4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Photocell controlled circuit

L. H. Birnbaum

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Analog-to-digital converter using prescribed signal components t

Coded data generation or conversion – Analog to or from digital conversion – Increasing converter resolution
Patent

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Arrangement for canceling interference in transmission systems

Telephonic communications – Subscriber line or transmission line interface – Network interface device
Patent

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Automated channel test unit

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Patent

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Bidirectional optical transceiver assembly

Optical waveguides – With disengagable mechanical connector – Optical fiber to a nonfiber optical device connector
Patent

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Bonding of aluminum oxide components to silicons substrates

Active solid-state devices (e.g. – transistors – solid-state diode – Responsive to non-electrical signal – Electromagnetic or particle radiation
Patent

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Profile ID: LFUS-PAI-P-271184

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