · · · · · · · · · · · · · · · · · · · · · · · case S1g ...... magnetic
body 14 ...... winding and agents 0 Min'naben 履士 Toshio Nakao other 1 Power Saving 6S-r1. 、
°, 7 Figure 1 / Side 'low 4 Figure 2 啄 呉 O Figure 3 3743101' 1, -1 I] / □] · · --2 agent name
10393Q Toshiyasu Nakano a or one person 6 Other than the above Inventors and agents Other
than the above (1) Inventor's address Bold Gadoshin, Osaka Prefecture No. 1006, Matsushita
Electric Industrial Co., Ltd. Internal name Aoi Mechahina Takahisa Aoi (2) Agent address
Gatashin, Osaka Prefecture Ogata Gadoshin 1006 Address Matsushita Electric Industry Co., Ltd.
Uchiha Ha 91, Name (6152) Patent Attorney Shigeno Shigenokai,-',', job Bema + 、,)-12 彊. -One
04-05-2019
2