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System for magnetically attaching templeless eyewear to a person
A system of eyewear that eliminates the need for hinges on the frames of the eyewear.
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| Number | Title | Issue Date |
| 7386882 | Key pad decoder A system for determining which key of a key-pad device is activated by an algorithm that employs the same number of steps to make the determination regardless of which key is pressed. In one embodiment, the algorithm first determines if more than one key is pressed ... | 06/10/2008 |
| 7362243 | Apparatus and method using color-coded or pattern-coded keys in two-key input per character text entry Letters (more generally, language symbols) are entered electronically by selecting, in sequential fashion, two keys on a standard phone layout. The first key in the two-key sequence is that key on which the desired letter is displayed. The keys and the letters displ... | 04/22/2008 |
| 7356626 | Method and device for signal protection Method for decreasing the existence of externally detectable revealing signals, so-called {umlaut over (R)}ÖS, from keyboards (1), e.g. for computers, where the keyboard is fed with signals, so-called matrix signals, which are detected for detection of activ... | 04/08/2008 |
| 7289043 | Portable terminal device and control method of the same A portable telephone has a key operation unit in which a plurality of small keys is arranged close to each other. A user sometimes depresses a plurality of keys at the same time. The portable telephone stores data regarding frequency of key determination made by the... | 10/30/2007 |
| 7256714 | Keyboard with reduced keying ambiguity When an array of proximity sensors is used as a keyboard, it can provide an ambiguous output if a user's finger overlaps several keys or if liquid is spilled on the keyboard. This ambiguity is reduced by an iterative method that repeatedly measures a detected signal... | 08/14/2007 |
| 7228500 | Web page rendering priority mechanism A web page rendering mechanism for generating a web page based on a rendering priority of three or more tiers of rendering instructions. A control object associated with a web page definition representing a second or middle tier of rendering instructions is generate... | 06/05/2007 |
| 7224344 | Key code filter apparatus and method An apparatus for use in kiosks or other computerized devices for filtering out selected key codes transmitted between an input device, such as a keyboard, and a host computer. The apparatus includes an input port to receive key codes transmitted from a keyboard en r... | 05/29/2007 |
| 7167107 | Keypad array having reduced number of input/outputs and method for generating same The invention concerns a method (200) of generating an array (100, 300, 400) having a reduced number of input/outputs (114, 314, 414). The method includes the steps of, for each array row input/output, grouping (212) at least one set of r... | 01/23/2007 |
| 7158055 | Key input circuit, power supply control apparatus, and power supply control method A key switch 102 formed by arranging a plurality of key contacts SW11, SW12, SW21, SW22, . . . at cross points of a key matrix is provided with a power supply control key (SW11), and a key scan circuit 101 for detecti... | 01/02/2007 |
| 7056043 | Keyboard for a mobile device An apparatus has a keyboard panel with a QWERTY array of alphabetic key actuation indicia. The apparatus further has a QWERTY array of keys that are free of alphabetic key actuation indicia, and are located adjacent to corresponding alphabetic key actuation indicia ... | 06/06/2006 |
| 7049830 | Sensor device and method for interrogating a sensor device A sensor device includes i sensor elements of a first type and j additional sensor elements of a second type, the i sensor elements of the first type being connected in a circuitry (n×m) matrix array with n row conductors and m column conductors, where i, j, n and ... | 05/23/2006 |
| 6993607 | Keyboard with reduced keying ambiguity When an array of proximity sensors is used as a keyboard, it can provide an ambiguous output if a user's finger overlaps several keys or if liquid is spilled on the keyboard. This ambiguity is reduced by an iterative method that repeatedly measures a detected signal... | 01/31/2006 |
| 6985080 | Flame sense circuit and method with analog output An analog flame sense circuit is provided that utilizes the flame rectification method of sensing flame. The circuit uses an AC voltage source and discrete components to provide the sensing of the flame current. Either a single-pole or a two-pole filter may be used ... | 01/10/2006 |
| 6940402 | Method and apparatus for detection of a location of an event A method and apparatus for detecting the location of an event from amongst a plurality (A to P) of locations. Lines of communication (R1 to R4, C1 to C4), commonly pipes of a smoke detection system, cover the locations in such a fashion t... | 09/06/2005 |
| 6911971 | Computer and method providing for illumination of keyboard The computer of the present invention is provided with a main body on which keys to be operated by the user are disposed and a display unit that displays an image in accordance with each operation executed for the main body. Each key disposed on the main body is com... | 06/28/2005 |
| 6909382 | Polyphonic/chordic annotation method A programmatic organisation method, or concept, for augmented use of a standardized keyboard, capable of detecting depression/touching of single keys as well as simultaneously depressed/touched combinations of keys. According to the invention, simultaneous depressio... | 06/21/2005 |
| 6833825 | Apparatus for remotely controlling a digital processing system According to one aspect of the invention an apparatus is provided for remotely controlling a digital processing system, comprising a housing, a scrolling detector, a cursor positioning detector, and a transmitter. The housing has a wall having an outer scrolling sur... | 12/21/2004 |
| 6705783 | Ruggedized keyboard with cursor positioning device A rugged keyboard and cursor positioning device with an inherent restiveness from external fluids to interior keyboard fluid contamination. The key interrupters and cursor positioning device block optical beams for key and cursor positioning detection thus eliminati... | 03/16/2004 |
| 6417787 | Method and apparatus for increasing the number of keys of a key-matrix An apparatus and a method for increasing the number of keys in a ready made key-matrix , it is necessary to increase some extra diodes and change the keyboard scanning method . To increase some extra keys in the key-matrix, the diodes are in series with t... | 07/09/2002 |
| 6198475 | Touch operation information output device A touch operation information output apparatus is provided in a position at which a driver can operate it, and detects a touched position with respect to the input pad and outputs its coordinate data to the display device. Here, protruding brackets are pr... | 03/06/2001 |
| 6104318 | Method for entering a special mode of an electric device A method for entering a special mode of an electric device in which the special mode such as a test mode exists. According to the method, at least two coded keys are continuously inputted. From an initial key input, the coded keys are inputted in respecti... | 08/15/2000 |
| 5689247 | Automated system for identifying authorized system users A method and apparatus for identifying authorized users of a secure system. A user of the secure system is prompted to enter a personal identification code which is then received into the secure system. The personal identification code entered by the user... | 11/18/1997 |
| 5583498 | Input device In an input device, switches are disposed at points of intersection of an n×m matrix, a scanning signal is applied from rows or columns of the matrix, and an operated switch is detected by detecting the scanning signal output from rows or columns. In det... | 12/10/1996 |
| 5552781 | Fault tolerant method of decoding an electronic key system A fault tolerant method of decoding an electronic key system includes the steps of reading a key return image from one or more actuated keys and comparing the read key return image to the previous key return image. The method also includes the steps of de... | 09/03/1996 |
| 5539400 | Ultra-low power, scan on demand keypad encoder A keypad encoder is used with a keypad having an array of keys arranged in columns and rows. Depressing any key on the keypad closes a corresponding switch, coupling one of the columns to one of the rows. The keypad encoder includes a resettable logic cir... | 07/23/1996 |
| 5523755 | N-key rollover keyboard without diodes A n-key rollover keyboard having an application specific integrated circuit (ASIC) with a large number of pins, each pin directly connected to a key contact, with the other side of the key contact connected to ground. The direct wire arrangement allows us... | 06/04/1996 |
| 5486824 | Data processor with a hardware keyscan circuit, hardware keyscan circuit, and method therefor A data processor (50) includes a hardware keyscan circuit (54) to interface to an external keypad matrix (80). In one embodiment, the data processor (50) has a first register (62) for driving data to rows of the keypad matrix (80), and a second register (... | 01/23/1996 |
| 5448236 | N-key rollover circuit An N-key rollover circuit including a matrix of crossing drive and output lines, switch elements connected between the drive and output lines, series resistors connected to the switch elements and current detectors connected to the output lines. A grounde... | 09/05/1995 |
| 5424730 | Method and apparatus for differentiating simultaneous and sequential key strokes A method differentiates simultaneous and sequential key strokes by detecting simultaneous key strokes if two keys are pushed within a judging time TL. The method includes the steps of (a) measuring a first time T1 from a time when a ... | 06/13/1995 |
| 5371498 | Circuit for recognizing key inputs A circuit for recognizing double key inputs includes a key input part, a key signal generating part, a comparing circuit and a detecting part, the key signal generating part operates simultaneously with the key input of the key input part and generates a ... | 12/06/1994 |
| 5264845 | Key scan circuit and method in a microcomputer system A key scan circuit and the method thereof in a microcomputer is disclosed which requires no diode for preventing circuit short and performs key check or automatic operations with a simplified circuit structure. The key scan method includes a step of desig... | 11/23/1993 |
| 5177330 | Key board switch A key board switch capable of permitting all key switches to exhibit an N-key rollover function at a low cost while preventing an increase in thickness of the key board switch. For this purpose, a thin film diode is used for a contact of the key switch. T... | 01/05/1993 |
| 5137383 | Chinese and Roman alphabet keyboard arrangement An apparatus and method for encoding Chinese characters into a computer. Each character is divided into a leading part and a body part. The leading part is represented by one code element and the body part is represented by four code elements. The code el... | 08/11/1992 |
| 5059974 | Method for determining phantom switch condition A method of determining a phantom key condition in an encoder array (10) including (1) enabling each row (R1-R14) of the encoder to a high position; (2) pulling the first row (R1) to be scanned to a low position; (3) scanning the first row (R1) of which i... | 10/22/1991 |
| 5053585 | Multipurpose keyboard using digitizer pad featuring spatial minimization of a pressure contact area and method of making same A multipurpose keyboard incorporating an electronic pressure sensing device, a digitizer pad featuring spatial minimization of a pressure contact area capable of locating the leading and trailing edges of the pressure contact area is described. A processo... | 10/01/1991 |
| 4994634 | Sheet switch A sheet switch comprises a pair of flexible insulative films, one of which is provided with a plurality of electrodes, resistances connected to the electrodes, respectively, and line patterns for externally connecting the electrodes via the resistances. T... | 02/19/1991 |
| 4988997 | Method for character code generation In a keyboard operation two sequential keystrokes are used for generation of a character code. A rule is set up according to which some preset combinations of two sequential keystrokes are valid and others are not. The rule is implemented by storing the v... | 01/29/1991 |
| 4929944 | Key input apparatus An input key apparatus comprises a keyboard including a plurality of keys and generating key signals when keys are pressed and a key input decoder receiving the key signals from the keyboard for generating decoded key signals. The key input decoder also g... | 05/29/1990 |
| 4922248 | Key output method for keyboards A keyboard with N-key rollover has a matrix of key columns and lines for successively issuing key codes for depressed keys. When first and second keys on the same column are detected as being depressed and then a third key on the same line as one of the f... | 05/01/1990 |
| 4918444 | Key-depression data input device A key-depression data input device for detecting a depressed key in a plurality of keys arranged in a key matrix, the device including phantom key detection unit for detecting an occurrence of phantom key state, and key release checking circuit for checking a ... | 04/17/1990 |
