US Patent No: 7,729,617
Number of patents in Portfolio can not be more than 2000
Flexible, dense line card architecture
ALSO PUBLISHED AS:
20040033079
Stats
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Jun 1, 2010
Issued date -
Jun 4, 2003
filing date -
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10/455,774
serial no -
Expired
status (Note)
Importance
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Abstract
The invention is relevant to optical fiber transmission systems, and in particular, pertains to the transceiver cards in an optical fiber transport system. In particular the invention teaches an improved transceiver card architecture that allows high density, flexibility and interchangeability of functionality.
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First Claim
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International Classification(s)
Cited Art Landscape
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,177,985 Apparatus and method for testing optical fiber system components | 49 | 1997 | |
| 6,108,074 Optical switching assembly for testing fiber optic device | 49 | 1997 | |
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| 6,359,729 Optical communication system and component control architectures and methods | 49 | 1999 | |
| * 7,039,067 Methods and systems for hybrid interfaces and architectures for optical communications | 20 | 2001 | |
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| 6,005,702 Optical transmission device, WDM optical transmission apparatus, and optical transmission system using return-to-zero optical pulses | 76 | 1997 | |
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| 6,275,315 Apparatus for compensating for dispersion of optical fiber in an optical line | 57 | 1998 | |
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| * 6,996,123 Adaptive bit rate transponder | 11 | 2001 | |
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| 6,038,062 Optical amplifier, method of controlling the output light from the optical amplifier, optical transmission system and method of controlling an optical transmission path | 57 | 1998 | |
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| 6,246,510 Light amplification apparatus with automatic monitoring and controls | 49 | 1999 | |
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| 5,778,116 Photonic home area network fiber/power insertion apparatus | 126 | 1997 | |
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| 6,288,811 WDM optical communication system with channels supporting multiple data formats | 45 | 2000 | |
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| 2002/0012,152 Methods and systems for digitally processing optical data signals | 88 | 2001 | |
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| * 5,825,949 Optical wavelength division multiplexer for coupling to data sources and sinks, wherein at least two data sources and sinks operate with different communication protocols | 53 | 1997 | |
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| 6,587,236 Fiber optic errorless switching system | 9 | 2000 | |
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| 6,295,281 Symmetric flow control for ethernet full duplex buffered repeater | 49 | 1997 | |
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| 6,832,052 Optical transponder | 23 | 2000 | |
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| 5,790,285 Lightwave communication monitoring system | 72 | 1996 | |
| 5,940,209 Interactive optical fiber amplifier, system and method | 58 | 1997 | |
| 6,122,095 Wavelength-selective and loss-less optical add/drop multiplexer | 76 | 1997 | |
| 6,317,255 Method and apparatus for controlling optical signal power in response to faults in an optical fiber path | 72 | 1998 | |
| 6,021,245 Method and optical transmission system for compensating dispersion in optical transmission paths | 52 | 1998 | |
| 6,317,231 Optical monitoring apparatus and method for network provisioning and maintenance | 56 | 1998 | |
| 6,198,559 Automatic delay compensation for generating NRZ signals from RZ signals in communications networks | 46 | 1998 | |
| 6,163,636 Optical communication system using multiple-order Raman amplifiers | 116 | 1999 | |
| 6,323,950 Chromatic dispersion measurement for optical components | 45 | 1999 | |
| * 7,155,130 NRZ-to-RZ conversion for communication systems | 3 | 2002 | |
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| 5,613,210 Telecommunication network for transmitting information to a plurality of stations over a single channel | 41 | 1995 | |
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| 6,288,813 Apparatus and method for effecting data transfer between data systems | 44 | 1998 | |
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| 6,160,614 Method, apparatus and computer program product for classification of measured data from multi-core optical fiber | 40 | 1999 | |
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| * 2003/0043,432 Optical transponder | 7 | 2002 | |
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| 6,259,554 Optical amplifier repeater system | 44 | 1999 | |
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| * 6,975,642 Optoelectronic device capable of participating in in-band traffic | 10 | 2001 | |
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| 4,710,022 Method and apparatus for measuring chromatic dispersion coefficient | 47 | 1984 | |
| 5,299,048 Optical amplifier and optical communication system provided with the optical amplifier | 71 | 1992 | |
| 5,737,118 Optical amplifying apparatus | 63 | 1996 | |
| 5,877,881 Optical transmission system | 66 | 1996 | |
| 5,936,753 Optical network system | 44 | 1997 | |
| 6,081,360 Method and apparatus for optimizing dispersion in an optical fiber transmission line in accordance with an optical signal power level | 73 | 1998 | |
| 6,259,553 Optical communication system and optical amplifier | 57 | 1998 | |
| 6,307,656 Bi-directional wavelength switching device and wavelength demultiplexing/multiplexing device | 39 | 2001 | |
| 6,388,801 Optical amplification apparatus utilizing Raman amplification and controlling method thereof | 72 | 2001 | |
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| 6,151,334 System and method for sending multiple data signals over a serial link | 114 | 1998 | |
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| 2002/0172,293 Non-zero complex weighted space-time code for multiple antenna transmission | 21 | 2001 | |
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| 6,226,296 Metropolitan area network switching system and method of operation thereof | 54 | 1997 | |
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| 5,559,625 Distributive communications network | 69 | 1995 | |
| 5,963,350 Optical telecommunications network | 76 | 1996 | |
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| 2003/0161,351 Synchronizing and converting the size of data frames | 13 | 2002 | |
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| 6,157,477 Bidirectional dispersion compensation system | 55 | 1998 | |
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| * 7,164,692 Apparatus and method for transmitting 10 Gigabit Ethernet LAN signals over a transport system | 28 | 2003 | |
| * 2006/0002,419 Apparatus and method for transmitting 10 Gigabit Ethernet LAN signals over a transport system | 24 | 2005 | |
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| 5,903,613 Data reception device, data reception method and electronic equipment | 48 | 1997 | |
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| * 6,430,201 Method and apparatus for transporting gigabit ethernet and fiber channel signals in wavelength-division multiplexed systems | 52 | 1999 | |
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| 6,519,082 Apparatus and method for a self-adjusting Raman amplifier | 56 | 2002 | |
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| 4,636,859 Didon digital demodulator | 38 | 1985 | |
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| * 6,915,036 Field reconfigurable line cards for an optical transport system | 7 | 2002 | |
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| * 6,895,190 Switchable bandwidth lowpass filter | 8 | 2000 | |
| * 2002/0114,047 Cascaded RZ and NRZ laser modulators having RZ/NRZ phase alignment bias control | 10 | 2001 | |
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| 6,259,693 Cell combination to utilize available switch bandwidth | 68 | 1997 | |
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| 6,229,599 Apparatus for measuring characteristics of an optical fiber | 58 | 1999 | |
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| 6,173,094 Optical-transmission system having a split-gain amplifier and a signal-modifying device | 43 | 1999 | |
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| 6,567,413 Optical networking module including protocol processing and unified software control | 28 | 2001 | |
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| 6,327,060 Optical transmission system, optically branching apparatus and optical signal processing apparatus | 44 | 1998 | |
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| * 7,295,783 Digital optical network architecture | 16 | 2002 | |
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| 5,812,290 Optical switching unit and control method for same | 51 | 1996 | |
| 6,078,414 Optical transmitter system | 48 | 1997 | |
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| 7,167,648 System and method for an ethernet optical area network | 8 | 2001 | |
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| 5,225,922 Optical transmission system equalizer | 165 | 1991 | |
| 5,321,541 Passive optical communication network with broadband upgrade | 100 | 1992 | |
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| 5,455,703 Fiber optic transceiver with integrated coupler | 69 | 1993 | |
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| 6,236,481 Method and apparatus for providing loss equalization and adjustment in a fiber optic network | 56 | 1999 | |
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| * 7,099,584 Advanced error correcting optical transport network | 13 | 2002 | |
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| 5,267,071 Signal level control circuitry for a fiber communications system | 63 | 1991 | |
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| 6,654,383 Multi-protocol agile framer | 31 | 2002 | |
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| 6,356,384 Broadband amplifier and communication system | 99 | 2000 | |
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| 6,775,799 Protocol independent performance monitor with selectable FEC encoding and decoding | 18 | 2000 | |
| 6,782,009 Multi-port data arbitration control | 12 | 2000 | |
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| * 7,209,667 Methods of connecting and testing interfaces for CWDM fiber-optic systems | 23 | 2001 | |
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| 5,914,794 Method of and apparatus for detecting and reporting faults in an all-optical communications system | 87 | 1996 | |
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| 5,914,799 Optical network | 46 | 1996 | |
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| 6,088,152 Optical amplifier arranged to offset Raman gain | 92 | 1999 | |
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| 5,726,784 WDM optical communication system with remodulators and diverse optical transmitters | 98 | 1996 | |
| 6,163,392 Distributed intelligence wavelength division multiplexed network | 63 | 1997 | |
| 6,259,845 Dispersion compensating element having an adjustable dispersion | 47 | 1998 | |
| 6,236,499 Highly scalable modular optical amplifier based subsystem | 74 | 1999 | |
| 6,084,694 WDM optical network with passive pass-through at each node | 125 | 1999 | |
| * 6,618,176 Remodulating channel selectors for WDM optical communication systems | 9 | 2001 | |
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| 6,301,340 Mechanism for providing emergency POTS service in event of loss of power to customer premises equipment for ISDN telephone lines | 22 | 1999 | |
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| 6,272,185 Method and apparatus for performing data pulse detection | 42 | 1998 | |
| 6,396,853 Providing data services to telecommunications user terminals | 52 | 1998 | |
| 6,788,681 Virtual private networks and methods for their operation | 113 | 2000 | |
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| 4,535,459 Signal detection apparatus | 127 | 1983 | |
| 5,224,183 Multiple wavelength division multiplexing signal compensation system and method using same | 118 | 1992 | |
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| 6,678,527 Multimedia and multiservice calls in mobile network | 15 | 2000 | |
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| * 2003/0067,655 Methods and systems for integrated IP routers and long haul/ultra long haul optical communication transceivers | 25 | 2001 | |
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| 2001/0005,271 Device for applying time-delays to optical signals | 33 | 2000 | |
| * 6,952,534 System and method for generating return-to-zero (RZ) optical data in a digital lightwave communications system | 7 | 2001 | |
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| * 2003/0002,118 Methods and apparatus for locking the phase between clock and data in return-to-zero modulation format | 11 | 2001 | |
| * 2002/0141,013 Integrated optical networking transport/switching architecture | 7 | 2001 | |
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| 7,245,633 Multiplexing method for gigabit ethernet signals in the synchronous digital hierarchy | 15 | 2000 | |
| * 6,904,237 Circuit for measurement of the signal quality in digital optical fiber transmission networks by interpreting the signal histogram | 6 | 2001 | |
* Cited By Examiner
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 1, 2017 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 1, 2021 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |