JPS4953003A - - Google Patents
Info
- Publication number
- JPS4953003A JPS4953003A JP48070372A JP7037273A JPS4953003A JP S4953003 A JPS4953003 A JP S4953003A JP 48070372 A JP48070372 A JP 48070372A JP 7037273 A JP7037273 A JP 7037273A JP S4953003 A JPS4953003 A JP S4953003A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2230203A DE2230203C2 (en) | 1972-06-21 | 1972-06-21 | Electromagnetic pickup, preferably for reproducing quadrofonic sound recordings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4953003A true JPS4953003A (en) | 1974-05-23 |
| JPS5117886B2 JPS5117886B2 (en) | 1976-06-05 |
Family
ID=5848305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48070372A Expired JPS5117886B2 (en) | 1972-06-21 | 1973-06-21 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3851117A (en) |
| JP (1) | JPS5117886B2 (en) |
| DE (1) | DE2230203C2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5550800A (en) * | 1978-10-06 | 1980-04-12 | Audio Technica Corp | Movable coil type pick up cartridge |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3401237A (en) * | 1962-08-27 | 1968-09-10 | Victor Company Of Japan | Simultaneous recording of two signals per channel |
| CH478502A (en) * | 1967-06-20 | 1969-09-15 | Audio Technica Kk | Pickup head for stereophonic record playback |
| US3576955A (en) * | 1967-08-22 | 1971-05-04 | Matsushita Electric Ind Co Ltd | Armature assembly for magnetic-type phonograph pickup |
| DK124049B (en) * | 1969-03-25 | 1972-09-04 | Fonofilm Ind As | Magnetic pick-up. |
-
1972
- 1972-06-21 DE DE2230203A patent/DE2230203C2/en not_active Expired
-
1973
- 1973-04-18 US US00352189A patent/US3851117A/en not_active Expired - Lifetime
- 1973-06-21 JP JP48070372A patent/JPS5117886B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3851117A (en) | 1974-11-26 |
| JPS5117886B2 (en) | 1976-06-05 |
| DE2230203C2 (en) | 1974-07-04 |
| DE2230203B1 (en) | 1973-12-13 |
| DE2230203A1 (en) | 1973-12-13 |