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The present invention is a speaker K capable of generating super low tones including DC.
Loudspeaker technology has advanced recently and some trebles 111 may exceed the audio
frequency. However, it is structurally impossible to be able to reproduce frequencies ranging
from a10 to DC '. On the other hand, it is generated by modulating the air flow from the lungs to
voice, and in Ach, Ich, Oeh, etc. that have a phonology of ha line or German ch at the end in%, a
considerable amount of air is discharged without being modulated from the oral cavity To
produce a phoneme. Therefore, from the viewpoint of 1rtlI recognition, the DC component of the
voice is important, while the voicing efficiency, ie, the ratio of the energy of vocalization to the
volume of air from the lungs, is also superimposed from the viewpoint of practicing vocalization
and medical examination of lesions of vocal organs. Have significant meaning. The actual voice is
clearly exhaled, especially when heard nearby, and is used as a bias in the auditory organ.
Therefore, in order to reproduce the human voice most faithfully, it is necessary to transmit the
conventionally neglected elements in DC and ultra low frequency recognition synthesis. The
brass circuit is still capable of DC transmission, and the microphone can also pick up the DC
component relatively easily by a method such as flowing through a semiconductor microphone
or electrostatic microphone KAC for rectification. The present invention provides a speaker
capable of reproducing DC to very low frequency. The invention rotates the blower fan with the
DC component of the audio signal to produce a corresponding wind, while covering this low
frequency region including DC by vibrating the fan back and forth according to the AC
component of the signal as before. In order to obtain a speaker that FIG. 1 shows an embodiment
of the present invention. A fan 1 is a fan that rotates on a rotary shaft 6 to a rotary shaft 6 while
a voice coil 50 frame 7 of a conventional speaker drive 1113 causes a motor fan 1 to vibrate
forward IIK. 10 is a signal wave and is divided into DC and AC by the circuit 11, and DC drives
the motor 2 and AC drives the voice coil 5. The signal is fully expressed in 5 and 4b is good 7.4
shows a part of the damper, and the station of sl has a frame 8-bI to increase the efficiency. It is
better to increase Iil <effective area. The DC component entering the motor 2 may of course also
include a slowly varying ultra-low frequency component. With appropriate design, for example,
one can obtain 0 to 20 out of the motor 2 and more than the voice coil 5. The motor 2 is
desirable from the point of response of a coreless motor. In the ticz diagram, the sirocco fanshaped rotary wing 220 side plate 24 is rotated by the motor 2 and is attached to the voice coil 5
on the loose face 25 of the 210 and vibrated back and forth. * Make it possible to change the
(pitch) and insert it into the AC power of signal 10 with a slip ring (not shown).
The motor 2 Fi or 900 minutes, the voice coil 5 AC minutes. FIG. 3 shows an embodiment of the
present invention in which the u-turning wing 30 is divided into a plurality of pieces, each other
end 31.32.33 is movable, and the other end 35.36.34 is fixed to a frame 4OK. The movable parts
are attached to the voice coil end face 42 by wedges 37.38.39, respectively, and change the pitch
of the wing with the vibration 1, the rotational shaft 44 of the motor 2 is in 3? Pass the part and
rotate the wings. In FIG. 11E4, the cone 50 of the ordinary speaker 51 is divided, floated,
deformed into another air blowing state, and rotated about the weaving shaft 44 (1 m3).
Reference numeral 55 denotes a pull-up compensation circuit, which cancels the pull, which is
responsive to the rotation of the motor 2 such as the output of the microphone 70 as required. In
FIG. 5, the normal speaker 57 is rotated as it is by the motor 2 and driven by the slip ring.
However, the speaker cone is deformed as shown in FIG. In the sixth section, the ordinary
speaker 53 is fixed, for example, the rotary wing 58-around the speaker is turned by the central
axis 44. In Fig. 7, the ordinary speaker 53 is fixed to the transmission IL @ 62 by a weir 65 and
the weir Flow out around the speaker 60. The blower blows according to the DC component. The
blower is a rotary vibration type optional. The speaker according to the present invention has DC
components, that is, the wind, so the voiced sound has a frequency shift due to doppler shift,
which is a phenomenon that naturally occurs with raw voice, and it is 0 which reproduces
realistic voice in a true sense The invention has generally been described with respect to the DC
component associated with speech, but this applies to wind instruments in general. In general,
any blowing means responsive to the DC separation of sound waves can be combined with the
normal speaker operation responsive to AC minutes. The rotary vane ripple removal circuit
described with respect to FIG. 4 is applicable to other embodiments. The present invention is not
limited to the above specific example, and various modifications can be made.
Brief description of the drawings
Fig. fs1 shows an embodiment of the present invention.
FIG. 2 also shows an embodiment of the present invention. FIG. 3 shows another embodiment of
the present invention. FIG. 4 is a modification of FIG. 3, and FIG. 5 shows an embodiment of the
present invention. 6 shows the present invention implementation f11. FIG. 7 shows another
embodiment of the present invention. 0 Procedure correction writing method 1) July 26, 1977 1.
Display of case Patent application No. 34193 No. 2 2 Title of the Invention Ultra bass speaker a
Correct Relationship with the Case Case Patent applicant 日 付 Date of correction instruction
notification June 29, 1982 (ship date) & target drawing of correction
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