IT1134615B - Trasduttore ad onda acustica di superficie per registrazione e riproduzione - Google Patents
Trasduttore ad onda acustica di superficie per registrazione e riproduzioneInfo
- Publication number
- IT1134615B IT1134615B IT26486/80A IT2648680A IT1134615B IT 1134615 B IT1134615 B IT 1134615B IT 26486/80 A IT26486/80 A IT 26486/80A IT 2648680 A IT2648680 A IT 2648680A IT 1134615 B IT1134615 B IT 1134615B
- Authority
- IT
- Italy
- Prior art keywords
- reproduction
- recording
- acoustic wave
- surface acoustic
- wave transducer
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/36—Devices for manipulating acoustic surface waves
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/16—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by mechanical cutting, deforming or pressing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Electrophonic Musical Instruments (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/103,444 US4281407A (en) | 1979-12-14 | 1979-12-14 | Surface acoustic wave pickup and recording device |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8026486A0 IT8026486A0 (it) | 1980-12-05 |
IT1134615B true IT1134615B (it) | 1986-08-13 |
Family
ID=22295214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT26486/80A IT1134615B (it) | 1979-12-14 | 1980-12-05 | Trasduttore ad onda acustica di superficie per registrazione e riproduzione |
Country Status (6)
Country | Link |
---|---|
US (1) | US4281407A (it) |
JP (1) | JPS5693128A (it) |
DE (1) | DE3046903A1 (it) |
FR (1) | FR2472244A1 (it) |
GB (1) | GB2065954A (it) |
IT (1) | IT1134615B (it) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4453242A (en) * | 1982-07-13 | 1984-06-05 | Rca Corporation | Surface acoustic wave cutterhead for disc recording having a circular transducer |
US4477892A (en) * | 1982-07-13 | 1984-10-16 | Rca Corporation | Surface acoustic wave device having a pyramid shaped tip for recording video information on a substrate |
DE3527606C1 (de) * | 1985-08-01 | 1986-07-10 | TELDEC Schallplatten GmbH, 2000 Hamburg | Verfahren zur Aufzeichnung eines Informationssignals und Einrichtung zur Durchfuehrung des Verfahrens |
US4767198A (en) * | 1987-06-24 | 1988-08-30 | Unisys Corporation | SAW/BAW Bragg cell |
US5481184A (en) * | 1991-12-31 | 1996-01-02 | Sarcos Group | Movement actuator/sensor systems |
US5576589A (en) * | 1994-10-13 | 1996-11-19 | Kobe Steel Usa, Inc. | Diamond surface acoustic wave devices |
FR2755225B1 (fr) * | 1996-10-28 | 1999-04-02 | Jean Pierre Nikolovski | Dispositif de controle dimensionnel sans contact ultrasonore |
US6776176B1 (en) * | 2000-05-26 | 2004-08-17 | Terastor Corporation | Applications of acoustic waves in data storage devices |
US7893602B1 (en) * | 2008-12-04 | 2011-02-22 | The United States of America as reprensented by the Administrator of the National Aeronautics and Space Administration | Dual-use transducer for use with a boundary-stiffened panel and method of using the same |
US9310923B2 (en) | 2010-12-03 | 2016-04-12 | Apple Inc. | Input device for touch sensitive devices |
US8638320B2 (en) * | 2011-06-22 | 2014-01-28 | Apple Inc. | Stylus orientation detection |
US9329703B2 (en) | 2011-06-22 | 2016-05-03 | Apple Inc. | Intelligent stylus |
US8928635B2 (en) * | 2011-06-22 | 2015-01-06 | Apple Inc. | Active stylus |
US9557845B2 (en) | 2012-07-27 | 2017-01-31 | Apple Inc. | Input device for and method of communication with capacitive devices through frequency variation |
US9176604B2 (en) | 2012-07-27 | 2015-11-03 | Apple Inc. | Stylus device |
US9652090B2 (en) | 2012-07-27 | 2017-05-16 | Apple Inc. | Device for digital communication through capacitive coupling |
US10048775B2 (en) | 2013-03-14 | 2018-08-14 | Apple Inc. | Stylus detection and demodulation |
US9939935B2 (en) | 2013-07-31 | 2018-04-10 | Apple Inc. | Scan engine for touch controller architecture |
US10067618B2 (en) | 2014-12-04 | 2018-09-04 | Apple Inc. | Coarse scan and targeted active mode scan for touch |
US10474277B2 (en) | 2016-05-31 | 2019-11-12 | Apple Inc. | Position-based stylus communication |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3369199A (en) * | 1964-12-18 | 1968-02-13 | Bell Telephone Labor Inc | Dispersive delay line |
FR1447365A (fr) * | 1965-06-16 | 1966-07-29 | Csf | Dispositif d'excitation pour ondes de surface |
US3529465A (en) * | 1968-02-23 | 1970-09-22 | Claus Kleesattel | Fatigue testing and apparatus therefor |
US3946256A (en) * | 1971-12-10 | 1976-03-23 | Iowa State University Research Foundation, Inc. | System for generating or sensing transverse elastic bulk waves in solids |
GB1439594A (en) * | 1972-04-19 | 1976-06-16 | Rca Corp | Cutterhead assembly for signal recording |
US3824352A (en) * | 1973-04-30 | 1974-07-16 | Zenith Radio Corp | Stacked piezoelectric transducer acting as quarter-wave resonator for recording video information |
US3974464A (en) * | 1974-03-15 | 1976-08-10 | Texas Instruments Incorporated | Acoustic ridge waveguide |
US4037253A (en) * | 1974-06-11 | 1977-07-19 | Matsushita Electric Industrial Co., Ltd. | Pressure sensitive signal reproducing system for a videodisc |
US3975698A (en) * | 1974-08-08 | 1976-08-17 | The United States Of America As Represented By The Secretary Of The Army | Fiber acoustic waveguide and system |
GB1541567A (en) * | 1975-05-23 | 1979-03-07 | Ti Group Services Ltd | Surface acoustic wave transducers |
US4011747A (en) * | 1975-06-20 | 1977-03-15 | The Board Of Trustees Of The Leland Stanford University | Method and apparatus for acoustic scanning using waves scattered by an acoustic grating |
-
1979
- 1979-12-14 US US06/103,444 patent/US4281407A/en not_active Expired - Lifetime
-
1980
- 1980-12-05 IT IT26486/80A patent/IT1134615B/it active
- 1980-12-11 JP JP17569380A patent/JPS5693128A/ja active Pending
- 1980-12-12 FR FR8026430A patent/FR2472244A1/fr not_active Withdrawn
- 1980-12-12 GB GB8039858A patent/GB2065954A/en not_active Withdrawn
- 1980-12-12 DE DE19803046903 patent/DE3046903A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS5693128A (en) | 1981-07-28 |
US4281407A (en) | 1981-07-28 |
IT8026486A0 (it) | 1980-12-05 |
GB2065954A (en) | 1981-07-01 |
FR2472244A1 (fr) | 1981-06-26 |
DE3046903A1 (de) | 1981-09-03 |
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