Home
Patents
Agents
Assignees
Inventors
Examiners
Contact
Links

Communications

/

Telephonic Communications

/

Hybrid Circuit



No:4798982
Active symmetrical balance hybrid circuit
No:4670870
Adaptive cancellation bridge circuit
No:5974137
Agc amplifier for two-wire line conditioner
No:4381561
All digital lsi line circuit for analog lines
No:6473507
Apparatus and method for isolating transients associated with a digital subscriber line
No:4485277
Apparatus for transmitting and/or receiving balanced signals on a two-wire telecommunication line
No:6041118
Architecture for telephone set
No:5381475
Arrangement for suppressing echoes in a digital portable telephone
No:5450487
Arrangement for the control of an echo canceller
No:4103118
Autobalance hybrid circuit
No:5333194
Autoequalizing bidirectional-to-unidirectional hybrid network
No:6694017
Automatic gain control apparatus determining echo return loss
No:4351060
Automatic, digitally synthesized matching line terminating impedance
No:5822426
Balanced hybrid circuit
No:3934099
Bias, feedback and network arrangements for hybrid circuits
No:5136575
Cancelling circuit and transmission system
No:6801621
Circuit and method for active termination of a transmission line interface
No:5659570
Circuit and method for loopback test and on-hook transmission integrated in a telephone subscriber line interface circuit
No:4128743
Circuit arrangement for blocking a bidirectional amplifier against receiving outgoing signals
No:5038375
Circuit arrangement for preventing gain from responding to frequency variation despite the presence of an isolation transformer
No:5289538
Circuit arrangement for signal and information conversion between analog junction lines and digital terminal devices in communications exchanges
No:6888939
Circuit for joint transmitting voice and data over a telephone line
No:5054062
Circuit for maintaining hybrid cancellation of signals in a communication system
No:5459787
Circuit for the implementation of an impedance for a telephone speech circuit
No:6477249
Communications signal splitter and filter
No:6757383
Compact cable balance network for echo-cancelling, and method for optimizing transhybrid loss and method and apparatus for circuit simulation
No:5541990
Compensated hybrid
No:7006625
Cordless telephone-to-sound card interface adapter with hybrid transformer and control circuit
No:5333196
Current limiting battery feed arrangement
No:5742417
Data access arrangement having improved transmit-receive separation
No:6978013
Device for establishing a galvanically separate connection between a telephone line and a signal processing unit at the subscriber end of the telephone line
No:6973182
Differential echo cancellation receiver with dynamic cancellation of excess dc output current
No:6823066
Digital access arrangement circuitry and method having current ramping control of the hookswitch
No:5459730
Digital added main line system
No:5473613
Digital added main line system
No:7123897
Directional receiver coupling arrangement with frequency selectivity and gain control for dsl
No:6681012
Directional receiver coupling arrangement with frequency selectivity and gain control for dsl
No:6909781
Dsl line tester
No:7330545
Dual transformer hybrid system and method
No:6069950
Dual-limit current-limiting battery-feed circuit for a digital line
No:5426697
Duplex communication coupler system
No:5473686
Echo cancellation apparatus
No:5500892
Echo canceller
No:5408530
Echo cancelling method and echo canceller using the same
No:7139393
Environmental noise level estimation apparatus, a communication apparatus, a data terminal apparatus, and a method of estimating an environmental noise level
No:7386119
Filtered transmit cancellation in a full-duplex modem data access arrangement (daa)
No:4445006
Four-wire conversion circuit for a telephone subscriber line
No:7020276
Frequency sensitive inductance device in pots splitter design
No:7327298
Gigabit ethernet line driver and hybrid architecture
No:5734703
Hybrid circuit and data communication apparatus

Previous123Next # 123 




Browse by classes
Agriculture 
Animals 
Automotives and Transportation 
Business and Commerce 
Chemistry 
Communications 
Construction 
Containers 
Electricity 
Energy 
Engineering 
Entertainment 
Fashion and Accessories 
Food 
Hardware and Tools 
Health and Medicine 
Home 
Industrial 
Information Technology 
Machines 
Materials and Material Science 
Miscellaneous 
Optics 
Outdoors 
Paper and Office Materials 
Physics 
Sanitation 
Technology 
Textiles 
Weaponry 

Advertisements

© 2013 Patentsmania.com | viewweather.com | tubelyrics.org | lyricsinfo.org | getacd.es | getamovie.org | getalyric.com | carpati.org | getamap.net | ro | 0.0097s