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Automatic Adjustment



No:4757530
Adaptive hybrid
No:3973089
Adaptive hybrid circuit
No:6298046
Adjustable balancing circuit for an adaptive hybrid and method of adjusting the same
No:6477250
Adjustable hybrid having dial tone alignment configuration
No:7072463
Apparatus and method for programmable line interface impedance matching
No:4320498
Auto balancing duplexer for communication lines
No:5333194
Autoequalizing bidirectional-to-unidirectional hybrid network
No:6694017
Automatic gain control apparatus determining echo return loss
No:5459440
Automatic impedance matching with potential monitoring means
No:5557672
Channel interface unit
No:6801621
Circuit and method for active termination of a transmission line interface
No:5271060
Circuitry for interfacing telecommunications equipment to a communication channel
No:6477249
Communications signal splitter and filter
No:3622708
Conference circuit
No:7006625
Cordless telephone-to-sound card interface adapter with hybrid transformer and control circuit
No:5333196
Current limiting battery feed arrangement
No:6823066
Digital access arrangement circuitry and method having current ramping control of the hookswitch
No:6735302
Dsp based slic architecture with current-sensing voltage synthesis impedance matching and dc feed control
No:6069950
Dual-limit current-limiting battery-feed circuit for a digital line
No:6262655
Emergency reporting system and terminal apparatus therein
No:5287406
Hybrid circuit having a two-wire/four-wire converting function
No:5515434
Impedance setting circuit for a slic
No:5182550
Inter-network connection system
No:5333192
Line interface circuit
No:5202919
Metallic channel unit network
No:5953412
Method and apparatus for controlling line conditioner equalizer
No:6542605
Method and arrangement for choosing supply voltage
No:6990190
Method and system for remote telephone calibration
No:5734713
Method and system for remote telephone calibration
No:6453042
Method and system for remote telephone calibration
No:6628779
Method and system for scaleable near-end speech cancellation for tip and ring tone signal detectors
No:6111949
Method of rapid automatic hybrid balancing
No:3703610
Party-line bridge-lifter
No:6742170
Repeatable swizzling patterns for capacitive and inductive noise cancellation
No:5828589
Self-adaptive trans-hybrid balance filter
No:5249225
Self-balancing hybrid using digitally programmable attenuator for variable impedance elements
No:5892823
Smart interface technology
No:5329585
Subscriber line interface circuit for controlling ac and dc output impedance
No:5138658
Subscriber line interface circuit providing regulated current
No:3955052
Subscriber unit particularly useful for time-division-multiplex system
No:6445791
System and methods for modem interface
No:4899382
Telephone circuit using dc blocked transformer and negative impedance technique
No:5461671
Telephone line power utility circuit
No:5506900
Temperature compensation for trans-hybrid loss in a miniaturized data access arrangement
No:4203009
Unbalanced/balanced converter circuits

# 45 




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