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7411521 |
Control system
A control system comprising a control input device having a movable magnet, a pole-piece frame arrangement positioned about the magnet and positioned therein at least two magnetic flux sensors for...
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7242323 |
Electronic device having touch sensor
A variable capacitance unit is formed between one portion of a human body and an opposed electrode facing it through a casing of a robot toy (electronic device) when the one portion of the human...
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7038658 |
Input device
An input device includes a magnet to be worn by a user on one fingertip of either a right hand or a left hand, a first magnetic sensor to be worn by the user on a wrist of either the right hand or...
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6987442 |
Motor-kinetic identification apparatus and method
A motor-kinetic identification apparatus includes a pliant material, a source of a magnetic field embedded in the pliant material and a magneto metric element embedded in the material. The pliant...
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6900795 |
Unitary molded lens filter for touch screen interface
A durable unitary lens filter is provided for use with a touch sensitive display device for associated control process equipment. A front cover secures the unitary lens filter to the machine. The...
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6828902 |
Wireless data input to RFID reader
A wireless data input system has one or more switches on a keypad or the like and a number of individually addressable RFID tags. Each switch operates to enable a corresponding subset of the...
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6788294 |
Device and method for implementing a key
A device and method for implementing a key, in which a field applied to a layer comprising a material whose volume is responsive to the magnitude of field is altered at a specified position to...
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6587056 |
Solid state flight deck modules and components thereof
A conventional light plate for a systems control panel is mounted on a machined front plate which, in turn, is maintained a predetermined uniform distance from a front printed wiring assembly...
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6525257 |
Arrangement pressure point generation in keyboards for piano-like keyboard instruments
The invention relates to an arrangement, with which pressure point characteristics can be simulated, such that a key stroke typical of a cembalo, as well as the key characteristics of an organ can...
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6222527 |
Compact key structure
A key structure comprises base plate, elastic member, frame and cap wherein the conductive membrane thereof is single-film structure, the contact of the conductive membrane corresponding to each...
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6188332 |
Apparatus for magnetically transfering control information from a rotary knob
An apparatus for magnetically transferring control information from a rotary knob with a knob mounted in a manner which facilitates rotation, a magnetic material about the circumference of the knob...
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6072390 |
Position sensing system for manually operated shift lever of a vehicle transmission
A sensing system for detecting the position of a manually operated shift lever in an automatic transmission. The sensing system includes a plate member movable in response to movement of a shift...
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5959557 |
Autoclavable remote hand control
An autoclavable remote control unit for controlling the operation of a surgical device. The remote control unit has a plurality of Hall effect sensors arranged on a printed circuit board...
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5861822 |
Wire/wireless keyboard, and control method therefor
A wire/wireless keyboard and a control method therefor. The keyboard can be used as a wire keyboard if a main body connecting section of the keyboard is connected to a computer body, and the...
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5831553 |
Input apparatus for a data processing system
Input apparatus for a data processing system. An input apparatus, for example a mouse or a track ball, comprises a member which is rotatable by manipulation by a user. The rotation causes a change...
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5680126 |
Modular portable computer
A modular computer has a framework with module bays for receiving CPU modules, power modules, and peripheral function modules such as floppy and hard disk drives. The framework has a built-in...
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5615393 |
Computer system having a cordless keyboard and an induction coil in a plug-in electronic card module
A computer system has a cordless keyboard having an on-board power supply and a magnetic field generator with the keyboard adapted for coding keystrokes made on the keyboard in a dynamic magnetic...
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5590382 |
Personal digital assistant module having a multi-portion keyboard with inductive coupling
A personal digital assistant module with a local CPU, memory, and I/O interface has a host interface comprising a bus connected to the local CPU and a connector at a surface of the personal digital...
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5525979 |
Low configuration keyboard
A low-profile keyboard (5) each switch (3) having a dished keybutton (3) held upward by a rubber dome (49) and having ribs (55) which depress extension (43 and 31) which carry electrical traces (45...
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5365230 |
Inductively coupled keyboard
A self-contained keyboard for computer transmits keystroke data to a host computer via scan codes encoded in a variable magnetic field. In a preferred embodiment the keyboard generates magnetic...
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5325083 |
Manual valve position sensing system
A sensing system is provided for sensing the position of a manual gear select lever in an automatic transmission. The sensing system includes a plate member movable in response to movement of a...
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5234744 |
Illuminated button key
An illuminated key button is disclosed which is formed of a light permeable hard resin and has on the bottom of the key a print layer which is illuminated from below and is integral with the...
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5220324 |
Wireless coordinate reader and switch state detection system for coordinate indicator
A wireless coordinate reader composed of: a sense line plate having a plurality of excitation lines and a plurality of sense lines arranged thereon; a coordinate indicator including a resonant...
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5107748 |
Touch-response tone controller unit for an electronic musical instrument
In construction of an electronic musical instrument having plural musical tone controllers such as keys, push buttons and an expression pedal unit, a number of pulses are generated depending on the...
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5107262 |
Modular retroactive keyboard and a flat modular actuator
A modular retroactive keyboard fitted with keys permitting to send back to the user a perception characteristic of the key. Each key is an element of an independent flat and parallelepipedic module...
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5101429 |
Electronic telephone set
Electronic telephone set, comprising a transmission circuit arranged for being coupled to a telecommunication network and for receiving and transmitting speech signals, a keyboard means comprising...
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5066951 |
Circuit arrangement for adjusting the triggering point of an inductive keyboard
The present invention is directed to a circuit arrangement for adjustment of the triggering point of the keys in an inductive keyboard. The keyboard consists essentially of a printed circuit board...
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5027115 |
Pen-type computer input device
A pen-type computer input device is used to move a cursor on the display of a computer system or enter data such as of figures, letters, numerals, or the like into a computer system. The pen-type...
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4980685 |
Scanning optical keyboard
An optical keyboard comprising: a flat optical block whose top face (9) is intended to co-operate with the keys (12); light inlets (2) and light detection outlets (3) having intersections (4) which...
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4905007 |
Character input/output device
A character input device for a computer comprised of a plurality of switches or threshold zones adapted to be activated by a disk movable with the tip of a pen in preset serial patterns.
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4882581 |
Keyboard for a portable data terminal
The portable terminal keyboard includes silicone rubber mixed with phosphorescent material used on the external exposed surface of the keyboard and conventional silicone rubber used for the moving...
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4868568 |
Mirror optical keyboards
A keyboard connectable to scanning means and constituted by an optical block comprising: a top face, a bottom face, and at least one edge interconnecting said faces; a plurality of light injection...
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4853666 |
Push button for an inductive value input keyboard
A push button for an inductive value input keyboard having a push-button socket, a push-button head guided in the push-button socket, a compression spring which acts between the push-button socket...
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4838139 |
Musical keyboard
A musical keyboard having keys which carry metal spoilers that alter the resonance characteristics of tank circuits associated with the keys as the keys move toward and away from the inductance...
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4765218 |
Electronic keyboard musical instrument with processing of depression dynamics
A keyboard circuit for an electronic musical instrument which, with the depression of a key, couples an AC signal to an allocated multiplexer input. The output of the multiplexer is connected via a...
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4689608 |
Magnetically snap actuated contact keyboard apparatus
In the preferred embodiment of the invention, the snap actuator is an angled magnetically permeable plate. One leg of the angled plate is attracted to a strip magnet placed on a circuitboard. This...
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4671688 |
Shielded keyboard
A shielded keyboard comprising a sheet of flexible fine wire mesh material between an array of keyboard contacts and an apposed array of switching actuators.
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4651611 |
Touch dynamics signal generator for electronic musical instruments
The touch dynamics of the operation of keys of an electronic musical instrument are determined through the use of pressure sensitive transducers associated with the keys, the transducers each...
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4564832 |
Membrane keyboard having key closure retention
A membrane panel keyboard is presented having magnetic material in one contact element and magnetic field generating means to achieve self-retention or key closure retention when a key is actuated.
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4529967 |
Non contacting inductive keyboard
An inductive keyboard, including, printed circuit patterns forming a multiplicity of key excitation patterns and key sensing patterns. The key excitation patterns are divided into groups of...
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4517553 |
N-Key rollover keyboard
An N-Key Rollover Type Keyboard sequentially scans the keys so as to transmit information correctly as to each key which is depressed without transmitting a garbled code which could result from...
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4507651 |
Contact-free push-button key for generating an electrical signal upon depression thereof
A contact-free push-button key for converting mechanical energy into an electrical signal has a toroidal tape core comprised of material having a low magnetic retentivity such as an amorphous metal...
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4494109 |
Noncontacting keyboard employing a transformer element
Noncontacting transformer switches are interconnected into keyboard networks which include insertable magnetic core, shorted turn or combination actuators. In a preferred embodiment, windings are...
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4408101 |
Automatic telephone dialing apparatus with magnetic switch assembly
A telephone number index and switch device has a series of magnetic switches which are located in fixed positions with corresponding surfaces disposed along a preestablished path of movement of a...
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4398180 |
Contactless keyboard
In a contactless keyboard including for each key a transformer with a core displaceable by the key operation and including a compensation transformer common to all key the compensation transformer...
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4366463 |
Keyboard
A data entry device durable enough to withstand the rigors of industrial type usage in which the electronic components are isolated from the external environment is described. The device comprises...
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4344068 |
Coding schemes for acoustic delay line data collection system
A magnetoacoustic system adapted to use as a keyboard can employ a serpentine acoustic delay line passing under a number of transducers which are activated simultaneously with a current pulse...
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4300127 |
Solid state noncontacting keyboard employing a differential transformer element
A solid state noncontacting mechanically actuated keyboard type switch and interconnecting networks for switch arrays are described herein. The basic switch is a balanced or differential...
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4298861 |
Integrated ultrasonic magnetic encoder
An ultrasonic waveguide provides the encoding of magnetic keys on a keyboard. The magnetic keys couple their respective magnetic fields to an ultrasonic waveguide producing signals in a given time...
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4283714 |
Magnetic keyboard system
A contactless travel keyboard has first and second coils with elongated loop portions arranged at each key station so that, when an electrically conductive key element at the station is in a key-up...
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