A snorkel upper discharging head has a waterproof device. The snorkel upper discharging head comprises a snorkel upper discharging head body and a floating drum, an air inlet hole is arranged at the front end of the snorkel upper discharging head body and is sleeved with a sealing ring, the snorkel upper discharging head body is internally provided with an air duct communicated with the air inlet hole, circular arc sliding slots are arranged at the left and right inner sides of the snorkel upper discharging head body, the floating drum is clamped in the circular arc sliding slots, and a water seal face jointed with the sealing ring is arranged in the middle of the floating drum; the snorkel upper discharging head having the waterproof device not only has simple and compact structure and excellent waterproof effect, but is also eye-pleasing and fashionable in appearance.

A snorkel upper discharging head has a waterproof device. The snorkel upper discharging head comprises a snorkel upper discharging head body and a floating drum, an air inlet hole is arranged at the front end of the snorkel upper discharging head body and is sleeved with a sealing ring, the snorkel upper discharging head body is internally provided with an air duct communicated with the air inlet hole, circular arc sliding slots are arranged at the left and right inner sides of the snorkel upper discharging head body, the floating drum is clamped in the circular arc sliding slots, and a water seal face jointed with the sealing ring is arranged in the middle of the floating drum; the snorkel upper discharging head having the waterproof device not only has simple and compact structure and excellent waterproof effect, but is also eye-pleasing and fashionable in appearance.

Disclosed herein are systems for providing virtual reality or mixed reality experiences to riders of a waterslide. In some embodiments, the system comprises a plurality of beacons or markers disposed along the waterslide, and a waterproof virtual reality (VR) headset for presenting virtual reality or mixed reality content to a person wearing the waterproof VR headset and riding the waterslide, wherein each of the plurality of beacons or markers is configured to be detectable to facilitate coordinated presentation of the virtual reality or mixed reality content to the person wearing the waterproof VR headset and riding the waterslide based at least in part on a location of the person along the waterslide.

Disclosed herein are systems for providing virtual reality or mixed reality experiences to riders of a waterslide. In some embodiments, the system comprises a plurality of beacons or markers disposed along the waterslide, and a waterproof virtual reality (VR) headset for presenting virtual reality or mixed reality content to a person wearing the waterproof VR headset and riding the waterslide, wherein each of the plurality of beacons or markers is configured to be detectable to facilitate coordinated presentation of the virtual reality or mixed reality content to the person wearing the waterproof VR headset and riding the waterslide based at least in part on a location of the person along the waterslide.

A diving and snorkeling mask structure including a full face mask, a frame, at least one lens, a joint, a respiratory tube and at least one securing belt is disclosed. The full face mask includes a first soft material region connected with a second soft material region. The frame is combined with the second soft material region of the full face mask. The at least one lens is disposed in the frame. The joint is disposed on the full face mask, and adjacent to the upper side of the frame. The respiratory tube is disposed on the joint, and establishes the air communication with the full face mask via the joint. The at least one securing belt includes a side buckle element to snap fit the full face mask.

A diving and snorkeling mask structure including a full face mask, a frame, at least one lens, a joint, a respiratory tube and at least one securing belt is disclosed. The full face mask includes a first soft material region connected with a second soft material region. The frame is combined with the second soft material region of the full face mask. The at least one lens is disposed in the frame. The joint is disposed on the full face mask, and adjacent to the upper side of the frame. The respiratory tube is disposed on the joint, and establishes the air communication with the full face mask via the joint. The at least one securing belt includes a side buckle element to snap fit the full face mask.

The invention relates to a diving mask (10) including a frame (12) fitted with a visor (18); a flexible skirt (40) including a partition (46) delimiting an upper chamber (50) for viewing from a lower chamber (52) for breathing, the partition being arranged to bear upon the nose of the user such that the mouth and the nose of the user are in the lower chamber, while the eyes of the user are in the upper chamber, a breathing tube (20) having a proximal end (20a) for linking the breathing tube to the frame, the breathing tube including at least one channel (21) fluidically connected with the lower chamber. The diving mask further includes a telecommunications device (500) which is mounted at least partially to the breathing tube (20).

The invention relates to a diving mask (10) including a frame (12) fitted with a visor (18); a flexible skirt (40) including a partition (46) delimiting an upper chamber (50) for viewing from a lower chamber (52) for breathing, the partition being arranged to bear upon the nose of the user such that the mouth and the nose of the user are in the lower chamber, while the eyes of the user are in the upper chamber, a breathing tube (20) having a proximal end (20a) for linking the breathing tube to the frame, the breathing tube including at least one channel (21) fluidically connected with the lower chamber. The diving mask further includes a telecommunications device (500) which is mounted at least partially to the breathing tube (20).

A survival helmet device for use in combination with a survival suit includes a helmet, inhale and exhale control valves, and at least one inflatable air cavity packet secured to the survival suit for selectively controlling the air supply and buoyancy of the survival helmet device and the survival suit.

The present invention is generally directed to a floatation device for a snorkel, including a body made from a buoyant material; and an orifice penetrating through the body, the orifice sized to receive a snorkel, such that the floatation device provides sufficient buoyancy to float a snorkel and an attached mask on the surface of water. More specifically, the body may be brightly colored and the orifice may be sized to cause an interference fit with an inserted snorkel. In accordance with some embodiments, the body may be wrapped or covered in a second material.