FR2460084B1 - - Google Patents
Info
- Publication number
- FR2460084B1 FR2460084B1 FR8013721A FR8013721A FR2460084B1 FR 2460084 B1 FR2460084 B1 FR 2460084B1 FR 8013721 A FR8013721 A FR 8013721A FR 8013721 A FR8013721 A FR 8013721A FR 2460084 B1 FR2460084 B1 FR 2460084B1
- Authority
- FR
- France
- 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
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
- 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)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7896179A JPS562796A (en) | 1979-06-22 | 1979-06-22 | Moving coil type stereo pickup cartridge |
| JP13024979A JPS5654197A (en) | 1979-10-09 | 1979-10-09 | Stereo pickup cartridge of moving coil type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2460084A1 FR2460084A1 (fr) | 1981-01-16 |
| FR2460084B1 true FR2460084B1 (enExample) | 1985-04-19 |
Family
ID=26420003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8013721A Granted FR2460084A1 (fr) | 1979-06-22 | 1980-06-20 | Cartouche de tete de lecture stereophonique electrodynamique |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4376304A (enExample) |
| CA (1) | CA1139233A (enExample) |
| CH (1) | CH651146A5 (enExample) |
| DE (1) | DE3006283C2 (enExample) |
| DK (1) | DK152476C (enExample) |
| FR (1) | FR2460084A1 (enExample) |
| GB (1) | GB2055272B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60174395U (ja) * | 1984-04-27 | 1985-11-19 | 並木精密宝石株式会社 | ピツクアツプ・カ−トリツジ |
| US5016703A (en) * | 1988-11-10 | 1991-05-21 | Lanxide Technology Company, Lp | Method of forming a metal matrix composite body by a spontaneous infiltration technique |
| US8050144B2 (en) * | 2009-07-08 | 2011-11-01 | Geospace Technologies Lp | Vertical geophone having improved distortion characteristics |
| US8098546B2 (en) * | 2009-07-08 | 2012-01-17 | Geospace Technologies, Lp | Geophone having improved sensitivity |
| US8208347B2 (en) * | 2009-07-08 | 2012-06-26 | Geospace Technologies, Lp | Geophone having improved damping control |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB930366A (en) * | 1958-11-10 | 1963-07-03 | Bang & Olufsen Produktionssels | Stereophonic pick-up having a single stylus |
| US3214525A (en) * | 1959-10-22 | 1965-10-26 | Gulton Ind Inc | Stereophonic piezoelectric bender-type transducer |
| DK110237C (da) * | 1960-10-22 | 1973-01-22 | Fonofilm Ind As | Stereofonisk elektrodynamisk lydaftager. |
| US3761647A (en) * | 1968-08-14 | 1973-09-25 | Audio Technica Kk | Cartridge for detecting vibrations representing stereophonic sound |
| DE2020903A1 (de) * | 1970-04-29 | 1971-11-11 | Wilms Hermann | Elektrodynamischer Tonabnehmer oder Schneiddose |
| GB1332486A (en) * | 1970-12-23 | 1973-10-03 | Micro Seiki Co Ltd | Moving coil type phonograph pickup cartridge |
| JPS5169601A (ja) * | 1974-12-13 | 1976-06-16 | Nippon Columbia | Pitsukuatsupukaatoritsuji |
| US4161631A (en) * | 1974-12-13 | 1979-07-17 | Nippon Columbia Kabushikikaisha | Pickup cartridge |
| US4037060A (en) * | 1975-07-09 | 1977-07-19 | Nippon Atsudenki Kabushiki Kaisha T/A Japan Piezo Co., Ltd. | Stereophonic pickup cartridge |
| JPS5377601A (en) * | 1976-12-21 | 1978-07-10 | Audio Technica Kk | Transducer |
| JPS5448503A (en) * | 1977-09-01 | 1979-04-17 | Matsushita Electric Ind Co Ltd | Moving coil type pickup cartridge |
| US4209670A (en) * | 1977-10-24 | 1980-06-24 | Victor Company Of Japan, Limited | Moving-coil type pickup cartridge |
| GB2043395B (en) * | 1979-01-31 | 1983-01-06 | Pioneer Electronic Corp | Moving coil phono cartridge |
-
1980
- 1980-02-01 CA CA000344937A patent/CA1139233A/en not_active Expired
- 1980-02-20 DE DE3006283A patent/DE3006283C2/de not_active Expired
- 1980-05-30 DK DK235880A patent/DK152476C/da active
- 1980-06-10 GB GB8019002A patent/GB2055272B/en not_active Expired
- 1980-06-20 FR FR8013721A patent/FR2460084A1/fr active Granted
- 1980-06-20 CH CH4745/80A patent/CH651146A5/de not_active IP Right Cessation
-
1981
- 1981-06-26 US US06/277,882 patent/US4376304A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB2055272B (en) | 1983-03-23 |
| DE3006283C2 (de) | 1984-12-13 |
| DK152476C (da) | 1988-08-08 |
| CA1139233A (en) | 1983-01-11 |
| DK152476B (da) | 1988-02-29 |
| GB2055272A (en) | 1981-02-25 |
| CH651146A5 (de) | 1985-08-30 |
| FR2460084A1 (fr) | 1981-01-16 |
| US4376304A (en) | 1983-03-08 |
| DE3006283A1 (de) | 1981-01-08 |
| DK235880A (da) | 1980-12-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |