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Class Information
Number: 714/716
Name: Error detection/correction and fault detection/recovery > Pulse or data error handling > Transmission facility testing > Test pattern with comparison > Loop-back
Description: Subject matter in which the transmission facility is configured so that the receiver shunts the test pattern back to transmitter for comparison at the transmitter.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7404115 |
Self-synchronising bit error analyser and circuit |
Jul. 22, 2008 |
| 7386767 |
Programmable bit error rate monitor for serial interface |
Jun. 10, 2008 |
| 7380152 |
Daisy chained multi-device system and operating method |
May. 27, 2008 |
| 7373577 |
CAN system |
May. 13, 2008 |
| 7366964 |
Method, system, and apparatus for loopback entry and exit |
Apr. 29, 2008 |
| 7346819 |
Through-core self-test with multiple loopbacks |
Mar. 18, 2008 |
| 7337377 |
Enhanced loopback testing of serial devices |
Feb. 26, 2008 |
| 7325180 |
System and method to test integrated circuits on a wafer |
Jan. 29, 2008 |
| 7310754 |
Integrated test circuit, a test circuit, and a test method for performing transmission and reception processing to and from a first and a second macro block at a first frequency |
Dec. 18, 2007 |
| 7287201 |
Data transmission apparatus and method |
Oct. 23, 2007 |
| 7280302 |
Disk drive using loopback to calibrate transmission amplitude |
Oct. 9, 2007 |
| 7275195 |
Programmable built-in self-test circuit for serializer/deserializer circuits and method |
Sep. 25, 2007 |
| 7272756 |
Exploitive test pattern apparatus and method |
Sep. 18, 2007 |
| 7263286 |
Fast testing system for optical transceiver and testing method thereof |
Aug. 28, 2007 |
| 7251765 |
Semiconductor integrated circuit and method for testing a semiconductor integrated circuit |
Jul. 31, 2007 |
| 7231558 |
System and method for network error rate testing |
Jun. 12, 2007 |
| 7216269 |
Signal transmit-receive device, circuit, and loopback test method |
May. 8, 2007 |
| 7203460 |
Automated test of receiver sensitivity and receiver jitter tolerance of an integrated circuit |
Apr. 10, 2007 |
| 7203872 |
Cache based physical layer self test |
Apr. 10, 2007 |
| 7191371 |
System and method for sequential testing of high speed serial link core |
Mar. 13, 2007 |
| 7165196 |
Method for testing serializers/de-serializers |
Jan. 16, 2007 |
| 7127648 |
System and method for performing on-chip self-testing |
Oct. 24, 2006 |
| 7117402 |
Background block erase check for flash memories |
Oct. 3, 2006 |
| 7111208 |
On-chip standalone self-test system and method |
Sep. 19, 2006 |
| 7093172 |
System and method for determining on-chip bit error rate (BER) in a communication system |
Aug. 15, 2006 |
| 7082557 |
High speed serial interface test |
Jul. 25, 2006 |
| 7054273 |
Circuit integrity in a packet-switched network |
May. 30, 2006 |
| 7051252 |
Ibist identification loopback scheme |
May. 23, 2006 |
| 7047459 |
Method and system for isolation of a fault location in a communications network |
May. 16, 2006 |
| 7036055 |
Arrangements for self-measurement of I/O specifications |
Apr. 25, 2006 |
| 7032139 |
Bit error rate tester |
Apr. 18, 2006 |
| 7028235 |
Test method and test circuit for electronic device |
Apr. 11, 2006 |
| 7027389 |
Fast failure detection using RTT time considerations on a non-retransmit medium |
Apr. 11, 2006 |
| 7017087 |
Enhanced loopback testing of serial devices |
Mar. 21, 2006 |
| 7010595 |
Apparatus for multi-level loopback test in a community network system and method therefor |
Mar. 7, 2006 |
| 7007209 |
System of testing the upstream cable modem channel |
Feb. 28, 2006 |
| 7000149 |
External loopback test mode |
Feb. 14, 2006 |
| 6993693 |
Analogue/digital interface circuit |
Jan. 31, 2006 |
| 6993689 |
Data transmission apparatus and method |
Jan. 31, 2006 |
| 6981168 |
Clock data recovery system |
Dec. 27, 2005 |
| 6981186 |
Loop diagnostic mode for ADSL modems |
Dec. 27, 2005 |
| 6973600 |
Bit error rate tester |
Dec. 6, 2005 |
| 6957369 |
Hidden failure detection |
Oct. 18, 2005 |
| 6950968 |
System and method for conducting diagnostics in a telecommunications node |
Sep. 27, 2005 |
| 6894977 |
Inverse multiplexing of digital data |
May. 17, 2005 |
| 6892337 |
Circuit and method for testing physical layer functions of a communication network |
May. 10, 2005 |
| 6859900 |
Injection of selected numbers of errors in returned loopback data to provide gray-scale type qantification of loop performance measurements |
Feb. 22, 2005 |
| 6842868 |
Connection integrity monitor for digital selection circuits |
Jan. 11, 2005 |
| 6826156 |
Loopback processing method and apparatus |
Nov. 30, 2004 |
| 6802030 |
Data transfer method |
Oct. 5, 2004 |
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