NL8005968A - Testcontroleketen voor een meer-kanalen apparaat. - Google Patents
Testcontroleketen voor een meer-kanalen apparaat. Download PDFInfo
- Publication number
- NL8005968A NL8005968A NL8005968A NL8005968A NL8005968A NL 8005968 A NL8005968 A NL 8005968A NL 8005968 A NL8005968 A NL 8005968A NL 8005968 A NL8005968 A NL 8005968A NL 8005968 A NL8005968 A NL 8005968A
- Authority
- NL
- Netherlands
- Prior art keywords
- channel
- channels
- output
- signal
- input
- Prior art date
Links
- 239000000872 buffer Substances 0.000 claims description 43
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 10
- 238000012806 monitoring device Methods 0.000 claims description 8
- 230000000977 initiatory effect Effects 0.000 claims 5
- 239000003999 initiator Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000518994 Conta Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1816—Testing
- G11B20/182—Testing using test patterns
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Tests Of Electronic Circuits (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/090,050 US4333177A (en) | 1979-10-31 | 1979-10-31 | Test control circuit for multichannel apparatus such as tape recorders and the like |
| US9005079 | 1979-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8005968A true NL8005968A (nl) | 1981-06-01 |
Family
ID=22221032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8005968A NL8005968A (nl) | 1979-10-31 | 1980-10-30 | Testcontroleketen voor een meer-kanalen apparaat. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4333177A (OSRAM) |
| JP (1) | JPS5673352A (OSRAM) |
| BE (1) | BE885936A (OSRAM) |
| CA (1) | CA1149935A (OSRAM) |
| DE (1) | DE3041172C2 (OSRAM) |
| FR (1) | FR2468969A1 (OSRAM) |
| GB (1) | GB2063492B (OSRAM) |
| NL (1) | NL8005968A (OSRAM) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5001568A (en) * | 1982-01-12 | 1991-03-19 | Discovision Associates | Signal evaluation by accumulation at one rate and releasing and testing at a slower rate |
| US4682246A (en) * | 1982-01-12 | 1987-07-21 | Discovision Associates | Characterizing the information transfer characteristics of a recording medium |
| US4641207A (en) * | 1983-03-22 | 1987-02-03 | Green George D | Diagnostic device and method for examining the operation of a disk drive |
| US4612586A (en) * | 1984-06-05 | 1986-09-16 | Memorex Corporation | Method for measuring timing asymmetry in a magnetic storage system |
| JPS6125230A (ja) * | 1984-07-13 | 1986-02-04 | Sony Corp | Ｉｃ装置 |
| US4578719A (en) * | 1984-12-06 | 1986-03-25 | Robert Bosch Gmbh | Tracking error recognition in reproduced digital signals |
| US4725968A (en) * | 1985-05-14 | 1988-02-16 | Nicolet Instrument Corporation | Disk drive testing method and apparatus |
| JPH0827320B2 (ja) * | 1987-01-21 | 1996-03-21 | 松下電器産業株式会社 | 信号発生制御装置 |
| US4922184A (en) * | 1988-08-29 | 1990-05-01 | Control Data Corporation | Apparatus and process for the simultaneous continuity sensing of multiple circuits |
| DE19739380A1 (de) * | 1997-09-09 | 1999-03-11 | Abb Research Ltd | Verfahren zum Test eines Leitsystems |
| JP3744709B2 (ja) * | 1999-02-05 | 2006-02-15 | ローム株式会社 | 磁気記録再生装置及びそのドライブ用半導体集積回路装置 |
| US7134068B2 (en) * | 2003-12-04 | 2006-11-07 | Seagate Technology Llc | Channel processing data without leading sync mark |
| CN107356859B (zh) * | 2017-06-09 | 2021-12-10 | 上海航空电器有限公司 | 多路音频电路bit测试电路及方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE633599A (OSRAM) * | 1962-06-20 | |||
| US3522532A (en) * | 1965-10-21 | 1970-08-04 | Mc Donnell Douglas Corp | Comparison system for testing points in a circuit using a multi-channel analog signal record and playback means |
| US3519761A (en) * | 1968-03-07 | 1970-07-07 | Ampex | Record excitation optimization method and apparatus for rotary head magnetic tape recorders |
| US3686682A (en) * | 1970-08-17 | 1972-08-22 | Burroughs Corp | Method and apparatus for testing magnetic disc files |
| JPS5115415B1 (OSRAM) * | 1970-12-28 | 1976-05-17 | ||
| US3831149A (en) * | 1973-02-14 | 1974-08-20 | Burroughs Corp | Data monitoring apparatus including a plurality of presettable control elements for monitoring preselected signal combinations and other conditions |
| US4103338A (en) * | 1977-02-28 | 1978-07-25 | Xerox Corporation | Self-diagnostic method and apparatus for disk drive |
| US4180203A (en) * | 1977-09-30 | 1979-12-25 | Westinghouse Electric Corp. | Programmable test point selector circuit |
| US4142215A (en) * | 1977-12-02 | 1979-02-27 | The Telex Corporation | Tape drive tester |
-
1979
- 1979-10-31 US US06/090,050 patent/US4333177A/en not_active Expired - Lifetime
-
1980
- 1980-09-29 CA CA000361208A patent/CA1149935A/en not_active Expired
- 1980-10-27 FR FR8022913A patent/FR2468969A1/fr active Granted
- 1980-10-30 NL NL8005968A patent/NL8005968A/nl not_active Application Discontinuation
- 1980-10-30 BE BE0/202640A patent/BE885936A/fr not_active IP Right Cessation
- 1980-10-31 GB GB8035147A patent/GB2063492B/en not_active Expired
- 1980-10-31 DE DE3041172A patent/DE3041172C2/de not_active Expired
- 1980-10-31 JP JP15369680A patent/JPS5673352A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1149935A (en) | 1983-07-12 |
| FR2468969A1 (fr) | 1981-05-08 |
| GB2063492B (en) | 1983-11-16 |
| DE3041172A1 (de) | 1981-09-03 |
| BE885936A (fr) | 1981-02-16 |
| DE3041172C2 (de) | 1982-11-25 |
| US4333177A (en) | 1982-06-01 |
| JPH0419508B2 (OSRAM) | 1992-03-30 |
| GB2063492A (en) | 1981-06-03 |
| JPS5673352A (en) | 1981-06-18 |
| FR2468969B1 (OSRAM) | 1984-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |