JPS6123561B2 - - Google Patents
Info
- Publication number
- JPS6123561B2 JPS6123561B2 JP54023304A JP2330479A JPS6123561B2 JP S6123561 B2 JPS6123561 B2 JP S6123561B2 JP 54023304 A JP54023304 A JP 54023304A JP 2330479 A JP2330479 A JP 2330479A JP S6123561 B2 JPS6123561 B2 JP S6123561B2
- Authority
- JP
- Japan
- Prior art keywords
- armature
- pick
- pole piece
- inertial
- 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
- 238000013016 damping Methods 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 15
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- 229920001971 elastomer Polymers 0.000 description 7
- 229910052759 nickel Inorganic materials 0.000 description 7
- 241001422033 Thestylus Species 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 238000007747 plating Methods 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 3
- 229920005549 butyl rubber Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- -1 tin Chemical compound 0.000 description 1
- 238000004804 winding Methods 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/16—Mounting or connecting stylus to transducer with or without damping means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Vibration Prevention Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK90478AA DK140919B (da) | 1978-02-28 | 1978-02-28 | Pick-up. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54124701A JPS54124701A (en) | 1979-09-27 |
| JPS6123561B2 true JPS6123561B2 (US06312121-20011106-C00033.png) | 1986-06-06 |
Family
ID=8098837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2330479A Granted JPS54124701A (en) | 1978-02-28 | 1979-02-28 | Pickup |
Country Status (5)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0031122B1 (en) * | 1979-12-19 | 1985-10-02 | Matsushita Electric Industrial Co., Ltd. | Electromagnetic pickup cartridge |
| US4519063A (en) * | 1980-07-01 | 1985-05-21 | Pioneer Electric Corporation | Phono pickup cartridge |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2591996A (en) * | 1949-01-14 | 1952-04-08 | Fonofilm Ind As | Moving-coil phonograph pickup |
| US2776342A (en) * | 1951-10-25 | 1957-01-01 | Gen Electric | High fidelity phonograph stylus assembly |
| DE1572396A1 (de) * | 1967-07-05 | 1969-10-30 | Karl Braun | Elektromagnetischer Tonabnehmer fuer stereophonische Schallplattenaufzeichnung |
| DE2303455C3 (de) * | 1973-01-25 | 1975-12-18 | Karl 8399 Rotthalmuenster Braun | Schallplatten-Tonabnehmer |
| JPS5123290Y2 (US06312121-20011106-C00033.png) * | 1973-07-13 | 1976-06-15 | ||
| DK137560B (da) * | 1976-06-22 | 1978-03-20 | Ortofon Mfg As | Pickup. |
| US4194744A (en) * | 1978-02-01 | 1980-03-25 | Shure Brothers, Incorporated | Phonograph pick-up transducer using a one-piece bearing and inertial damper fabricated from different materials |
-
1978
- 1978-02-28 DK DK90478AA patent/DK140919B/da not_active IP Right Cessation
-
1979
- 1979-02-26 US US06/014,992 patent/US4310917A/en not_active Expired - Lifetime
- 1979-02-27 EP EP79300300A patent/EP0004158B1/en not_active Expired
- 1979-02-27 DE DE7979300300T patent/DE2962166D1/de not_active Expired
- 1979-02-28 JP JP2330479A patent/JPS54124701A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2962166D1 (en) | 1982-03-25 |
| DK140919C (US06312121-20011106-C00033.png) | 1980-05-19 |
| EP0004158B1 (en) | 1982-02-24 |
| JPS54124701A (en) | 1979-09-27 |
| US4310917A (en) | 1982-01-12 |
| DK140919B (da) | 1979-12-03 |
| DK90478A (US06312121-20011106-C00033.png) | 1979-08-29 |
| EP0004158A1 (en) | 1979-09-19 |
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