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Class Information
Number: 341/30
Name: Coded data generation or conversion > Bodily actuated code generator > Including keyboard or keypad > For numerical pulse type transmission
Description: Subject matter in which the meaning of the pulse code is determined solely by the number of pulses transmitted.

Patents under this class:

Patent Number Title Of Patent Date Issued
8547337 Device for inputting english characters for a mobile communication terminal, and method for same Oct. 1, 2013
8442578 Mobile personal services platform for providing feedback May. 14, 2013
8314720 Terminal and method for executing function using human body communication Nov. 20, 2012
8129939 Slate wireless keyboard charging and connection Mar. 6, 2012
7715882 Mobile terminal apparatus, character input method and character input program May. 11, 2010
7068191 Method for determining the numerical value for the duration of a periodically repeated pulse signal, and device for carrying out said method Jun. 27, 2006
6946980 Input device Sep. 20, 2005
5325398 Pulse count mode communication system Jun. 28, 1994
4709412 Remote control unit integrator console Nov. 24, 1987
4573046 Watch apparatus and method for a universal electronic locking system Feb. 25, 1986
4518951 Integrated circuit for a keyboard of an electronic apparatus May. 21, 1985
4378552 Acoustic encoding apparatus Mar. 29, 1983
4311991 Acoustic transmission member Jan. 19, 1982
4170768 Key code generator Oct. 9, 1979
4103252 Capacitive touch-activated transducer system including a plurality of oscillators Jul. 25, 1978
4064399 Electronic calculator having keyboard for entering data Dec. 20, 1977
3979744 Circuit arrangement for the digital control of operating functions via sensor electrodes, especially in radio and television receivers Sep. 7, 1976

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