Helmet assembly for accurately positioning visual display system
Personalized audio-visual system
Head position and orientation sensor
Head mounted illumination and camera assembly
Helmet display systems
Head mounted stereoscopic television viewer
Helmet suspension having ratchet adjustment
Three-dimensional sight and sound reproduction apparatus for individual use
ApplicationNo. 919486 filed on 07/27/1992
US Classes:345/8, Operator body-mounted heads-up display (e.g., helmet mounted display)348/61, SPECIAL APPLICATIONS348/121, Simulator348/795Direct viewed light valve
ExaminersPrimary: Britton, Howard W.
Assistant: Lee, Richard
International ClassesH04N 005/66
AbstractA head-mounted visual display apparatus for displaying an image generated by an image generator to a wearer of the apparatus. The visual display apparatus comprises a helmet (10) comprising a shell and a headband (66) engaged to an interior surface of the shell; an adjustment mechanism (90) mounted to an exterior surface of the helmet for adjusting the size of the headband; and a video display (18,20) housed within the helmet and connected to the image generator for displaying the image. In a preferred embodiment the adjustment mechanism includes a knob (90) mounted on an exterior surface of the shell and connected to the headband by a rotatable shaft (99) disposed through the shell between the knob and the headband.