Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Patent
1997-08-22
1999-11-16
Epps, Georgia
Optical: systems and elements
Single channel simultaneously to or from plural channels
By partial reflection at beam splitting or combining surface
G02B 2714
Patent
active
059868139
ABSTRACT:
A head mounted type display composed of a display device for displaying an optical picture based on inputted picture signal, an ocular optical system for projecting the picture to an eye of the user, a head band, forehead resting section and right- and left-hand side head supporting sections for supporting a body section including the display device and the ocular optical system while being brought into contact with a head section of the user, a vibration device placed on each of the right- and left-hand side head supporting sections for receiving a caution signal to vibrate the vibration device to give a caution to the user. With this arrangement, the head mounted type display apparatus can surely give a caution to the user without affecting a picture and a sound.
REFERENCES:
patent: 3787641 (1974-01-01), Santori
patent: 4152553 (1979-05-01), White
patent: 5577981 (1996-11-01), Jarvik
patent: 5589846 (1996-12-01), Kobayashi
patent: 5696521 (1997-12-01), Robinson et al.
Saikawa Haruko
Tabata Seiichiro
Epps Georgia
Mack Ricky
Olympus Optical Co,. Ltd.
Weinstein Louis
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