Confidential document for laser or ink jet printer

Details Confidential document for laser or ink jet printer Confidential document for laser or ink jet printer

B - Operations, Transporting

42

D

B42D 15/02 (2006.01)

Patent

CA 2299558

The invention concerns a confidential document, in different embodiments, comprising a blocked out zone wherein is located an antiadhesive zone whereon an transparent adhesive film is set for laser or ink jet printing. A strip is precut at the back of the document leaving ties with the rest of the document. The addressee reads the printed inscription on the film by clipping the precut strip. The invention also concerns a corresponding laser or ink jet printing method for making an inscription confidential, thereby preventing a third party from reading the confidential inscription which consists in providing one of the following features: a blocked out background, a screen with small dots on the background, the adhesive zone not at the document edge, the printing types of the confidential inscription are covered with ink or toner over less than 100 % of their surface, a method which provides evidence of any attempt at violating the confidentiality which consists in providing the following features: the precut strip has ties forming seals, security inscriptions are added over the antiadhesive zone periphery, by detaching the film from its paper support to read the confidential inscription the paper support is defibered.

L'invention a pour objet un document confidentiel, suivant différentes réalisations, qui comporte une zone caviardée dans laquelle se trouve une zone antiadhésive sur laquelle on pose un film adhésif transparent pour impression laser ou jet d'encre. On prédécoupe au dos du document une languette en laissant des attaches au reste du document. Le destinatire lit l'inscription imprimée sur le film en détachant la languette prédécoupée. L'invention concerne aussi le procédé d'impression laser ou jet d'encre correspondant destiné à rendre une inscription confidentielle, un procédé qui empêche un tiers de lire l'inscription confidentielle qui consiste à adjoindre l'une des caractéristiques suivantes: un fond caviardé, une trame à petits points sur le fond, la zone adhésive non au bord du document, les caractères d'impression de l'inscription confidentielle sont couverts d'encre ou de toner sur moins de 100 % de leur surface, un procédé qui prouve toute tentative de voil de la confidentialité qui consiste à adjoindre l'une des caractéristiques suivantes: la languette prédécoupée a des attaches qui forment scellés, on ajoute des inscriptions de sécurité sur le pourtour de la zone antiadhésive, en détachant le film de son support papier pour lire l'inscription confidentielle on défibre le support papier.

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