Quotables
"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7747017 | Method and apparatus for end-to-end clear transport protocol A communication system provides a clear channel link for transport of encrypted payload across a network of the communication system. When a source access network receives, via an air interface, a frame that is formatted pursuant to an air interface protocol and tha... | 06/29/2010 |
| 7293292 | Method and system for securely and selectively providing optional features or premium functionality in a printer A method and system of selectively and securely enabling an added or premium functionality in a printer can be created by transmitting or inputting to the printer an electronic key correlated to the unique serial number stored in that printer. In this way, the key u... | 11/06/2007 |
| 7280662 | Time-shifting data in digital radio system A satellite-based digital audio radio (SDAR) receiver is configured to temporarily store data that may be transmitted to the SDAR receiver at a time inconvenient to the subscriber. A memory arrangement buffers data output by a channel decoder. The SDAR receiver can ... | 10/09/2007 |
| 7133525 | Communication security apparatus and method of using same Encryption and decryption sites are initially assigned identical one time Vernam like pads, (OTP), and each site is provided with identical compendiums of byte modifying instructions identified by instruction IDs. Encryption is implemented by a random first subset o... | 11/07/2006 |
| RE38739 | Facsimile apparatus A facsimile apparatus is provided with changeover means that makes it possible to pass signals through or to bypass a coder, which encrypts transmission information, and a decoder, which decodes encrypted information that has been received. Whether or not a facsimil... | 05/31/2005 |
| 6317838 | Method and architecture to provide a secured remote access to private resources A method and architecture allowing a remote user, especially an Internet remote user, to securely access private resources protected by a firewall. The architecture comprises a computer facility and many remote user terminals connected via the Internet. T... | 11/13/2001 |
| 5574789 | Encryption communication method and terminal device for encryption communication In a calling facsimile, if an operator sets an encryption communication mode, a random number sequence is generated by a random number generating section 15. A control section 11 produces an encryption key from the random number sequence, and transmits th... | 11/12/1996 |
| 5455862 | Apparatus and method for encrypting communications without exchanging an encryption key An encryption/decryption unit (EDU) and method for determining a data encryption key used in encrypting and decrypting data transmitted over a non-secure communication link. Each EDU includes a central processing unit (CPU) that controls its operation, ra... | 10/03/1995 |
| 4177485 | Facsimile apparatus 1. In a facsimile apparatus, means for producing a stepped signal, the amplitudes of the steps being substantially dependent upon the photographic density of the subject and the durations of the steps being predetermined, a combining circuit and means for... | 12/04/1979 |
