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Your search returned 113 patents.
( 375/221 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 6072825 | Noncooperative feedback system and method for a compensation system associated with transmitter or codec
| September 23, 1997 |
| 6061391 | Error indicator, and data modulator-demodulator and indicating method of light emitter therein
| October 2, 1997 |
| 6052409 | Device and method for generating and detecting tones in a digital data communications device
| April 30, 1997 |
| 6006073 | Apparatus and method for improvement of transmission quality in a point-to-multipoint radio transmission system
| November 10, 1997 |
| 6005890 | Automatically adjusting communication system
| August 7, 1997 |
| 5999564 | System and method for iteratively determining quantization intervals of a remote ADC and modem employing the same
| March 31, 1997 |
| 5987060 | System and method of radio communications with an up-down digital signal link
| June 13, 1997 |
| 5974078 | Modulated spread spectrum in RF identification systems method
| February 13, 1997 |
| 5956370 | Wrap-back test system and method
| January 17, 1996 |
| 5953372 | Loopback transmission testing in a communications device
| December 13, 1996 |
| 5912921 | Concurrent multiple data rate communications in a wireless local area network
| August 20, 1997 |
| 5910979 | Method for billing local communication services provided by an interexchange communication network
| October 20, 1997 |
| 5909463 | Single-chip software configurable transceiver for asymmetric communication system
| November 4, 1996 |
| 5878031 | Loopback mechanism for frame relay OAM
| November 18, 1997 |
| 5870428 | Method for providing remote loop back testing in a digital data system having multiple protocols
| December 4, 1995 |
| 5856999 | Apparatus and method for data transmission on bonded data channels of a communications network utilizing a single serial communications controller
| January 24, 1996 |
| 5854816 | Loop back device of packet communication T1 network
| October 14, 1997 |
| 5850416 | Wireless transmitter-receiver information device
| September 16, 1997 |
| 5848098 | Personal base station extension calling arrangement
| July 9, 1996 |
| 5828695 | QAM system in which the constellation is modified in accordance with channel quality
| February 18, 1994 |
| 5787114 | Loop-back test system and method
| January 17, 1996 |
| 5784405 | Noncooperative feedback system and method for a compensation system associated with a transmitter or CODEC
| August 23, 1996 |
| 5768309 | Unified trellis encoder
| October 21, 1994 |
| 5636246 | Multicarrier transmission system
| November 16, 1994 |
| 5619525 | Closed loop power control for low earth orbit satellite communications system
| June 6, 1995 |
| 5604768 | Frequency synchronized bidirectional radio system
| December 21, 1994 |
| 5574726 | Inter-repeater backplane
| January 30, 1995 |
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