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1. 发明申请

WO1996015594A2 WIRELESS RADIO MODEM WITH MINIMAL INTERDEVICE RF INTERFERENCE 审中-公开
标题翻译：无线射频干扰的无线射频调制解调器
公开(公告)号：WO1996015594A2
公开(公告)日：1996-05-23
申请号：PCT/CA1995000648
申请日：1995-11-14
申请人： RESEARCH IN MOTION LIMITED
发明人： RESEARCH IN MOTION LIMITED , TAYLOR, Bryan , LAZARIDIS, Mihal , EDMONSON, Peter , JARMUSZEWSKI, Perry , ZHU, Lizhong , CARKNER, Steven , WANDEL, Matthias , LITTLE, Herb, A.
IPC分类号： H04B01/20
CPC分类号： H04B1/40 , H04L7/046 , H04W52/028 , H04W52/0293 , H04W88/02 , Y02D70/40
摘要： A wireless radio modem that may be incorporated into a host system or connected through a PCMCIA or similar port to a host system includes radio frequency modulation/demodulation circuitry employing electronic device elements that operate in a frequency range that minimizes the RF interference between the radio modem and the host system. Radio modem power conservation is maximized by 1) simplifying signal modulation processing by use of a two-point waveform transition table, thereby reducing processing requirements; and 2) incorporating a "sleep mode" feature in which all non-timer circuitry is powered-down when not in use.
摘要翻译：可并入到主机系统中或通过PCMCIA或类似端口连接到主机系统的无线电调制解调器包括采用电子设备元件的射频调制/解调电路，该电子设备元件在使无线电调制解调器和主机系统。无线电调制解调器功率节省最大化1）通过使用两点波形转换表简化信号调制处理，从而降低处理要求; 和2）结合“睡眠模式”功能，其中所有非定时器电路在不使用时被断电。

2. 发明申请

WO1995020281A1 REMOTE CONTROL OF GATEWAY FUNCTIONS IN A WIRELESS DATA COMMUNICATION NETWORK 审中-公开
标题翻译：无线数据通信网络中网关功能的远程控制
公开(公告)号：WO1995020281A1
公开(公告)日：1995-07-27
申请号：PCT/IB1995000067
申请日：1995-01-19
申请人： RESEARCH IN MOTION LIMITED
发明人： RESEARCH IN MOTION LIMITED , MOUSSEAU, Gary, P. , LAZARIDIS, Mihal , LITTLE, Herb, A. , BARNSTIJN, Michael, A.
IPC分类号： H04L12/28
CPC分类号： H04L29/06 , H04W88/16
摘要： The present invention provides a method for user control of a gateway in a wireless data communication network. The present invention includes transmitting a data pocket to the gateway, including control data containing a plurality of commands to be executed by the gateway. The gateway then parses the plurality of commands and executes the commands.
摘要翻译：本发明提供了一种用于无线数据通信网络中的网关的用户控制的方法。本发明包括向网关发送数据包，包括包含由网关执行的多个命令的控制数据。然后，网关解析多个命令并执行命令。

3. 发明公开

EP1314294A2 SYSTEM AND METHOD FOR IMPLEMENTING AN ENHANCED TRANSPORT LAYER SECURITY PROTOCOL 有权
标题翻译：系统和方法实现改进的传输层安全协议的
公开(公告)号：EP1314294A2
公开(公告)日：2003-05-28
申请号：EP01966883.9
申请日：2001-08-24
申请人： Research In Motion Limited
发明人： BROWN, Michael, S. , LITTLE, Herb, A. , YACH, David
IPC分类号： H04L29/06
CPC分类号： H04L63/166 , G07B17/00193 , G07B2017/00491 , H04L63/0442 , H04L63/061 , H04L63/0884 , H04L63/123 , H04L67/02 , H04L67/04 , H04L67/42 , H04L69/329 , H04W12/02 , H04W12/04
摘要： A system and method for implementing an enhanced transport layer security (ETLS) protocol is provided. The system includes a primary server, an ETLS servlet and an ETLS software module. The primary server operates on a computer network and is configured to communicate over the computer network using a non-proprietary security protocol. The ETLS servlet also operates on the computer network and is securely coupled to the primary server. The ETLS servlet is configured to communicate over the computer network using an ETLS security protocol. The ETLS software module operates on a mobile device, and is configured to communicate over the computer network using either the non-proprietary security protocol or the ETLS security protocol. Operationally, the ETLS software module initially contacts the server over the computer network using the non-proprietary security protocol, and subsequently contacts the server through the ETLS servlet using the ETLS security protocol.

4. 发明授权

EP1314294B1 SYSTEM AND METHOD FOR IMPLEMENTING AN ENHANCED TRANSPORT LAYER SECURITY PROTOCOL 有权
标题翻译：系统和方法实现改进的传输层安全协议的
公开(公告)号：EP1314294B1
公开(公告)日：2005-10-19
申请号：EP01966883.9
申请日：2001-08-24
申请人： Research In Motion Limited
发明人： BROWN, Michael, S. , LITTLE, Herb, A. , YACH, David
IPC分类号： H04L29/06
CPC分类号： H04L63/166 , G07B17/00193 , G07B2017/00491 , H04L63/0442 , H04L63/061 , H04L63/0884 , H04L63/123 , H04L67/02 , H04L67/04 , H04L67/42 , H04L69/329 , H04W12/02 , H04W12/04
摘要： A system and method for implementing an enhanced transport layer security (ETLS) protocol is provided. The system includes a primary server, an ETLS servlet and an ETLS software module. The primary server operates on a computer network and is configured to communicate over the computer network using a non-proprietary security protocol. The ETLS servlet also operates on the computer network and is securely coupled to the primary server. The ETLS servlet is configured to communicate over the computer network using an ETLS security protocol. The ETLS software module operates on a mobile device, and is configured to communicate over the computer network using either the non-proprietary security protocol or the ETLS security protocol. Operationally, the ETLS software module initially contacts the server over the computer network using the non-proprietary security protocol, and subsequently contacts the server through the ETLS servlet using the ETLS security protocol.

5. 发明授权

EP1057269B1 BLOCK-WISE ADAPTIVE STATISTICAL DATA COMPRESSOR 有权
标题翻译： BLOCK WEISER自适应统计数据压缩
公开(公告)号：EP1057269B1
公开(公告)日：2003-02-12
申请号：EP99936145.4
申请日：1999-02-26
申请人： Research In Motion Limited
发明人： LITTLE, Herb, A. , HIND, Hugh, R.
IPC分类号： H03M7/40 , H03M7/30
CPC分类号： H03M7/40 , H03M7/3086 , H03M7/46
摘要： A block-wise adaptive statistical data compressor is disclosed that operates by replacing characters in a data block with super-character codewords comprising a variable length prefix and a fixed length index. The codewords are determined by treating a plurality of groups of characters as super-character groups and then adapting the codewords, for each data block, based upon the actual frequency of occurrence of the characters in each group. The super-character prefix value identifies the group to which a particular character belongs, and the index value identifies the individual character of the group. By grouping and indexing the characters into these super-character groups, the present invention models a particular data block using a fraction of the information generally required by a fixed statistical compressor. Also disclosed are multi-stage lossless block data compressors that include the block-wise adaptive statistical compressor and also include a clustering stage and a reordering stage. The clustering stage clusters like characters into similar locations within the data block, and the reordering stage reorders the data to generate an expected skew in the frequency distribution of characters in the data block so that the block can be more efficiently compressed by the block-wise adaptive statistical compressor.

6. 发明公开

EP1057269A1 BLOCK-WISE ADAPTIVE STATISTICAL DATA COMPRESSOR 有权
标题翻译： BLOCK WEISER自适应统计数据压缩
公开(公告)号：EP1057269A1
公开(公告)日：2000-12-06
申请号：EP99936145.4
申请日：1999-02-26
申请人： Research In Motion Limited
发明人： LITTLE, Herb, A. , HIND, Hugh, R.
IPC分类号： H03M7/40 , H03M7/30
CPC分类号： H03M7/40 , H03M7/3086 , H03M7/46
摘要： A block-wise adaptive statistical data compressor is disclosed that operates by replacing characters in a data block with super-character codewords comprising a variable length prefix and a fixed length index. The codewords are determined by treating a plurality of groups of characters as super-character groups and then adapting the codewords, for each data block, based upon the actual frequency of occurrence of the characters in each group. The super-character prefix value identifies the group to which a particular character belongs, and the index value identifies the individual character of the group. By grouping and indexing the characters into these super-character groups, the present invention models a particular data block using a fraction of the information generally required by a fixed statistical compressor. Also disclosed are multi-stage lossless block data compressors that include the block-wise adaptive statistical compressor and also include a clustering stage and a reordering stage. The clustering stage clusters like characters into similar locations within the data block, and the reordering stage reorders the data to generate an expected skew in the frequency distribution of characters in the data block so that the block can be more efficiently compressed by the block-wise adaptive statistical compressor.

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