AT382038B - Optische bandendetektionsanordnung zur verwendung in einem magnetbandaufnahmeund/oder wiedergabegeraet - Google Patents
Optische bandendetektionsanordnung zur verwendung in einem magnetbandaufnahmeund/oder wiedergabegeraetInfo
- Publication number
- AT382038B AT382038B AT0083384A AT83384A AT382038B AT 382038 B AT382038 B AT 382038B AT 0083384 A AT0083384 A AT 0083384A AT 83384 A AT83384 A AT 83384A AT 382038 B AT382038 B AT 382038B
- Authority
- AT
- Austria
- Prior art keywords
- playback device
- detection arrangement
- magnetic tape
- optical
- recording
- 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
- G11B15/05—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 |
---|---|---|---|
NL8300947A NL8300947A (nl) | 1983-03-16 | 1983-03-16 | Optische bandeindedetektieinrichting. |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA83384A ATA83384A (de) | 1986-05-15 |
AT382038B true AT382038B (de) | 1986-12-29 |
Family
ID=19841555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0083384A AT382038B (de) | 1983-03-16 | 1984-03-13 | Optische bandendetektionsanordnung zur verwendung in einem magnetbandaufnahmeund/oder wiedergabegeraet |
Country Status (10)
Country | Link |
---|---|
US (1) | US4570075A (de) |
JP (1) | JPS59177750A (de) |
AT (1) | AT382038B (de) |
CA (1) | CA1224255A (de) |
DE (1) | DE3408910A1 (de) |
ES (1) | ES8501156A1 (de) |
FR (1) | FR2542907B1 (de) |
GB (1) | GB2136626B (de) |
HK (1) | HK41787A (de) |
NL (1) | NL8300947A (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60146935U (ja) * | 1984-03-09 | 1985-09-30 | 三洋電機株式会社 | テ−プエンド検出機構 |
JPH0437303Y2 (de) * | 1985-01-18 | 1992-09-02 | ||
US4730108A (en) * | 1986-04-11 | 1988-03-08 | Ampex Corporation | Ambient light insensitive circuit with frequency matching |
US4905106A (en) * | 1986-08-28 | 1990-02-27 | Canon Kabushiki Kaisha | Device for detecting light transmissivity of detected object and record and/or reproducing apparatus using same |
GB2202624A (en) * | 1987-03-23 | 1988-09-28 | Dr Basil Polychronopulos | Optimum biasing system for electronic devices |
US5137347A (en) * | 1988-02-16 | 1992-08-11 | Canon Kabushiki Kaisha | Information retrieval apparatus |
JPH0229960A (ja) * | 1988-07-20 | 1990-01-31 | Pioneer Electron Corp | 磁気記録再生装置 |
DE3912999A1 (de) * | 1989-04-20 | 1990-10-25 | Thomson Brandt Gmbh | Recorder mit bandsensoren fuer schaltvorgaege |
US5222003A (en) * | 1990-11-13 | 1993-06-22 | Colorado Memory Systems | Optical tape position sensing system for magnetic tape media in computer memory backup devices |
DE4229043A1 (de) * | 1991-09-03 | 1993-03-18 | Funai Electric Co | Bandende-erkennungsvorrichtung fuer tapedecks |
US5270553A (en) * | 1992-12-22 | 1993-12-14 | Hewlett-Packard Company | Beginning-of-tape sensor with automatic threshold adjustment |
US5473461A (en) * | 1994-08-26 | 1995-12-05 | Interactive Light, Inc. | Wide dynamic range optical receiver |
JP2000235746A (ja) | 1999-02-12 | 2000-08-29 | Mitsubishi Electric Corp | 検知装置 |
GB2346687B (en) * | 1999-02-12 | 2000-12-13 | Mitsubishi Electric Corp | Sensing system with continuous and pulsed modes |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1538540B2 (de) * | 1966-11-10 | 1971-10-14 | Grundig EMV Elektro Mechanische Versuchsanstalt Max Grundig, 8510 Furth | Schaltungsanordnung zur demodulation eines elektrischen signals in einem optoelektrischen geraet |
US3739177A (en) * | 1970-12-15 | 1973-06-12 | North American Mfg Co | Light sensitive control |
US3859647A (en) * | 1971-08-25 | 1975-01-07 | Infrared Ind Inc | Photoelectric intrusion sensing device employing synchronous demodulation |
US3838291A (en) * | 1973-05-17 | 1974-09-24 | Hewlett Packard Co | Detector indicating availability and position of tape |
JPS5068506A (de) * | 1973-10-22 | 1975-06-07 | ||
IT1025347B (it) * | 1973-11-23 | 1978-08-10 | Sued Chemie Ag | Processo per la disgregazione di gusci di avena |
JPS5637622B2 (de) * | 1974-04-08 | 1981-09-01 | ||
US3931513A (en) * | 1974-09-23 | 1976-01-06 | Ampex Corporation | Sensing circuit for tape position markers |
US3968361A (en) * | 1975-06-23 | 1976-07-06 | The United States Of America As Represented By The Secretary Of The Navy | Laser receiver anti-sun circuit |
US4320423A (en) * | 1976-03-17 | 1982-03-16 | Nahma Ag | Apparatus for automatic repeated reproduction of sound on selected portions of magnetic tape or the like |
US4186309A (en) * | 1977-10-13 | 1980-01-29 | Web Printing Controls Co. Inc., | Web monitoring and control apparatus for web handling machinery |
JPS5953616B2 (ja) * | 1978-11-30 | 1984-12-26 | パイオニア株式会社 | リ−ダ−テ−プ検出装置 |
US4258719A (en) * | 1978-12-04 | 1981-03-31 | Hughes Aircraft Company | Heart rate measurement system |
JPS55145443A (en) * | 1979-04-27 | 1980-11-13 | Hitachi Ltd | Photo detection circuit |
JPS55157138A (en) * | 1979-05-18 | 1980-12-06 | Sanyo Electric Co Ltd | Automatic reversing unit of magnetic tape |
JPS5841460A (ja) * | 1981-09-04 | 1983-03-10 | Matsushita Electric Ind Co Ltd | テ−プ終端検出装置 |
JPS58220259A (ja) * | 1982-06-15 | 1983-12-21 | Victor Co Of Japan Ltd | テ−プ端検出装置 |
-
1983
- 1983-03-16 NL NL8300947A patent/NL8300947A/nl not_active Application Discontinuation
- 1983-06-06 US US06/501,311 patent/US4570075A/en not_active Expired - Fee Related
-
1984
- 1984-03-10 DE DE19843408910 patent/DE3408910A1/de not_active Withdrawn
- 1984-03-12 GB GB08406402A patent/GB2136626B/en not_active Expired
- 1984-03-13 AT AT0083384A patent/AT382038B/de not_active IP Right Cessation
- 1984-03-13 ES ES530550A patent/ES8501156A1/es not_active Expired
- 1984-03-13 JP JP59046646A patent/JPS59177750A/ja active Pending
- 1984-03-13 FR FR8403815A patent/FR2542907B1/fr not_active Expired
- 1984-03-15 CA CA000449682A patent/CA1224255A/en not_active Expired
-
1987
- 1987-05-28 HK HK417/87A patent/HK41787A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US4570075A (en) | 1986-02-11 |
FR2542907A1 (fr) | 1984-09-21 |
FR2542907B1 (fr) | 1989-06-02 |
HK41787A (en) | 1987-06-05 |
GB2136626B (en) | 1986-10-29 |
ATA83384A (de) | 1986-05-15 |
ES530550A0 (es) | 1984-11-01 |
JPS59177750A (ja) | 1984-10-08 |
GB8406402D0 (en) | 1984-04-18 |
ES8501156A1 (es) | 1984-11-01 |
GB2136626A (en) | 1984-09-19 |
DE3408910A1 (de) | 1984-09-20 |
CA1224255A (en) | 1987-07-14 |
NL8300947A (nl) | 1984-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |