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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 8089756 | Fastener for external keypad for portable electronic device A fastener (35) includes a base (33), an orientation block (36), a located block (37) and two magnets (38, 39). The base includes a mounting portion (40) and a securing portion (50). The orientation block is slidably ... | 01/03/2012 |
| 7791506 | Configurable networked user interface and switch pack A printed circuit board (PCB) has a plurality of switch interfaces on its top surface. Each interface is an array of sensors, such as proximity sensors, hall-effect sensors, or a series of inductor coils. The sensors in each array are closely mounted and are all the... | 09/07/2010 |
| 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 sensing movement of the magnet in a given direction. The control syst... | 08/12/2008 |
| 7255466 | Illuminated keyless entry control device A vehicular control device includes a trim member having a plurality of graphics for identifying a plurality of manual activation regions and a printed circuit board having a plurality of proximity sensors. Each of the plurality of proximity sensors generates a resp... | 08/14/2007 |
| 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 body such as a hand or a finger approaches the surface of the casing of... | 07/10/2007 |
| 7164087 | Keypads with multi-function keys A keypad has keys (12) protruding through a housing (18) with at least one at-a-distance sensor (20) located approximately equidistant between each adjacent set of keys (12). Each key (12) has a tactile feedback element (32)... | 01/16/2007 |
| 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 the left hand to detect a magnetic field generated by the magnet at a... | 05/02/2006 |
| 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 is adapted to be gripped by a user. The pliant material has a normally... | 01/17/2006 |
| 6975144 | System, method and apparatus for improving sense amplifier performance characteristics using process feedback A system and method of adjusting a sense amplifier to compensate for the process-type of the sense amplifier includes determining a process-type of the sense amplifier. An amplification control parameter is provided to the sense amplifier. The amplification control ... | 12/13/2005 |
| 6932382 | Hall effect sensor assembly A Hall effect sensor assembly including a Hall effect sensor; an overmolded housing which is overmolded onto the Hall effect sensor; and a magnet movably connected to the Hall effect sensor by a movable connection with the overmolded housing. The movable connection ... | 08/23/2005 |
| 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 lens assembly includes a mounting bezel that supports an intermediate ... | 05/31/2005 |
| 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 individually addressable RFID transponder tags, such that a unique permutat... | 12/07/2004 |
| 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 create a key in said position; said field being one of the following: ele... | 09/07/2004 |
| 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 (PWA). A plurality of systems control devices including one or ... | 07/01/2003 |
| 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 be as near as possible approached and permits the replicat... | 02/25/2003 |
| 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 key is of meshed-hook shape ({character pullout}), a venting... | 04/24/2001 |
| 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 with alternating field lines perpendicular to the directi... | 02/13/2001 |
| 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 lever. The plate member includes a generally flat contact su... | 06/06/2000 |
| 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 hermetically encased within a polymeric housing molded from an autoc... | 09/28/1999 |
| 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 keyboard can be used as a wireless keyboard if the main body con... | 01/19/1999 |
| 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 of a magnetic field, which change is detected by a detecto... | 11/03/1998 |
| 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 compressed bus and a variety of function modules which can be p... | 10/21/1997 |
| 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 field broadcast by the magnetic field generator. There is a... | 03/25/1997 |
| 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 assistant for interfacing to a bus connector of a host ge... | 12/31/1996 |
| 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 and 33) to activate the switch. The assembly is mounted o... | 06/11/1996 |
| 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 bursts by electrical current bursts in a loop of a electrical... | 11/15/1994 |
| 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 shift lever and has a contact surface having a predetermined ... | 06/28/1994 |
| 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 operating portion of the key button.... | 08/10/1993 |
| 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 circuit having a resonance frequency in proximity to the frequ... | 06/15/1993 |
| 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 extent of movement of each controller on output lines who... | 04/28/1992 |
| 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 that includes a motor, a position detector and an electri... | 04/21/1992 |
| 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 a first matrix with respective numbers of intersecting fir... | 03/31/1992 |
| 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 designed in a matrix-like manner, comprising coils superim... | 11/19/1991 |
| 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 computer input device includes a shank, a ball rotatably su... | 06/25/1991 |
| 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 couple one light inlet with one light detection outlet; k... | 12/25/1990 |
| 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.... | 02/27/1990 |
| 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 parts, so that it is luminous for a certain duration by be... | 11/21/1989 |
| 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 inlets (2) and a plurality of detection outlets (3) dispos... | 09/19/1989 |
| 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 and the push-button head, a stop which limits the stroke o... | 08/01/1989 |
| 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 coils of the tank circuits. The tank circuits are connected s... | 06/13/1989 |
