CA1066400A - Pickup - Google Patents
PickupInfo
- Publication number
- CA1066400A CA1066400A CA250,271A CA250271A CA1066400A CA 1066400 A CA1066400 A CA 1066400A CA 250271 A CA250271 A CA 250271A CA 1066400 A CA1066400 A CA 1066400A
- Authority
- CA
- Canada
- Prior art keywords
- magnetic
- armature
- magnetic members
- square
- air gap
- 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
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 230000004907 flux Effects 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 241001422033 Thestylus Species 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/12—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R9/16—Gramophone pick-ups using a stylus; Recorders using a stylus signals recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Moving Of Heads (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50044888A JPS51124402A (en) | 1975-04-15 | 1975-04-15 | Pickup device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1066400A true CA1066400A (en) | 1979-11-13 |
Family
ID=12704012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA250,271A Expired CA1066400A (en) | 1975-04-15 | 1976-04-14 | Pickup |
Country Status (9)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5492702A (en) * | 1977-12-29 | 1979-07-23 | Ortofon Mfg As | Movable coil pickup |
| US4218591A (en) * | 1978-03-25 | 1980-08-19 | Tadashi Iwasawa | Phonograph cartridge with very hard metal ceramic frame |
| US4317191A (en) * | 1979-01-17 | 1982-02-23 | Sony Corporation | Moving coil pickup cartridge |
| JPS5779199U (US06811534-20041102-M00003.png) * | 1980-10-28 | 1982-05-15 | ||
| JPS6096260A (ja) * | 1983-10-31 | 1985-05-29 | 日本ゼオン株式会社 | 変形自在のカニユ−レ |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE98104C (US06811534-20041102-M00003.png) * | ||||
| GB687363A (en) * | 1949-05-04 | 1953-02-11 | Hans Christian Hansen | Improvements in electrodynamic pick-up's |
| US3040136A (en) * | 1959-01-14 | 1962-06-19 | Joseph F Grado | Electro-mechanical transducer |
| DE1112841B (de) * | 1960-04-08 | 1961-08-17 | Telefunken Gmbh | Elektrisch-mechanischer Wandler |
| DK110237C (da) * | 1960-10-22 | 1973-01-22 | Fonofilm Ind As | Stereofonisk elektrodynamisk lydaftager. |
| DE2063625A1 (de) * | 1970-12-23 | 1972-06-29 | Micro Seiki Co Ltd | Schwingspulen-Tonabnehmereinsatz |
| US3963880A (en) * | 1974-07-24 | 1976-06-15 | Fidelity-Research Inc. | Moving coil-type cartridge |
-
1975
- 1975-04-15 JP JP50044888A patent/JPS51124402A/ja active Granted
-
1976
- 1976-04-12 US US05/676,350 patent/US4145582A/en not_active Expired - Lifetime
- 1976-04-13 SE SE767604342A patent/SE406538B/xx not_active IP Right Cessation
- 1976-04-14 NL NL7603958A patent/NL7603958A/xx not_active Application Discontinuation
- 1976-04-14 FR FR7610956A patent/FR2308268A1/fr active Granted
- 1976-04-14 DE DE19762616389 patent/DE2616389A1/de not_active Withdrawn
- 1976-04-14 GB GB15410/76A patent/GB1528995A/en not_active Expired
- 1976-04-14 CA CA250,271A patent/CA1066400A/en not_active Expired
- 1976-04-15 CH CH488776A patent/CH600726A5/xx not_active IP Right Cessation
-
1977
- 1977-04-18 GB GB16033/77A patent/GB1515461A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51124402A (en) | 1976-10-29 |
| JPS577519B2 (US06811534-20041102-M00003.png) | 1982-02-10 |
| AU1301876A (en) | 1977-10-20 |
| US4145582A (en) | 1979-03-20 |
| SE7604342L (sv) | 1976-10-16 |
| GB1528995A (en) | 1978-10-18 |
| DE2616389A1 (de) | 1976-10-21 |
| GB1515461A (en) | 1978-06-28 |
| FR2308268B3 (US06811534-20041102-M00003.png) | 1979-01-05 |
| FR2308268A1 (fr) | 1976-11-12 |
| CH600726A5 (US06811534-20041102-M00003.png) | 1978-06-30 |
| SE406538B (sv) | 1979-02-12 |
| NL7603958A (nl) | 1976-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4380689A (en) | Electroacoustic transducer for hearing aids | |
| US6372976B2 (en) | Single-coil electric guitar pickup with humbucking-sized housing | |
| US3761647A (en) | Cartridge for detecting vibrations representing stereophonic sound | |
| CA1066400A (en) | Pickup | |
| US4124783A (en) | Phonographic pickup | |
| EP0002955B1 (en) | A moving-coil pickup | |
| US3763335A (en) | Pickup cartridge with magnet armature having opposite axial sides of like polarity and central portion of opposite polarity | |
| US2517727A (en) | Permanent magnet structure for electrodynamic loud-speakers | |
| US4075418A (en) | Stereophonic pickup cartridge | |
| US4090039A (en) | Electrodynamic transducer | |
| US4263483A (en) | Moving coil pick-up assembly for use in a record player | |
| US2875409A (en) | Electrical instrument | |
| US3760125A (en) | Magnetic pick up with fluxbridge and replaceable stylus | |
| US5005097A (en) | Magnetic head with a coil and core supporting bobbin | |
| US4327433A (en) | Magnetic phono cartridge | |
| US3349194A (en) | Magnetic phonograph pickup utilizing off center mounting of armature | |
| US4376304A (en) | Moving coil type stereophonic pickup cartridge | |
| US2239837A (en) | Telephone receiver | |
| US3964751A (en) | Phonograph cartridge replaceable stylus assembly | |
| US1758797A (en) | Loud-speaker | |
| US3878342A (en) | Replaceable stylus for stereophonic phonograph pickup | |
| US4352176A (en) | Electromagnetic pickup cartridge | |
| US4209669A (en) | Pick-up cartridge | |
| US4257026A (en) | Adjustable linearity coil assembly | |
| CA1139234A (en) | Pickup cartridge of moving coil type for phonograph |