IT1086680B - Perfezionamento nei complessi di testine magentiche di registrazione e riproduzione - Google Patents
Perfezionamento nei complessi di testine magentiche di registrazione e riproduzioneInfo
- Publication number
- IT1086680B IT1086680B IT48345/77A IT4834577A IT1086680B IT 1086680 B IT1086680 B IT 1086680B IT 48345/77 A IT48345/77 A IT 48345/77A IT 4834577 A IT4834577 A IT 4834577A IT 1086680 B IT1086680 B IT 1086680B
- Authority
- IT
- Italy
- Prior art keywords
- complexes
- improvement
- reproduction heads
- magentic recording
- magentic
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
- G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/56—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/668,651 US4151569A (en) | 1976-03-19 | 1976-03-19 | Positionable transducer mounting structure using a piezoelectric bender element |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1086680B true IT1086680B (it) | 1985-05-28 |
Family
ID=24683203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48345/77A IT1086680B (it) | 1976-03-19 | 1977-03-07 | Perfezionamento nei complessi di testine magentiche di registrazione e riproduzione |
Country Status (12)
Country | Link |
---|---|
US (1) | US4151569A (it) |
JP (1) | JPS52145011A (it) |
AT (1) | ATA188077A (it) |
BE (1) | BE852631A (it) |
CA (1) | CA1252204A (it) |
DE (2) | DE2711970C2 (it) |
FR (1) | FR2344911A1 (it) |
GB (1) | GB1579852A (it) |
HK (1) | HK11886A (it) |
IT (1) | IT1086680B (it) |
NL (1) | NL7702968A (it) |
SU (1) | SU1116983A3 (it) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4203140A (en) * | 1974-11-26 | 1980-05-13 | Sony Corporation | Helical scan VTR with deflectable head |
JPS598891B2 (ja) * | 1974-11-26 | 1984-02-28 | ソニー株式会社 | 回転磁気ヘッド装置 |
US4288824A (en) * | 1975-10-14 | 1981-09-08 | Sony Corporation | Deflectable transducer mounting with damper for video signal reproducing apparatus |
US4169276A (en) * | 1977-10-17 | 1979-09-25 | Ampex Corporation | Drive circuit for controlling a movable magnetic head |
JPS5480716A (en) * | 1977-12-12 | 1979-06-27 | Sony Corp | Automatic tracking apparatus |
JPS5923226Y2 (ja) * | 1978-02-10 | 1984-07-11 | ソニー株式会社 | 回転磁気ヘツド装置のヘツド支持装置 |
JPS54113308A (en) * | 1978-02-23 | 1979-09-04 | Sony Corp | Tracking device for magnetic head |
JPS54138324A (en) * | 1978-04-19 | 1979-10-26 | Sony Corp | Magnetic recording and reproducing unit |
US4212043A (en) * | 1978-11-01 | 1980-07-08 | Ampex Corporation | Magnetic transducing |
JPS5563187A (en) * | 1978-11-07 | 1980-05-13 | Nec Corp | Special reproduction device |
SU830917A1 (ru) * | 1979-08-16 | 1983-02-07 | Предприятие П/Я Р-6707 | Блок вращающихс магнитных головок |
FR2473829B1 (fr) * | 1979-08-21 | 1985-12-27 | Victor Company Of Japan | Appareil magnetique d'enregistrement et de reproduction muni d'un dispositif de reglage des erreurs de suivi de piste de tetes magnetiques rotatives |
JPS5665332A (en) * | 1979-10-29 | 1981-06-03 | Sony Corp | Magnetic recording and reproducing device |
US4337492A (en) * | 1980-04-08 | 1982-06-29 | Minnesota Mining And Manufacturing Company | Head positioning transducer for helical scan video reproducer |
JPS56165927A (en) * | 1980-05-24 | 1981-12-19 | Sony Corp | Vibration imparting device |
US4485414A (en) * | 1980-07-07 | 1984-11-27 | Ampex Corporation | Servo system for positioning a movable transducing head assembly |
US4446497A (en) * | 1980-09-09 | 1984-05-01 | Victor Company Of Japan, Limited | Video head driving unit with nonlinear leaf spring force |
JPS5792420A (en) * | 1980-11-29 | 1982-06-09 | Sony Corp | Head supporting device of recorder and reproducer |
US4543621A (en) * | 1982-06-10 | 1985-09-24 | Datacopy Corporation | Spiral track disk drive |
US4513332A (en) * | 1982-08-04 | 1985-04-23 | Datacopy Corporation | Disk drive having fine and coarse control of the read/write head |
US4689706A (en) | 1982-09-15 | 1987-08-25 | Ampex Corporation | Apparatus and method for adjusting the respective positions of a magnetic head and video information along a magnetic track |
JPS6017971A (ja) * | 1983-07-12 | 1985-01-29 | Canon Inc | 電気−機械変換素子 |
JPS6085753U (ja) * | 1983-11-18 | 1985-06-13 | 日本ビクター株式会社 | 磁気テ−プ記録再生装置 |
DE3440779A1 (de) * | 1984-11-08 | 1986-05-07 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth | Anordnung zur einregelung der spurlage bei der wiedergabe magnetisch aufgezeichneter frequenzmodulierter signale |
US4636893A (en) * | 1985-09-06 | 1987-01-13 | Eastman Kodak Company | Piezoelectric driven mass storage |
JPS62250681A (ja) * | 1986-04-23 | 1987-10-31 | Murata Mfg Co Ltd | 磁気ヘツドが一端側に、他端側に支持部材が取付けられた積層バイモルフ |
JPH0540807Y2 (it) * | 1987-02-12 | 1993-10-15 | ||
GB2209237B (en) * | 1987-08-27 | 1991-06-26 | Mitsubishi Electric Corp | Head-carrier drum control system |
US4970611A (en) * | 1987-08-27 | 1990-11-13 | Mitsubishi Denki Kabushiki Kaisha | Variable tape speed head-carrier drum control apparatus |
JP2739043B2 (ja) * | 1988-04-06 | 1998-04-08 | 三菱電機株式会社 | 光ディスク記録再生装置 |
US5101309A (en) * | 1988-08-23 | 1992-03-31 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for automatically optimizing magnetic recording and playback |
JPH02148410A (ja) * | 1988-11-29 | 1990-06-07 | Toshiba Corp | ヘッド装置及び磁気記録再生装置 |
JPH02260108A (ja) * | 1989-03-30 | 1990-10-22 | Toshiba Corp | 磁気ヘッド装置 |
US5223992A (en) * | 1989-11-10 | 1993-06-29 | Mitsubishi Denki Kabushiki Kaisha | Rotary magnetic head device in magnetic recording and reproducing apparatus |
US5047883A (en) * | 1990-02-07 | 1991-09-10 | Ampex Corporation | Pantograph head mount having double leaves integral with a rigid tip structure |
US5166848A (en) * | 1990-10-03 | 1992-11-24 | Ampex Systems Corporation | Automatic scan tracking mechanism |
US5227937A (en) * | 1991-03-14 | 1993-07-13 | Ampex Corporation | Side-stiffened flexural pantographic mount for positioning a magnetic transducing head assembly |
US5343348A (en) * | 1991-04-03 | 1994-08-30 | Victor Company Of Japan, Ltd. | Actuator for displacing a magnetic head |
JP2842255B2 (ja) * | 1994-11-14 | 1998-12-24 | 松下電器産業株式会社 | 磁気ヘッド装置の製造方法 |
KR970029639A (ko) * | 1995-11-28 | 1997-06-26 | 배순훈 | 테이프 레코더의 헤드 구동장치 |
US6556028B1 (en) * | 2001-05-07 | 2003-04-29 | Storage Test Solutions, Inc. | Method and apparatus for detecting defects in piezoelectric actuators |
CN107356294B (zh) * | 2017-08-17 | 2023-07-28 | 浙江师范大学 | 一种远程自来水表 |
CN107356293B (zh) * | 2017-08-17 | 2023-07-28 | 浙江师范大学 | 一种自来水计量表 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB744416A (en) * | 1953-04-01 | 1956-02-08 | Emi Ltd | Improvements in or relating to gramophone pick-ups and like transducing devices |
US3126535A (en) * | 1961-12-27 | 1964-03-24 | Transducer positioning system | |
DE1275580B (de) * | 1964-06-25 | 1968-08-22 | Grundig Max | Verfahren und Einrichtung zur Verminderung der Abweichung des Videokopfes von der Aufzeichnungsspur bei der Abtastung von Video-Magnetbandaufzeichnungen |
DE1774833C3 (de) * | 1967-09-20 | 1980-05-14 | Sony Corp., Tokio | Magnetbandwiedergabegerät |
US3706861A (en) * | 1969-09-18 | 1972-12-19 | Rca Corp | Apparatus for mounting and spacing a signal transducer with respect to a recording medium |
SU387423A1 (ru) * | 1971-06-07 | 1973-06-21 | УСТРОЙСТВО дл КОМПЕНСАЦИИ ПЕРЕКОСА МАГНИТНОЙ ЛЕНТЫ | |
SU402914A1 (ru) * | 1971-06-07 | 1973-10-19 | Качающаяся магнитная головка | |
JPS5243362B2 (it) * | 1971-09-13 | 1977-10-29 | ||
DE2216077C3 (de) * | 1972-04-01 | 1978-04-20 | Loewe Opta Gmbh, 1000 Berlin | Automatische Spurabtast-Regelschaltung für Video-Magnetband-Aufzeichnungsund Wiedergabegerät |
JPS5650329B2 (it) * | 1972-05-22 | 1981-11-28 | ||
US3787616A (en) * | 1972-06-05 | 1974-01-22 | Newell Ind | Time base error correction system and method |
JPS4920208A (it) * | 1972-06-16 | 1974-02-22 | ||
JPS5633772B2 (it) * | 1972-12-20 | 1981-08-06 | ||
JPS5643529B2 (it) * | 1974-04-26 | 1981-10-13 | ||
AT339392B (de) * | 1974-06-27 | 1977-10-10 | Grundig Emv | Bandfuhrungsvorrichtung |
NL7409513A (en) * | 1974-07-15 | 1976-01-19 | Philips Nv | Servo system for controlling position of magnetic reading head - has selection signals written into data tracks with simultaneous reading of adjacent tracks |
JPS598891B2 (ja) * | 1974-11-26 | 1984-02-28 | ソニー株式会社 | 回転磁気ヘッド装置 |
JPS5242319A (en) * | 1975-09-30 | 1977-04-01 | Sony Corp | Tracking control system for video signal reproduction set |
-
1976
- 1976-03-19 US US05/668,651 patent/US4151569A/en not_active Expired - Lifetime
-
1977
- 1977-03-07 IT IT48345/77A patent/IT1086680B/it active
- 1977-03-09 GB GB10036/77A patent/GB1579852A/en not_active Expired
- 1977-03-17 FR FR7707941A patent/FR2344911A1/fr active Granted
- 1977-03-18 CA CA000274284A patent/CA1252204A/en not_active Expired
- 1977-03-18 DE DE2711970A patent/DE2711970C2/de not_active Expired
- 1977-03-18 DE DE7708474U patent/DE7708474U1/de not_active Expired
- 1977-03-18 BE BE175913A patent/BE852631A/xx not_active IP Right Cessation
- 1977-03-18 NL NL7702968A patent/NL7702968A/xx not_active Application Discontinuation
- 1977-03-18 AT AT0188077A patent/ATA188077A/de not_active IP Right Cessation
- 1977-03-18 SU SU772462911A patent/SU1116983A3/ru active
- 1977-03-19 JP JP3101377A patent/JPS52145011A/ja active Granted
-
1986
- 1986-02-20 HK HK118/86A patent/HK11886A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ATA188077A (de) | 1982-08-15 |
HK11886A (en) | 1986-02-28 |
JPS52145011A (en) | 1977-12-02 |
DE7708474U1 (de) | 1989-07-27 |
DE2711970C2 (de) | 1982-03-11 |
SU1116983A3 (ru) | 1984-09-30 |
BE852631A (fr) | 1977-07-18 |
FR2344911A1 (fr) | 1977-10-14 |
JPS6135609B2 (it) | 1986-08-14 |
DE2711970A1 (de) | 1977-10-20 |
GB1579852A (en) | 1980-11-26 |
CA1252204A (en) | 1989-04-04 |
FR2344911B1 (it) | 1981-12-18 |
US4151569A (en) | 1979-04-24 |
NL7702968A (nl) | 1977-09-21 |
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