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FR2360979A1 Expired / Lapsed FR ⏱️ 0.0 years remaining

KEYBOARD

Assignee: Wilhelm Ruf KG
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Filing: 1977-05-26
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Granted: —
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Expires: 1997-05-26
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Abstract

Abstract Translated from French a. Clavier. b. Clavier caractérisé en ce que la plaque de circuits en matière isolante est munie de pistes de conducteurs qui se croisent, les points de croisement entre les premières, deuxièmes et autres pistes de conducteurs superposées, présentant des couches électriquement isolantes. c. L'invention trouve son application dans le domaine des claviers, notamment pour les appareils de commande at. Keyboard. b. Keyboard characterized in that the circuit board of insulating material is provided with conductor tracks which cross each other, the points of intersection between the first, second and other superimposed conductor tracks, having electrically insulating layers. vs. The invention finds its application in the field of keyboards, in particular for control devices.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 00:10
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70; H01H13/702; H01H13/703; H01H2207/00; H01H2207/016; H01H2211/00; H01H2211/026; H01H2211/028; H01H2221/00; H01H2221/002; H01H2231/00; H01H2231/032

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3728509A Cited
US3760137A Cited
FR2151020A1 Cited
DE2253181A1 Cited
US3915769A Cited
US4022993A Cited

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