| Patent Number |
Title Of Patent |
Date Issued |
| D408398 |
Cellular telephone |
April 20, 1999 |
|
| 6449356 |
Method of multi-media transaction processing |
September 10, 2002 |
| A method and apparatus are provided for processing multi-media telecommunication transactions by a call processing center. The method includes the steps of detecting a call of the multi-media telecommunication transactions by a host computer of the call processing center and transfer |
| 6449286 |
R2 multi-frequency compelled signalling using a DSP on a network termination card |
September 10, 2002 |
| A method and apparatus are provided for processing signals received on a R2 multifrequency compelled signalling subscriber channel within a telephone switch. The method includes the steps of disposing a digital signal processor within the telephone switch between an inbound path of the R |
| 6295354 |
Method for incoming call answering for automatic call distributors |
September 25, 2001 |
| A method and apparatus are provided for accepting a call by an automatic call distributor from a public switch telephone network. The method includes the steps of determining an average call wait time between arrival of the call on a trunk line of the automatic call distributor from |
| 6285672 |
Method and system for achieving improved data transmission through the public switched telephone |
September 4, 2001 |
| The present invention comprises a smart subscriber line interface card (SLIC). The SLIC of the present invention includes a first and a second switch. A data receiver is coupled to a first output of the first switch to receive a user output signal and is adapted to generate a data receiv |
| 6233333 |
CTI integration of telephonic calls moved between switches of an automatic call distributor |
May 15, 2001 |
| An apparatus and method are provided for identifying a call record of a telephone call to be moved from a source automatic call distributor to a destination automatic call distributor. The call record is of a type having been previously stored under a call identifier of the source au |
| 6122161 |
Circuit board assembly |
September 19, 2000 |
| A circuit board assembly (10) having a plurality of circuit board subassemblies (12) having a device (14) for releasably electrically and mechanically connecting the subassemblies (12) into a general configuration of a plane, and said subassemblies (12) having a device (16) for elect |
| 6097806 |
ACD with multi-lingual agent position |
August 1, 2000 |
| A method and apparatus are provided for selecting a language for use by a plurality of agents of an automatic call distributor. The method includes the steps of storing an indication of the selected language in a memory of the automatic call distributor, downloading the indication to eac |
| 6091801 |
Emulator for a telephone system |
July 18, 2000 |
| An emulator (10) for a telephone system having an automatic call distributor (11), a reporting system (12) for receiving information for the call distributor (11) and having at least one output device, and a simulator (20) for supplying simulated information of the call distributor ( |
| 6071809 |
Methods for forming high-performing dual-damascene interconnect structures |
June 6, 2000 |
| Dual damascene methods and structures are provided for IC interconnects which use a dual-damascene process incorporating a low-k dielectric material, high conductivity metal, and an improved hard mask scheme. A pair of hard masks are employed: a silicon dioxide layer and a silicon ni |
| 6061347 |
ACD with packet data based agent interconnect |
May 9, 2000 |
| A method and apparatus for providing a voice path between a customer call connection received from a public switched telephone network at a switch of an automatic call distributor and an agent of the automatic call distributor at a remote location from the automatic call distributor and |
| 6055024 |
Adaptive method for Y-C separation in video signals |
April 25, 2000 |
| An adaptive method and system for processing luma and chroma signals from lines of a video signal. The invention includes an adaptive comb filtering algorithm that determines whether to average lines of video data based on the signal content. If two lines are dissimilar, a simple notch/b |
| 6044145 |
Telecommutable platform |
March 28, 2000 |
| A portable apparatus and method of providing a communication interface between a local agent and an automatic call distributor at a remote location through a first and second path of the public switched telephone network. The apparatus includes a portable enclosure and a voice trance |
| 6038308 |
ISDN primary rate interswitch mail using non-call associated temporary signalling |
March 14, 2000 |
| A method and apparatus for sending interswitch mail within a private automatic call distribution system from a first user to a second user of the automatic call distribution system using non-call associated temporary signalling connections. The method includes the steps of receiving a ma |
| 6014622 |
Low bit rate speech coder using adaptive open-loop subframe pitch lag estimation and vector quan |
January 11, 2000 |
| A pitch lag coding device and method using interframe correlation inherent in pitch lag values to reduce coding bit requirements. A pitch lag value is extracted for a given speech frame, and then refined for each subframe. For every speech frame having N samples of speech, LPC analysis a |
| 6005932 |
Dynamic schedule profiler for ACD |
December 21, 1999 |
| A method and apparatus are provided for scheduling agents supporting operation of an ACD. The method includes the steps of establishing a scheduling period and identifying a plurality of agents to the ACD for supporting the operation of the ACD during the scheduling period. The metho |
| 5986691 |
Cable modem optimized for high-speed data transmission from the home to the cable head |
November 16, 1999 |
| A cable modem provides upstream data signals in a cable system on a return channel. The upstream data signals are provided in a 50-550 MHz frequency range and yet do not affect the picture quality associated with conventional cable television signals. The data is provided on vestigial |
| 5945848 |
Effectively differential, multiple input OR/NOR gate architecture |
August 31, 1999 |
| A multiple input, low voltage, OR/NOR gate architecture based on a single-ended OR/NOR gate circuit, wherein a plurality of input transistors are connected in parallel. A reference transistor connects to the input transistors. A feedback means connects the NOR output signal to the base |
| 5937010 |
Sample interpolator and method of generating additional samples of a sampled waveform using a pr |
August 10, 1999 |
| A programmable digital modulator and methods of modulating digital data for transmission by a communication system according to operating parameters selected for various applications are provided. A two-chip system is utilized by a preferred embodiment of the invention. One chip comprise |
| 5935397 |
Physical vapor deposition chamber |
August 10, 1999 |
| A physical vapor deposition chamber assembly is provided for use in depositing metal particles onto a wafer placed inside the chamber assembly. The physical vapor deposition assembly includes a chamber having an opening, and a target containing a desired metal to be deposited on a wa |
| 5923729 |
Automatic tone fault detection system and method |
July 13, 1999 |
| A tone fault detection system is coupled to a telephonic system, such as an automatic call distributor (ACD) via an ISDN communication link. The ACD includes a multiport switch with a plurality of ports on which tones and messages are provided, and a basic rate line interface device coup |
| 5914982 |
Method and apparatus for training linear equalizers in a PCM modem |
June 22, 1999 |
| A pulse code modulation (PCM) modem system employs a relatively white training signal to optimize the adaptive filter coefficients in the receiver equalizers. During the training mode, any line coding or equivalent spectral shaping is disabled to provide a training signal sequence ha |
| 5910983 |
Apparatus and method for identifying records of overflowed ACD calls |
June 8, 1999 |
| A method and apparatus are provided for identifying a call record by a source automatic call distributor to a host computer of a telephone call received from a PSTN and overflowed from the source automatic call distributor to a destination automatic call distributor in a call distrib |
| 5901215 |
Apparatus and method for identifying records of overflowed ACD calls |
May 4, 1999 |
| An apparatus and method are provided for identifying a call record of a telephone call to be overflowed from a source automatic call distributor to a destination automatic call distributor. The call record is of a type having been previously stored under a call identifier of the source |
| 5828955 |
Near direct conversion receiver and method for equalizing amplitude and phase therein |
October 27, 1998 |
| A low cost, high performance near direct conversion FM receiver having a single local oscillator is configured to equalize in-phase and quadrature-phase IF signals. The receiver includes a downconverter and a processor. The downconverter receives an RF signal and downconverts the RF |
| 5822265 |
DRAM controller with background refresh |
October 13, 1998 |
| A DRAM controller refreshers a DRAM having a maximum refresh interval. The DRAM controller measures a time interval after a refresh cycle, monitors a memory request input of the DRAM for an idle period after a measured time interval of substantially less than the maximum refresh interval |
| 5811706 |
Synthesizer system utilizing mass storage devices for real time, low latency access of musical i |
September 22, 1998 |
| A synthesizer system includes a CPU and host memory operating a software routine. The software routine stores a first part of each waveform signal in a sample pool of host memory and provides remaining portions of selected musical sounds from the hard drive to a stream cell array without |
| 5774013 |
Dual source for constant and PTAT current |
June 30, 1998 |
| A multi-purpose current source which provides both a PTAT and a constant current source and which requires only one precision external or laser trimmed resistance. The PTAT constant current circuit includes a differential amplifier having one input coupled to a V.sub.PTAT reference v |
| 5757864 |
Receiver with filters offset correction |
May 26, 1998 |
| The present invention relates to circuitry for a receiver having a low cost filter using automatic alignment of the center frequency of signals input to the filter to suppress noise and out-of-band signals from the filter output over a narrow bandwidth. An RF input signal to the receiver |
| 5710762 |
Frame structure having non-symmetrical slot assignments for mobile communications |
January 20, 1998 |
| An improved frame structure for use in mobile communications systems utilizing slotted protocols is provided. According to the present invention, consecutive slots in a frame are assigned to each mobile unit so that the mobile unit transmits to a base station during the first slot an |
| 5696798 |
Multiple antenna home base for digital cordless telephones |
December 9, 1997 |
| The present invention provides methods for combining antenna diversity and gain control in a communications system using a single chain of receiver electronics. A number of input parameters related to various characteristics of a received signal are used to determine the quality of t |
| 5661762 |
Multiple antenna home base for digital cordless telephones |
August 26, 1997 |
| The present invention provides methods for combining antenna diversity and gain control in a communications system using a single chain of receiver electronics. A number of input parameters related to various characteristics of a received signal are used to determine the quality of t |
| 5648992 |
Multiple antenna home base for digital cordless telephones |
July 15, 1997 |
| The present invention provides methods for combining antenna diversity and gain control in a communications system using a single chain of receiver electronics. A number of input parameters related to various characteristics of a received signal are used to determine the quality of t |
| 5648985 |
Universal radio architecture for low-tier personal communication system |
July 15, 1997 |
| An integrated circuit chip set is provided for use in a radio communication system in which a modulated digital input signal is processed for transmission and a modulated signal received from an antenna is processed to provide an output signal, wherein the modulation of the signals is |