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 |
| 7374295 | Holding device having a transparent cover element for a drape A drape (101) for a surgical microscope (100) is attached to the surgical microscope (100) with a holding device (103) in the region of the surgical microscope main objective (104). The holding device (103) can accommodate a... | 05/20/2008 |
| 7259909 | Image-inverting prism device with double uses for a telescope An image-inverting prism device with double use for a telescope includes a prism contained in a housing formed of two semi-housings. The housing has a first end for connecting a lens, the first end being provided with three different diameter threaded stepped surfac... | 08/21/2007 |
| 7255452 | Plastic mirror assembly A mirror assembly particularly adapted for use with an exterior automotive fender includes a plastic housing and plastic reflective surface element or lens. The housing has a slot formed therein which receives a tab formed on the lens to enable the housing and the l... | 08/14/2007 |
| 7234824 | Glare-elimination device for surgical microscopes An adapter that attaches to a surgical microscope for holding the lens cover of a sterile drape at an angle relative to the scope's objective lens, so as to eliminate the reflection (glare) of illumination off the drape lens cover as light is directed through the su... | 06/26/2007 |
| 7232230 | Surgical microscope drape with removable lens assembly The present invention relates to a surgical microscope drape with a removable lens assembly for use with surgical microscopes. The drape assembly comprises an elongated hollow enclosure of sheet-form material having a first end defining an access opening and a secon... | 06/19/2007 |
| 7182474 | Holding device having a transparent cover element for a drape A drape (101) for a surgical microscope (100) is attached to the surgical microscope (100) with a holding device (103) in the region of the surgical microscope main objective (104). The holding device (103) can accommodate a... | 02/27/2007 |
| 7122032 | Operation system and mounting device for external device for use in the operation system An operation system and a connecting adapter are provided. The operation system includes an operation microscope, an external device connectable to the operation microscope, and a connecting adapter for electrically connecting the operation microscope and the extern... | 10/17/2006 |
| 7035002 | Reflector turret for an inverted microscope A reflector turret for an inverted microscope, having a cover which is water-tight at least at the top and substantially light-tight outside the microscope beam path, wherein a protective glass is fitted into the upper part of the cover in the light path so as to be... | 04/25/2006 |
| 6918672 | Arrangement for rotatable adjustment of a cap on an eyepiece housing An arrangement for rotatable adjustment of a cap on an eyepiece housing with a stationary pin pointing radially outward from the eyepiece housing and a groove which is assigned to the pin, arranged on the inner side of the cap and rises in the axial direction, is ch... | 07/19/2005 |
| 6902278 | Surgical microscope drape assembly The present invention relates to a surgical microscope drape assembly for use with surgical microscopes in an operating room or similar sterile environment. In one embodiment of the invention, the drape assembly comprises an elongated hollow enclosure of sheet-form ... | 06/07/2005 |
| 6876503 | Microscope drape lens protective cover assembly A protective cover for removable attachment to an objective lens housing of a draped surgical microscope has a primary, annular retainer of such size as to encircle and engage the lens housing. The retainer has an external frusto-spherical surface and an internal su... | 04/05/2005 |
| 6869194 | Sterilizable drape for ophthalmoscopic lens A sterile drape for enclosing an ophthalmoscopic lens housing projecting from a surgical microscope has a wall defining a chamber of such size as to accommodate the lens housing and supporting parts. The chamber communicates with a compartment in which the lens hous... | 03/22/2005 |
| 6820985 | Display panel and production method therefor To provide a display panel, such as a PDP, that can reduce noise caused by a collision sound which occurs when a front panel member and a back panel member vibrate while the display panel is being driven. Projections (21) are provided on a surface of a first ... | 11/23/2004 |
| 6805453 | Medical instrument arrangement with drape A medical instrument arrangement includes an operation microscope system (100) and a carrier unit (101) carrying the operation microscope (102). The medical instrument arrangement is at least partially covered by a drape (110). The air in... | 10/19/2004 |
| 6786607 | Arrangement for storing and transporting at least one optical component In an arrangement for storing and transporting at least one optical component, it is the object of the invention to protect the optical components from contamination not only during their storage and transport, but also when installing them in operative condition in... | 09/07/2004 |
| 6679267 | Sterile drape for use with laser tracking system A sterile drape serving to preserve the sterile integrity of an operating field is disclosed. The drape has a rigid optically clear window which allows a visible light beam, such as a laser beam, to exit a targeting device without refraction or distortion... | 01/20/2004 |
| 6459538 | Eyepiece tube sleeve The invention describes a sleeve (1) for movably retained eyepiece tubes (2) for optical devices which rests with its eyepiece-side part (5) against the outer wall of the eyepiece tube (2), and with its housing-side part (6) fits around the inner wall of ... | 10/01/2002 |
| 6450651 | Anti-glare device for objective lenses This invention is an anti-glare device comprising a flexible, soft material that is rolled as a sleeve to be wrapped around, while projecting from an end of an objective lens housing such as is found on telescopic scopes, spotting scopes, binoculars, came... | 09/17/2002 |
| 6375610 | Endoscopic drape A method for producing an endoscopic drape includes positioning a portion of a sheath of flexible material (22) in abutment with a joining portion (23) of a first housing piece (14). A joining portion (24) of a second housing piece (16) is positioned clos... | 04/23/2002 |
| 6318864 | Sterile instruments cover for use on surgical microscopes A microscope for operation body 1 having an objective lens 4 and eyepieces 5 is combined with a cap that is capable of covering the entire part of the microscope body 1 and which is made of a sterilizable elastic material such as rubber. A retaining porti... | 11/20/2001 |
| 6283125 | Sterile drape A sterile drape serving to preserve the sterile integrity of an operating field is disclosed. The drape has a rigid optically clear window which allows a visible light beam, such as a laser beam, to exit a targeting device without refraction or distortion... | 09/04/2001 |
| 6257730 | Drape for a surgical microscope with anti-halation window A drape for a surgical microscope comprising a flexible cover for separating the microscope from the surgical field. There is a frame in the cover adapted to be secured over the objective lens of the microscope, and a dome-shaped protective window in the ... | 07/10/2001 |
| 6116741 | Surgical microscope operating drape and methods of operation and manufacture thereof For use with a surgical microscope having an objective lens barrel protruding therefrom, drapes, methods of draping the microscope and methods of manufacturing the drapes. In one embodiment, a drape includes: (1) a sheet, having a sheet aperture therethro... | 09/12/2000 |
| 6024454 | Microscope drape system A sterile drape system for a surgical microscope includes an adapter ring which is attached around the outside diameter of the objective lens of the microscope, to provide a standard or uniform outside diameter mounting surface. A drape lens is contained ... | 02/15/2000 |
| 5971916 | Video camera cover Expendable video camera cover for medical use comprises a sleeve-shaped cover means shaped such as to cover a video camera and its electrical cable, and rigid ring-shaped case means for holding the cover means therein. The case has a generally U-shaped cr... | 10/26/1999 |
| 5853363 | Surgical microscope operating drape and methods of operation and manufacture thereof For use with a surgical microscope having an objective lens barrel protruding therefrom, drapes, methods of draping the microscope and methods of manufacturing the drapes. In one embodiment, a drape includes: (1) a sheet, having an elastically-deformable ... | 12/29/1998 |
| 5682264 | Universal microscope drape The universal microscope drape is based on a positioning system that includes a different adapter member for each differently manufactured microscope and a universal positioning member of a microscope drape that engages each different adapter member. The ... | 10/28/1997 |
| 5608574 | Surgical drape for an operation microscope A surgical drape construction wherein a tubular body, peripherally assembled to a local lens aperture in a drape, is adapted for removable concentric engagement to the exposed end of the objective-lens barrel of a microscope, wherein the tubular body moun... | 03/04/1997 |
| 5569163 | Disposable surgical instrument A surgical instrument includes at least one member fabricated with a material which is capable of deforming in the presence of a deforming agent such as water, organic solvent, air, heat, light, etc. Thus, a disposable surgical endoscope is provided where... | 10/29/1996 |
| 5521756 | Antistatic microscope Microscopes having plastic components such as knobs, covers and eyepiece rings are rendered antistatic by using static charge dissipating plastic materials instead of conventional plastics. Such antistatic microscopes are especially useful in the manufact... | 05/28/1996 |
| 5467223 | Drape adapter The adapter member for a microscope cooperates with a universal microscope drape having a universal positioning member. The adapter member is detachably secured to the lens housing of a microscope in tandem with a lens unit located in the lens housing. Th... | 11/14/1995 |
| 5433221 | Windowed self-centering drape for surgical camera In accordance with this invention, a windowed self-centering drape for a surgical camera is provided. The drape includes a generally cylindrical body portion and a flexible and elastic distal end. The body portion is flexible and substantially non-elastic... | 07/18/1995 |
| 5359991 | Cover device for endoscope A cover device which is removably fitted over an endoscope to cover an insert part of the endoscope and a control part connected to the proximal end of the insert part. The cover device includes a tubular sheath for covering the insert part so as to isola... | 11/01/1994 |
| 5325846 | Endoscopic draping apparatus and method The present invention allows operating room personnel to easily and expeditiously drape an endoscope. The present invention is preferably made of polyethylene or some other suitable plastic material. The cylindrical drape cartridge itself acts as a shroud... | 07/05/1994 |
| 5311358 | Universal microscope drape A universal inner diameter mounting ring contains an annular groove within its inner circumference, the ring being integral with a microscope drape. A microscope adapter housing having a universal outer diameter with a protruding annular ring around its c... | 05/10/1994 |
| 5274500 | Video camera drape with lens The present invention is broadly concerned with an improved surgical drape for an endoscopic video camera device which provides a sealed, sterile encasement of the camera and its associated transmission cable and which permits quick, easy interchanging of... | 12/28/1993 |
| 5155624 | Lens housing for sterile cover of an operating microscope A lens housing and cover for a disposable microscope drape including a housing formed of a flexible, easily distortable, resilient material adapted to be connected to a disposable microscope drape and positioned adjacent to an objective lens of an operati... | 10/13/1992 |
| 5125750 | Optical recording system employing a solid immersion lens An optical recording system including a read/write optical assembly including an objective lens for reading or writing from an optical medium including a solid immersion lens disposed between the objective lens and having a surface closely spaced from the... | 06/30/1992 |
| 5122904 | Operating microscope with drape and suction means for removing air from the drape The operating microscope comprises at least one suction port formed in a microscope body or an arm for supporting the microscope body which is to be enveloped in a drape, and an exhaust fan or exhaust pump connected to the suction port. An exhaust port to... | 06/16/1992 |
| 5078483 | Disposable tubular film cover for arthroscopy cameras and method for covering arthroscopy cameras by means of such a disposable cover A sterile disposable arthroscopy camera cover made from tubular film folded onto itself and forming a package including a plurality of folded layers of film. One end portion of the tubular film extends into and through the other end portion of the tubular... | 01/07/1992 |