公开(公告)号：US10965920B2

公开(公告)日：2021-03-30

申请号：US16449981

申请日：2019-06-24

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Naoya Kitade ,  Makoto Iyoda ,  Naoko Yamashita ,  Manabu Chikayama ,  Atsushi Kubo

IPC: H04N9/31 ,  G11B33/14 ,  G03B21/16 ,  G03B21/00 ,  G11B33/12 ,  G03B21/20

Abstract: A drive device includes a housing in which a gas is sealed, wherein density of the gas is lower than density of air, a driven object housed inside the housing, a driver configured to drive the driven object, a current detector configured to detect a value of a current flowing into the driver, and a determinator configured to determine a concentration of the gas inside the housing based on the value of the current detected.

公开(公告)号：US10057552B2

公开(公告)日：2018-08-21

申请号：US15472889

申请日：2017-03-29

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Manabu Okuno ,  Naoko Yamashita

IPC: G03B21/14 ,  H04N9/31 ,  F28D15/02 ,  G02B26/00 ,  G02B26/08

CPC classification number: H04N9/3144 ,  F28D15/0275 ,  G02B7/1815 ,  G02B26/008 ,  G02B26/0833 ,  G03B21/16 ,  G03B21/204 ,  H04N9/3111 ,  H04N9/3114 ,  H04N9/3161

Abstract: The cooling device of the present disclosure has a thermally conductive base that is thermally connected to a heat-generating section, a heat pipe section embedded in the base, and a fin section that has a plurality of fins and is connected to the base in a way that the fin section covers the heat pipe section.