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公开(公告)号：EP3715936A1
公开(公告)日：2020-09-30
申请号：EP20166502.3
申请日：2020-03-27
摘要： A dynamically tinted display visor (DTDV) is disclosed. In embodiments, the DTDV includes a visor surface having an untinted or substantially transparent setting and a tinted or substantially opaque setting. The visor surface is fixed to a helmet (102) worn by an operator (e.g., a pilot or co-pilot), the helmet further including a head tracking system for monitoring the head pose (e.g., head position and orientation) of the operator. Helmet-mounted cameras (106) include auto-gain sensors capable of assessing ambient light levels consistent with the head pose of the operator. The DTDV includes a tint processor (302) for adjusting the tint setting of the visor surface based on an assessment of the head pose data and sensed ambient light levels, automatically detinting or darkening the visor as conditions demand or manually detinting/darkening at the operator's command.
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公开(公告)号：EP3792648A1
公开(公告)日：2021-03-17
申请号：EP19216298.0
申请日：2019-12-13
摘要： A helmet-mounted tracker (404) and boresighting system (100) incorporated paired receivers on opposing sides of the helmet worn by the user (214) (e.g., left/right, top/bottom) that receive a directional signal (412, 414) from directional transmitters (104, 106) placed at fixed locations throughout the target environment (e.g., a mobile platform (102), multilevel structure (202), or simulated environment). Each paired antenna (112a, 112b, 114a, 114b) generates an RF signal based on the received directional signal (412, 414); the paired RF signals are summed to determine the current alignment of the helmet (and head) to the directional transmitter (104, 106). Alignment information may be used to calibrate or correct inherent drift of the inertial measurement unit (IMU) of the helmet-mounted head tracker (404).
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