GB1300939A - Magnetic phonograph pickup - Google Patents
Magnetic phonograph pickupInfo
- Publication number
- GB1300939A GB1300939A GB61293/69A GB6129369A GB1300939A GB 1300939 A GB1300939 A GB 1300939A GB 61293/69 A GB61293/69 A GB 61293/69A GB 6129369 A GB6129369 A GB 6129369A GB 1300939 A GB1300939 A GB 1300939A
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnets
- pickup
- magnetic
- ferromagnetic
- stylus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005291 magnetic effect Effects 0.000 title abstract 5
- 230000005294 ferromagnetic effect Effects 0.000 abstract 4
- 230000004048 modification Effects 0.000 abstract 3
- 238000012986 modification Methods 0.000 abstract 3
- 241001422033 Thestylus Species 0.000 abstract 2
- 229910001369 Brass Inorganic materials 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000010951 brass Substances 0.000 abstract 1
- 230000005284 excitation Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 229920003002 synthetic resin Polymers 0.000 abstract 1
- 239000000057 synthetic resin Substances 0.000 abstract 1
Classifications
-
- 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
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1871868A CH506928A (de) | 1968-12-16 | 1968-12-16 | Auswechselbarer Nadelträger für einen Tonwiedergabekopf |
CH1692269A CH517426A (de) | 1969-11-13 | 1969-11-13 | Elektromagnetischer Tonwiedergabekopf mit einem auswechselbaren Nadelträger |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1300939A true GB1300939A (en) | 1972-12-29 |
Family
ID=25718691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB61293/69A Expired GB1300939A (en) | 1968-12-16 | 1969-12-16 | Magnetic phonograph pickup |
Country Status (4)
Country | Link |
---|---|
US (1) | US3641284A (de) |
DE (1) | DE1960545A1 (de) |
FR (1) | FR2026290A1 (de) |
GB (1) | GB1300939A (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1299177B (de) * | 1967-12-22 | 1969-07-10 | Suspa Federungstech | Hydraulischer Zweikammerdaempfer |
US3694586A (en) * | 1969-11-03 | 1972-09-26 | Joseph F Grado | Toroidal armature stereophonic pickup |
US3846592A (en) * | 1973-03-29 | 1974-11-05 | W Stanton | Phonograph pickup cartridge for four channel recordings |
JPS5554809Y2 (de) * | 1973-05-15 | 1980-12-18 | ||
AT341798B (de) * | 1974-06-20 | 1978-02-27 | Akg Akustische Kino Geraete | Elastische lagerung fur tonabnehmernadeln |
US4161631A (en) * | 1974-12-13 | 1979-07-17 | Nippon Columbia Kabushikikaisha | Pickup cartridge |
US4072823A (en) * | 1975-06-06 | 1978-02-07 | Kabushiki Kaisha Mitachi Onkyo Seisakusho | Moving magnet pickup cartridge |
US4009885A (en) * | 1975-09-08 | 1977-03-01 | Sonic Research Inc. | Stereo phonograph pick-up cartridge |
JPS5345502A (en) * | 1976-10-06 | 1978-04-24 | Nagaoka Kk | Record stylus |
US4140321A (en) * | 1978-04-04 | 1979-02-20 | Pickering & Company, Inc. | Phonograph cartridge replaceable stylus assembly |
US4173348A (en) * | 1978-04-20 | 1979-11-06 | Rca Corporation | Grooved record playback system |
DE2941036C2 (de) * | 1979-10-10 | 1986-09-11 | Boge Gmbh, 5208 Eitorf | Ölgefüllter Zweirohr Schwingungsdämpfer |
DE3011135C2 (de) * | 1980-03-22 | 1983-12-22 | Goetze Ag, 5093 Burscheid | Lippendichtung |
DE3131262A1 (de) * | 1981-08-07 | 1983-02-24 | Fichtel & Sachs Ag, 8720 Schweinfurt | Hydropneumatischer zweirohr-schwingungsdaempfer mit temperaturkompensation der daempfkraefte |
DE4227848B4 (de) * | 1991-11-28 | 2009-05-07 | Robert Bosch Gmbh | Bauteilträger und Verfahren zum Halten eines aus einem ferromagnetischen Werkstoff ausgebildeten Bauteils |
US5727662A (en) * | 1996-02-05 | 1998-03-17 | Monroe Auto Equipment Company | Thermal expansion compensation device for shock absorbers |
DE19608771A1 (de) * | 1996-03-07 | 1997-04-24 | Fichtel & Sachs Ag | Führung für ein Kolben-Zylinderaggregat |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3294405A (en) * | 1963-12-11 | 1966-12-27 | Audio Dynamics Corp | Phonograph pick-up |
US3441688A (en) * | 1966-04-18 | 1969-04-29 | Empire Scient Corp | Electromagnetic phonograph pickup cartridges with zero balanced armature flux |
US3538266A (en) * | 1967-10-06 | 1970-11-03 | Micro Seiki Co Ltd | Magnetic pickup with inducing magnet axially aligned with the armature |
-
1969
- 1969-12-03 DE DE19691960545 patent/DE1960545A1/de active Pending
- 1969-12-15 US US885391A patent/US3641284A/en not_active Expired - Lifetime
- 1969-12-16 GB GB61293/69A patent/GB1300939A/en not_active Expired
- 1969-12-16 FR FR6943588A patent/FR2026290A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US3641284A (en) | 1972-02-08 |
DE1960545A1 (de) | 1970-06-25 |
FR2026290A1 (de) | 1970-09-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1300939A (en) | Magnetic phonograph pickup | |
KR870003373A (ko) | 자기(磁氣) 센서를 사용한 위치 검출장치 | |
DE3561169D1 (de) | Magnetic fuel ion modifier | |
GB1246564A (en) | Electrically driven tooth-brush | |
ES429936A1 (es) | Sistema de adherencia permanentemente magnetico con fuerza de adherencia variable. | |
MX9207411A (es) | Transductores de armadura balanceada con intervalotransversal. | |
GB1139112A (en) | Magnet structure | |
US2994016A (en) | Magnetic translating device | |
GB1197779A (en) | Improved Magnetizer and Demagnetizer. | |
US2428449A (en) | Magnetic recording head | |
ES198515U (es) | Dispositivo de acoplamiento magnetico. | |
US2650952A (en) | Recording and reproducing head | |
US4031335A (en) | Stereo pick-up with casing serving as common pole piece | |
US3731242A (en) | Method of forming plural strip-shaped magnetic poles | |
GB1528177A (en) | Pickup cartridges | |
GB1296614A (de) | ||
SE7711078L (sv) | Permanentmagnetisk vidheftningsplatta | |
ES329359A1 (es) | Rele adhesivo con contactos de armadura vibrante. | |
FR2241859A1 (en) | Permanent magnet system with variable adhesion strength - uses ferromagnetic pole core and housing with permanent magnets and electromagnet | |
GB1213463A (en) | Improvements in or relating to permanent magnet d.c. motors | |
ES391424A1 (es) | Perfeccionamientos en dispositivos para detectar campos magneticos. | |
GB744647A (en) | Improvements in or relating to magnetic electron lenses and pole pieces for use therein | |
GR21414B (el) | Ηλεκτρομαγνητικος δεκτης τηλεφωνου. | |
DE3782339D1 (de) | Elektrischer motor mit einem vielpoligen dauermagnetlaeufer. | |
JPS56168282A (en) | Magnetic sensor device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |