1
Aldo A Martinez: Method and apparatus for equalization of data transmission system. Racal Data Communications, Jerry A Miller, January 10, 1989: US04797898 (72 worldwide citation)

A data communication system, comprising a first and a second transceiver coupled together through a transmission channel, the transmission channel having transmission characteristics. A measurement circuit is coupled to the first transceiver for measuring the effects of the transmission characterist ...


2
Aldo A Martinez: Echo canceller with dynamically positioned adaptive filter taps. Racal Data Communications, Jerry A Miller, April 18, 1989: US04823382 (40 worldwide citation)

An echo canceller according to the present invention includes means for storing an impulse response in a memory, the impulse response being indicative of the characteristics of a transmission line. It also includes a detector for detecting ranges of samples within the impulse response having relativ ...


3
Aldo A Martinez: Modem clock with automatic gain control. Racal Data Communications, Roberts and Quiogue, May 24, 1988: US04747114 (6 worldwide citation)

A modem receiver having a timing recovery circuit is disclosed. The timing recovery circuit includes circuitry for extracting timing information, multiplication circuitry responsive to the timing information for providing a clock envelope signal and processing circuitry for controlling the gain of t ...


4
Gregor F Schmid, Rick Edward Payor, Aldo A Martinez: Correction of peripheral defocus of an eye and control of refractive error development. Ciba Vision Corporation, June 24, 2010: US20100157240-A1

An ophthalmic lens series for reducing the progression of myopia through adequately correcting the peripheral retina, the series comprising more than one ophthalmic lens forming a series. Each ophthalmic lens of the series has a central power level common to the series. Each of the ophthalmic lenses ...