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Nest of Birds™

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The Nest of Birds simultaneously tracks the position and orientation of up to 4 sensors, providing high speed, accurate tracking data. Ascension's DC magnetic tracking technology allows the Nest to accurately track with minimal interference by conductive metals.

Click here to download the product brochure (PDF).



Mid- Range Transmitter
Range:

Up to +4 ft
(1.2 m)
coverage

Set-up & Use:

Our mid-range transmitter is ideal for desktop applications in environments containing conductive metals.

Extended - Range Transmitter
Range:

Up to +10 ft
(3.0 m)
coverage

Set-up & Use:

ERT can be used to provide full coverage over 8 ft x 8 ft (2.4 m x 2.4 m) range of operation. Available with mounting stands.

  • Head/Hand/Body Tracking
    • Virtual Reality
    • Simulation & Training
    • Scientific Visualization
    • Entertainment
    • Telerobotics/Telepresence
  • CAVE Environments
  • Virtual Prototyping
  • Biomechanical/ Human Factors Analysis
  • Rehabilitative Feedback & Assessment
  • 3D Graphics Control & Manipulation

February 3, 2003: Ascension Nest of Birds Price Reduction Expands Users' Tracking Option


Pulsed DC magnetic tracking
  • Virtually no line of sight restrictions.


  • Five times less susceptible to distortion caused by nearby metal than AC technology.
Dedicated processor for each sensor
  • Highest measurement rates regardless of number of sensors tracked.
Multiple configurations
  • Track up to 4 sensors in real time.
Small chassis with built-in power supply
  • Compact design takes up minimal room on desktop.
Installation CD
  • Fast set up with plug-and-play capability.

TECHNICAL
Degrees of Freedom: 6 (Position and Orientation)
Number of Sensors: Up to 4
Translation range: ± 91.44cm (3 ft) in any direction
Angular range: All Attitude: ±180° Azimuth & Roll; ±90° Elevation
Static Accuracy
Position*:
1.8mm RMS
Static Accuracy Orientation*: 0.5° RMS
Static Resolution Position: 0.5mm @ 30.5cm
Static Resolution Orientation: 0.1° @ 30.5cm
Update rate: Up to 105 measurements/ sec 
Outputs: X,Y,Z positional coordinates and orientation angles, rotation matrix or quaternions
Interface: RS-232
Format: Binary
Modes: Point
PHYSICAL
Transmitter: 9.6cm cube with 3.05m cable
Sensor: 25mm x 25mm x 20mm cube (or optional 3-button mouse) with 3m cable
Weight: 21 g (0.7 oz) without cable. 169 g (6 oz) with 3 m cable. 394 g (13.9 oz) with 10.7 m cable.
Chassis: 166mm x 170mm x 393mm
Power: 110/220 v.
Environment: Conductive and ferrous metal objects and stray magnetic fields in the operation volume will degrade performance.

*NOTE: Accuracy verified over range from 20.3cm to 76.2cm at constant orientation.

Nest of Birds is a general-purpose motion tracker suitable for many applications. Biomedical references in this document are examples of what medical companies have done with Ascension trackers after obtaining all necessary medical certifications. Ascension trackers are not certified for use in medicine without the end user/OEM complying with all pertinent FDA/CE regulatory requirements.


  • EMC: 
    EN 61326-1: 1998
  • Safety
    EN 61010-1: 1995

 

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Virtual Reality & Visualization
  Simulation & Training
Biomechanics
Animation & Motion Capture

Click here to obtain pricing for this product, or call 
(802) 893-6657.


© 2007 Ascension Technology Corporation.  All Rights Reserved. P.O. Box 527 Burlington, VT 05402, USA.
For inquiries, call (802) 893-6657 or e-mail ascension@ascension-tech.com.