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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 |
| 7211369 | VLSI-based system for durable high-density information storage The invention relates to using VLSI techniques to store information on a substrate. One embodiment of a die with text deposited upon the die uses semiconductor processing techniques during fabrication. Included in the die are a substrate, a first paragraph and a sec... | 05/01/2007 |
| 7143290 | Trusted and secure techniques, systems and methods for item delivery and execution Documents and other items can be delivered electronically from sender to recipient with a level of trustedness approaching or exceeding that provided by a personal document courier. A trusted electronic go-between can validate, witness and/or archive transactions wh... | 11/28/2006 |
| 5289112 | Light-emitting diode array current power supply including switched cascode transistors A programmable power supply for driving LEDS is disclosed that includes a reference current leg and a number of output current legs. Both the reference current leg and the output current legs are further comprised of a plurality of parallel driver FET-con... | 02/22/1994 |
| 4820039 | Medical apparatus for diagnosing eye conditions Medical apparatus, a non contact measuring device, for use in diagnosing and monitoring various eye conditions, the apparatus including a camera having in the plane of the image a transparent screen carrying a grid or other markings which will become repr... | 04/11/1989 |
| 4757333 | Apparatus for generating color text and graphics on photographic media Apparatus for generating color slides or other photographic media containing character fonts and graphics images contains one or more character font sets on a transparent drum or disk carrier. Lines of text are entered by keyboard or the like into a data ... | 07/12/1988 |
| 4745561 | Character font pattern editing system for modification of font patterns The interactive character font pattern creation, editing and composition control device comprises transforming a printed font into a dot string data of "0", "1" on a drum scanner or the like, expanding the dot string data of font patterns loaded in a font... | 05/17/1988 |
| 4549077 | Slip processing system A slip processing system operates to read necessary data from a separate sheet or sheets, and identifies, from the data read, certain letters or numerals that characterize the slip to be prepared. The apparatus includes a device selecting a predetermined ... | 10/22/1985 |
| 4511893 | Method of storing images in the form of contours and photo-typesetting apparatus thereof Method and apparatus for storing and photo-typesetting characters and figures stored in the form of data of contours wherein unlike the conventional art, curves of contours are not approximated by straight lines, but are approximated by curves, that is, t... | 04/16/1985 |
| 4486082 | Apparatus for treating materials issuing from photocomposing machines An apparatus which controls the operation of metering pumps serving to regenerate the baths in a developing machine for exposed photosensitive material issuing from a photocomposing machine has a computer whose outputs transmit appropriate signals to the ... | 12/04/1984 |
| 4449801 | Method and projecting typositor for composing typographical artwork on color sensitive photographic medium The present invention improves over the prior art by providing a method and apparatus for composing typographical artwork on color sensitive photographic medium, which method and apparatus may be of an automated nature. The apparatus comprises an optical ... | 05/22/1984 |
| 4400697 | Method of line buffer loading for a symbol generator In a symbol-display system which includes a keyboard for entering codes related to the symbols to be displayed and a memory for storing the codes associated with a line of symbols to be displayed, the symbols being from a font which includes at least one ... | 08/23/1983 |
| 4394076 | Indicia recording apparatus Apparatus for recording characters on a photographic record medium including spaced feed and takeup reels for carrying a roll of the medium. A support such as a cylinder is disposed between the reels supports the record medium. A carriage is controllably ... | 07/19/1983 |
| 4378956 | Direct imaging of information using light pipe displays A light pipe information display, having a non-conductive, transparent planar first glass sheet and a non-conductive planar opaque second glass sheet, both sheets being disposed adjacent to one another with their inner surfaces opposing one another in spa... | 04/05/1983 |
| 4345276 | System and method for high quality image reproduction A system and method for reproducing a plurality of images on a printer in printed form in accordance with selectable, variable multiple formats. The method generally comprises the steps of selecting a given one of a plurality of selectable, variable forma... | 08/17/1982 |
| 4336478 | Method of extending the life of a cathode ray tube A luminous trace of varying length is produced upon a first non-centralized portion of the screen of a cathode ray tube used in a phototypesetter for generating characters, and is precisely imaged upon positions of a photosensitive medium. The concentrati... | 06/22/1982 |
| 4310226 | Indicia recording apparatus Apparatus for recording characters on a photographic record medium including spaced feed and takeup reels for carrying a roll of the medium. A cylindrical support disposed between the reels supports the record medium. A carriage is controllably movable op... | 01/12/1982 |
| 4299458 | Self threading phototypesetter transport system A media transport system in a phototypesetter for "leading" and "reverse leading" movement of film media at minimal inertia and little friction between a supply cassette and a self-threading take-up cassette, and characterized by vacuum pockets adjustable... | 11/10/1981 |
| 4267548 | Format-information synthesizing system A format pattern carried on a format transparency is photoelectrically converted into an electric signal. The electric signal representing the format pattern is inputted into an "exclusive-or" circuit together with a character pattern signal representing ... | 05/12/1981 |
| 4257042 | Electronic pattern generator In an electronic pattern generator characters to be recorded are displayed on the screen of a cathode ray tube and then exposed on a recording medium mounted on a carrier, which is displacable in a plane parallel to the plane of the screen. The characters... | 03/17/1981 |
| 4252420 | Ophthalmoscopical apparatus provided with adjustment system An ophthalmoscopical apparatus for carrying out aligning and/or spacing an eye examining instrument is disclosed. The apparatus includes a projection optical system disposed obliquely to the optical axis of the objective lens of the instrument. A beam of ... | 02/24/1981 |
| 4200369 | Method and apparatus for compacting and decompacting character data in accordance with a variety of methods There is described method and apparatus for use in phototypesetting operations wherein a character is scanned by a plurality of scans or strokes of a light spot output of a cathode ray tube (CRT) of the phototypesetting apparatus, and output signals deriv... | 04/29/1980 |
| 4160981 | CRT video text layout system having horizontal scrolling A circuit in a video layout system permits the operator to view any portion of text material whose width exceeds that of a display screen of a CRT. The circuit has an operator controllable, variable reference signal generator which provides a signal whose... | 07/10/1979 |
| 4141642 | Optical fiber cathode ray tubes and copy machines using the same An improved optical fiber cathode ray tube is provided which enables the recording of images on a recording medium with a high resolution even if the recording medium is disposed with an increased gap between the tube and the recording medium to prevent m... | 02/27/1979 |
| 4135212 | Printing methods and apparatus In a method of image reproduction in which both pictures and test are to be combined in an image on a single sheet for use in the reproduction of a printed page, and in which the signals resulting from the scanning of the pictures are stored prior to the ... | 01/16/1979 |
| 4121228 | Photocomposition machine with keyboard entry and CRT display An improved photocomposition machine is provided including a keyboard and a cathode ray tube (CRT) which displays various function commands, such as font, point size, and line length and their selected values, in a function field area on the CRT screen. C... | 10/17/1978 |
| 4115765 | Autonomous display processor An autonomous processor for displaying on a video tube both text characters and facsimile data. To conserve memory space the facsimile data is stored in compressed form and is decompressed or unfolded in synchronism with the vertical and horizontal deflec... | 09/19/1978 |
| 4038493 | Method and apparatus for phototypesetting Method and apparatus for use in phototypesetting operations wherein a character, e.g. in transparency form, is scanned, for example, by a lightspot output of a cathode ray tube of the phototypesetting apparatus, processed to a suitable format and stored, ... | 07/26/1977 |
| 4033687 | Cathode ray tube pickup device A cathode ray tube pickup device comprises a photosensitive medium having a dielectric layer, a photoconductive layer and conductive layer, a charger for uniformly charging the surface of the photosensitive medium, a discharger for uniformly discharging t... | 07/05/1977 |
| 3953210 | Dry working photographic process relating to N-vinyl compound system A film coated with a dispersion of an N-vinyl compound, an organic halogen compound and a sensitizer in gelatin is preheated at 60°-120°C before an imagewise exposure to sensitize the film and to destroy fog-nuclei. After the imagewise exposure the film... | 04/27/1976 |
| 3950763 | Cathode ray tube lighthead The specification discloses a cathode ray lighthead for an electromechanical plotter. The head is adapted to be mounted upon the carriage of an X-Y Plotter in lieu of a conventional stylus. Plotting is effected on a photographic film through a combination... | 04/13/1976 |
| 3946407 | Manually operated photocomposing apparatus A photocomposing apparatus is disclosed which makes use of a camera means, memory means and display means, which can select character from a character matrix and store all of the characters thus selected as an image signal in the memory means, which can d... | 03/23/1976 |
| 3945018 | Optical information recording device Original information is converted to digital signals and recorded on a digital signal recording medium such as a paper tape. The digital signal recorded on the tape or the like is converted to binary signals. A photosensitive material is fed in synchroniz... | 03/16/1976 |
