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Johannes Sophia Vromans

Philips

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Publication

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IEEE Transactions on Consumer Electronics | 1981

A One-Chip Automatic Equalizer for Echo Reduction in Teletext

Johannes Otto Voorman; Pieter Jacob Snijder; P. J. Barth; Johannes Sophia Vromans

Theory, implementation and test results of an automatic equalizer for echo reduction in Teletext are described.

Archive | 1998

Receiver having a phase-locked loop

Johannes Hubertus Antonius Brekelmans; Hans-Jürgen Kühn; Johannes Sophia Vromans

Archive | 1992

Television receiver with automatic tuning control

Johannes Sophia Vromans; Hubertus Josephus Franciscus Maas; Johannes Dollee

Archive | 1998

Receiver having narrow bandwidth phase-locked loop demodulator

Johannes Hubertus Antonius Brekelmans; Hans J. Kunz; Johannes Sophia Vromans

Archive | 1989

Delay circuit having at least one all-pass network

Johannes Otto Voorman; Pieter Jacob Snijder; Johannes Sophia Vromans

Archive | 1987

Delay circuit comprising all-pass networks

Johannes Otto Voorman; Pieter Jacob Snijder; Johannes Sophia Vromans

Archive | 1989

Delay circuit with all-pass network

Johannes Otto Voorman; Pieter Jacob Snijder; Johannes Sophia Vromans

Archive | 2002

Quadrature demodulator using compensation of phase and amplitude imbalances

Johannes Sophia Vromans

Archive | 1992

Fernsehempfänger mit automatischer Abstimmregelung Television receiver with automatic tuning control

Johannes Sophia Vromans; Hubertus Josephus Francis Maas; Johannes Dollee

Archive | 1987

Delay line memory with allpass-circle.

Johannes Otto Voorman; Pieter Jacob Snijder; Johannes Sophia Vromans

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Collaboration

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Johannes Otto Voorman

Philips

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Pieter Jacob Snijder

Philips

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Johannes Dollee

Philips

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Johannes Hubertus Antonius Brekelmans

Philips

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Hans J. Kunz

Philips

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Hans-Jürgen Kühn

Philips

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Hubertus Josephus Franciscus Maas

Philips

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P. J. Barth

Philips

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