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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7445351 | Storage medium player with indicator light shield A storage medium player includes a base, a printed circuit board mounted in the base, and an indicator device. The base includes an upper body and a lower body. One of the upper body and the lower body includes a first engaging portion and defines a hole. The indica... | 11/04/2008 |
| 7426804 | Specialty display window A window unit includes a window frame defining a frame perimeter and a window located within the frame perimeter. The window includes a display surface adapted to receive a display image. A display image source is disposed in the window frame and a speaker element i... | 09/23/2008 |
| 6988339 | Specialty media window A media window system includes a window unit having a window frame defining a frame perimeter and a glass unit located within the frame perimeter. The window unit includes a display area adapted to receive a display image. A display image source is configured to pro... | 01/24/2006 |
| 6779904 | Title rack lighting for jukebox A music jukebox includes a music reproduction system, a title rack assembly, a cabinet for the title rack and a lighting system for the cabinet. The lighting system includes at least one lighting assembly producing light within a field of view of a user viewing the ... | 08/24/2004 |
| 6443586 | Light-emitting panel-form loudspeaker A combination panel-form loudspeaker/light comprising a panel having a front face and rear face, a vibration exciter mounted to the member to excite bending-wave vibration in the member, and a light emitter mounted at or adjacent to the panel and arranged... | 09/03/2002 |
| 6347877 | Cable grid spectral lighting system An apparatus consisting of a cable grid system for lighting in which a light can be positioned at any location on a ceiling. Optionally, the light fixtures can include a diffraction grating reflector (such as a music CD) to reflect light patterns onto the... | 02/19/2002 |
| 6286974 | Audio amplifier having illuminated cover plate An innovative, unique visual display for a powered car audio amplifier. The audio amplifier includes a transparent cover plate, preferably formed of methyl methacrylate, having a name or pattern etched or engraved in the undersurface of the cover plate. A... | 09/11/2001 |
| 6196694 | Audio amplifier having illuminated cover plate An innovative, unique visual display for a powered car audio amplifier. The audio amplifier includes a transparent cover plate, preferably formed of methyl methacrylate, having a name or pattern etched or engraved in the undersurface of the cover plate. A... | 03/06/2001 |
| 5658064 | Portable cassette tape illuminator A portable cassette tape illuminator is disclosed having a small light which is meant to be attached to items used in the dark such as a cassette tape player. The portable cassette tape illuminator consists of a small light bulb, small battery, electronic... | 08/19/1997 |
| 4779170 | Phonograph record illumination device and system An illumination device (10) for a phonograph record (18) has a housing (14) and bolts (22) for attaching the housing (14) to a phonograph tone arm (12). A battery (26) in the housing (14) and a contact switch (32) on the housing are connected to activate ... | 10/18/1988 |
| 4250537 | Discotheque simulating home entertainment system A home entertainment system and lighting cabinet simulates the sound and lighting effects of a discotheque. Light rays from a bank of differently colored lights are directed both to a mirrored rotating globe and to a rear reflecting panel behind the globe... | 02/10/1981 |
| 4168836 | Internally illuminated spindle for record player turntables An internally illuminated spindle for record player turntables, said illuminated spindle being adapted to guide and facilitate placement of disc records on the turntables. Secondary internal illumination may also be provided in the spindle to illuminate t... | 09/25/1979 |
| 4167774 | Hoods for record players A record player hood made of a plastic material which encloses a lamp and a tilt actuated switch therefor, wherein the lamp is clamped to the hood.... | 09/11/1979 |
| 4106082 | Hoods for record players and other sound recording or reproducing apparatus A covering hood for a record player or the like having a stroboscopic lamp mounted on the inside thereof and including a tilt actuated switch for activating the lamp upon raising the hood. The connecting lead for the lamp is disposed within an elongated c... | 08/08/1978 |
