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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 |
| 7733636 | Keyboard connection configuration and electronic device An electronic device includes a device main frame portion, a display portion supported by the device main frame portion, a keyboard, and a casing on which the keyboard is disposed. The keyboard includes a plurality of operating keys, a placement base in which the pl... | 06/08/2010 |
| 7394004 | Key structure A key structure includes a top plate which is formed by laminating a half-transparent resin surface layer member on a resin bottom side member using two-color injection molding, and the top plate is secured on a wooden key base. A plurality of concave grooves and pr... | 07/01/2008 |
| 7348477 | Electronic keyboard musical instrument Casing of an electronic keyboard musical instrument includes two discrete parts: a main casing section; and a rear casing section. The main casing section includes a bottom plate having a keyboard section placed thereon, a keyslip portion extending upward from the b... | 03/25/2008 |
| 7323628 | Keyboard musical instrument having top board coupled with another board through mortise and tenon joint A front board, side boards and a rear board define the periphery of a cabinet for a keyboard musical instrument; a top board is connected to the front board through a mortise and tenon joint, and is further coupled to rear posts by means of an angle bar and bolts; t... | 01/29/2008 |
| 7154033 | Keyboard for musical instrument An extremely easy-to-play keyboard for musical instrument capable of forming any keyboard rows such as a semitone arrangement to a diatessaron arrangement and a chord arrangement with one keyboard substrate, wherein the keyboard substrate is formed so that the keybo... | 12/26/2006 |
| 7140588 | Brace rotating mechanism A brace to be able to maintain the open position of a lid of a keyboard musical instrument (grand piano), is able to rotate between an erect position that maintains an open position of lid and a collapsed position, and is able to be self-standing in the erect positi... | 11/28/2006 |
| 7126049 | Method of improving repetitive striking performance, jack and action mechanism of piano A jack used in an action mechanism of a piano has substantially an L-shape, composed of a big jack portion and a small jack portion. The thickness of the small jack portion is made smaller than that of the big jack portion in a direction of key arrangement in a stat... | 10/24/2006 |
| 7012178 | Compact musical instrument equipped with automatic player A music box includes a daisy reed wheel having reeds radially projecting from a hub for generating tones and solenoid-operated player's fingers arranged around the daisy reed wheel; the tips of the reeds are widely spaced from one another by virtue of the radial arr... | 03/14/2006 |
| 6998522 | Keyboard instrument A keyboard instrument is provided which inhibits generation of unintended, audible noise. A partition (body part) is arranged between adjacent hammers corresponding to keys. In the keyboard instrument provided with the partition, even if the keyboard instrument is r... | 02/14/2006 |
| 6992242 | Keyboard musical instrument equipped with automatic top board spacer A keyboard musical instrument such as a grand piano has a front top board and a rear top board with which an upper opening of a piano case is closed, and the rear top board is confronted with the front top board at the closing position; an automatic board spacer is ... | 01/31/2006 |
| 6976736 | Shell for bicycle saddle A shell for bicycle saddle includes a body and a shock-absorbing member. The body is made of at least one layer of plastic composite materials (PCM) to form the contour of the shell and has at least one opening corresponding to the sitting area of the bicycle saddle... | 12/20/2005 |
| 6972358 | Electronic keyboard musical instrument Casing of an electronic keyboard musical instrument includes two discrete parts: a main casing section; and a rear casing section. The main casing section includes a bottom plate having a keyboard section placed thereon, a keyslip portion extending upward from the b... | 12/06/2005 |
| 6888053 | Electronic keyboard musical instrument Casing of an electronic keyboard musical instrument includes two discrete parts: a main casing section; and a rear casing section. The main casing section includes a bottom plate having a keyboard section placed thereon, a keyslip portion extending upward from the b... | 05/03/2005 |
| 6875909 | 92 key piano A versatile, high performance grand piano includes a keyboard having 92 keys thereon as opposed to the conventional 88 keys found on most pianos. Furthermore, each key hammer strikes four dedicated strings as opposed to the three shared strings found on conventional... | 04/05/2005 |
| 6720489 | Piano muter A muter configured to be placed beneath the soundboard of a piano (in the case of a grand piano) in order to attenuate the downward transmission of sound. The muter employs blocks of acoustic foam, shaped to frictionally engage the structural elements of the piano i... | 04/13/2004 |
| 6680430 | Speaker edge, method of foam-molding the same, apparatus for foam-molding the same, speaker edge foam-molding system, and speaker employing the speaker edge A speaker edge is made of a thermosetting composition consisting of a polyurethane prepolymer and an inactivated solid polyamine as a latent hardener. A gas is dispersed in the thermosetting composition, prior to feed into a mold, so that it can foam and ... | 01/20/2004 |
| 6670532 | Legs formed from laminated woody board and keyboard musical instrument using the same A keyboard musical instrument such as a piano has legs for supporting a piano case on a floor, a pair of glued laminated woody members like an L-letter, a pair of decorative plates and a caster are assembled into the leg, and the pair of glued laminated w... | 12/30/2003 |
| 6610914 | Piano A sonic-vibration-generating mechanism of a piano is divided into a two-segment structure made up of the sonic-vibration-generating mechanism of the upstream side A and the sonic-vibration-generating mechanism of the downstream side B, and the sonic-vibra... | 08/26/2003 |
| 6469237 | Apparatus for opening and closing top board of grand piano In an apparatus for opening an closing a top board of a grand piano, the top board is hingedly supported along one side thereof on an outer rim of the grand piano. The apparatus has a gear-type of jack made up of a jack main body fixed to a wooden fame of... | 10/22/2002 |
| 6180859 | Panel assembly for electronic keyboard musical instrument A panel assembly for an electronic keyboard musical instrument is disposed over a substantially entire width in a direction in which keys are arranged. The panel assembly serves to cover electronic circuits or the like contained therein. The panel assembl... | 01/30/2001 |
| 5959223 | Method of assembling an upright piano There is provided a method of assembling an upright piano. The upright piano is divided into a plurality kinds of units. The plurality of kinds of units are each separately assembled, and these plurality of kinds of units thus assembled are joined to each... | 09/28/1999 |
| 4697494 | Piano soundboard downbearing force simulator Pianos in which the desired downbearing force of the strings upon the bridges and soundboard is predetermined and accurately simulated upon the soundboard bridges so that adjustments can be made to the bridge-string plate relationship so that the previous... | 10/06/1987 |
| 4378881 | Portable securing assembly for an electric musical instrument A portable electric keyboard musical instrument is disclosed which includes (1) a two-part folding supporting structure, (2) a plurality of vibratile reeds with each having an end fixedly attached to the supporting structure, (3) a plurality of actions fo... | 04/05/1983 |
| 4020730 | Musical instrument A stringed musical instrument that can be played in a manner similar to a piano or organ and yet sounds like a guitar. It includes a plurality of string sets extending between and across a pair of string bridges that are mounted on and extend transversely... | 05/03/1977 |
