| Patent Number |
Title Of Patent |
Date Issued |
| 7208915 |
Constant-current battery charger |
April 24, 2007 |
| A constant-current battery charger includes a power supply for supplying a charge current to a secondary cell, and a current monitor for monitoring a charge current being supplied to the cell. A controller is included for varying the charge current in accordance with the monitored charge |
| 6958631 |
High-speed current switch circuit |
October 25, 2005 |
| A high-speed current switch circuit of this invention has an n-type MOS transistor Q11 which switches and outputs a current, and a control circuit 11 which performs switching control of the MOS transistor Q11. In the control circuit 11, a source follower is formed by an N-type MOS tr |
| 6788296 |
Coordinate data entry device |
September 7, 2004 |
| The present invention provides a coordinate data entry device comprising a plurality of receivers disposed in the vicinity of a board surface, and a position indicator to transmit signals, at least one of which employs ultrasonic waves, to the receivers, thereby detecting the position of |
| 6654008 |
Electronic whiteboard and penholder used for the same |
November 25, 2003 |
| An electronic whiteboard capable of being drawn by using marker pens of several colors and one penholder, and a penholder for use in such an electronic whiteboard are disclosed. In a penholder for mounting marker pens, an infrared light emitting unit emits infrared light containing c |
| 5985183 |
Piezoresistance paste and mechanical sensor using the same |
November 16, 1999 |
| The present invention provides a mechanical sensor high in sensitivity (GF) and reliability. The mechanical sensor comprises an insulating substrate, a pair of electrodes formed on the insulating substrate, and a piezoresistance element formed by connecting the electrodes. The piezor |
| 5889459 |
Metal oxide film resistor |
March 30, 1999 |
| According to the present invention, there is provided a metal oxide film resistor which has an insulating substrate, a metal oxide resistive film having at least a metal oxide film having a positive temperature coefficient of resistance and/or a metal oxide film having a negative tem |
| 5667888 |
Color filters and methods of manufacturing the same |
September 16, 1997 |
| The composite layer according to the present invention comprises a substrate and a colored layer formed on the surface of this substrate. This colored layer contains a transparent layer and a coloring agent dispersed within the transparent layer, and this transparent layer is made of |
| 5606479 |
Magnetic head |
February 25, 1997 |
| A magnetic head of the present invention includes a pair of substrates which are formed of ferrite and sealed with sealing glass, wherein an averaged thermal expansion ratio of the sealing glass in the range of 30.degree. C. to a setting temperature .alpha..sub.Ts (glass) is smaller |
| 5444844 |
Figure drawing apparatus and inventory purchasing system using the same |
August 22, 1995 |
| In order to provide an automatic figure drawing apparatus in which erroneous figure drawing can be prevented, neither a large-capacity magnetic disk nor a number of floppy disks is required, and management and operation can be performed easily by integrating a parametric system stori |
| 5406852 |
Pressure sensor having a resistor element on a glass dryer with electrodes connected thereto |
April 18, 1995 |
| A pressure sensor including a plate-shaped metal substrate; a glass layer provided on a surface of the metal substrate and mainly containing a partially devitrified enamel composition; a resistor element which is provided on a surface of the glass layer and has an electric resistance |
| 5346523 |
Method of molding chalcogenide glass lenses |
September 13, 1994 |
| An infrared transmitting chalcogenide glass lens having precision optical surfaces of different curvature radii is molded. A pair of molds having different curvature radiuses from each other, and a bushing which controls the thickness of the lens is provided. A block of chalcogenide glas |
| 5315434 |
Infrared-transmissive lens and human body detecting sensor using the same |
May 24, 1994 |
| An infrared-transmissive lens formed by using glass including germanium and selenium or germanium and sulfur as main components and a human body detecting device including the lens and a pyroelectric infrared sensor are disclosed. With this configuration, glass having excellent transmiss |
| 5245492 |
Magnetic head |
September 14, 1993 |
| A magnetic head comprising magnetic core halves which are sealed with a sealing glass which consists essentially of 1 to 75 wt. % of TeO.sub.2, 1 to 30 wt. % of B.sub.2 O.sub.3, 1 to 75 wt. % of PbO, 1 to 25 wt. % of CdO, 0 to 15 wt. % of ZnO, 0 to 25 wt. % of Bi.sub.2 O.sub.3, 0 to 5 wt |
| 5242722 |
Strain sensor |
September 7, 1993 |
| This is to introduce a strain sensor of high quality and excellent durability. This strain sensor is composed of a basic metal body, a crystallized glass layer formed over the surface of the basic metal body, and a resistance element that changes its resistance value by strain change |
| 5224001 |
Magnetic head |
June 29, 1993 |
| A magnetic head comprising magnetic core halves which are sealed with a sealing glass which consists essentially of 10 to 25% by weight of SiO.sub.2, 55 to 80% by weight of PbO, 1 to 15% by weight of CdO, 0 to 10% by weight of B.sub.2 O.sub.3, 0 to 5% by weight of ZnO, 0 to 5% by weight |
| 5204290 |
Crystallized glass |
April 20, 1993 |
| The invention relates to crystallized glass that can be used with various electronic components such as magnetic heads and the like as bonding or sealing glass. This crystallized glass comprises, in % by weight, at least 11-17% of SiO.sub.2, 7-10% of B.sub.2 O.sub.3, 30-55% of PbO, 1-3% |
| 5181947 |
Method for manufacturing a glass fiber |
January 26, 1993 |
| A method for manufacturing a glass fiber having a polygonal cross section is provided. According to the method, a glass fiber having an orbicular cross section is manufactured by drawing molten glass supplied into a crucible heated at higher temperatures than a softening point of glass o |
| 5057378 |
Glass ceramic for coating metal substrate |
October 15, 1991 |
| The present invention relates to a glass ceramic which can provide a board comprising a metal substrate and the glass ceramic coated on said substrate, particularly a board comprising said board and a fine wiring pattern applied onto said board by means of thick film printing. In par |
| 4965229 |
Glass ceramic for coating metal substrate |
October 23, 1990 |
| The present invention relates to a glass ceramic which can provide a board comprising a metal substrate and the glass ceramic coated on said substrate, particularly a board comprising said board and a fine wiring pattern applied onto said board by means of thick film printing. In par |
| 4885020 |
Method of manufacturing glass fiber |
December 5, 1989 |
| A method of manufacturing a polygonal glass fiber is disclosed. According to an embodiment of the present invention, a glass in a melted state is poured into a dividable polygonal slit having a cross section 5 to 20 times larger than a finally required cross section of a glass fiber to b |
| 4861657 |
Article having insulation abrasion coated layer |
August 29, 1989 |
| The present invention relates to an article having an insulation abrasion-resistance coated layer composed of glass ceramics containing a given amount or more by weight at least either of oxides of divalent alkaline earth metals of a group composed of BaO, MgO, CaO and ZnO and contai |
| 4855261 |
Sealing glass |
August 8, 1989 |
| This invention relates to a sealing glass for use in bonding glass, ceramics and metals and specifies the composition of a sealing glass which is workable at moderate temperatures and is excellent in transparency and strength. Amorphous magnetic materials have themselves a crystallizatio |
| 4694573 |
Method of forming electrically conductive circuit |
September 22, 1987 |
| Disclosed is a method of forming an electrically conductive circuit comprising the steps of: preparing a transferring paper in which an assembly of electrically conductive foil carrying a predetermined pattern and an insulating layer containing glass frit and an overcoat layer consis |
| 4591346 |
Self-righting vehicle with means for locking drive wheel |
May 27, 1986 |
| A toy vehicle having a chassis and a plurality of wheels mounted on the chassis includes a wind up motor which is connected to at least one of the wheels. At least one detent is located in association with the wheel which is connected to the wind up motor. A member is mounted on the vehi |
| 4587402 |
Planar heating unit |
May 6, 1986 |
| A planar heating unit comprises a base plate (1) having a surface electrically insulated by an insulation enamel layer (2a) or the like, a heating conductor (3) placed on the insulation surface of the base plate for generating Joule heat, and an enamel layer (4) fixing the heating co |
| 4541813 |
Device for controlling wheeled vehicles |
September 17, 1985 |
| A launching device for wheeled toy vehicles has a housing with a vehicle support surface located on the housing. An opening is located in the support surface so as to allow one of the wheels of the vehicle to be partially located within the opening. An element in the housing is movable |
| 4493900 |
Low melting enamel frits |
January 15, 1985 |
| A low melting enamel frit which comprises 31 to 39 wt % of SiO.sub.2, 13 to 21 wt % of B.sub.2 O.sub.3, 14 to 21 wt % of Na.sub.2 O, 1 to 5 wt % of K.sub.2 O, 5 to 20 wt % of ZnO, 2 to 10 wt % of F.sub.2 and 2 to 9 wt % of at least one of Al.sub.2 O.sub.3, ZrO.sub.2 and TiO.sub.2 provide |
| 4489344 |
Signal processing unit |
December 18, 1984 |
| In a signal processing device, such as a television receiver, a multiplex signal processing circuit with a switching device for selecting either a first image signal and a second image signal. A clamping circuit is provided for clamping the pedestal potential of the second signal at a |
| 4469798 |
Low melting, opaque enamel frit |
September 4, 1984 |
| A low melting, opaque enamel frit is described, which comprises 30 to 36 wt. % of SiO.sub.2, 15 to 20 wt. % of B.sub.2 O.sub.3, 7 to 9 wt. % of Na.sub.2 O, 5 to 10 wt. % of ZrO.sub.2, 10 to 17 wt. % of TiO.sub.2, 7 to 15 wt. % of K.sub.2 O, 2 to 10 wt. % of F.sub.2 and 0.5 to 2.5 wt. % o |
| 4408253 |
Variable capacitor |
October 4, 1983 |
| A variable capacitor, wherein at least one of its stator or rotor electrode is made of aluminum alloy or copper alloy and coated with a thin dielectric material layer containing fluorocarbon resin as its principal component by means of baking, is disclosed. The disclosed variable cap |
| 4377618 |
Infrared radiator |
March 22, 1983 |
| An infrared radiator is disclosed which comprises a molded mass of an infrared radiating material and a frit material both in the form of powders which are fusingly bonded together on molding with or without use of a metallic substrate. Alternatively, the infrared radiator comprises a |
| 4308686 |
Toy having appendage capable of moving in two directions |
January 5, 1982 |
| A toy which can repetitively move with respect to the medium supporting it has a toy body with at least one appendage movably mounted to the body. A portion of that appendage is exposed from the body and is positioned to contact the supporting medium. A mechanism within the body is opera |
| 4301615 |
Toy having member capable of going from a first position to a second position and automatically |
November 24, 1981 |
| A toy has a body in the shape of a characterized animal. At least one of the extremities, preferably the head, is attached to a movable member which moves between a retracted position wherein the majority of the member is located inside the body to an extended position wherein the gr |
| 4300308 |
Toy vehicle capable of traveling on both its top and bottom surfaces |
November 17, 1981 |
| A toy vehicle has a first and a second surface which are spaced apart from one another and reversibly serve as the top and bottom of a vehicle. When one of the surfaces is serving as the top of the vehicle the opposite surface of the vehicle is serving as the bottom of the vehicle. The |
| 4291490 |
Moving toys |
September 29, 1981 |
| Structures which are considered to be primarily useful as toys can be constructed utilizing members or arms adjustably mounted on a rotating shaft within the body of such a structure. By shifting the positions of such members or arms the type of movement of such a structure on a supp |
| 4266777 |
Target apparatus for ejecting articles |
May 12, 1981 |
| A game employing a gun capable of emitting a light beam can be played using a target apparatus which ejects objects each time this apparatus is appropriately actuated by a light beam. The target apparatus includes a turntable which is capable of being rotated by a motor. The turntable |
| 4223376 |
Apparatus for projecting a light beam |
September 16, 1980 |
| An apparatus for projecting a light beam is disclosed which is constructed so as to simulate a gun. Within the apparatus a light bulb is mounted upon a base having a spherical surface. This base is resiliently engaged by a bearing having a correspondingly shaped interior in such a manner |
| 4212412 |
Turntable article holder with ejector |
July 15, 1980 |
| A game employing a gun capable of emitting a light beam can be played using a target apparatus which ejects objects each time this apparatus is approximately actuated by a light beam. The target apparatus includes a turntable which is capable of being rotated by a motor. The turntable |
| 4147835 |
Article having self-cleaning coating |
April 3, 1979 |
| A slip containing a frit and an oxidizing catalyst is sprayed over a substrate and fused at a temperature as low as 550.degree. C. The frit consists of 15-60% by weight of SiO.sub.2, 9-35% of B.sub.2 O.sub.3, 10-30% Na.sub.2 O, 1-25% of Al.sub.2 O.sub.3, 0-20% of Li.sub.2 O, 0-10% of |
