A Fast Time-Of-Flight Distance Sensor For Industrial Applications

1986 ◽  
Author(s):  
R Ahola ◽  
R Myllyla ◽  
A Kilpela
Keyword(s):  
Time Of Flight ◽  
Industrial Applications ◽  
Flight Distance ◽  
Fast Time ◽  
Distance Sensor

Time-Of-Flight distance sensor with enhanced dynamic range

2008 ◽  
Vol 5 (3/4) ◽  
pp. 246
Author(s):  
Daniel Van Nieuwenhove ◽  
Ward Van Der Tempel ◽  
Riemer Grootjans ◽  
Maarten Kuijk
Keyword(s):  
Dynamic Range ◽  
Time Of Flight ◽  
Flight Distance ◽  
Distance Sensor

scholarly journals Can Liquid Lenses Increase Depth of Field in Head Mounted Video See-Through Devices?

2021 ◽  
Vol 7 (8) ◽  
pp. 138
Author(s):  
Marina Carbone ◽  
Davide Domeneghetti ◽  
Fabrizio Cutolo ◽  
Renzo D’Amato ◽  
Emanuele Cigna ◽  
...  
Keyword(s):  
Control System ◽  
Clinical Practice ◽  
Augmented Reality ◽  
Time Of Flight ◽  
Depth Of Field ◽  
Liquid Lenses ◽  
Good Potential ◽  
Distance Sensor ◽  
Limited Depth ◽  
Lens Optics

Wearable Video See-Through (VST) devices for Augmented Reality (AR) and for obtaining a Magnified View are taking hold in the medical and surgical fields. However, these devices are not yet usable in daily clinical practice, due to focusing problems and a limited depth of field. This study investigates the use of liquid-lens optics to create an autofocus system for wearable VST visors. The autofocus system is based on a Time of Flight (TOF) distance sensor and an active autofocus control system. The integrated autofocus system in the wearable VST viewers showed good potential in terms of providing rapid focus at various distances and a magnified view.

A fast Time-of-Flight detector also used as a tracker

1996 ◽  
Author(s):  
Ting-Yang Chen ◽  
Mao He ◽  
Nai-Jian Zhang ◽  
Xue-Yao Zhang
Keyword(s):  
Time Of Flight ◽  
Fast Time

Ultrasonic TOFD Detection by Finite Element Simulation Method

2014 ◽  
Vol 602-605 ◽  
pp. 1594-1597
Author(s):  
Han Xin Chen ◽  
Shi Qi Yang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Time Of Flight ◽  
Simulation Method ◽  
Industrial Applications ◽  
Detection Methods ◽  
Analysis Model ◽  
Element Analysis ◽  
Time Of Flight Diffraction ◽  
Detection Technology

This paper investigated the ultrasonic mechanism of Time of Flight Diffraction (TOFD) by finite element analysis for the better applications of ultrasonic TOFD (Time of Flight Diffraction) detection technology. The welding steel plate with the artificial defects is used in the finite element analysis model. The experimental A-scan signal with higher noise is filtered by the wavelet transform, which can clearly show defective diffracted wave. The software simulation of ultrasound is used to present the propagation process of ultrasonic signal inside the sample. Simulation results are compared with the experimental results, which shows valid basis for the practical TOFD ultrasonic detection methods in industrial applications.

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