FR2452150A1 - Dispositif de detection de conditions anormales de fonctionnement, notamment pour des platines a bande magnetique - Google Patents
Dispositif de detection de conditions anormales de fonctionnement, notamment pour des platines a bande magnetiqueInfo
- Publication number
- FR2452150A1 FR2452150A1 FR8006201A FR8006201A FR2452150A1 FR 2452150 A1 FR2452150 A1 FR 2452150A1 FR 8006201 A FR8006201 A FR 8006201A FR 8006201 A FR8006201 A FR 8006201A FR 2452150 A1 FR2452150 A1 FR 2452150A1
- Authority
- FR
- France
- Prior art keywords
- operating conditions
- magnetic tape
- abnormal operating
- plates
- detecting abnormal
- 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.)
- Granted
Links
- 230000002159 abnormal effect Effects 0.000 title abstract 3
- 238000001514 detection method Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
- G11B15/093—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing driving condition of record carrier, e.g. travel, tape tension
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/34—Indicating arrangements
Landscapes
- Automatic Tape Cassette Changers (AREA)
- Burglar Alarm Systems (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
L'INVENTION CONCERNE UN DISPOSITIF DE DETECTION DE CONDITIONS ANORMALES DE FONCTIONNEMENT, NOTAMMENT POUR DES PLATINES A BANDE MAGNETIQUE. IL COMPORTE DEUX DETECTEURS DE MOUVEMENT 11A, 11B, 12A, 12B ASSOCIES CHACUN AVEC UN DISQUE SUPPORT DE BROCHE DE BOBINE DE BANDE ET DONT LES SIGNAUX DE SORTIE SONT APPLIQUES A DES PORTES LOGIQUES 14, 15. CES DERNIERES DELIVRENT DES SIGNAUX INDIQUANT UN FONCTIONNEMENT ANORMAL, PAR EXEMPLE SI UNE SEULE DES BOBINES TOURNE ALORS QUE L'AUTRE EST ARRETEE. L'INVENTION S'APPLIQUE NOTAMMENT A DES PLATINES POUR CASSETTES DE BANDE MAGNETIQUE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT48413/79A IT1162604B (it) | 1979-03-20 | 1979-03-20 | Dispositivo di rivelazione di anomalie di funzionamento in particolare per giranastri |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2452150A1 true FR2452150A1 (fr) | 1980-10-17 |
FR2452150B1 FR2452150B1 (fr) | 1986-01-03 |
Family
ID=11266395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8006201A Expired FR2452150B1 (fr) | 1979-03-20 | 1980-03-20 | Dispositif de detection de conditions anormales de fonctionnement, notamment pour des platines a bande magnetique |
Country Status (12)
Country | Link |
---|---|
US (1) | US4341364A (fr) |
JP (1) | JPS55163642A (fr) |
AT (1) | ATA149380A (fr) |
BE (1) | BE882329A (fr) |
BR (1) | BR8001670A (fr) |
CH (1) | CH638332A5 (fr) |
DE (1) | DE3010796A1 (fr) |
ES (1) | ES490406A0 (fr) |
FR (1) | FR2452150B1 (fr) |
GB (1) | GB2044981B (fr) |
IT (1) | IT1162604B (fr) |
NL (1) | NL8001662A (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4525756A (en) * | 1981-07-24 | 1985-06-25 | Clarion Co., Ltd. | Head shift mechanism |
JPS58220259A (ja) * | 1982-06-15 | 1983-12-21 | Victor Co Of Japan Ltd | テ−プ端検出装置 |
JPS5958645A (ja) * | 1982-09-28 | 1984-04-04 | Victor Co Of Japan Ltd | テ−プ走行異常検出装置 |
FR2552914B1 (fr) * | 1983-09-29 | 1985-11-29 | Victor Company Of Japan | Dispositif pour la detection d'anomalies dans le defilement de la bande dans un appareil d'enregistrement et/ou de reproduction magnetique |
US4597547A (en) * | 1985-04-03 | 1986-07-01 | Ford Motor Company | Logic circuit for detecting reverse rotation of a take-up reel in a tape transport mechanism |
KR0138346B1 (ko) * | 1993-12-28 | 1998-05-15 | 김광호 | 비디오테이프레코더의 테이프 엔드 감출방법 및 그에 적합한 장치 |
US5655724A (en) * | 1996-01-16 | 1997-08-12 | Ford Motor Company | Autoreverse cassette tape mechanism with tape-eating prevention |
US7175122B2 (en) * | 2004-01-26 | 2007-02-13 | International Business Machines Corporation | Compensation for tape breakage in a tape drive |
GB2428863B (en) * | 2005-07-29 | 2007-08-08 | Hewlett Packard Development Co | A cleaning cartridge and data transfer apparatus |
US8016221B2 (en) * | 2008-01-30 | 2011-09-13 | International Business Machines Corporation | Apparatus, system, and method for dynamic tape stick and tape break detection |
US8306580B2 (en) * | 2008-11-24 | 2012-11-06 | International Business Machines Corporation | Motion sensor assisted auto-shutdown mechanism in portable audio systems |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2333609A1 (de) * | 1973-07-02 | 1975-01-30 | Uher Werke Muenchen | Tonbandgeraet |
FR2430058A1 (fr) * | 1978-06-27 | 1980-01-25 | Autovox Spa | Procede et dispositif de rebobinage rapide pour un enregistreur a bande magnetique |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3730453A (en) * | 1970-09-21 | 1973-05-01 | Xerox Corp | Early end of tape detection |
US3879756A (en) * | 1973-03-13 | 1975-04-22 | Economy Co | Automatic drive stop control utilizing motor voltage transients |
JPS52147405A (en) * | 1976-06-02 | 1977-12-07 | Nippon Gakki Seizo Kk | Rotation control device |
-
1979
- 1979-03-20 IT IT48413/79A patent/IT1162604B/it active
-
1980
- 1980-03-18 US US06/131,325 patent/US4341364A/en not_active Expired - Lifetime
- 1980-03-18 CH CH210580A patent/CH638332A5/it not_active IP Right Cessation
- 1980-03-19 AT AT0149380A patent/ATA149380A/de not_active Application Discontinuation
- 1980-03-20 ES ES490406A patent/ES490406A0/es active Granted
- 1980-03-20 BE BE2/58470A patent/BE882329A/fr not_active IP Right Cessation
- 1980-03-20 BR BR8001670A patent/BR8001670A/pt unknown
- 1980-03-20 NL NL8001662A patent/NL8001662A/nl not_active Application Discontinuation
- 1980-03-20 FR FR8006201A patent/FR2452150B1/fr not_active Expired
- 1980-03-20 GB GB8009377A patent/GB2044981B/en not_active Expired
- 1980-03-20 DE DE19803010796 patent/DE3010796A1/de not_active Ceased
- 1980-03-21 JP JP3600380A patent/JPS55163642A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2333609A1 (de) * | 1973-07-02 | 1975-01-30 | Uher Werke Muenchen | Tonbandgeraet |
FR2430058A1 (fr) * | 1978-06-27 | 1980-01-25 | Autovox Spa | Procede et dispositif de rebobinage rapide pour un enregistreur a bande magnetique |
Also Published As
Publication number | Publication date |
---|---|
BR8001670A (pt) | 1980-11-18 |
ES8102688A1 (es) | 1981-02-16 |
JPS55163642A (en) | 1980-12-19 |
GB2044981A (en) | 1980-10-22 |
GB2044981B (en) | 1983-01-12 |
DE3010796A1 (de) | 1980-09-25 |
BE882329A (fr) | 1980-07-16 |
US4341364A (en) | 1982-07-27 |
ATA149380A (de) | 1981-06-15 |
CH638332A5 (it) | 1983-09-15 |
ES490406A0 (es) | 1981-02-16 |
FR2452150B1 (fr) | 1986-01-03 |
IT7948413A0 (it) | 1979-03-20 |
IT1162604B (it) | 1987-04-01 |
NL8001662A (nl) | 1980-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |