JPS50158305A - - Google Patents
Info
- Publication number
- JPS50158305A JPS50158305A JP49065535A JP6553574A JPS50158305A JP S50158305 A JPS50158305 A JP S50158305A JP 49065535 A JP49065535 A JP 49065535A JP 6553574 A JP6553574 A JP 6553574A JP S50158305 A JPS50158305 A JP S50158305A
- 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; ELECTRIC HEARING AIDS; 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)
- Transmission And Conversion Of Sensor Element Output (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49065535A JPS5123893B2 (https=) | 1974-06-11 | 1974-06-11 | |
| US05/585,893 US4004108A (en) | 1974-06-11 | 1975-06-11 | Armature for sound pick-up cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49065535A JPS5123893B2 (https=) | 1974-06-11 | 1974-06-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50158305A true JPS50158305A (https=) | 1975-12-22 |
| JPS5123893B2 JPS5123893B2 (https=) | 1976-07-20 |
Family
ID=13289793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49065535A Expired JPS5123893B2 (https=) | 1974-06-11 | 1974-06-11 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4004108A (https=) |
| JP (1) | JPS5123893B2 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4241241A (en) * | 1978-11-20 | 1980-12-23 | Janice K. Scarpitti | Electromechanical record disk dynamic range expander |
| US6400549B1 (en) | 2000-05-08 | 2002-06-04 | Harris Corporation | Dual cantilevered electromagnet-based gripping apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2507708A (en) * | 1945-12-22 | 1950-05-16 | Pennsylvania Electronics Inc | Phonograph pickup having permanent magnet armature |
| DE1572396A1 (de) * | 1967-07-05 | 1969-10-30 | Karl Braun | Elektromagnetischer Tonabnehmer fuer stereophonische Schallplattenaufzeichnung |
| US3627931A (en) * | 1968-01-23 | 1971-12-14 | Nippon Columbia | Moving magnet type stereo pickup |
| JPS4937527B1 (https=) * | 1971-02-23 | 1974-10-09 |
-
1974
- 1974-06-11 JP JP49065535A patent/JPS5123893B2/ja not_active Expired
-
1975
- 1975-06-11 US US05/585,893 patent/US4004108A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5123893B2 (https=) | 1976-07-20 |
| US4004108A (en) | 1977-01-18 |