4. Typewriting machines
  5. Including interposed inking device for record-medium
  6. Means auxiliary to ribbon mechanism

Youjiro Shigemori

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Contactless buzzer

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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Contactless buzzer

Communications: electrical – Audible indication – Ultrasonic pest control
Patent

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Magnetic card reader

Dynamic magnetic information storage or retrieval – Modulating or demodulating – Frequency
Patent

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Ribbon cartridge

Typewriting machines – Including interposed inking device for record-medium – Means auxiliary to ribbon mechanism
Patent

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Transistor blocking oscillator stabilized against changes in bia

Oscillators – Solid state active element oscillator – Transistors
Patent

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Profile ID: LFUS-PAI-P-482682

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