ZA741422B - Tape-detector - Google Patents
Tape-detectorInfo
- Publication number
- ZA741422B ZA741422B ZA00741422A ZA741422A ZA741422B ZA 741422 B ZA741422 B ZA 741422B ZA 00741422 A ZA00741422 A ZA 00741422A ZA 741422 A ZA741422 A ZA 741422A ZA 741422 B ZA741422 B ZA 741422B
- Authority
- ZA
- South Africa
- Prior art keywords
- tape
- detector
- Prior art date
Links
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
- G11B15/16—Control of operating function, e.g. switching from recording to reproducing by sensing presence, absence or position of record carrier or container
-
- 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
- G11B15/06—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 auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape
- G11B15/08—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 auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape by photoelectric sensing
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00361357A US3838291A (en) | 1973-05-17 | 1973-05-17 | Detector indicating availability and position of tape |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA741422B true ZA741422B (en) | 1975-01-29 |
Family
ID=23421712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00741422A ZA741422B (en) | 1973-05-17 | 1974-03-05 | Tape-detector |
Country Status (10)
Country | Link |
---|---|
US (1) | US3838291A (xx) |
AU (1) | AU6845174A (xx) |
BR (1) | BR7404005D0 (xx) |
CA (1) | CA1007322A (xx) |
CH (1) | CH577225A5 (xx) |
DE (1) | DE2421707B2 (xx) |
FR (1) | FR2230037B1 (xx) |
GB (2) | GB1465580A (xx) |
IT (1) | IT1013160B (xx) |
ZA (1) | ZA741422B (xx) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2340813C2 (de) * | 1973-08-11 | 1982-04-01 | Fa. Schwarzhaupt Medizintechnik GmbH, 5000 Köln | Registriergerät zur Aufzeichnung von Blutdruck-Meßwerten |
NL7713709A (nl) * | 1977-12-12 | 1979-06-14 | Philips Nv | Magneetbandtransportsysteem alsmede magneetband- cassette ten behoeve van een magneetbandtrans- portsysteem en magneetbandregistratie- en/of weergaveapparaat voorzien van een magneetband- transportsysteem. |
US4320421A (en) * | 1980-05-27 | 1982-03-16 | International Business Machines Corporation | Rotary actuator for file protect function |
DE3160957D1 (en) * | 1980-08-21 | 1983-10-27 | Ibm | Data storage subsystem employing removable media and reducing operator errors |
US4413328A (en) * | 1981-03-06 | 1983-11-01 | International Business Machines Corporation | Storage subsystems employing removable media and having a digital display on each recorder |
JPS58155524A (ja) * | 1982-02-25 | 1983-09-16 | スタ−ル・ソシエテ・アノニム | 一面のみにデ−タを有するデイスクの動作面を検出するシステム |
US4511936A (en) * | 1982-05-24 | 1985-04-16 | Northern Telecom Inc. | Switch and optical sensor assembly for recorder |
NL8300947A (nl) * | 1983-03-16 | 1984-10-16 | Philips Nv | Optische bandeindedetektieinrichting. |
JPS6089678U (ja) * | 1983-11-25 | 1985-06-19 | ソニー株式会社 | テ−プカセツト |
US4848698A (en) * | 1988-06-02 | 1989-07-18 | Newell Research Corporation | Method for writing and means for reading position-indicating markers on tape |
CA2057484A1 (en) * | 1991-02-13 | 1992-08-14 | Jerry L. Alexander | Optical element for magnetic recording tape cartridges |
US5229620A (en) * | 1991-12-31 | 1993-07-20 | Tandberg Data A/S | System for integrated tape hole detection by detecting an edge of the tape and/or a pattern on the tape |
US5369285A (en) * | 1992-08-24 | 1994-11-29 | Exabyte Corporation | Method and apparatus for optical detection of cleaning medium in an information storage drive |
US5557098A (en) * | 1994-12-20 | 1996-09-17 | Baxter International Inc. | System to identify bags disinfected by irradiation which punches holes in a polarized portion of the bag to indicate processing thereof |
US7029726B1 (en) | 1999-07-27 | 2006-04-18 | Quantum Corporation | Method for forming a servo pattern on a magnetic tape |
US7153366B1 (en) | 1998-03-24 | 2006-12-26 | Quantum Corporation | Systems and method for forming a servo pattern on a magnetic tape |
DE19913382C2 (de) | 1998-03-24 | 2002-08-14 | Quantum Corp | Mehrkanaliges Magnetbandsystem mit einem optischen Spur-Servo |
EP1205912A4 (en) | 1999-02-16 | 2002-08-21 | Quantum Corp | METHOD FOR WRITING SERVO SIGNALS ON MAGNETIC TAPE |
WO2000049605A1 (fr) | 1999-02-17 | 2000-08-24 | Quantum Corporation | Procede d'ecriture de signaux d'asservissement sur une bande magnetique |
US6961200B2 (en) * | 1999-07-27 | 2005-11-01 | Quantum Corporation | Optical servo track identification on tape storage media |
US6558774B1 (en) | 1999-08-17 | 2003-05-06 | Quantum Corporation | Multiple-layer backcoating for magnetic tape |
EP2261694B1 (en) * | 2000-01-14 | 2012-07-04 | Keyence Corporation | Photoelectric switch device |
US6940676B1 (en) | 2000-06-07 | 2005-09-06 | Quantum Corporation | Triple push-pull optical tracking system |
US6940681B2 (en) | 2001-08-20 | 2005-09-06 | Quantum Corporation | Optical to magnetic alignment in magnetic tape system |
US7023650B2 (en) | 2001-11-07 | 2006-04-04 | Quantum Corporation | Optical sensor to recording head alignment |
US7187515B2 (en) | 2003-02-05 | 2007-03-06 | Quantum Corporation | Method and system for tracking magnetic media with embedded optical servo tracks |
US6980390B2 (en) | 2003-02-05 | 2005-12-27 | Quantum Corporation | Magnetic media with embedded optical servo tracks |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2971716A (en) * | 1959-05-25 | 1961-02-14 | Sidney O Sampson | Automatic tape cartridge for magnetic recorders |
US3443109A (en) * | 1963-12-10 | 1969-05-06 | Nat Res Dev | Electro-optical reading device utilizing a pulsed semiconductor diode lamp |
GB1122341A (en) * | 1965-11-30 | 1968-08-07 | Ferranti Ltd | Improvements relating to apparatus for reading punched tape |
US3461302A (en) * | 1966-05-09 | 1969-08-12 | Bonitron Inc | Device for sensing the edges of webs of varying transparencies |
US3557380A (en) * | 1969-01-13 | 1971-01-19 | Laser Systems Corp | Radiation sensitive displacement measuring instrument |
-
1973
- 1973-05-17 US US00361357A patent/US3838291A/en not_active Expired - Lifetime
-
1974
- 1974-03-05 ZA ZA00741422A patent/ZA741422B/xx unknown
- 1974-03-19 CA CA195,375A patent/CA1007322A/en not_active Expired
- 1974-05-01 AU AU68451/74A patent/AU6845174A/en not_active Expired
- 1974-05-02 GB GB4484074A patent/GB1465580A/en not_active Expired
- 1974-05-02 GB GB1927774A patent/GB1465579A/en not_active Expired
- 1974-05-04 DE DE19742421707 patent/DE2421707B2/de active Granted
- 1974-05-15 FR FR7416853A patent/FR2230037B1/fr not_active Expired
- 1974-05-15 IT IT51006/74A patent/IT1013160B/it active
- 1974-05-16 BR BR4005/74A patent/BR7404005D0/pt unknown
- 1974-05-16 CH CH684574A patent/CH577225A5/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1465579A (en) | 1977-02-23 |
US3838291A (en) | 1974-09-24 |
IT1013160B (it) | 1977-03-30 |
FR2230037A1 (xx) | 1974-12-13 |
DE2421707A1 (de) | 1974-11-28 |
CH577225A5 (xx) | 1976-06-30 |
CA1007322A (en) | 1977-03-22 |
DE2421707B2 (de) | 1976-10-21 |
FR2230037B1 (xx) | 1978-12-29 |
GB1465580A (en) | 1977-02-23 |
AU6845174A (en) | 1975-11-06 |
BR7404005D0 (pt) | 1975-01-21 |
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