Keyboard matrix circuit

Known as: Keyboard matrix, Keyboard matrix (music), Matrix

Most electronic keyboards used in synthesizers, electronic organs, and digital pianos use a keyboard matrix circuit in which eight rows and eight…

Papers overview

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2017

For capacitance coupled keyboard data entry means, a key switch, synchronous circuitry and phase detector in combination to yield…

2013

The present invention relates to a mixing console using a stereoscopic matrix circuit and, specifically, to a mixing console…

2013

The signaling generator is designed based on the AVR microcontroller ATmega16 and waveform generator chip of the core MAX038…

2012

The present invention relates to a system for controlling sounds and images through a three-dimensional matrix circuit, which…

2012

The invention relates to an intelligent household electric curtain system which can realize manual control, light intensity…

2010

The invention provides a keyboard matrix analysis structure, comprising a master control chip for receiving the signal of the…

2010

The utility model discloses a master command board for control of a high-rise elevator, which comprises an interface circuit, a…

2008

In embedded PC applications,a keyboard as an interactive devices often adopt simple structure,less the matrix keyboard keys…

2003

A method and apparatus for character input, especially for Chinese character input. The Chinese character input method to improve…

1990

An item of electronic apparatus, such as a domestic video recorder, has a keyboard matrix and display unit (14) coupled to a…