Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 4555699 | Data-entry system A processor (18) receives signals from an electronic tablet (10) that represent the positions of a stylus (12) on the tablet surface. The processor operates a cathode-ray tube (20) to display the locations represented by the tablet signals and present sca... | 11/26/1985 |
| 4550438 | Retro-stroke compression and image generation of script and graphic data employing an information processing system A method for compactly storing and reproducing script and graphic data from a computer input device. The computer input device sends a time sequence stream of x,y coordinates indicating graphic character locations on the input device. The first coordinate... | 10/29/1985 |
| 4541689 | Friction wedge alignment system for laser diode collimator pens A wedge/taper alignment ring is used to hold the objective lens of a laser light pen in place. The ring is free to move in the axial direction under forces of thermal expansion and shock, decreasing distortion and misalignment to the objective. Moreover, ... | 09/17/1985 |
| 4501931 | Color information input system for electronic blackboard A color information input system in which handwritten information, such as letters or figures, etc., is input on an entry area by being converted into electrical signals. In order to display the handwritten information in color, different colored pens are... | 02/26/1985 |
| 4496158 | Electro-optical sensor for color television games and training systems Apparatus for discriminating at a distance between one or more colored symbols displayed on the screen of a television receiver from a plurality of other symbols of different colors includes a colored filter which corresponds to the color of the symbol wh... | 01/29/1985 |
| 4490607 | Pinhole objective fibre optic light pen A light pen is described wherein light information indicative of a selected position on a lighted display is propagated along a light conductive fibre cable to a processing circuit. The light pen includes a retractable sleeve wherein pressing the pen to t... | 12/25/1984 |
| 4475239 | Apparatus for text editing and processing Apparatus for editing and processing a text printed on a record carrier, composed of a memory for storing representations of the next characters and of function information relating to the text, a control unit connected for controlling transfer of represe... | 10/02/1984 |
| 4454417 | High resolution light pen for use with graphic displays A high resolution light pen comprises a collimation tube slidably mounted within a housing. The collimation tube includes an axially extending channel having a non-reflective surface. A photodetector is fixably mounted within the housing aligned with the ... | 06/12/1984 |
| 4434489 | Automatic test systems The invention provides an automatic test system for testing and diagnosing faults in a printed circuit board carrying electronic components. The system includes an automatic test apparatus provided to receive a circuit board and produce signals indicative... | 02/28/1984 |
| 4430526 | Interactive graphics transmission system employing an adaptive stylus for reduced bandwidth An interactive graphics transmission system for use, illustratively, in video teleconferencing is described which advantageously reduces the amount of transmission bandwidth and user effort required to transmit changing graphical information. This is acco... | 02/07/1984 |
| 4318096 | Graphics pen for soft displays A graphics input device for use with location indicating means to present graphic data upon a computer controlled visual display. The device includes a pen having a housing within which is disposed a conductive stylus shaft, one end extending beyond the h... | 03/02/1982 |
| 4303914 | Visual display input device An input device for a computer controlled visual display enables an operator to instruct the shift of a display element in a chosen direction by hand movement of the input device sensor in an analogous direction over a plane surface. The sensor includes a... | 12/01/1981 |
| 4275395 | Interactive projection display system An interactive projection display system having a light pen device for use thereon is described. The projection display system has an image of a light valve on a projection screen which is formed by visible light of specified wavelengths. The projection s... | 06/23/1981 |
| 4177354 | Graphic communications apparatus A light-spot-emitting stylus (21) is utilized by an operator to write graphical information on the surface of a simple multilayer planar transducer device (10) that includes a photoconductive layer (16) sandwiched between a transparent conductive layer (1... | 12/04/1979 |
| 4144405 | Character writing system Each Kanji-character is divided into a plurality of part contours constituting the Kanji-character. The part contours of a character are sequentially designated according to the conventional order of writing various parts of the character by an input unit... | 03/13/1979 |
| 4114095 | Solid state oscilloscope Compact oscilloscope in which the display, an array of light emitting diodes, is integral with the probe. The array continuously is scanned column by column at a controllable rate and concurrently voltages are applied to rows selected in accordance with t... | 09/12/1978 |
| 4070649 | Multi-modal data input/output apparatus and method compatible with bio-engineering requirements Apparatus and method for sensing, recognizing, displaying, processing and storing motion generated symbolic information including a hand held, mark-forming writing instrument having motion sensing means and a wrist mounted display communicating with the w... | 01/24/1978 |
| 4005400 | Data entry and decoding system for scripted data A conductive stylus is utilized in conjunction with conductive segments to rovide for data entry into extremely small calculators such as might be incorporated in an electronic digital watch case. Multi-bit codes, representing the segments contacted by the... | 01/25/1977 |
| 3956745 | Programmable keyboard arrangements A programmable keyboard of the kind in which a member presents a plurality of discrete areas to a co-operating probe, each of which areas produces a unique signal when addressed by the probe, is provided with a liquid crystal display to identify the curre... | 05/11/1976 |
