Matches 451 - 500 out of 609 < 1 2 3 4 5 6 7 8 9 10 11 12 13 >
Match Document Document Title
6094487 Apparatus and method for encryption key generation  
An encryption key generation system generates encryption keys at both an originating terminal and a terminating terminal of a wireless network. A central controller generates a shared secret based...
6088450 Authentication system based on periodic challenge/response protocol  
A wireless authentication system to control an operating state of a node being a computer, door control mechanism or any muti-state product based on the proximity of an authorized user to the node....
6088457 Method and apparatus for over the air programming a communication device  
An over-the-air programming (OTAP) technique in which programming messages are sent to a communication device in order to change operational parameters in the communication device. These...
6081600 Method and apparatus for signaling privacy in personal communications systems  
A system and method provides signaling privacy for communications between nodes of a communications network (30). Multiple logical links exist between distinct network nodes (38-40, 42, 50-53) of...
6081601 Method of implementing connection security in a wireless network  
The invention relates to a method of providing connection security for a connection between terminals in a wireless network. In the method data is transmitted from a first terminal (MS1) via nodes...
6078664 Z-transform implementation of digital watermarks  
Z-transform calculations may be used to encode (and/or decode) carrier signal independent data (e.g., digital watermarks) to a digital sample stream. Deterministic and non-deterministic components...
6075860 Apparatus and method for authentication and encryption of a remote terminal over a wireless link  
A method and system for authenticating an authorized user of a remote terminal attempting to interconnect with a computer network over a wireless modem is provided. An encrypted wireless...
6075453 Vehicular door lock control apparatus  
A vehicular door lock control apparatus for unlocking a door lock mechanism includes a key for performing a first unlocking operation and a second unlocking operation. A door key cylinder is...
6072875 Method and apparatus for secure identification of a mobile user in a communication network  
A method and an apparatus are provided for securely identifying a mobile user while avoiding trackability of his/her movements, i.e. it provides a way for a secure user identification in secrecy....
6070240 Computer access control  
A method of controlling a computer (12) system (10) comprising the steps of: disposing a computer (12) in an operating space and placing the computer (12) in a lockout mode to prevent operation of...
6067076 Docking system with docking port for establishing secure wireless connection between computer devices  
A docking system and method for establishing secure wireless connection between computer devices is presented. The technique assumes that at least one of the computer devices comprises a portable...
6067529 System and method for sending a short message containing purchase information to a destination terminal  
A telecommunications system and method is disclosed for providing a substantially immediate electronic receipt after a consumer has made a purchase. When a consumer makes a purchase, the sales...
6061453 Communication system by radio connection  
A radio communication system supplied by a battery, comprising at least one emitter and a receiver. The receiver operates in an intermittent manner between an active mode and a stand-by mode. The...
6046680 Method of preventing unauthorized reproduction of a transmission code  
An integrated circuit (IC) configurable as transmitter/receiver includes a method of preventing unauthorized learning and reproduction of an access code as a security measure. When the IC is...
6047070 Process for ensuring a securing interface between a telephone with a card and the network in a telephone system  
In the method for dialing only preprogrammed telephone numbers, it is provided that when there is a desire for access or connection, the telephone number is transmitted from the telephone to the...
6044158 Method and apparatus for communicating secure data over a telephone line using a cellular encryption apparatus  
A communication apparatus (100) provides an interface between a cellular encryption and decryption apparatus (150) and a telephone line (91) allowing for communication of secure data of the...
6035040 System and method for decryption in the symbol domain  
A method of decrypting data comprising encrypting bit-wise data, using a first plural bit mask, modulating the data into symbol format, and transmitting the symbol format data to a receiving...
6016349 Cellular phone provided with legal identification means of the owner of the cellular phone  
A cellular phone including a central processing unit, receiving and transmitting means, and data input/output means, the phone comprising means for the legal identification of the owner of the...
5991410 Wireless adaptor and wireless financial transaction system  
The present invention is a method of a wireless adaptor receiving financial information, indicative of financial transactions, in PSTN compatible format, encrypting and converting the information...
5987139 Method for encryption of information  
The method involves modifying an encryption key (Kc) in accordance with a given algorithm and in dependence on the ordinal number of a time slot to obtain a modified encryption key. A modified...
5970148 Low cost encryption transponder  
Novel means of achieving increased security while still obtaining a low cost, manufacturable device are disclosed and claimed. The first mode of operation is the learn mode which provides means for...
5966442 Real-time information delivery system for aircraft  
A satellite-based digital broadcast system is used to provide real-time news, entertainment and informational programs to aircraft passengers in flight. Transmissions from the satellite occur on a...
5966224 Secure communications with low-orbit spacecraft using quantum cryptography  
Apparatus and method for secure communication between an earth station and spacecraft. A laser outputs single pulses that are split into preceding bright pulses and delayed attenuated pulses, and...
5963650 Method and apparatus for a customizable low power RF telemetry system with high performance reduced data rate  
A customizable data acquisition device (DA) and a data collection system (DCS). The DA is remotely located for attachment to a variety of I/O devices, and uses an RF transceiver with a primary...
5960085 Security badge for automated access control and secure data gathering  
A system utilizing a personal identification badge to collect data and to provide access to a computer terminal. The personal identification badge includes circuitry and transceiver components for...
5953425 Personal area network security lock and recharger combination apparatus for equipment access and utilization  
A mechanism is provided, for use with a portable authorization key, such as a "Personal Area Network" (PAN) device, wherein the PAN device is to be carried by a human user and to be used for...
5940515 Secure dialing in mobile telephone system  
A cellular telephonic communication system is provided with privacy in the transmission of a dialed number from a mobile station to a base station. This is accomplished by transmitting from the...
5937065 Keyless motor vehicle entry and ignition system  
A keyless control system is disclosed which may be employed to gain entry to a motor vehicle and start an engine. When using this system, a user activates a remote control by selecting a function...
5926546 Communication device and system for mobile encrypted communication  
An automatic collection system for automatically collecting a toll charge from an IC card is provided with transceivers in gantries installed along a vehicle road. This collection system uses the...
5923761 Single chip solution for multimedia GSM mobile station systems  
According to the present invention, a single chip semiconductor devices is provided. In one version of the invention, a single chip CMOS technology architecture is used to implement all or various...
5917852 Data scrambling system and method and communications system incorporating same  
Users or subscribers of a multi-user communications system, such as a spread spectrum communications system, provide signals to the central station or base unit of that system, and receive signals...
5909491 Method for sending a secure message in a telecommunications system  
A method for sending a secure message in a telecommunications system using public encryption keys. A sending transceiver encrypts the message c using the sender's own public encryption key Ex to...
5905798 TIRIS based kernal for protection of "copyrighted" program material  
The invention consists of attaching or embedding a "TIRIS" transponder (or other RF or IR or barcode or other identifying device) physically into the center of the proposed DVD disk. Within the...
5901226 Communication system with automatic handoff  
A method for organizing a communication system with automatic handoff. The method includes steps of: (i) sending a message from a first remote unit to a monitoring site during a specific time slot...
5898783 System and method for employing a telecommunications network to remotely disable a SIM or smartcard  
In a smartcard having a subscriber identity module ("SIMI") that cooperates with a mobile station to effect communication with a telecommunications network, a system for, and method of, disabling...
5878137 Method for obtaining authenticity identification devices for using services in general, and device obtained thereby  
Method for obtaining authenticity identification devices for using services in general wherein authenticity is guaranteed without resorting to the manufacturer of the device to ensure its validity;...
5862221 Scramble wireless communication system  
As for wireless communication lines between a master station and a plurality of remote stations, each remote station has a function F having an unitary variable which is known over all the stations...
5844987 Communications system and method using vehicle identifications  
A communications system for transmitting selected information to a registered mobile terminal in response to the reporting of a vehicle identification associated with the registered mobile terminal...
5841862 Mobile radio communications apparatus  
When at a starting time of an apparatus with a power supply turned ON a designation operation of a communication mode is carried out or one communication operation is finished, a base station...
5841873 Methods of detecting decryption errors  
In a data communications system, including an infrastructure arranged to communicate over a data channel with a plurality of data terminals, a method of detecting data decryption errors in a data...
5838797 Secure communication by encryption/decryption of vector at PSK modulation/detection stage  
At the transmit end of a secure communication system, an input data symbol is mapped to a corresponding vector in a two-dimensional phase plane. The vector is pseudorandomly phase-rotated in a...
5838798 Restaurant transaction processing system and method  
A restaurant transaction processing system which employs low-cost cordless phone transceivers to transmit orders. A server includes a first cordless telephone transceiver. A portable computer...
5832090 Radio frequency transponder stored value system employing a secure encryption protocol  
An encryption method and stored value system comprising a host computer, a reader/writer that communicates with the host computer, and an RF transponder that communicates with the reader/writer....
5825889 Use of duplex cipher algorithms for satellite channels with delay  
An apparatus and method for ciphering traffic exachanged in both directions between a satellite/cellular telephone and a ground station networkusing an orbitial satellite. A buffer memory is...
5825888 Descrambling device  
In a packet analyzing circuit, first and second key data are detected and stored in respective first and second key data registers. First and second key generation circuits generate first and...
5809141 Method and apparatus for enabling mobile-to-mobile calls in a communication system  
A communication system is disclosed which reduces loop delay when a first wireless phone calls a second wireless phone wherein the first and second phones are served by the same relay station. The...
5802177 Apparatus for radio local loop system  
Apparatus for a radio local loop for a telecommunications system, such as a base station (1) or a subscriber station (2), comprises a first unit (4, 13), which includes call processing and speech...
5790817 Configurable digital wireless and wired communications system architecture for implementing baseband functionality  
A configurable multiprocessor communications architecture which performs digital communications functions and which is configurable for different digital communications standards, such as various...
5787174 Remote identification of integrated circuit  
Circuitry mounted within a single hybrid or monolithic integrated circuit (I.C.) package including: (1) a first integrated circuit which is desired to be tracked for some purpose such as security...
5787180 Method of connecting a scrambler or encryption device to a hand-held portable cellular telephone  
An apparatus and method for voice privacy for cellular phones includes generic connection points to make it universal for most cellular phones. The connection points include the speaker and...
Matches 451 - 500 out of 609 < 1 2 3 4 5 6 7 8 9 10 11 12 13 >