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US3580566A
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Asynchronously controlled arrangement for feeding record cards
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US3543226A
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Connectors for printed circuit cards and the like
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US3533657A
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Reading-selecting device for the optical reading of perforations in or marks on recording media
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US3508063A
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Plural cell photoelectric structure
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US3533620A
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Device for selecting and stacking documents such as punched cards
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US3512143A
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Ferromagnetic multifilm memory elements
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US3500356A
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Ferromagnetic-film memory elements with two flux closure elements
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US3523252A
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Transfer-storage stages for shift registers and like arrangements
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US3483533A
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Memory elements comprising a plane anisotropic thin magnetic film having isotropic magnetic layers providing stable domain edges
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US3430884A
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Reels for carrying inked ribbons in printing machines
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US3524170A
|
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Sensing system for an array of persistent current storage elements
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US3487374A
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Magnetic-film input-output element
|
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US3435756A
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Magnetic holding means for type members in selective printing machines
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US3430210A
|
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Arrangement for the control of the recording of alphanumerical characters
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US3430211A
|
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System for storing coded character representations
|
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US3490012A
|
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Magnetic core memory plane with several core quadrants
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US3500344A
|
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Superconductor data storage device
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US3488519A
|
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Power supply circuit arrangement
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US3474956A
|
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Operation checking arrangement
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US3441915A
|
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Superconductive data storage device
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