Month of July 2002

A customer wants to manage the encryption keys for two or more secure voice/data communica- tion groups or Crypto-Groups in an Association of Public-safety Communication Officers, Project 25 (APCO-25) system. A system administrator would assign a set of encryption keys or keyset to each group. Each keyset is...

This paper presents a stable quasi-explicit inte- gration for nonlinear transient analysis. This algo- rithm is a generalization of the Adaptively Controlled Explicit Simulation (ACES) algorithm [l]. The method retains the efficiency and numeri- cal stability properties of ACES. Moreover, the method is flexible in the...

Often DTMF responses are needed while on- line with a handheld telephony device (cellular or cordless phone). In order to enter these responses the device must be removed from the ear, moved within the line of sight and DTMF keypad digits pressed. Due to the movement and rapid response of the device connected at the...

An operational sequence for entering and stor- applicable depending on the capabilities of the ing custom musical alerts in a pager using a limited pager. For example, a pager with a one-line display display size and limited number of buttons is will have a more limited user interface than a pager described below....

LC Projection TV - Quadratic management of 2 colors with one matrix double-modulator.

To reduce cost of 3 LCOS-Optical Engine for rear-projection TV, systems with only 2 panels was developed. These systems are based on use of a sequential color component like a ColorWheel or a ColorSwitch (a ColorLinkTM color panel selector). During one half frame only 2 colors are displayed whereas during the 2nd half...

In a WLAN system used for voice communication, bandwidth could become limited because of the loading of many users. Users may experience degraded one-to-many dispatch performance if the bandwidth is no longer available to enable continuity of conversation. In particular, a first user would key up and transmit to...

Today's wireless systems must provide reliable data services. For wired links, reliability is traditionally obtained thanks to repetition. A packet is retransmitted when the previous attempt was unsuccessful. Such mechanism is named ARQ (Automatic Repeat Request). In the case of wireless transmissions, because of the...

Disclosed is a method for a thermo-compression bonding process with ultrasonic feedback imaging. Benefits include improved product reliability.

Pagers are being adapted to offer various forms of advertising. The most common form of advertis- ing is administered by a paging service provider who sends a variety of graphical or text advertise- ments to pager users who have subscribed to the advertising service, and then assigns additional attributes to each...