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Class Information
Number: 370/519
Name: Multiplex communications > Communication techniques for information carried in plural channels > Combining or distributing information via time channels > Synchronizing > Adjusting for phase or jitter > Including delay device > Delay based upon propagation delay time
Description: Subject matter including a measurement of time required for a pulse or a level transition to propagate through a device.

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
5912701 Arrangement for measuring and controlling temporal relationships between channels of a multimedia communication system Jun. 15, 1999
5912886 Digital mobile communication system capable of establishing mutual synchronization among a plurality of radio base stations Jun. 15, 1999
5909447 Class of low cross correlation palindromic synchronization sequences for time tracking in synchronous multiple access communication systems Jun. 1, 1999
5905718 Communication system for multicasting delay-adjusted signals on same radio frequencies to adjoining cells May. 18, 1999
5889765 Bi-directional communications network Mar. 30, 1999
5878032 Delay monitoring of telecommunication networks Mar. 2, 1999
5875208 Delay compensation in a discrete multitone spread spectrum communications system Feb. 23, 1999
5859851 Programmable bit-collision adjustment circuitry for a bi-directional serial communication link Jan. 12, 1999
5844954 Fine resolution digital delay line with coarse and fine adjustment stages Dec. 1, 1998
5838669 Method of synchronizing satellite switched CDMA communication system Nov. 17, 1998
5828659 Time alignment of transmission in a down-link of CDMA system Oct. 27, 1998
5825821 Hitless switch device and method of switching between different paths Oct. 20, 1998
5825760 Transmission method and a cellular radio system Oct. 20, 1998
5818890 Method for synchronizing signals and structures therefor Oct. 6, 1998
5812618 SRTS clock recovery system implementing adaptive clock recovery techniques Sep. 22, 1998
5793772 Method and apparatus for synchronizing timing of components of a telecommunication system Aug. 11, 1998
5745484 Efficient communication system using time division multiplexing and timing adjustment control Apr. 28, 1998
5745492 Speech information freeze-out control method and equipment in mobile satellite communication system Apr. 28, 1998
5740200 Apparatus for measuring transmission time utilized for data collection system Apr. 14, 1998
5721738 Data transmission method, system, and apparatus Feb. 24, 1998
5697051 Method for coordinating propagation delays in a satellite linked simulcast network using a benchmark station Dec. 9, 1997
5668804 Base station with time-aligned mobile transmitting moments according to distance to base station Sep. 16, 1997
5659545 Apparatus for mobile unit acquisition in a satellite communication system and method therefor Aug. 19, 1997
5657323 Method and apparatus for signal transmission in a communication system Aug. 12, 1997
5654960 Time division multiple access digital transmission system, and a station for use in such a system Aug. 5, 1997
5640396 Apparatus and method for synchronizing a rural wireless fixed access unit into a TDMA system Jun. 17, 1997
5623483 Synchronization system for networked multimedia streams Apr. 22, 1997
5475690 Delay compensated signal propagation Dec. 12, 1995
5406559 Isochronous link protocol Apr. 11, 1995
5390039 Optical network for detecting collisions based on the reflection of a transmitting signal Feb. 14, 1995
5384780 High speed modem, method and system for achieving synchronous data compression Jan. 24, 1995
5379299 High speed propagation delay compensation network Jan. 3, 1995
5363373 Digital mobile station using presettable timeslot counter for compensating for propagation delay time Nov. 8, 1994
5363376 Method and apparatus for synchronizing timing among radio ports in wireless communications systems Nov. 8, 1994
5363375 Method and apparatus for synchronizing timing among radio ports in wireless communications systems using hierarchical scheme Nov. 8, 1994
5359602 Multiport-multipoint digital data service Oct. 25, 1994
5351239 Digital data transmission system Sep. 27, 1994
5317571 Method for determining the transmission time between remote and central terminal stations in a point-to-multipoint bidirectional transmission network May. 31, 1994
5278832 Method and apparatus for controlling the timing within a transceiver Jan. 11, 1994
5251210 Method and apparatus for transforming low bandwidth telecommunications channels into a high bandwidth telecommunication channel Oct. 5, 1993
5197062 Method and system for simultaneous analysis of multiplexed channels Mar. 23, 1993
5195091 Adaptive synchronization arrangement Mar. 16, 1993
5128925 Process for the pseudo-synchronization of a time multiplexing communication network and uses thereof Jul. 7, 1992
5123100 Timing control method in a common bus system having delay and phase correcting circuits for transferring data in synchronization and time division slot among a plurality of transferring units Jun. 16, 1992
5051991 Method and apparatus for efficient digital time delay compensation in compressed bandwidth signal processing Sep. 24, 1991
5051979 Method and apparatus for errorless switching Sep. 24, 1991
5051990 Phase adjustment circuit Sep. 24, 1991
5043982 Multichannel multipoint network using time-division multiplexing incorporating a time offset for propagation delay Aug. 27, 1991
4998262 Generation of topology independent reference signals Mar. 5, 1991
4943963 Data collection and transmission system with real time clock Jul. 24, 1990

1 2 3 4 5 6 7

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