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Class Information
Number: 341/32
Name: Coded data generation or conversion > Bodily actuated code generator > Including keyboard or keypad > Magnetic or inductive actuation
Description: Subject matter in which the operation of a control element is sensed by a magnetic field responsive sensor.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8643480 Input device with haptic feedback Feb. 4, 2014
8606177 Apparatus and method for controlling human body contact of ground electrode, and human body communication system using the same Dec. 10, 2013
8531182 Control system and method for providing position measurement with redundancy for safety checking Sep. 10, 2013
8442578 Mobile personal services platform for providing feedback May. 14, 2013
8421610 Touch screen and method of operating the same Apr. 16, 2013
8319671 Keypad structure Nov. 27, 2012
8305242 Input device and electronic device provided with the same Nov. 6, 2012
8294601 Detection of intended key activation on a mobile device Oct. 23, 2012
8207872 Mechanical keypad with touch pad function Jun. 26, 2012
8089756 Fastener for external keypad for portable electronic device Jan. 3, 2012
7944215 Detector May. 17, 2011
7924145 Haptic module using magnetic force, electronic apparatuses having the module Apr. 12, 2011
7791506 Configurable networked user interface and switch pack Sep. 7, 2010
7786631 Linear motor Aug. 31, 2010
7667623 Key input apparatus using magnetic force, operating method thereof, and computer-readable recording medium storing computer programs for performing the method Feb. 23, 2010
7663880 Holder for external keypad for portable electronic device Feb. 16, 2010
7411521 Control system Aug. 12, 2008
7242323 Electronic device having touch sensor Jul. 10, 2007
7038658 Input device May. 2, 2006
6987442 Motor-kinetic identification apparatus and method Jan. 17, 2006
6900795 Unitary molded lens filter for touch screen interface May. 31, 2005
6828902 Wireless data input to RFID reader Dec. 7, 2004
6788294 Device and method for implementing a key Sep. 7, 2004
6587056 Solid state flight deck modules and components thereof Jul. 1, 2003
6525257 Arrangement pressure point generation in keyboards for piano-like keyboard instruments Feb. 25, 2003
6222527 Compact key structure Apr. 24, 2001
6188332 Apparatus for magnetically transfering control information from a rotary knob Feb. 13, 2001
6072390 Position sensing system for manually operated shift lever of a vehicle transmission Jun. 6, 2000
5959557 Autoclavable remote hand control Sep. 28, 1999
5861822 Wire/wireless keyboard, and control method therefor Jan. 19, 1999
5831553 Input apparatus for a data processing system Nov. 3, 1998
5680126 Modular portable computer Oct. 21, 1997
5615393 Computer system having a cordless keyboard and an induction coil in a plug-in electronic card module Mar. 25, 1997
5590382 Personal digital assistant module having a multi-portion keyboard with inductive coupling Dec. 31, 1996
5525979 Low configuration keyboard Jun. 11, 1996
5365230 Inductively coupled keyboard Nov. 15, 1994
5325083 Manual valve position sensing system Jun. 28, 1994
5234744 Illuminated button key Aug. 10, 1993
5220324 Wireless coordinate reader and switch state detection system for coordinate indicator Jun. 15, 1993
5107748 Touch-response tone controller unit for an electronic musical instrument Apr. 28, 1992
5107262 Modular retroactive keyboard and a flat modular actuator Apr. 21, 1992
5101429 Electronic telephone set Mar. 31, 1992
5066951 Circuit arrangement for adjusting the triggering point of an inductive keyboard Nov. 19, 1991
5027115 Pen-type computer input device Jun. 25, 1991
4980685 Scanning optical keyboard Dec. 25, 1990
4905007 Character input/output device Feb. 27, 1990
4882581 Keyboard for a portable data terminal Nov. 21, 1989
4868568 Mirror optical keyboards Sep. 19, 1989
4853666 Push button for an inductive value input keyboard Aug. 1, 1989
4838139 Musical keyboard Jun. 13, 1989

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