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Patent No. 5823572

Self Defense Weapon With Memo

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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Class 400/124.3 - Tip cross-section


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein significance is attributed to the
No. of patents: 14
Last issue date: 07/10/2007


NumberTitleIssue Date
7241420Capillary-channel probes for liquid pickup, transportation and dispense using stressy metal
Fluidic conduits, which can be used in microarraying systems, dip pen nanolithography systems, fluidic circuits, and microfluidic systems, are disclosed that use channel spring probes that include at least one capillary channel. Formed from spring beams (e.g., stres...
07/10/2007
6953245Ink-jet printing apparatus and ink-jet printing method
An ink-jet printing apparatus and an ink-jet printing method are provided which can improve a quick-drying performance of an ink containing an ultraviolet curing agent while at the same time preventing harm done by ink mist. When the printing head ejects ink contain...
10/11/2005
6669382Printer and method of controlling the same
A printer including a printing head for performing printing while moving over a printing medium, a gap roller capable of rolling along a direction of moving of the printing head, and a platen bar placed so as to face the printing head and the gap roller. ...
12/30/2003
555621124 pin dot printer head and method of making the same
A method for manufacturing a print wire for a 24-pin dot printer head comprises the steps of first annealing an oil temper thin elongated wire rod at a predetermined rate to remove internal strains and eliminate distortions and imperfections after the oil...
09/17/1996
5513563Indicia security via variable dot size
A system is disclosed that makes it more difficult to print fraudulent indicia. Security is achieved by varying the dot size of pixels in the printed image according to a predetermined arrangement....
05/07/1996
5118210Print hammers of printing head in dot line printer
Print hammers in a printing head of a dot line printer for printing with an ink ribbon multiple dot lines in a single shuttling direction and for providing a character line by the combination of the multiple dot lines in accordance with reciprocal motions...
06/02/1992
4562446Ink-dot printer with magnetic ink attracting and retention preventing means
An ink-dot printer comprises a magnetic ink storage tank storing magnetic ink, a pair of pole plates facing each other so as to define a slit one end portion of which is contacted with the magnetic ink supplied from the magnetic ink storage tank, an elect...
12/31/1985
4462705Cross hammer dot printer
A print head travelled lengthwise with respect to a cylindrical rotary drum provided on its outer periphery with a plurality of ridges extending parallel to the axis has two or more print hammers electromagnetically driven. The print hammers are arranged ...
07/31/1984
4428285Oscillatory band and hammer dot matrix printer
Described, is a printing mechanism allowing full exploitation of the potential of dot matrix printing. Dot forming elements are mounted on a carrier for transport past an array of hammers located in front of media to be marked upon. The dots or carrier ar...
01/31/1984
4428692High speed impact matrix printer
An improved high speed impact matrix printer is provided for use with data processing systems and digital communication systems. In the serial wire matrix printer (10) of the preferred embodiment, a printhead (36) has print wires (90) arranged as a column...
01/31/1984
4389126Serial impact printer having two printing modes
A serial impact printer has two printing modes, one being a formed-character mode and the other a dot matrix mode. A plurality of dot matrix wires are disposed behind a character carrying member having characters on fingers. One of the wires impacts a sel...
06/21/1983
4326814Document printing device having a platen with character segments thereon
A printing device having a document feed path defined therein and a platen fixedly mounted adjacent the feed path, the platen having a plurality of character segments formed thereon. A plurality of impact members, there being at least one thereof for each...
04/27/1982
4268180Dot printer wire
A dot printer wire comprising: a smaller diameter forward section provided with a printing portion at the foremost end; a base section having a larger diameter than said smaller diameter forward section; and an intermediate section which lies between said forw...
05/19/1981
4068583Hammer actuated dot matrix pattern printer
A dot matrix pattern printer of the impact type mainly comprises a hammer of which an active portion is flattened to have a predetermined length in the lateral direction, and a vertical line element which has a predetermined length in the vertical directi...
01/17/1978
 
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