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Microphone Traverse System

Photo of Telescopic multistage circular cylindrical coordinate robot

Reflecting the voice from the field---Special traverse

The best part of mechatronics is that we can actually see the mechanical motion and use this technique for a much broader range of applications. We listen to the needs of our customers and basically assist and support to create a tailored program for them using cutting edge technology, techniques and materials in the field of measurement.
We introduce some customized customized mechatronics products here.

Self-propelled three dimensional axis traverse MT-3000 TYPE3-S2

Photo of a self-propelled three dimensional axis

The MT-3000 TYPE3-S2 is a self-propelled mechanism, the mechanical part becomes a moving carrier and runs on a rail instead of using a conventional belt and chain based driven mechanism. This means that the self-propelled mechanism makes it easier to change the range of motion by adding the traveling rail or preparing for the rail with a different length. Especially in a horizontal direction it can be extended up to 5m when combined with several rails while the front-back direction is fixed, therefore, it is possible to move while minimizing the dead space. A self-propelled three dimensional traverse is best for taking measurements in small cramped space compared to the conventional method.

Articulated type microphone traverse MAS robot

A scene of an acoustic measurement using a Telescopic robot

A conventional orthogonal axis traverse is easy to handle, but the range of motion is limited to the size of the system from the stand point of the degree of freedom and lightweight compatibility.
We focus our attention on an articulated robot equipped with a multi degree of freedom, complex motion, and have a silent drive system prior to effective acoustic measurement required in the age of robotics.
The MAS robot can adopt truss construction instead of using massive shape as used to see in past industrial robot. By adopting the truss construction method, we have successfully developed a lightweight and less sound-reflective structues.

  • Degree of freedom of motion : 3 or 4
  • Drive system : AC servomotor
  • Range of motion : waist 350°, shoulder 180°, elbow 350°
  • Arm length: About 2000 mm
  • Body weight: 30kg or less
  • Peripheral: Rail for horizontal motion (Optional)
  • Remark: wrist pitch interface with rotation of elbow and shoulder
    (unidirectional support for microphone)

Measuring the head-related transfer functions traverse& Rotating Chair

Photo of the automated head-related transfer function

It is possible to arbitrarily set the horizontal angle of the sound source toward the head and position of elevation angle combined with single circular arch traverse mounted speaker and sedentary rotated chair for the dummy head or examinee. It will automatically support measuring all around the Head-Related Transfer Function (HRTF).

Air flow measuring Cartesian coordinates robot MT-3000 TYPE S-T3

Photo of the truss structure design for turbulence suppression

The biggest characteristic of the air flow measuring robot is that the truss structure designed for turbulence suppression (vertical axis) developed to measure light wind velocity and the driving rail is under the lowest position which is to the utmost limit.
The 3-D anemometer can be attached to two sets.

Telescopic multistage screw traverse Type 1 MT-3000 TYPE3 XZ-S

  1. A multistep screw type expansion and contraction mechanism and a self-propelled 

rail are adopted.
  2. The axis of the front-back direction is shrunk the most
  3. The axis of the front-back direction is stretched the most

This model is developed with a telescopic multistage screw to run the front-back directions based on the MT-3000 TYPE3 model. It has a self- propelled rail to the right and left axis and is able to separate in half. It provides a massive range of motion more than before in the tight space. The standard range of motion to the front-back directions is 2m, but it is possible to extend it up to 3m on request.

Top : applying multistage telescopic mechanism and self-propelled rail.
Middle: situation where the axis of front-back direction is shrunk the most.
Bottom: situation where the axis of front-back direction is stretched the most.

Telescopic multistage screw traverse Type 2 MT-2000 Z-S

The front-back direction mechanism of the MT-2000 model

This model added a small telescopic axis to the front-back direction like the MT-2000 model.

Telescopic multistage screw traverse Type 3 MTS-3000-RS

This model applies a telescopic mechanical part to the front-back axis of the circular cylindrical coordinates robot. The maximum range of motion is 3m. Combination of a horizontal rotary function and the telescopic mechanism makes it possible to move it in a much wider range of motion within a tight space. This model has additional rotatable microphone at the tip to provide detailed control for sound source direction. It is possible to produce a vertical axis motion addition to this model on request.

  • Degree of freedom of motion : 3
  • Drive system : AC servomotor and small size pulse motor
  • Range of motion : waist 350°, telescopic 3m, tip rotation (horizontal) 350°
  • Body weight: 90 kg or less
  • Remark: up and down axis motion feature (Optional)

Photo of circular cylindrical coordinates type traverse MTS-3000-RS

Photo of circular cylindrical coordinates type traverse MTS-3000-RS

Horizontal rotary function (swing) operation

Horizontal rotary function (swing) operation

The appearance of the front-back mechanism and operation

The appearance of the front-back mechanism and operation

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