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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7814903 | Integrated control circuit for an oxygen mask A safety device integrated into a respiratory system that includes an oxygen mask having a cup-shaped rigid portion overlying a face mating portion to define a respiratory envelope that is adapted to sealingly engage over the mouth and nose of a user. An integrated ... | 10/19/2010 |
| 7584751 | Adapter for protective mask testing apparatus An adapter for testing an outlet valve of a protective mask with a testing apparatus includes portions which oppose the valve and are configured to connect the valve to the tester in sufficient isolation for testing purposes. In one implementation, the valve has fir... | 09/08/2009 |
| 7493899 | Microphone adaptor for a respirator A microphone adaptor for a respirator is provided which has a sound tube that extends between a speech projector of the respirator and a microphone enabling clear speech to be received by the microphone. The adaptor may include a microphone box for receiving the mic... | 02/24/2009 |
| 7394905 | Voice amplifier for mask A voice amplifier for attachment to a mask has a sound reflector that faces outwardly of the mask when the voice amplifier is attached to the mask. A speaker faces inwards towards the sound reflector. Sound waves emanate from the speaker inward towards the sound ref... | 07/01/2008 |
| 7342502 | Wireless short range communication system A wireless communications system defining an wireless personal area network enables reliable communications between members of workers in a group wearing compatible systems. Each member of a group is fitted with a communications system having a microphone, a transce... | 03/11/2008 |
| 7328700 | Respiratory system and method of use A respiratory protection circuit of the type having an air flow regulator disposed in an air flow path between an air supply and a respirator is improved by including an air flow splitter and a bi-directional valve. The air flow splitter is disposed in the air flow ... | 02/12/2008 |
| 7320722 | Respiratory protection device that has rapid threaded clean air source attachment A personal respiratory protection device 10 that comprises a mask body 12 that has a structure 35 located on it for receiving a clean air supply source such as a filter cartridge 14. The clean air receiving structure 35 has a first... | 01/22/2008 |
| 7302072 | Electronic device mount for mask An adapter assembly for releasably supporting lapel mic on a mask includes a mask adapter for mounting on the mask, and a lapel adapter for mounting on the lapel mic. The lapel adapter is releasably connectable with the mask adapter to support the lapel mic on the m... | 11/27/2007 |
| 7296568 | Respirator module with speech transmission and exhalation valve A respirator speech transmitter and exhalation valve module comprising a resilient exhalation valve having a low airflow resistance for exhalation but providing a secure seal against inadvertent inhalation through the exhalation valve module. An exhalation airflow c... | 11/20/2007 |
| 7278421 | Full face flexible oxygen mask for use with flight helmets The full face flexible oxygen mask for use with flight helmets includes an elastic face seal with an oronasal cone that seals around the nose and mouth of the wearer, and flexible sealing flaps along the perimeter of the face seal to adapt the face piece of the mask... | 10/09/2007 |
| 7261104 | Respirator facepieces The present invention provides an air-purifying respirator facepiece with a removable, one-piece filter element connector. It also has a removable component housing in the lens as well as a nosecup without inhalation valves that prevents fogging of the portion of th... | 08/28/2007 |
| 7240676 | Tracheotomy valve unit A tracheotomy valve unit for use with a tracheotomy tube inserted into a patient's trachea comprises a first end for connection to the tracheotomy tube, a second end comprising a valve unit inlet, a first valve that permits airflow to the tube when the patient inhal... | 07/10/2007 |
| 7234462 | Speech transmission adaptor for use with a respirator mask A speech transmission adapter for use with a respirator mask. The respirator mask has an associated clean air source and defines a clean air envelope between the body of the respirator mask and the face of the wearer and is bounded by a sealing portion of the respir... | 06/26/2007 |
| 7219763 | Microphone assembly fitted to vehicle-mounted control module panel, that fits well A microphone assembly fitted to a panel of a vehicle-mounted control module, provided with a housing for housing a microphone and having an opening section on a surface facing the panel, and a holding case for holding the housing so as to be capable of pivoting, and... | 05/22/2007 |
| 7219670 | Method for securing a nasal mask A nasal mask for applying pressurized gas to a user's respiratory system. The mask includes an inflatable seal which is at least partially filled with a soft open cell foam. The seal includes a manual pump and a pressure release valve for inflating and deflating the... | 05/22/2007 |
| 7204250 | Bio-mask The invention relates to a breathing mask for use in monitoring a patient. The mask can have sensors on the body of the mask and on the associated straps or caps. The mask can be used to monitor breathing problems or to monitor a patient during anesthesia. The data ... | 04/17/2007 |
| 7152600 | Biohazard mask suitable for civilians A biohazard mask for civilian use comprises bidirectional HEPA filtering to protect both personal and public health during an outbreak. Several measures are taken to maximize comfort and wearability, such as comfort-fit through a gel seal, anti-fogging protection th... | 12/26/2006 |
| 7130439 | Rotary canister base The invention relates to a rotary canister base comprising a loudspeaker, a drinking pipe and an air-intake pipe, wherein the loudspeaker serves as a communicating tool and the drinking pipe, which may be connected to a canteen, are all arranged within the confined ... | 10/31/2006 |
| 7121279 | Respiratory mask A respiratory mask is reduced in size to better fit patients with smaller faces by folding accordion folds of the mask. An adjustment member allows for selective folding of the accordion folds, thereby determining the size of the mask. The respiratory mask can thus ... | 10/17/2006 |
| 7096079 | Audio processing and image generating apparatus, audio processing and image generating method, recording medium and program An audio processing and image generating apparatus for displaying novel line drawing images on a display screen according to music is disclosed. A character object line drawing image is displayed on a virtual road object line drawing image. Further, obstacle object ... | 08/22/2006 |
| 7089939 | Gas delivery connection assembly An anti-asphyxia valve is adapted to, in use, be disposed between a patient and structure to deliver a breathable gas to the patient. The valve includes a housing having an interior, at least one port to provide fluid communication between the housing interior and a... | 08/15/2006 |
| 7084355 | Multilayer printed circuit board A multilayer printed circuit board is provided in which microcracks or metallic migration is mitigated when a Resin Fill Plated Through Hole (RFP) is arranged near the edge thereof. The multilayer printed circuit board includes an inner layer having an RFP, outer la... | 08/01/2006 |
| 7063087 | Filtering system for the protection against biological agents The invention refers to a filtering system composed by a face mask and a filter against biological agents, joined together by a new connector. The connector joins the filter to the mask in an easy, fast and affective way. The filtering system provides a very high ba... | 06/20/2006 |
| 7036508 | Harness assembly for a nasal mask A harness assembly for a nasal mask for communicating breathable gas to a patient's airways, for example, in the administering of CPAP or like breathable gas delivery treatments, includes a cap portion adapted to engage, in use, the occipital region of the skull. Th... | 05/02/2006 |
| 7028687 | Escape hood An escape hood, comprising a respirator, having an air filter suitable for filtering toxic air contaminants and positioning members to retain the respirator in a respiratory path of the user; an optical lens; a expanding member, permitting hood to expand from a comp... | 04/18/2006 |
| 7017576 | Breathing assistance apparatus A improved interface is disclosed for delivering CPAP therapy to patients. The interface has a sliding engagement to the headgear. The sliding engagement allows substantial relative lateral movement eg: when face is distorted from sleeping on side, while still provi... | 03/28/2006 |
| 7011089 | Sub-aqua breathing system A sub-aqua breathing system which enables a person operating underwater to breathe air from a compressed air tank supported on the water surface. The system includes a housing containing both a buoyant material and a toroidal compressed air tank connected to an air ... | 03/14/2006 |
| 7007690 | Advanced chemical/biological crew mask An improved crew mask for protection of a user against chemical and biological hazards is provided. The novel crew mask includes the following features: a facepiece that includes a hybrid face seal with both intern and flat seals, and at least one transparent lens p... | 03/07/2006 |
| 6997178 | Oxygen inhaler mask with sound pickup device Oxygen breathing masks with a sound pickup device. A microphone capsule of the sound pick-up device is positioned at the base of a mouth-piece whose aperture is placed just before the mask user's mouth. Such a mask may find particular application for aircraft pilots... | 02/14/2006 |
| 6978034 | Helmet headset mounting assembly and method A clampless mounting assembly for use with a helmet for attaching an internal headset to one of a plurality of different types of external electronic audio communications devices. External audio communications devices communicate with an internal headset by way of e... | 12/20/2005 |
| 6973677 | Air filtration system including a helmet assembly An air filtration system and a helmet for use in the air filtration system are disclosed and utilized to filter air between a head and body of a user and an external environment. The air filtration system and helmet include inner and outer shells that define an air ... | 12/13/2005 |
| 6945249 | Easy gripping face mask A face mask is disclosed. The face mask includes an inside surface, an outside surface having at least one edge, and at least one loop having a first end and a second end attached to the outside surface, where the loop is less than about 80 millimeters in length. | 09/20/2005 |
| 6915801 | Combination oxygen supplement and swimming snorkel apparatus A swimming snorkel and oxygen supplement apparatus that includes a mask and a headband strap to which is mounted a snorkel device, including a snorkel tube and a mouthpiece for inspiration of atmospheric air therethrough, and an oxygen supply system for communicatin... | 07/12/2005 |
| 6907878 | Protective hood with adjustable visor A flexible hood has an upper part and a lower part formed integrally with the upper part. A visor is carried by the upper part and a filter is mounted to the lower part on an external side. In a first configuration, the visor is positioned away from a user's face to... | 06/21/2005 |
| 6622311 | Air filtration system including a helmet assembly An air filtration system and a helmet for use in the air filtration system are disclosed and utilized to filter air between a head and body of a user and an external environment. The air filtration system and helmet include inner and outer shells that def... | 09/23/2003 |
| 6481019 | Air filtration system including a helmet assembly An air filtration system and a helmet for use in the air filtration system are disclosed and utilized to filter air between a head and body of a user and an external environment. The air filtration system and helmet include inner and outer shells that def... | 11/19/2002 |
| 6382206 | Speech transmission adaptor for use with a respirator mask A speech transmission adapter and a respirator mask comprising a speech transmission adapter. The respirator mask comprises an inhalation port, an exhalation port, and a speech transmission adapter in detachably sealed engagement with the inhalation port.... | 05/07/2002 |
| 6340024 | Protective hood and oral/nasal mask An improved oral/nasal mask-hood is provided for protection of individuals in the event of fire or smoke exposure. When attached to a supplemental supply of oxygen the mask-hood also provides hypoxia protection to individuals exposed to decompression as i... | 01/22/2002 |
| 6332464 | Scuba diving regulator A scuba diving regulator includes a casing, a mouth piece, an air valve unit, an audio unit, a nozzle unit, an air charge unit and an air discharge unit. The casing has an alarm connector, a whistle connector linearly aligned with the alarm connector and ... | 12/25/2001 |
| 6305370 | Voice transmitter for a breathing protective mask The invention is directed to a voice transmitter for a breathing protective mask. The voice transmitter includes a membrane housing (2) and a clamping ring (3) which can be connected to the membrane housing (2). The voice transmitter also includes a voice... | 10/23/2001 |
