Warning device for printers

Details Warning device for printers Warning device for printers

B - Operations, Transporting

41

J

B41J 29/46 (2006.01) B41J 29/393 (2006.01)

Patent

CA 2255959

A modular peripheral error warning device (10) for use with printers having a Centronics parallel port (20). The peripheral error warning device monitors various voltages of connecting wires (18) that interface with the computer and the printer (22) and includes an interface box (12), an alarm box (14), and a power supply (16). Activation of an alarm, such as a buzzer (36) or LED (34), will occur if the monitored voltage corresponds to printer error, such as a paper jam. Correction of the printer error results in deactivation of the alarm.

L'invention concerne une alarme périphérique modulaire (10), destinée à être utilisée avec des imprimantes ayant un accès parallèle Centronics (20). Le dispositif en question contrôle les diverses tensions des fils de connexion (18) assurant l'interface avec l'ordinateur et l'imprimante (22); il comprend une boîte d'interface (12), un boîtier d'alarme (14), et une source d'alimentation (16). L'activation de l'alarme, en configuration de vibreur acoustique (36) ou de diode lumineuse (34), intervient si la tension contrôlée correspond à une erreur au niveau de l'imprimante (par exemple, bourrage papier). On désactive l'alarme en corrigeant l'erreur au niveau de l'imprimante.

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