CA1054258A - Communication line test apparatus - Google Patents
Communication line test apparatusInfo
- Publication number
- CA1054258A CA1054258A CA241,754A CA241754A CA1054258A CA 1054258 A CA1054258 A CA 1054258A CA 241754 A CA241754 A CA 241754A CA 1054258 A CA1054258 A CA 1054258A
- Authority
- CA
- Canada
- Prior art keywords
- digital
- analog
- analog signal
- communication channel
- signals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 59
- 238000004891 communication Methods 0.000 title claims abstract description 44
- 230000006854 communication Effects 0.000 title claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000003111 delayed effect Effects 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 14
- 230000006870 function Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000015654 memory Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- WJCNZQLZVWNLKY-UHFFFAOYSA-N thiabendazole Chemical compound S1C=NC(C=2NC3=CC=CC=C3N=2)=C1 WJCNZQLZVWNLKY-UHFFFAOYSA-N 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/532,746 US4001559A (en) | 1974-12-16 | 1974-12-16 | Programmable measuring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1054258A true CA1054258A (en) | 1979-05-08 |
Family
ID=24122998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA241,754A Expired CA1054258A (en) | 1974-12-16 | 1975-12-15 | Communication line test apparatus |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4001559A (enExample) |
| JP (1) | JPS5192641A (enExample) |
| BE (1) | BE836701A (enExample) |
| CA (1) | CA1054258A (enExample) |
| DE (1) | DE2556600A1 (enExample) |
| ES (1) | ES443520A1 (enExample) |
| FR (1) | FR2295651A1 (enExample) |
| IT (1) | IT1050777B (enExample) |
| NL (1) | NL7514443A (enExample) |
| SE (1) | SE7514222L (enExample) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4105995A (en) * | 1976-06-16 | 1978-08-08 | Hewlett-Packard Company | Digitally controlled transmission impairment measuring apparatus |
| US4112414A (en) * | 1977-01-03 | 1978-09-05 | Chevron Research Company | Host-controlled fault diagnosis in a data communication system |
| DE2723705C2 (de) * | 1977-05-26 | 1982-12-09 | Rohde & Schwarz GmbH & Co KG, 8000 München | Prüf- und Überwachungseinrichtung für Hochfrequenz-Nachrichtenanlagen |
| DE2819776A1 (de) * | 1978-05-05 | 1979-11-15 | Teradyne Inc | Verfahren und vorrichtung zur pruefung einer elektrischen leitung |
| FR2430621A1 (fr) * | 1978-07-03 | 1980-02-01 | Teradyne Inc | Dispositif de test de lignes telephoniques |
| US4301536A (en) * | 1979-12-28 | 1981-11-17 | Bell Telephone Laboratories, Incorporated | Multitone frequency response and envelope delay distortion tests |
| US4273970A (en) * | 1979-12-28 | 1981-06-16 | Bell Telephone Laboratories, Incorporated | Intermodulation distortion test |
| IT1128762B (it) * | 1980-02-20 | 1986-06-04 | Cselt Centro Studi Lab Telecom | Circuito per diagnosi di reti di connessione pcm |
| US4316259A (en) * | 1980-03-18 | 1982-02-16 | Grumman Aerospace Corporation | Programmable function generator |
| US4417337A (en) * | 1981-06-29 | 1983-11-22 | Bell Telephone Laboratories, Incorporated, | Adaptive multitone transmission parameter test arrangement |
| US4633411A (en) * | 1982-12-27 | 1986-12-30 | Rockwell International Corporation | Link quality analyzer |
| IT1192090B (it) * | 1985-06-20 | 1988-03-31 | Flitel Spa | Localizzatore automatico di guasti su linee telefoniche |
| US4748625A (en) * | 1986-07-28 | 1988-05-31 | Motorola, Inc. | Optimum baud rate transmission system |
| EP0418282A4 (en) * | 1988-06-01 | 1993-04-07 | Standard Telephones And Cables Pty. Limited | Portable call generator |
| US4862492A (en) * | 1988-10-26 | 1989-08-29 | Dialogic Corporation | Measurement of transmission quality of a telephone channel |
| US5375159A (en) * | 1992-09-29 | 1994-12-20 | C & P Of Virginia | System and method for remote testing and protocol analysis of communication lines |
| GB9315353D0 (en) * | 1993-07-23 | 1993-09-08 | British Telecomm | Testing telecommunications equipment |
| US5504801A (en) * | 1994-02-09 | 1996-04-02 | Harris Corporation | User-controlled electronic modification of operating system firmware resident in remote measurement unit for testing and conditioning of subscriber line circuits |
| US5521959A (en) * | 1994-02-09 | 1996-05-28 | Harris Corporation | Programmable source for supplying controllably variable AC/DC voltage output for telephone line measurement apparatus |
| GB9411360D0 (en) * | 1994-06-07 | 1994-07-27 | Newbridge Networks Corp | Method of monitoring a network |
| US5995588A (en) * | 1995-09-01 | 1999-11-30 | Crick; Robert G. | Tone location device for locating faults in a paired line |
| US5748876A (en) * | 1995-12-29 | 1998-05-05 | Mci Communications Corporation | System and method for testing acoustic modems with semantically encoded waveforms |
| US6144721A (en) * | 1996-01-05 | 2000-11-07 | Communications Technology Corporation | Apparatus and method for line pair testing and fault diagnostics |
| US7076378B1 (en) * | 2002-11-13 | 2006-07-11 | Current Technologies, Llc | Device and method for providing power line characteristics and diagnostics |
| US7327781B2 (en) * | 2002-12-17 | 2008-02-05 | Invensys Systems, Inc. | Universal intelligent modem |
| US7460467B1 (en) | 2003-07-23 | 2008-12-02 | Current Technologies, Llc | Voice-over-IP network test device and method |
| CN114024882B (zh) * | 2021-09-23 | 2023-07-14 | 深圳市共进电子股份有限公司 | 一种路由器性能测试方法、装置、系统及存储介质 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3496536A (en) * | 1966-05-02 | 1970-02-17 | Xerox Corp | Data link test apparatus |
| GB1259614A (enExample) * | 1968-11-22 | 1972-01-05 | ||
| US3842218A (en) * | 1972-07-10 | 1974-10-15 | Porta Systems Corp | Automated telephony testing and polling apparatus |
| US3787810A (en) * | 1972-11-02 | 1974-01-22 | Burroughs Corp | Test method for a programmable data communication terminal |
| US3819878A (en) * | 1972-12-18 | 1974-06-25 | Antekna Inc | Transmission test set for telephone circuit data communication systems |
| US3875500A (en) * | 1973-11-28 | 1975-04-01 | Nasa | Pseudo-noise test set for communication system evaluation |
-
1974
- 1974-12-16 US US05/532,746 patent/US4001559A/en not_active Expired - Lifetime
-
1975
- 1975-12-11 NL NL7514443A patent/NL7514443A/xx not_active Application Discontinuation
- 1975-12-15 CA CA241,754A patent/CA1054258A/en not_active Expired
- 1975-12-15 JP JP50148561A patent/JPS5192641A/ja active Pending
- 1975-12-15 IT IT30296/75A patent/IT1050777B/it active
- 1975-12-16 BE BE162796A patent/BE836701A/xx unknown
- 1975-12-16 ES ES443520A patent/ES443520A1/es not_active Expired
- 1975-12-16 FR FR7538467A patent/FR2295651A1/fr active Granted
- 1975-12-16 SE SE7514222A patent/SE7514222L/xx unknown
- 1975-12-16 DE DE19752556600 patent/DE2556600A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ES443520A1 (es) | 1978-03-16 |
| NL7514443A (nl) | 1976-06-18 |
| FR2295651A1 (fr) | 1976-07-16 |
| IT1050777B (it) | 1981-03-20 |
| DE2556600A1 (de) | 1976-07-01 |
| FR2295651B1 (enExample) | 1979-09-07 |
| SE7514222L (sv) | 1976-06-17 |
| JPS5192641A (enExample) | 1976-08-13 |
| US4001559A (en) | 1977-01-04 |
| BE836701A (fr) | 1976-04-16 |
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