LCD addressing system

A system for addressing an rms-responding display of a type that displays arbitrary information patterns, the display including overlapping first and second electrodes positioned on opposite sides of an rms-responding material to define an array of pixels that display arbitrary information patterns corresponding to pixel input data, the system comprising:

• a first signal generator for generating and applying a set of first signals to corresponding first electrodes during a frame period that is divided into time intervals, the first signals having amplitudes, and each one of the first signals in the set causing multiple selections of its corresponding first electrode, the multiple selections taking place during different ones of the time intervals and being distributed over the frame period;
• each of the first signals provides a number of the time intervals over the frame period that is less than an exponential function of the number of first electrodes;
• storage sites for storing the pixel input data;
• and
• a second signal generator for generating second signals and output connection means for applying all the second signals to the second electrodes substantially simultaneously to the application of all the first signals to the first electrodes, the second signals having amplitudes and the second signal generator including a correlator for correlating the first signals and the stored pixel input data to determine the second signals so that contributions of the multiple selections by each one of the first signals in the set to determinations of the amplitudes of multiple second signals are distributed over the frame period so as to reduce the frame response of the display, the correlator including data transfer signal means for writing into and reading from the storage sites sets of pixel input data, each of the sets of pixel input data corresponding to pixels defined by a different one of the second electrodes;
• multiplying means for multiplying the first signals and the sets of pixel input data to derive product signals;
• and summing means for summing the product signals derived for each set of pixel input data to produce the second signals for delivery to the output connection means.

A system for addressing rms-responding information storage elements that store arbitrary information patterns, the system including overlapping first and second electrodes positioned on opposite sides of an rms-responding material to define an array of information storage elements that store arbitrary information patterns corresponding to information input data, the system comprising:

• a first signal generator for generating and applying a set of first signals to corresponding first electrodes during a frame period that is divided into time intervals, the first signals having amplitudes, and the amplitude of each one of the first signals in the set including two nonzero signal levels causing multiple selections of its corresponding first electrode, the multiple selections taking place during different ones of the time intervals and being distributed over the frame period;
• each of the first signals provides a number of the time intervals over the frame period that is less than an exponential function of the number of first electrodes;
• storage sites for storing the information input data;
• a second signal generator for generating second signals, the second signal generator including a correlator for correlating the first signals and the stored information input data to determine the second signals, and each of the second signals having an amplitude at a particular time interval during the frame period, the amplitude being determined by both the amplitudes of more than one of the first signals causing selections at the particular time interval and the corresponding information input data;
• the amplitudes of multiple second signals being determined by contributions of the multiple selections by each one of the first signals in the set that are distributed over the frame period so as to reduce the frame response of the system;
• and
• output connection means for applying all the second signals to the second electrodes substantially simultaneously to the application of all the first signals to the first electrodes.

A system for addressing rms-responding information storage elements that store arbitrary information patterns, the system including overlapping first and second electrodes positioned on opposite sides of an rms-responding material to define an array of information storage elements that store arbitrary information patterns corresponding to information input data, the system comprising:

• a first signal generator for generating and applying a set of first signals to corresponding first electrodes during a frame period that is divided into time intervals, the first signals having amplitudes, and each one of the first signals in the set causing multiple selections of its corresponding first electrode, the multiple selections taking place during different ones of the time intervals and being distributed over the frame period;
• each of the first signals provides a number of the time intervals over the frame period that is less than an expotential function of the number of first electrodes.
• storage sites for storing the information input data;
• and
• a second signal generator for generating second signals and output connection means for applying all the second signals to the second electrodes substantially simultaneously to the application of all the first signals to the first electrodes, the second signals having amplitudes and the second signal generator including a correlator for correlating the first signals and the stored information input data to determine the second signals so that contributions of the multiple selections by each one of the first signals in the set to determinations of the amplitudes of multiple second signals are distributed over the frame period so as to reduce the frame response of the system, the correlator including data transfer signal means for writing into and reading from the storage sites sets of information input data, each of the sets of information input data corresponding to information storage elements defined by a different one of the second electrodes;
• multiplying means for multiplying the first signals and the sets of information input data to derive product signals;
• and summing means for summing the product signals derived for each set of information input data to produce the second signals for delivery to the output connection means.

A system for addressing rms-responding information storage elements that store arbitrary information patterns, the system including overlapping first and second electrodes positioned on opposite sides of an rms-responding material to define an array of information storage elements that store arbitrary information patterns corresponding to information input data, the system comprising:

• a first signal generator for generating and applying a set of first signals to corresponding first electrodes during a frame period that is divided into time intervals, the first signals having amplitudes, and each one of the first signals in the set causing multiple selections of its corresponding first electrode, the multiple selections taking place during different ones of the time intervals and being distributed over the frame period;
• each of the first signals provides a number of the time intervals over the frame period that is less than an exponential function of the number of first electrodes;
• storage sites for storing the information input data, the storage sites residing in a memory device that stores sets of information input data, and each of the sets of information input data corresponding to information storage elements defined by a different one of the second electrodes;
• and
• a second signal generator for generating second signals and output connection means for applying all the second signals to the second electrodes substantially simultaneously to the application of all the first signals to the first electrodes, the second signals having amplitudes and the second signal generator including a correlator for correlating the first signals and the stored information input data to determine the second signals so that contributions of the multiple selections by each one of the first signals in the set to determinations of the amplitudes of multiple second signals are distributed over the frame period so as to reduce the frame response of the system, and the correlator including multiplying means for multiplying the first signals and the sets of information input data to derive product signals;
• summing means for summing the product signals derived for each set of information input data to produce the second signals for delivery to the output connection means;
• a multiplier input shift register that cooperates with the memory device to present the sets of information input data to the multiplying means and sequentially produce the second signals;
• and second signal storage sites that store the second signals and thereby permit a simultaneous application of the second signals by the output connection means to the second electrodes.

In a system for displaying data on an rms-responding display in which overlapping row and column electrodes positioned on opposite sides of an rms-responding material provide an array of pixels, each of the pixels having a pixel information state, and which receives a video signal having control components and data information components, the data information components representing the data to be displayed by the pixels, an apparatus for addressing the display, comprising:

• a row signal generator for generating and applying a set of row signals to corresponding row electrodes during a common frame period that is divided into time intervals, the row signals having amplitudes, and each one of the row signals in the set causing multiple selections of the row electrode to which the one of the row signals corresponds, the multiple selections taking place during different ones of the time intervals and being distributed over the common frame period;
• each of the row signals provides a number of the time intervals over the common frame period that is less than an exponential function of the number of row electrodes;
• a column signal generator for generating and applying a column signal to each of the column electrodes;
• storage means for receiving and storing the data information components;
• a controller in communication with the row signal generator, column signal generator, and storage means, the controller receiving the video signal and providing the data information components thereof to the storage means and the control components thereof to the row signal generator, column signal generator, and storage means;
• and
• the column signal generator communicating with the storage means to receive the data information components according to the control components, communicating with the row signal generator to receive the row signals according to the control components, and during the common frame period generating for each column a column signal having an amplitude that is derived from both the row signals causing selections and the pixel information states of the corresponding pixels;
• the amplitudes of multiple column signals being derived by contributions of the multiple selections by each one of the row signals in the set that are distributed over the frame period so as to reduce the frame response of the display.

In a system for displaying data on an rms-responding display in which overlapping row and column electrodes positioned on opposite sides of an rms-responding material provide an array of pixels, each of the pixels having a pixel logic state, and which receives a video signal having control components and data information components, the data information components representing the data to be displayed by the pixels, an apparatus for addressing the display, comprising:

• a row signal generator for generating a set of row signals representing orthonormal function vectors and applying the row signals to corresponding row electrodes during a common frame period that is divided into time intervals, the row signals having logic levels and each one of the row signals in the set causing multiple selections of the electrode to which the one of the row signals corresponds, the multiple selections taking place during different ones of the time intervals and being distributed over the common frame period;
• each of the row signals provides a number of the time intervals over the common frame period that is less than an exponential function of the number of row electrodes;
• a column signal generator for generating and applying a column signal to each of the column electrodes;
• storage means for receiving and storing the data information components;
• a controller in communication with the row signal generator, column signal generator, and storage means, the controller receiving the video signal and providing the data information components thereof to the storage means and the control components thereof to the row signal generator, column signal generator, and storage means;
• the column signal generator communicating with the storage means to receive the data information components according to the control components, communicating with the row signal generator to receive according to the control components the orthonormal function vectors in sequence to generate multiple column signals, and during the common frame period generating for each column a column signal having an amplitude that is proportional to the sum of exclusive- or products of the logic level of each row signal causing a selection at a particular time and the logic state of the corresponding pixel;
• the amplitudes of multiple column signals being generated by contributions of the multiple selections by each one of the row signals in the set that are distributed over the frame period so as to reduce the frame response of the display;
• and
• the row signal generator transmitting the orthonormal function vectors to the row electrodes for application to the row electrodes substantially simultaneously with the application of the column signals to the column electrodes.