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JPS5752295

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DESCRIPTION JPS5752295
Description 1, title of the invention
Oscillatory wave of speaker vibration system
3. Detailed Description of the Invention The present invention uses a coaxial cable or coaxial-like
cable as a connecting cable between an audio amplifier and a speaker, one on each of the plus
side and the minus side, and only the respective inner conductors. , And a signal path for driving
a speaker between an audio amplifier and a speaker. By connecting a speaker voice coil shorting
resistor to the audio amplifier side end of the plus side and minus side external conductor, and
connecting the other external conductor end of the other speaker voice coil terminal side to the
speaker voice coil terminal , It relates to giving electromagnetic #m power to a speaker vibration
system. In the case of the current speaker, since the voice coil and the diaphragm are heavy,
when driven by the electric signal, the inertia is accompanied by the inclusion of m other than
the electric signal. Because of this, the fidelity against the electric signal is not good. The present
invention focuses on the fact that the speaker is a part of the generator, and shorts the speaker
voice coil terminal with the speaker voice coil shorting resistor to apply an electromagnetic
braking force to the speaker vibration system, and the speaker vibration system It aims to be
driven faithfully to the electrical signal. The present invention will be described with reference to
the drawings. The connection cable between the audio amplifier output terminal and the speaker
voice coil terminal has (9) and (10) as internal conductors. The coaxial structure with (11) and
(12) as the outer conductor or the coaxial #f structure is adopted. The electric signal from the
audio amplifier output terminal (1), (2) reaches the speaker voice coil terminal (3), <4) through
the internal conductors (9), (10) to drive the EndPage: 1 speaker 0 Next, the speaker voice coil
shorting resistor (13) passes from the outer conductor end (7), (8) to the outer conductor (11)-%
(12) and then the outer conductor end (5), (6) And short the speaker voice coil terminals (3) and
07-05-2019
1
(4). This makes it possible to apply an electromagnetic braking force to the speaker vibration
system without inserting a special circuit or the like in the signal path between the audio
amplifier and the speaker. In addition, since the currents flowing in (9) and (11) and (10) and
(12) are in completely opposite directions to each other, the inductance of the signal path
between the audio amplifier and the speaker becomes low, so You can pass (3) and (4) faithfully.
As a result, the speaker vibration system can be driven faithfully to the electrical signal.
4. Brief description of the drawings 1 и и и Audio amplifier positive side output terminal 2 и и и
Audio amplifier negative side output terminal 3 и и Speaker voice coil positive side terminal 4 и и
Speaker voice coil negative side terminal 5 и и Positive side external conductor Terminal 6 ии Minus
side outer conductor Terminal 7 и и Plus side outer conductor terminal 8 и и и Minus side outer
conductor terminal 9 и и Plus side inner conductor 10 и и Minus side inner conductor 11 и и Plus
side outer conductor 12 и и Minus Side external conductor 13 ? ? Speaker voice coil shorting
resistor Patent applicant H1) Tetsumi EndPage:?
07-05-2019
2
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