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US 7,068,242 B2Granted
Head-mounted audio/video playback system
AssigneeOlympus Optical Co., Ltd.
InventorIzuru Kiyokawa
Life of this patent
Estimating the term…
Abstract
A head-mounted audio/video playback system is provided which includes a main-body unit functioning as a pair of headphones worn on the head for playing back audio, to which a video playback unit having a video playback function, a battery unit having a power supplying function, and a protective cover are detachably connected. The main-body unit can be used alone, the video playback unit can be connected to only one of a left case and a right case of the main-body unit, or the video playback unit can be connected to one of the left case and the right case and the battery unit can be connected to the other.
Claims4
A head-mounted audio/video playback system comprising:
- (i) a main-body unit comprising:
- a left case comprising a left speaker and a recessed part in which a unit-connection terminal provided with a plurality of electrical terminals is provided;
- a right case comprising a right speaker and a recessed part in which a unit-connection terminal having a same configuration as the unit-connection terminal of the left case is provided;
- a coupling unit for integrally coupling the left case and the right case;
- a left audio-signal transmission line for transmitting a left audio signal, which is supplied to the left speaker;
- a right audio-signal transmission line for transmitting a right audio signal, which is supplied to the right speaker;
- and
- a video-signal transmission line, connected to the electrical terminals included in the unit-connection terminal of the left case and the electrical terminals included in the unit-connection terminal of the right case, for transmitting a video signal, and
- (ii) a video playback unit that can be removably connected to one of the left case and the right case of the main-body unit, the video playback unit comprising:
- a display element for displaying images;
- a main body adapted to be fitted into the recessed part of said one of the left case and the right case such that a connection element of the video playback unit provided on the main body is connected to the corresponding one of the unit-connection terminals;
- and
- display-element driving means for driving the display element according to a video signal input from the connection element,
- wherein when the display element is connected to the left case, the display element is positioned in front of a left eye of a user, and when the display element is connected to the right case, the display element is positioned in front of a right eye of the user.
11 more elements
A head-mounted audio/video playback system comprising:
- (i) a main-body unit comprising:
- a left case comprising a left speaker and a unit-connection terminal provided with a plurality of electrical terminals;
- a right case comprising a right speaker and a unit-connection terminal having a same configuration as the unit-connection terminal of the left case;
- a coupling unit for integrally coupling the left case and the right case;
- a left audio-signal transmission line for transmitting a left audio signal, which is supplied to the left speaker;
- a right audio-signal transmission line for transmitting a right audio signal, which is supplied to the right speaker;
- and
- a video-signal transmission line, connected to the electrical terminals included in the unit-connection terminal of the left case and the electrical terminals included in the unit-connection terminal of the right case, for transmitting a video signal;
- (ii) a video playback unit that can be removably connected to one of the left case and the right case of the main-body unit, the video playback unit comprising:
- a display element for displaying images;
- a connection element adapted to be connected to the unit-connection terminals;
- and
- display-element driving means for driving the display element according to a video signal input from the connection element,
- wherein when the display element is connected to the left case, the display element is positioned in front of a left eye of a user, and when the display element is connected to the right case, the display element is positioned in front of a right eye of the user;
- and
- (iii) a battery unit comprising:
- a battery;
- and
- a connection terminal adapted to be connected to the unit-connection terminals and to supply power from the battery,
- wherein the video playback unit is removably attachable to both the left case and the right case to be connected to the corresponding one of the unit connection terminals, and the battery unit is removably attachable to both the left case and the right case to be connected to the corresponding one of the unit connection terminals.
17 more elements
Dependencies are inferred from the claim text.