DRIVE DEVICE AND PROJECTION-TYPE IMAGE DISPLAY DEVICE

Provided is a drive device that includes a housing in which a gas is sealed and to house a driven object. The drive device can determine a concentration of the gas. Drive device (10) includes a housing in which a gas is sealed, wherein density of the gas is lower than density of air, driver (13) con...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	IYODA Makoto, YAMASHITA Naoko, KUBO Atsushi, KITADE Naoya, CHIKAYAMA Manabu
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHOTOGRAPHY PHYSICS
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