| 6785748 |
Image communication apparatus wirelessly connectable to other apparatuses, system having the image communication apparatus, and method for controlling the same |
| Aug-31-2004 |
A wireless mode between a scanner and an image communication apparatus is changed, in response to completion of image transmission from the scanner to the image communication apparatus, completion of print... |
| 6782102 |
Multiple format secure voice apparatus for communication handsets |
| Aug-24-2004 |
Multiple format secure voice apparatus for communication handsets includes a core unit with a speaker, a microphone, a keypad, and a display. The core unit also includes an audio circuit coupled to the... |
| 6778670 |
Method and apparatus for encryption and decryption |
| Aug-17-2004 |
A method and apparatus are provided for encrypting a stream of data transmitted within a frame. The method includes determining a first initialization state in a first preselected interval, and determining... |
| 6771776 |
Method and apparatus for re-synchronization of a stream cipher during handoff |
| Aug-3-2004 |
A method and apparatus for re-synchronizing a stream cipher during soft handoff. Transmitted quasi-secret keying information is used with a secret key to reinitialize a stream cipher generator located... |
| 6768797 |
Method and apparatus for encrypting data in a wireless communication system |
| Jul-27-2004 |
In a communications system, a method of transforming a set of message signals representing a message comprising the steps of first encoding one of the set of message signals in accordance with a first... |
| 6765497 |
Method for remotely accessing vehicle system information and user information in a vehicle |
| Jul-20-2004 |
A communication system includes a vehicle (101) and an infrastructure (160). The vehicle contains vehicle system information (104) and user information (112). The infrastructure includes a processor (154)... |
| 6763112 |
Security procedure in universal mobile telephone service |
| Jul-13-2004 |
A security procedure for a Universal Mobile Telephone Service (UMTS) mobile communication system includes detecting a communication failure between a Radio Network Controller (RNC) which controls radio... |
| 6760444 |
Mobile IP authentication |
| Jul-6-2004 |
Methods and apparatus for authenticating a mobile node are disclosed. A server is configured to provide a plurality of security associations associated with a plurality of mobile nodes. A packet identifying... |
| 6754483 |
Method and system for generating a secure wireless link between a handset and base station |
| Jun-22-2004 |
Methods and apparatus for establishing secure wireless links between a handset and a base station in cordless telephone systems are described. A method of generating a secure wireless link between a handset... |
| 6744747 |
Method & apparatus for W-CDMA handoff searching |
| Jun-1-2004 |
Techniques for improved handoff searching in asynchronous systems, such as W-CDMA, are disclosed. In one aspect, a two-step search procedure is used when a list of neighbor codes is known. In the first... |
| 6741704 |
Method of setting encryption for a connection in a radio system |
| May-25-2004 |
In combined systems of different radio systems, for example in a combined system of the radio access network (RAN) of the IMT-2000 system and the core network (MSC) of the GSM system, a problem exists... |
| 6741636 |
System and method for converting data into a noise-like waveform |
| May-25-2004 |
A system and method of modulation of digital data to create a low probability of intercept communication system. The method comprises the steps of receiving digital data (or analog data and converting... |
| 6711400 |
Authentication method |
| Mar-23-2004 |
In telecommunications systems, the traffic can be protected from eavesdropping and the use of a false identity can be prevented by verifying the authenticity of the terminal equipment by means of an authentication... |
| 6707915 |
Data transfer verification based on unique ID codes |
| Mar-16-2004 |
A method of transferring a data packet from a providing communication terminal to a requesting communication terminal, wherein the requesting communication terminal transfers a message to the providing... |
| 6707916 |
Mitigation of false co-channel uplink reception in a processing satellite communication system using scrambling sequences |
| Mar-16-2004 |
A method and apparatus for mitigation of false co-channel uplink reception, also known as show-thru, in an uplink A due to an uplink B at a satellite receiver. The method includes storing multiple scrambling... |
| 6704571 |
Reducing data loss during cell handoffs |
| Mar-9-2004 |
In a wireless communications system, mobile units establish data communications sessions using wireless links having negotiated transmission parameters. To reduce data loss during handoffs of the wireless... |
| 6701363 |
Method, computer program product, and system for deriving web transaction performance metrics |
| Mar-2-2004 |
The present invention comprises a method of relating characteristics gleaned by monitoring application transaction flows (and the decomposition thereof) to produce performance metrics useful to characterize... |
| 6674860 |
Method and arrangement for managing a service in a mobile communications system |
| Jan-6-2004 |
The invention pertains to a method and arrangement for managing a service in a mobile communications system, mobile station and an intelligent module in a mobile station. An idea of the invention is that... |
| 6658570 |
Method and system in a data processing system for activating a password requirement utilizing a wireless signal |
| Dec-2-2003 |
A method and system are described for activating a password requirement in a computer system included within a data processing system. A wireless signal is transmitted to the computer system such that... |
| 6654466 |
Data communication equipment, data communication system, and data communication method |
| Nov-25-2003 |
Data communication means (82) performs data communication and power transmission by utilizing electromagnetic waves. Conversion method designating means (88) is provided with output value measuring means... |
| 6622014 |
Method for authorizing a communication between at least two devices |
| Sep-16-2003 |
Known telecommunication systems like a DECT-system comprising a base-station and a handset or like a Digital Home Network system comprising a controller and several devices or a car radio system comprising... |
| 6594489 |
Method and apparatus for effecting handoff between different cellular communications systems |
| Jul-15-2003 |
A method of effecting handoff of a mobile station from a first base station in a first cellular communications system controlled by a first mobile switching control station to a second base station in... |
| 6591364 |
Method for establishing session key agreement |
| Jul-8-2003 |
In the method for establishing a session key, a network and a mobile transfer codes between one another. The mobile and the network perform mutual authentication based on the codes. Besides performing... |
| 6587680 |
Transfer of security association during a mobile terminal handover |
| Jul-1-2003 |
An existing security association is re-established when a communication handover event occurs in a radio communications system such as IEEE 082.11 or a HIPERLAN wherein the existing security association... |
| 6556681 |
Reconfigurable universal trainable transmitter |
| Apr-29-2003 |
A trainable transmitter comprises a transmitter, code-generation circuitry and a removable, plug-in data module. The data module includes information necessary for generating a code for a specific security... |
| 6549625 |
Method and system for connecting a mobile terminal to a database |
| Apr-15-2003 |
The invention is a communication system (10) and a method of communication. The communication system includes an information source (20); a position transceiver (14) disposed at a broadcast location (16)... |
| 6539094 |
Data transmission apparatus and method, data receiving apparatus and method, and data transmitting/receiving system and method |
| Mar-25-2003 |
Data to be transmitted via a serial bus in conformity with the IEEE 1394 protocol are ciphered by a ciphering/deciphering circuit, and headers are attached thereto by a header sync detecting/generating... |
| 6522874 |
User key validation to prevent fraud during system handoffs |
| Feb-18-2003 |
A user key validation during a handoff verifies the subscriber using the wireless communication system and prevents fraudulent use of the system. A wireless communication system (10) has a number of satellites... |
| 6519701 |
Information processing apparatus, information processing method, and transmission medium |
| Feb-11-2003 |
An Open Descriptor demanding an access right is transmitted from a personal computer to a DVD player. In response to this demand, the DVD player transmits either an Accept response or a Reject response.... |
| 6516065 |
Method for implementing ciphered communication for single-hop terminal-to-terminal calls in a mobile satellite system |
| Feb-4-2003 |
A mobile satellite communication system is provided to control the transfer of a terminal for a single-hop call from at least one of a clear mode and a ciphered mode with respect to a gateway station to... |
| 6507908 |
Secure communication with mobile hosts |
| Jan-14-2003 |
A method for secure data communication with a mobile machine in which a data packet is received from the mobile machine having a particular network address. A pool of secure addresses is established and... |
| 6496928 |
System for transmitting subscription information and content to a mobile device |
| Dec-17-2002 |
A system controls access to broadcast messages received by a plurality of mobile devices. Selected mobile devices are provided with a broadcast encryption key (BEK). The broadcast messages are encrypted... |
| 6487657 |
Data communication network |
| Nov-26-2002 |
The invention relates to a data communication network suitable for the exchange of data between computers, which network comprises at least one substantially wireless LAN (Local Area Network) and access... |
| 6487294 |
Secure satellite communications system |
| Nov-26-2002 |
A secure satellite communications system for mobile users. The secure satellite communications system includes an orbiting communications satellite which performs the function of relaying communications... |
| 6483919 |
Method and arrangement for establishing an encrypted mobile connection |
| Nov-19-2002 |
In a method and an arrangement for establishing an encrypted connection between a mobile station and a base transceiver station in a mobile telephone system, the base transceiver station makes sure, before... |
| 6473448 |
Spread spectrum signal generation method, spread spectrum signal generator, stream encryption method, and stream enciphered codes communication method |
| Oct-29-2002 |
Arithmetic operation is started by substituting an initial value x(0) for a logistic mapping x(t+1)=4x(t){1x(t)} which is a symmetrical nonlinear mapping. The resultant value is again input into the logistic... |
| 6470447 |
Enabling conformance to legislative requirements for mobile devices |
| Oct-22-2002 |
Provided are a method and a mechanism for dynamically controlling the performance of communication-related operations of a mobile device in accordance with legislative requirements of the particular location... |
| 6467039 |
Device in a system operating with can-protocol and in a control and/or supervision system |
| Oct-15-2002 |
A control or supervision system incorporates a digital serial communication and modules which are mutually communication communicable to this and operate with CAN-protocol. A control desk can be wirelessly... |
| 6463154 |
Method for determining temporary mobile identifiers and managing use thereof |
| Oct-8-2002 |
In the method for managing the use of temporary mobile identifiers (TIDs), the mobile and the network each store a list of TIDs for the mobile. Newly determined TIDs are added to the respective TID list... |
| 6418224 |
Methods and apparatus for self-inverting multiple-iteration CMEA crypto-processing for improved security for wireless telephone messages |
| Jul-9-2002 |
A self-inverting enhanced CMEA encryption system suitable for use in wireless telephony. An unprocessed text message is introduced into the system and subjected to a first iteration of a CMEA process,... |
| 6385316 |
Method and apparatus for encrypting data in a wireless communication system |
| May-7-2002 |
In a communications system, a method of transforming a set of message signals representing a message comprising the steps of first encoding one of the set of message signals in accordance with a first... |
| 6377690 |
Safe transmission of broadband data messages |
| Apr-23-2002 |
An arrangement for providing secure transmission of information. The bulk of the information is transmitted over non-secure channels such as broadcast media which terminate on a plurality of receiving... |
| 6373949 |
Method for user identity protection |
| Apr-16-2002 |
In the method in accordance with the present invention, the subscriber identifier to be sent to the transmission network is encrypted using a cipher key common to a specific group of subscribers, and a... |
| 6356638 |
Radio wireline interface and method for secure communication |
| Mar-12-2002 |
An interface between a digital communication system and a PSTN establishes a user configurable secure encrypted link to a digital subscriber unit through the digital communication system, and provides... |
| 6353889 |
Portable device and method for accessing data key actuated devices |
| Mar-5-2002 |
Data key actuated devices such as high security doors are modified so that they periodically transmit an identity pattern. An authorized user is provided with a portable access device storing keys for... |
| 6343214 |
Mobile telephones |
| Jan-29-2002 |
A mobile telephone comprises reception means (5) for receiving message data including identity data, key data and instruction data from a caller, the identity data relating to the caller and the key data... |
| 6330334 |
Method and system for information dissemination using television signals |
| Dec-11-2001 |
A system and method of information dissemination that permits the user to listen to the specific content of information when and where he or she wants to. A radio or television receiver system receives... |
| 6317500 |
Method and apparatus for location-sensitive decryption of an encrypted signal |
| Nov-13-2001 |
A system for assuring the location integrity of a decryption chip used to receive and decrypt encrypted signals ES received from an encrypted signal source. The decryption chip operates in association... |
| 6282294 |
System for broadcasting to, and programming, a motor device in a protocol, device, and network independent fashion |
| Aug-28-2001 |
The present invention is directed, in one embodiment, to a programming interface which enables device/protocol/network independent transmission of messages to, and programming of, mobile devices. In another... |
| 6266411 |
Method and apparatus for multiple-iteration CMEA encryption and decryption for improved security for wireless telephone messages |
| Jul-24-2001 |
An enhanced CMEA encryption system suitable for use in wireless telephony. A plaintext message is introduced into the system and subjected to a first iteration of a CMEA process, using a first CMEA key... |
