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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 6947060 | Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance... | 09/20/2005 |
| 6683658 | Scanner phase control for a scrolling color projector A scanner phase control for a scrolling color projector utilizes the back-EMF value of a motor which rotates a prism of the scanner to set a reference point for the prism. A reference phase signal is provided which corresponds to timing information of the... | 01/27/2004 |
| 5734178 | Imaging system using area sensor An imaging system using an area sensor in which reading of very fine object such as a manuscript, etc. is permitted to be carried out. This imaging system includes an area sensor in which a plurality of pixels are two-dimensionally arranged so that a pixe... | 03/31/1998 |
| 5508738 | Single panel color porjection video display having control circuitry for synchronizing the color illumination system with reading/writing of the light A color projection video system utilizing only a single light valve. A white light source is separated into into red, green and blue bands. Scanning optics cause the RGB bands to be sequentially scanned across a light valve, such as a transmission LCD pan... | 04/16/1996 |
| 5416514 | Single panel color projection video display having control circuitry for synchronizing the color illumination system with reading/writing of the light valve A color projection video system utilizing only a single light valve. A white light source is separated into into red, green and blue bands. Scanning optics cause the RGB bands to be sequentially scanned across a light valve, such as a transmission LCD pan... | 05/16/1995 |
| 5327244 | Strobe timing control circuit for use in video tape recorder A circuit for varying the strobe timing of the PIP in a VTR which includes a microcomputer, first, second and third counters receiving the signal for varying the strobe timing of the microcomputer, a modulo-4 counter and logic receiving the output of the ... | 07/05/1994 |
| 5105270 | Synchronous image input method and system therefor This invention relates to an image input method and a system therefor for raster-scanning an object which makes periodical movements and for obtaining thermal images thereof. The invention comprises the steps of taking in such periodical movements of the ... | 04/14/1992 |
| 4729617 | Scanning clock generating device for optical scanner A scanning clock generating device for an optical scanner which scans a selected surface by a light beam to write optical information or read image information. The scanner scans the surface by a light beam which is deflected at a constant or a non-consta... | 03/08/1988 |
| 4719515 | Method of generating synchronizing signals A synchronizing signal is generated in relation to the scanning of a recording medium with a scanning light beam emitted from a scanning light source and deflected by a light deflector. A synchronizing-signal generating laser beam is emitted from a synchr... | 01/12/1988 |
| 4388651 | Method and apparatus for generating a scanned optical output signal A system is disclosed for transforming a collimated beam of light, such as that generated by a laser, into a line scan or a raster image for projecting onto a screen or other object. The laser beam is directed at a rotating mirror having a plurality of fa... | 06/14/1983 |
| 4320420 | Hybrid bit clock servo A circuit for controlling the clock rate separately for each facet of a polygon used in a laser driven raster output scanner. The clock rate for facet #0 is servoed using a first order integrator (11) driven by a digital correction circuit which compares ... | 03/16/1982 |
| 4306252 | Optical scanning method and apparatus Optical scanning method and apparatus suitable for use with a video player for scanning an information bearing medium to produce a standard television signal is disclosed. The scanning apparatus includes a movable mirror that deflects an optical path to e... | 12/15/1981 |
| 4245240 | Color camera having linear scanning arrays and vertical scanning mirror A picking-up apparatus such as a color television camera for converting an image of an object to be picked-up into an electrical picture signal comprises a lens system such as an objective lens system for forming the image of the object on an image plane,... | 01/13/1981 |
| 4241343 | Display apparatus A display apparatus may be constructed by imparting motion to the light from a small light source to give the appearance of a line, causing the light to be "off" and "on" as desired during traverse of a line length, using as many light sources as needed f... | 12/23/1980 |
| 4139257 | Synchronizing signal generator In a device wherein a scanning beam from a light source is deflected by a light deflector, especially a rotatable polygonal mirror or a vibratory mirror and focused by an optical element such as a lens or the like to optically scan a surface to be scanned... | 02/13/1979 |
| 4024341 | Method of picking out synchronizing light beam in light scanning systems In a light scanning recording or displaying system, a synchronizing light beam is separated from a signal light beam used for recording images or display utilizing the difference in wavelength of the two light beams. The synchronizing light beam and the s... | 05/17/1977 |
| 3946155 | Optical scanning systems An infra-red scanning system with raster scan display unit operating in the visible spectrum, in which the image is scanned across a linear array of detector elements to provide a signal multiplexer with electrical signals related to the detected radiatio... | 03/23/1976 |
| 3931468 | Method and a device for generating line rasters in an infra-red imaging system The present invention relates to a method and a device for generating line rasters in an infra-red imaging system (IR-imaging system) comprising an IR-camera and an image representation unit; the IR-camera being provided with a frame scanning unit compris... | 01/06/1976 |
