| 6256491 |
Voice security between a composite channel telephone communications link and a telephone |
| Jul-3-2001 |
An apparatus and method for security of individual communications over a composite communications channel such as T1 or E1. The composite channel is digitized. Individual channels are separated, but identifying... |
| 6253326 |
Method and system for secure communications |
| Jun-26-2001 |
A communications system and methods for securely transmitting a message between a wireless client and a proxy server are provided. A method for transmitting a message from the wireless client to a proxy... |
| 6249584 |
Method for indicating enciphering of data transmission between a mobile communication network and a mobile station |
| Jun-19-2001 |
The invention relates to a method for indicating enciphering of data transmission between a mobile communication network and a mobile station (MS) in the mobile communication network, wherein signals transferred... |
| 6233337 |
Methods and apparatus for enhanced security expansion of a secret key into a lookup table for improved security for wireless telephone messages |
| May-15-2001 |
An enhancement to the use of a tbox function for CMEA encryption. Offsets are generated for application of the tbox function to a message, using secret values and previously encrypted message octets. The... |
| 6229897 |
Apparatus and method of secured analog voice communication |
| May-8-2001 |
An apparatus and method for improved security in wire or wireless communication systems includes scrambling the audio signal, combining a masking signal with the scrambled audio signal, and then transmitting... |
| 6223290 |
Method and apparatus for preventing the fraudulent use of a cellular telephone |
| Apr-24-2001 |
A method and apparatus for controlling use of an electronic system is described. Use of the electronic system is controlled by programming at least one unique code into an auxiliary memory of the electronic... |
| 6198875 |
Tiris based bios for protection of "copyrighted" program material |
| Mar-6-2001 |
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. Once a disk is input... |
| 6189100 |
Ensuring the integrity of remote boot client data |
| Feb-13-2001 |
A remote boot process uses a secret to sign and/or seal the data necessary to remotely boot a client from a server on a network to ensure the integrity of the data. The secret is generated by the server... |
| 6185307 |
Cryptography security for remote dispenser transactions |
| Feb-6-2001 |
The invention relates to providing secure transactions with a tag and POS device associated with a host network authorization system. In doing so, the tag is adapted to bi-directionally communicate with... |
| 6178512 |
Wireless network |
| Jan-23-2001 |
A method of operating a wireless network comprising a plurality of public wireless terminals and private wireless terminals, and optionally a base station uses a transmission frame including a control... |
| 6167514 |
Method, apparatus, system and information storage medium for wireless communication |
| Dec-26-2000 |
Wireless communication method and apparatus which can perform the wireless transmission/reception of encrypted data without previous provision of a cryptographic key and without any system for registering... |
| 6167137 |
Secure communications in a wireless system |
| Dec-26-2000 |
Disclosed are three major aspects relating to wireless transmission of encrypted data messages in a security system wherein the receiver stores locally an encryption key utilized by the transmitting device... |
| 6163361 |
Digital camera including a printer for receiving a cartridge having security control circuitry |
| Dec-19-2000 |
A digital camera is disclosed which includes a printer for printing images onto a receiver having preformed authenticating information, the receiver being formed in a cartridge which is insertable into... |
| 6151677 |
Programmable telecommunications security module for key encryption adaptable for tokenless use |
| Nov-21-2000 |
A security module that is preferably tokenless and is used in telephone communications (e.g., cellular) to secure a transmitted bit stream. The module provides traffic encryption, key exchange, key protection,... |
| 6137885 |
Method for enabling direct encrypted communication between two terminals of a mobile radio network, and corresponding station and terminal facilities |
| Oct-24-2000 |
A method for enabling encrypted communication to be performed directly in a single hop or merely directly between two terminals of a mobile radio network by satellite and/or of the GSM/DCS type, after... |
| 6128390 |
Data processor for FM multiplex broadcast |
| Oct-3-2000 |
A second random number generator (102) sets a scramble key data included in a transmitted/received data to an initial value, and it generates predetermined second random numbers. A first random number... |
| 6118775 |
Security of packet-mode transmission in a mobile communication system |
| Sep-12-2000 |
A method for data transmission between a transmitter and a receiver in a digital mobile communication system comprising at least one mobile station and at least one air interface, in which method the data... |
| 6108424 |
Mobile radio telephone station comprising a protection system for at least one authentication number and method of protecting an authentication number |
| Aug-22-2000 |
The mobile station comprises Traffic Identification Encryption means (TIE) and a memory (54) for storing at least one authentication number (A-key). According to the invention, the protection system comprises... |
| 6097817 |
Encryption and decryption in communication system with wireless trunk |
| Aug-1-2000 |
A communication system having a wireless trunk for connecting multiple phone lines over wireless communication links to a cellular network comprises a central telephone switch, such as a private branch... |
| 6094572 |
Method of generating a random number from a radio signal |
| Jul-25-2000 |
A method of generating a random number is disclosed for forming an identification code used for mutual identification between a base station and a mobile telephone. The method includes receiving a radio... |
| 6094487 |
Apparatus and method for encryption key generation |
| Jul-25-2000 |
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 on the... |
| 6088457 |
Method and apparatus for over the air programming a communication device |
| Jul-11-2000 |
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 operational parameters... |
| 6088450 |
Authentication system based on periodic challenge/response protocol |
| Jul-11-2000 |
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. The... |
| 6081601 |
Method of implementing connection security in a wireless network |
| Jun-27-2000 |
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 in the... |
| 6081600 |
Method and apparatus for signaling privacy in personal communications systems |
| Jun-27-2000 |
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 the communication... |
| 6078888 |
Cryptography security for remote dispenser transactions |
| Jun-20-2000 |
The invention relates to providing secure transactions with a tag and POS device associated with a host network authorization system. In doing so, the tag is adapted to bi-directionally communicate with... |
| 6078664 |
Z-transform implementation of digital watermarks |
| Jun-20-2000 |
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 of a... |
| 6075860 |
Apparatus and method for authentication and encryption of a remote terminal over a wireless link |
| Jun-13-2000 |
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 communication... |
| 6075859 |
Method and apparatus for encrypting data in a wireless communication system |
| Jun-13-2000 |
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... |
| 6075453 |
Vehicular door lock control apparatus |
| Jun-13-2000 |
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 actuable to... |
| 6072875 |
Method and apparatus for secure identification of a mobile user in a communication network |
| Jun-6-2000 |
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. The gist... |
| 6070240 |
Computer access control |
| May-30-2000 |
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 the... |
| 6067529 |
System and method for sending a short message containing purchase information to a destination terminal |
| May-23-2000 |
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 terminal,... |
| 6067076 |
Docking system with docking port for establishing secure wireless connection between computer devices |
| May-23-2000 |
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 device.... |
| 6061453 |
Communication system by radio connection |
| May-9-2000 |
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 receiver... |
| 6047070 |
Process for ensuring a securing interface between a telephone with a card and the network in a telephone system |
| Apr-4-2000 |
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 card,... |
| 6046680 |
Method of preventing unauthorized reproduction of a transmission code |
| Apr-4-2000 |
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 configured... |
| 6044158 |
Method and apparatus for communicating secure data over a telephone line using a cellular encryption apparatus |
| Mar-28-2000 |
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 telephone line... |
| 6041124 |
Radio communication system and method and mobile communication terminal device |
| Mar-21-2000 |
In a radio communication system, efficient information provision services is obtained where various information is provided to mobile communication terminal devices separately from call services, update... |
| 6038668 |
System, method, and medium for retrieving, organizing, and utilizing networked data |
| Mar-14-2000 |
A networked catalog search, retrieval, and information correlation and matching system is disclosed. The system allows suppliers to publish information in electronic catalogs, structure the information... |
| 6035040 |
System and method for decryption in the symbol domain |
| Mar-7-2000 |
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 apparatus,... |
| 6016349 |
Cellular phone provided with legal identification means of the owner of the cellular phone |
| Jan-18-2000 |
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 cellular... |
| 6009135 |
Method and apparatus for generating a stream cipher |
| Dec-28-1999 |
A code division multiple access (CDMA) is a type of spread-spectrum communication system having a plurality of subscriber units and at least one base station. In order for a first subscriber unit to communicate... |
| 5991410 |
Wireless adaptor and wireless financial transaction system |
| Nov-23-1999 |
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 into... |
| 5987139 |
Method for encryption of information |
| Nov-16-1999 |
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 pseudo-random... |
| 5970148 |
Low cost encryption transponder |
| Oct-19-1999 |
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 initial... |
| 5966442 |
Real-time information delivery system for aircraft |
| Oct-12-1999 |
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 time... |
| 5966224 |
Secure communications with low-orbit spacecraft using quantum cryptography |
| Oct-12-1999 |
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 polarized.... |
| 5963650 |
Method and apparatus for a customizable low power RF telemetry system with high performance reduced data rate |
| Oct-5-1999 |
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 cache. A... |
| 5960085 |
Security badge for automated access control and secure data gathering |
| Sep-28-1999 |
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 transmitting... |
