CH501292A - Magnetic head with body sections containing magnetic core parts clamped together - Google Patents
Magnetic head with body sections containing magnetic core parts clamped togetherInfo
- Publication number
- CH501292A CH501292A CH1466468A CH1466468A CH501292A CH 501292 A CH501292 A CH 501292A CH 1466468 A CH1466468 A CH 1466468A CH 1466468 A CH1466468 A CH 1466468A CH 501292 A CH501292 A CH 501292A
- Authority
- CH
- Switzerland
- Prior art keywords
- clamped together
- core parts
- body sections
- sections containing
- magnetic head
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- 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
- G11B5/10—Structure or manufacture of housings or shields for 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
- G11B5/295—Manufacture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R11/12—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Magnetic Heads (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58098166A | 1966-09-21 | 1966-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH501292A true CH501292A (en) | 1970-12-31 |
Family
ID=24323408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1466468A CH501292A (en) | 1966-09-21 | 1968-10-01 | Magnetic head with body sections containing magnetic core parts clamped together |
Country Status (5)
Country | Link |
---|---|
US (1) | US3484562A (en) |
BE (1) | BE735030A (en) |
CH (1) | CH501292A (en) |
DE (1) | DE1763241C3 (en) |
GB (1) | GB1221853A (en) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3864752A (en) * | 1973-12-10 | 1975-02-04 | Shugart Associates Inc | Magnetic head assembly having a slotted body portion of elastic material for clamping a transducer and method of manufacture therefor |
US4152742A (en) * | 1977-10-31 | 1979-05-01 | Nortronics Company, Inc. | Back bar retainer for magnetic head |
JPS60119606A (en) * | 1983-12-02 | 1985-06-27 | Alps Electric Co Ltd | Magnetic head |
DE3615529A1 (en) * | 1986-05-07 | 1987-11-12 | Bosch Gmbh Robert | IGNITION COIL FOR IGNITION SYSTEMS FOR INTERNAL COMBUSTION ENGINES |
US7280026B2 (en) | 2002-04-18 | 2007-10-09 | Coldwatt, Inc. | Extended E matrix integrated magnetics (MIM) core |
US7876191B2 (en) | 2005-02-23 | 2011-01-25 | Flextronics International Usa, Inc. | Power converter employing a tapped inductor and integrated magnetics and method of operating the same |
US7675759B2 (en) | 2006-12-01 | 2010-03-09 | Flextronics International Usa, Inc. | Power system with power converters having an adaptive controller |
US9197132B2 (en) | 2006-12-01 | 2015-11-24 | Flextronics International Usa, Inc. | Power converter with an adaptive controller and method of operating the same |
US7468649B2 (en) | 2007-03-14 | 2008-12-23 | Flextronics International Usa, Inc. | Isolated power converter |
US20080316779A1 (en) | 2007-06-19 | 2008-12-25 | Chandrasekaran Jayaraman | System and method for estimating input power for a power processing circuit |
US8488355B2 (en) | 2008-11-14 | 2013-07-16 | Power Systems Technologies, Ltd. | Driver for a synchronous rectifier and power converter employing the same |
US8520414B2 (en) | 2009-01-19 | 2013-08-27 | Power Systems Technologies, Ltd. | Controller for a power converter |
WO2010083514A1 (en) | 2009-01-19 | 2010-07-22 | Flextronics International Usa, Inc. | Controller for a power converter |
CN102356438B (en) * | 2009-03-31 | 2014-08-27 | 伟创力国际美国公司 | Magnetic device formed with u-shaped core pieces and power converter employing the same |
US8643222B2 (en) | 2009-06-17 | 2014-02-04 | Power Systems Technologies Ltd | Power adapter employing a power reducer |
US8514593B2 (en) | 2009-06-17 | 2013-08-20 | Power Systems Technologies, Ltd. | Power converter employing a variable switching frequency and a magnetic device with a non-uniform gap |
US9077248B2 (en) | 2009-06-17 | 2015-07-07 | Power Systems Technologies Ltd | Start-up circuit for a power adapter |
US8638578B2 (en) | 2009-08-14 | 2014-01-28 | Power System Technologies, Ltd. | Power converter including a charge pump employable in a power adapter |
US8976549B2 (en) | 2009-12-03 | 2015-03-10 | Power Systems Technologies, Ltd. | Startup circuit including first and second Schmitt triggers and power converter employing the same |
US8520420B2 (en) | 2009-12-18 | 2013-08-27 | Power Systems Technologies, Ltd. | Controller for modifying dead time between switches in a power converter |
US8787043B2 (en) | 2010-01-22 | 2014-07-22 | Power Systems Technologies, Ltd. | Controller for a power converter and method of operating the same |
US9246391B2 (en) | 2010-01-22 | 2016-01-26 | Power Systems Technologies Ltd. | Controller for providing a corrected signal to a sensed peak current through a circuit element of a power converter |
WO2011116225A1 (en) | 2010-03-17 | 2011-09-22 | Power Systems Technologies, Ltd. | Control system for a power converter and method of operating the same |
US8792257B2 (en) | 2011-03-25 | 2014-07-29 | Power Systems Technologies, Ltd. | Power converter with reduced power dissipation |
US8792256B2 (en) | 2012-01-27 | 2014-07-29 | Power Systems Technologies Ltd. | Controller for a switch and method of operating the same |
US9190898B2 (en) | 2012-07-06 | 2015-11-17 | Power Systems Technologies, Ltd | Controller for a power converter and method of operating the same |
US9379629B2 (en) | 2012-07-16 | 2016-06-28 | Power Systems Technologies, Ltd. | Magnetic device and power converter employing the same |
US9214264B2 (en) | 2012-07-16 | 2015-12-15 | Power Systems Technologies, Ltd. | Magnetic device and power converter employing the same |
US9106130B2 (en) | 2012-07-16 | 2015-08-11 | Power Systems Technologies, Inc. | Magnetic device and power converter employing the same |
US9099232B2 (en) | 2012-07-16 | 2015-08-04 | Power Systems Technologies Ltd. | Magnetic device and power converter employing the same |
US9240712B2 (en) | 2012-12-13 | 2016-01-19 | Power Systems Technologies Ltd. | Controller including a common current-sense device for power switches of a power converter |
US9300206B2 (en) | 2013-11-15 | 2016-03-29 | Power Systems Technologies Ltd. | Method for estimating power of a power converter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB794978A (en) * | 1955-01-13 | 1958-05-14 | Emi Ltd | Improvements in or relating to magnetic transducing heads for use in magnetic recording or reproducing apparatus |
US2920149A (en) * | 1957-11-21 | 1960-01-05 | Sonotone Corp | Magnetic record transducing heads |
NL131637C (en) * | 1958-01-13 | |||
GB882042A (en) * | 1959-09-03 | 1961-11-08 | Philips Electrical Ind Ltd | Improvements in or relating to core holders for use in multitrack erasing heads |
US3156919A (en) * | 1960-12-30 | 1964-11-10 | Ibm | Electromagnetic transducer head |
US3211843A (en) * | 1962-03-29 | 1965-10-12 | Nortronics Co | Multi-channel electromagnetic head structures |
GB1036001A (en) * | 1963-01-07 | 1966-07-13 | Rank Bush Murphy Ltd | Electromagnetic transducer head |
-
1966
- 1966-09-21 US US580981A patent/US3484562A/en not_active Expired - Lifetime
-
1968
- 1968-04-08 GB GB06879/68A patent/GB1221853A/en not_active Expired
- 1968-04-24 DE DE1763241A patent/DE1763241C3/en not_active Expired
- 1968-10-01 CH CH1466468A patent/CH501292A/en not_active IP Right Cessation
-
1969
- 1969-06-23 BE BE735030D patent/BE735030A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3484562A (en) | 1969-12-16 |
DE1763241A1 (en) | 1972-04-20 |
BE735030A (en) | 1969-12-01 |
DE1763241B2 (en) | 1973-10-04 |
GB1221853A (en) | 1971-02-10 |
DE1763241C3 (en) | 1974-05-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |