H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 1/44 (2006.01)
Patent
CA 2081155
ABSTRACT A system for safe transmission of a message with posi- tive identification of the sender includes on the trans- mitter side telefax-type message-transmitting apparatus (10) and encryption means (22) for encrypting transmis- sion signals from the telefax apparatus prior to trans- mission, and includes on the receiver side decryption means (25) for decrypting incoming signals prior to their receipt in telefax-type apparatus (20), and mes- sage enveloping and message gathering means (21) for safe storage of messages received by the telefax appara- tus (20) in an enveloped form within a closed casing (11). Activating means (23) on the transmitter side includes a card reader (231) and keyboard (232) and is intended to activate the encryption means (22) in response to sig- nals from the card reader (231) and the keyboard (232). Control means (24) on the receiver side function to activate the decryption means (25) in response to sig- nals emanating from the signals from the card reader (231) and the keyboard (232). The control means (24) causes a marking to be applied to the top of each printed sheet commenced in the telefax apparatus (20) on the receiver side, this marking dis- closing whether the transmitted message is an encrypted message or a clear language message.
Bjorkman Claes
Eklund Lars
Lundblad Leif
G. Ronald Bell & Associates
Nybo Seal System Ab
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