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Class Information
Number: 341/22
Name: Coded data generation or conversion > Bodily actuated code generator > Including keyboard or keypad
Description: Subject matter including an array of manually actuated control elements, each of which is indicative of a code value (i.e., digits).

Sub-classes under this class:

Class Number Class Name Patents
341/33 Capacitive actuation 328
341/30 For numerical pulse type transmission 17
341/28 For pictorial or ideographic characters (e.g., design, chinese or japanese characters) 123
341/32 Magnetic or inductive actuation 78
341/31 Photoelectric actuation 213
341/34 Pressure sensitive actuation 297
341/23 Variable key legends 407
341/27 With audible or tactile indicator 153
341/24 With error prevention means (e.g., debounce, antichatter) 161
341/26 With particular key scanning feature 488
341/29 With variable pulse spacing or grouping 46

Patents under this class:

Patent Number Title Of Patent Date Issued
8711025 Method for configuring analog-to-digital converter keys and non-transitory machine readable medium storing program code executed for performing such method Apr. 29, 2014
8711011 Systems and methods for implementing pressure sensitive keyboards Apr. 29, 2014
8704683 Input unit of portable terminal, portable terminal using the same, and operation method thereof Apr. 22, 2014
8704648 Reconfigurable keyfield on a communication device Apr. 22, 2014
8692773 Mobile communications terminal having key input error prevention function and method thereof Apr. 8, 2014
8692693 Multiple predictions in a reduced keyboard disambiguating system Apr. 8, 2014
8669887 Turntable-mounted keypad Mar. 11, 2014
8669886 Data entry module Mar. 11, 2014
8660531 Access to locked functions Feb. 25, 2014
8650345 Web configurable human input devices Feb. 11, 2014
8648736 Key input device Feb. 11, 2014
8648696 Image processing device, user authentication method and program Feb. 11, 2014
8643480 Input device with haptic feedback Feb. 4, 2014
8638299 Handheld electronic device and associated method enabling the output of non-alphabetic characters in a disambiguation environment Jan. 28, 2014
8629790 Letter input structure using morse code and input method of the same Jan. 14, 2014
8624759 Apparatus and method for an actuator in an electronic device Jan. 7, 2014
8621380 Apparatus and method for conditionally enabling or disabling soft buttons Dec. 31, 2013
8621379 Device, method, and graphical user interface for creating and using duplicate virtual keys Dec. 31, 2013
8618959 Switching circuitry and switching system Dec. 31, 2013
8612210 Handheld electronic device and method for employing contextual data for disambiguation of text input Dec. 17, 2013
8610602 Mobile wireless communications device providing enhanced predictive word entry and related methods Dec. 17, 2013
8602668 Computer keyboard system with alternative exercise capabilities for the prevention of repetitive stress injuries Dec. 10, 2013
8598979 Keyboard Dec. 3, 2013
8583087 Disambiguating ambiguous characters Nov. 12, 2013
8581750 Data input system with multi-directional pointing device Nov. 12, 2013
8577667 Handheld electronic device and method for disambiguation of text input providing artificial variants comprised of characters in a core alphabet Nov. 5, 2013
8577428 Information processing apparatus Nov. 5, 2013
8570726 Foldable keyboard Oct. 29, 2013
8565419 Keyboard arrangement and mobile communication device incorporating same Oct. 22, 2013
8564539 Handheld electronic device with text disambiguation employing advanced text case feature Oct. 22, 2013
8564460 Keyboard device and method of identifying a key operation Oct. 22, 2013
8563881 Input device and electronic apparatus having the same Oct. 22, 2013
8558723 Updating a keyboard configuration Oct. 15, 2013
8552985 Keyboard illumination Oct. 8, 2013
8547337 Device for inputting english characters for a mobile communication terminal, and method for same Oct. 1, 2013
8542190 Handheld electronic device with reduced keyboard and associated method of providing improved disambiguation with reduced degradation of device performance Sep. 24, 2013
8542132 Handheld electronic device and associated method employing a multiple-axis input device and using non-edited characters as context in text disambiguation Sep. 24, 2013
8538403 Method and apparatus for disambiguating an emergency call attempt during password entry for unlocking a mobile device Sep. 17, 2013
8537530 Electronic device Sep. 17, 2013
8537120 Four-corner cut square Chinese character input method based on excellence code Sep. 17, 2013
8537107 Discriminating among activation of multiple buttons Sep. 17, 2013
8531403 Keyboard for use in computer system Sep. 10, 2013
8519949 Video production switcher panel and related methods Aug. 27, 2013
8515740 Handheld electronic device and method for disambiguation of compound text input and that employs N-gram data to limit generation of low-probability compound language solutions Aug. 20, 2013
8514106 Turntable-mounted keypad Aug. 20, 2013
8511920 Flexible touch-type keyboard Aug. 20, 2013
8508505 Virtual optical input device for providing various types of interfaces and method of controlling the same Aug. 13, 2013
8508456 LCD controller and LCD control method Aug. 13, 2013
8507816 Keypad for electronic device and method for manufacturing the keypad Aug. 13, 2013
8504349 Text prediction with partial selection in a variety of domains Aug. 6, 2013

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