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1.发明公开
公开(公告)号：EP1175780A4
公开(公告)日：2006-09-27
申请号：EP00912199
申请日：2000-03-08
Applicant: MOTOROLA INC
Inventor： BURKE TIMOTHY M , FULLER GREGORY W
CPC classification number: H04M7/0069 , H04M1/723 , H04M1/725 , H04M3/005 , H04M3/42323 , H04M3/46 , H04M3/465 , H04M9/022
Abstract: An adapter (42) for connecting a telephone (52) to a telephone wire (40) has a subscriber line interface circuit (SLIC 113) with a jack for connecting a telephone to the SLIC, a line interface (110) for coupling to a telephone line, a signaling circuit (111) coupled to the line interface for receiving and providing subscriber line signaling on the telephone line, a codec (112) coupled to the SLIC, performing a voice coding/decoding function; and a timing circuit (202) for time multiplexing and demultiplexing of digitized voice signals between the SLIC and the line interface.
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公开(公告)号：AU1232401A
公开(公告)日：2001-05-14
申请号：AU1232401
申请日：2000-10-26
Applicant: MOTOROLA INC
Inventor： BURKE TIMOTHY M , CORRIGAN RICHARD J
Abstract: A system (10) and method for packet telephony power management of a cable distribution network (20), i.e., a hybrid fiber coax (HFC) communication system, for internet protocol (IP) packet telephony information between multiple cable modem subscriber units (16,18) communicated over a public switch telephone network (PSTN) (32) with at least one router (28), e.g., a cable modem termination system (CMTS) on a communication network backbone. Power management is provided to minimize power consumption on the IP telephony distribution system (10) supporting line-powered cable-modem subscriber units (16). The power saving techniques are supported using a virtual broadcast channel (VBC) (62) provided in the packet telephony system using an alert queue (60). The alert queue (60) is established and segmented into a plurality of phases for selective activation, each phase having memory buffers for buffering packet telephony information communicated via the CMTSs (28). The multiple cable modem subscriber units (16,18) are divided into a plurality of alert phase groups, each alert phase group being associated with one of the plurality of phases of the alert queue. The VBC (62) may then be provided between the CMTS (28) and the subscriber units (16,18) for transmitting control information.
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公开(公告)号：BR9802877A
公开(公告)日：1999-11-03
申请号：BR9802877
申请日：1998-01-30
Applicant: MOTOROLA INC
Inventor： NEWLIN DOUGLAS J , BURKE TIMOTHY M
Abstract: An apparatus (300, 400) and method are provided for multimedia communications, such as for video conferencing. One of the embodiments of the apparatus for multimedia input and control (300) includes a video input (310) to produce an input video signal; an audio input (320) to produce an input audio signal; a radio frequency modulator (350); a data/control input (330) to produce an input data signal; and a processor arrangement (360) responsive when operably coupled, through a set of program instructions, to produce a first processor signal to the radio frequency modulator to combine the input video signal with the input audio signal to form a composite audio/video signal, and the processor arrangement (360) further responsive to modulate the input data signal to form a modulated input data signal and produce a second processor signal to the radio frequency modulator to combine the input video signal with the modulated input data signal to form a combined video/data signal.
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公开(公告)号：BR9704738A
公开(公告)日：1999-01-26
申请号：BR9704738
申请日：1997-09-18
Applicant: MOTOROLA INC
Inventor： NEWIN DOUGLAS J , BURKE TIMOTHY M
Abstract: A video access apparatus (110, 150, 750, 850) provides for audio and video teleconferencing and telephony via a first communication channel (103) coupled to a primary station (105) having communication with a network (140), such as the public switched telephone network or an ISDN network. The video access apparatus (110) includes a video network interface (210); a radio frequency modulator/demodulator (205); a user interface (215); and a processor arrangement (190). A videophone apparatus (700, 800) is coupleable to a video access apparatus via a second communication channel for video reception and transmission, and via a third communication channel for audio reception and transmission. The videophone apparatus includes a video monitor (715), a camera interface (235), a video camera (720), and a telephony module (710). Multiple videophone apparatuses (700, 800) may be used simultaneously, and multiple video signals from the videophone apparatuses (700, 800) may be multiplexed and combined into one composite video signal for transmission to the network (140).
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公开(公告)号：BR9704107A
公开(公告)日：1999-01-26
申请号：BR9704107
申请日：1997-07-28
Applicant: MOTOROLA INC
Inventor： MANNETTE MICHAEL R , STEINBRENNER KURT , BURKE TIMOTHY M
Abstract: A telephony system having automatic timing adjustment for diverse routing of HFC systems has a signal stream routing through a signal line loop between a head-end and at least one communication unit. If a fault occurs within the signal line loop, recognized by the head-end when a short uplink burst from the communication unit does not align within a predetermined timing window, the head-end will cycle through predetermined delay parameters corresponding to various alternate signal line loops made up of redundant signal lines. Once the predetermined delay parameter corresponding to the current alternate signal line loop is determined, normal operation of the system resumes.
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Patent Agency Ranking
公开(公告)号：AU4894297A
公开(公告)日：1998-04-24
申请号：AU4894297
申请日：1997-10-01
Applicant: MOTOROLA INC
Inventor： BURKE TIMOTHY M , NEWLIN DOUGLAS
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公开(公告)号：AU689057B2
公开(公告)日：1998-03-19
申请号：AU1430897
申请日：1996-12-21
Applicant: MOTOROLA INC
Inventor： BURKE TIMOTHY M
Abstract: A control unit (102) efficiently decodes burst signal transmissions in a TDMA-based telecommunication system (100) by decimating down the number of samples requiring processing during symbol detection. The control unit (102) includes a sampling receiver (304) that inputs burst signals from cable access units, converts them to a pair of baseband quadrature signals, I and Q. The sampling receiver (304) also includes an A/D converter (314) that samples the I and Q signals at preferably four times the symbol rate. A digital signal processor circuit (306) produces a timing error signal for substantially all of the samples. The digital processor circuit (306) also accumulates a timing error sum for each of the four samples. The processor circuit (306) selects the optimum sample as the sample between the samples having the largest positive and negative error sums. The processor circuit (306) also includes a pi /4-DQPSK differential detector that processes the optimum sample of each symbol for symbol detection.
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公开(公告)号：DE19681175T1
公开(公告)日：1998-02-05
申请号：DE19681175
申请日：1996-11-01
Applicant: MOTOROLA INC
Inventor： CORRIGAN RICHARD , MUELLER BRUCE D , BURKE TIMOTHY M
IPC: H04H20/78 , H04H60/94 , H04H60/97 , H04L7/04 , H04L12/28 , H04N7/173 , H04N7/10 , H04H1/00 , H04J3/24
Abstract: A method and apparatus in a communications system (100) for providing communications units (134) access to the communications system (100). The communications. system (100) includes a cable distribution network (106) with an base communications unit (102) and a number of downstream communications units (134) all connected to the cable distribution network (106). A plurality of channels are used to transmit data between the base communications unit (102) and the downstream communications units (134). A first set of channels are used primarily for access the communications system (100) and a second set of channels are used for transmitting data within the communications system (100) after access to the communications system (100) has been gained. The base communications unit (102) sends a first type of data transmission including an identification of access channels used for requesting access to the communications system (100). The base communications unit (102) assigns channels within the second set of channels response to receiving a request for access to the communications system (100) on the first set of channels. A mechanism also is provided for handling collisions in transmissions between the downstream communications units (134) to the base communications unit (102) in attempting to gain access to the communications system (100).
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公开(公告)号：DE19681172T1
公开(公告)日：1998-01-22
申请号：DE19681172
申请日：1996-11-05
Applicant: MOTOROLA INC
Inventor： BURKE TIMOTHY M , MANNETTE MICHAEL , BAHARY ROB
Abstract: A method for synchronizing timing of signal transmissions in a telecommunication system (100) determines a "fixed portion" (222) of the propagation delay between the central unit (102) and subscribers (206, 208) in a particular node (202). Additionally, the method determines a 'variable portion' (226) of the propagation delay that accounts for the variation of spacing of different subscribers (e.g., homes (206, 208)) on a particular node (202). The preferred method offsets the control unit's (102) receiving window (410) in accordance with the fixed portion, and directs the various subscriber units (206, 208) to offset the timing of signals (314, 322) (i.e., bursts of data) that they transmit by the variable portion (226).
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公开(公告)号：CA1251517A
公开(公告)日：1989-03-21
申请号：CA495344
申请日：1985-11-14
Applicant: MOTOROLA INC
Inventor： BURKE TIMOTHY M , SMITH PAUL F , SCHORMAN ERIC R
Abstract: In accordance with the present invention, there is provided a register-modelled radio system comprising a plurality of register-modelled processors having addressable registers for modelling the virtual state of the processor; a serial bus, interconnecting the registermodelled processors for communicating between the addressable registers; and a communications protocol for passing said information to or from said addressable registers, whereby the virtual state of said radio portion may be determined or altered by, respectively, communicating information from or to said addressable register means. The communications protocol further comprises information packet having an address, an operation code, optional data, and an error detection device, such as a cyclical redundancy check packet. The operation code is chosen from the group of primitive operation codes reset, read, write, bit set, bit clear, acknowledge, and negative acknowledge.
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