JPS57151099U - - Google Patents
Info
- Publication number
- JPS57151099U JPS57151099U JP1981037744U JP3774481U JPS57151099U JP S57151099 U JPS57151099 U JP S57151099U JP 1981037744 U JP1981037744 U JP 1981037744U JP 3774481 U JP3774481 U JP 3774481U JP S57151099 U JPS57151099 U JP S57151099U
- Authority
- JP
- Japan
- 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.)
- Granted
Links
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)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Moving Of Heads (AREA)
- Electrophonic Musical Instruments (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981037744U JPS646632Y2 (enExample) | 1981-03-18 | 1981-03-18 | |
| US06/351,427 US4493071A (en) | 1981-03-18 | 1982-02-23 | Pickup cartridge |
| CA000397154A CA1173757A (en) | 1981-03-18 | 1982-02-26 | Pickup cartridge |
| GB8207556A GB2096864B (en) | 1981-03-18 | 1982-03-16 | Pick-up cartridges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981037744U JPS646632Y2 (enExample) | 1981-03-18 | 1981-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57151099U true JPS57151099U (enExample) | 1982-09-22 |
| JPS646632Y2 JPS646632Y2 (enExample) | 1989-02-21 |
Family
ID=12505983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981037744U Expired JPS646632Y2 (enExample) | 1981-03-18 | 1981-03-18 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4493071A (enExample) |
| JP (1) | JPS646632Y2 (enExample) |
| CA (1) | CA1173757A (enExample) |
| GB (1) | GB2096864B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4253559B2 (ja) * | 2003-10-21 | 2009-04-15 | 株式会社日立製作所 | 光ピックアップ装置及び光ディスク装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3146319A (en) * | 1960-08-24 | 1964-08-25 | Pickering & Co Inc | Magnetic phonograph pickup with compensating pole piece arrangement |
| US3646279A (en) * | 1970-12-07 | 1972-02-29 | Pickering & Co Inc | Induced magnetic moving iron stereophonic phonograph pickup with replaceable stylus assembly and one common pole piece |
| US4103116A (en) * | 1974-12-05 | 1978-07-25 | Nippon Gakki Seizo Kabushiki Kaisha | Pickup cartridge with moving magnet armature |
-
1981
- 1981-03-18 JP JP1981037744U patent/JPS646632Y2/ja not_active Expired
-
1982
- 1982-02-23 US US06/351,427 patent/US4493071A/en not_active Expired - Lifetime
- 1982-02-26 CA CA000397154A patent/CA1173757A/en not_active Expired
- 1982-03-16 GB GB8207556A patent/GB2096864B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4493071A (en) | 1985-01-08 |
| GB2096864A (en) | 1982-10-20 |
| GB2096864B (en) | 1984-09-26 |
| JPS646632Y2 (enExample) | 1989-02-21 |
| CA1173757A (en) | 1984-09-04 |