Patent application number | Description | Published |
20080218492 | Touch panel - A touch panel which is not deteriorated in the linearity of electric potential gradient despite having a protruding portion. In the touch panel, the local protruding region of at least one of a pair of electrode plates is electrically insulated from the transparent conductive film. The at least one electrode plate is formed so that the local protruding region electrically insulated from the transparent conductive film includes a protruding board portion locally protruding outward from a region of each insulating board located between a pair of electrodes. The local protruding region of the at least one electrode plate includes a second conductive film provided on one surface of the protruding board portion; the second conductive film is insulated from the transparent conductive film. | 09-11-2008 |
20080236905 | Touch panel - A touch panel including a fixation side substrate and an operation side substrate disposed in opposition and adhered to each other, having a fixation side conductive film and an operation side conductive film respectively formed on opposing faces of the fixation side substrate and the operation side substrate, and being capable of detecting any contact point on the fixation side conductive film and the operation side conductive film as a 2-dimensional coordinate, wherein a bending section is formed between one end and the other end thereof, and wherein two input operation regions are defined and formed on both sides of the bending section. | 10-02-2008 |
20090133941 | Panel-type input device - A panel-type input device including a pair of electrode plates, each electrode plate including a substrate and a conductive coat provided on a surface of the substrate; and a plurality of dot spacers formed in a dispersed arrangement on a surface of the conductive coat of at least one of the electrode plates. The electrode plates are assembled with each other in a relative arrangement such that respective conductive coats are opposed to and spaced from each other while permitting a conductive contact therebetween. The conductive coat of at least one of the electrode plates is formed by using a conducting polymer. The dot spacers are formed in such a manner that a value A=H/D, representing a relationship between an overall height Hμm of each dot spacer measured from the surface of the conductive coat, on which the dot spacers are formed, and a substantial disposition interval Dmm of the dot spacers on the surface, is in a range of 1.5 | 05-28-2009 |
20090135161 | Panel-type input device and electronic apparatus having the same - A panel-type input device including a first electrode plate, a second electrode plate and an intermediate layer fixing the first electrode plate to the second electrode plate. The first electrode plate includes a first substrate and a first conductive coat on the first substrate. The second electrode plate includes a second substrate and a second conductive coat on the second substrate, the second conductive coat being formed by using a conducting polymer. The intermediate layer is provided along outer edges of mutually opposed first and second conductive coats and ensures a spacing distance therebetween. The first and second electrode plates have a frame area including a region in which the intermediate layer is provided, and an input-permissible area surrounded by the frame area. When the panel-type input device is attached to an object with the first electrode plate being laid on the object, the second electrode plate is disposed in such a manner that an outer peripheral portion of the input-permissible area, adjoining the frame area, is exposed so as to permit an input operation. | 05-28-2009 |
20090201268 | Panel-type input device, method of manufacturing panel-type input device, and electronic apparatus having panel-type input device - A panel-type input device including a pair of electrode plates, each electrode plate having a substrate and a conductive coat provided on a surface of the substrate, the conductive coat of each electrode plate being formed from a conducting polymer. The conductive coat of each electrode plate includes a detecting area adapted to detect a touch input and an inoperative area disposed adjacent to the detecting area, the inoperative area having a surface resistivity higher than a surface resistivity of the detecting area. A parallel electrode pair adapted to apply a voltage to the conductive coat is formed in the detecting area, and conductors connected to the parallel electrode pair are formed in the inoperative area. The inoperative area insulates the conductors from the detecting area. | 08-13-2009 |
20100006348 | Input detection circuit, input detection method, input detection apparatus, and computer readable medium - An input detection circuit including: an acquisition portion that acquires at least one potential of a first conductive membrane formed on a first surface of a first substrate, and a second conductive membrane formed on a second surface of a second substrate provided at a position away from the first substrate, the second surface being opposed to the first conductive membrane; a first control portion that controls switches connected to the first conductive membrane or the second conductive membrane to intermittently apply a voltage to the first conductive membrane; and a first detection portion that detects an input operation by detecting the generation of a current that flows from the first conductive membrane to which the voltage is applied by the first control portion, to the second conductive membrane based on the potential acquired by the acquisition portion. | 01-14-2010 |
20110114374 | ELECTRODE PLATE WITH CONDUCTIVE COAT AND PANEL-TYPE INPUT DEVICE - An electrode plate with a conductive coat, which includes a substrate and a conductive coat provided on a surface of the substrate. The conductive coat includes a first conductive member laminated on the surface of the substrate, the first conductive member being formed from a conducting polymer; and a second conductive member placed on a surface of the first conductive member in a distributed manner, the second conductive member being formed from an inorganic conductive material. An electric conductivity of the inorganic conductive material forming the second conductive member is higher than an electric conductivity of the conducting polymer forming the first conductive member. | 05-19-2011 |
20140362312 | PANEL-TYPE INPUT DEVICE, METHOD OF MANUFACTURING PANEL-TYPE INPUT DEVICE, AND ELECTRONIC APPARATUS HAVING PANEL-TYPE INPUT DEVICE - A panel-type input device including a pair of electrode plates, each electrode plate having a substrate and a conductive coat provided on a surface of the substrate, the conductive coat of each electrode plate being formed from a conducting polymer. The conductive coat of each electrode plate includes a detecting area adapted to detect a touch input and an inoperative area disposed adjacent to the detecting area, the inoperative area having a surface resistivity higher than a surface resistivity of the detecting area. A parallel electrode pair adapted to apply a voltage to the conductive coat is formed in the detecting area, and conductors connected to the parallel electrode pair are formed in the inoperative area. The inoperative area insulates the conductors from the detecting area. | 12-11-2014 |
Patent application number | Description | Published |
20080291166 | Input system and input device - An input system includes an information generation part which generates input information based on a given input operation, a transmission part which transmits signal generated by having a plurality of different carrier frequencies modulated with the input information, and a reception part which receives the transmitted signals and demodulates the signals into input information. | 11-27-2008 |
20090289643 | COORDINATE DETECTING DEVICE AND METHOD - A coordinate detecting device includes a resistive film disposed on a quadrangular substrate; a power source for applying a voltage to the resistive film; four electrodes connected to the power source and disposed in four corners of the resistive film; four switches each disposed between the power source and a corresponding electrode; four ammeters for measuring currents flowing through corresponding electrodes; and a grounded conductive film for detecting coordinates of a contact point on the resistive film when the conductive film is brought in contact with the resistive film. The voltage is applied sequentially to the electrodes by opening and closing the switches. When the conductive film is brought in contact with the resistive film, the ammeters sequentially measure currents flowing through the corresponding electrodes. The coordinates of the contact point are detected based on positions of the electrodes and resistances obtained using the measured currents. | 11-26-2009 |
20100182277 | TOUCH PANEL AND COORDINATES DETECTING METHOD USING TOUCH PANEL - A touch panel includes a lower conductive film, four electrodes disposed in edge portions of four sides of the lower conductive film, and an upper conductive film disposed over the lower conductive film so that the upper and lower conductive films are opposed to each other, to detect an electric potential in the lower conductive film when the upper conductive film is in contact with the lower conductive film. The upper conductive film includes split portions containing no transparent conductive material and split conductive portions divided by the split portions. The touch panel is arranged to detect an electric potential of each of contact points in the split conductive portions when the upper and lower conductive films are brought in contact with each other at the contact points, and detect respective coordinates of the contact points based on the electrical potentials. | 07-22-2010 |
20100265198 | TOUCHSCREEN PANEL, ELECTRONIC APPARATUS AND METHOD OF FABRICATING TOUCHSCREEN PANEL - A touchscreen panel includes an upper substrate having a first transparent conductor layer provided on a first base layer, and a lower substrate having a second transparent conductor layer provided on a second base layer. The first and second transparent conductor layers oppose each other via a spacer and make contact when the first base layer is pressed. The first transparent conductor layer is segmented into a plurality of conductive regions that are electrically insulated from each other. | 10-21-2010 |
20100271322 | POSITION DETECTING METHOD FOR TOUCHSCREEN PANEL, TOUCHSCREEN PANEL, AND ELECTRONIC APPARATUS - A position detecting method for a touchscreen panel includes the steps of (a) determining the presence or absence of contact with the touchscreen panel on a conductive film divided into multiple conductive regions; (b) measuring a time after the detection of the absence of the contact and determining whether the measured time is less than a predetermined time if step (a) determines the absence of the contact; and (c) determining the continuance of the contact if the measured time is less than the predetermined time. | 10-28-2010 |
20120199458 | KEY SWITCH DEVICE AND KEYBOARD - A key switch device including a key top; a pair of link members connected to the key top and interlocked with each other to guide a vertical motion of the key top; a switch mechanism including a membrane sheet switch capable of opening and closing a contact section of an electrical circuit in accordance with the vertical motion of the key top; a flexible thin film sheet attached to the membrane sheet switch; and a housing attached to the thin film sheet, the housing adapted to connect the link members to the thin film sheet. | 08-09-2012 |