DK130670C - - Google Patents
Info
- Publication number
- DK130670C DK130670C DK449671A DK449671A DK130670C DK 130670 C DK130670 C DK 130670C DK 449671 A DK449671 A DK 449671A DK 449671 A DK449671 A DK 449671A DK 130670 C DK130670 C DK 130670C
- Authority
- DK
- Denmark
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)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Electrophonic Musical Instruments (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9556270A | 1970-12-07 | 1970-12-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK130670B DK130670B (da) | 1975-03-17 |
| DK130670C true DK130670C (cg-RX-API-DMAC7.html) | 1975-09-15 |
Family
ID=22252580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK449671AA DK130670B (da) | 1970-12-07 | 1971-09-14 | Magnetisk, stereofonisk pick-up. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3646279A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5322841B1 (cg-RX-API-DMAC7.html) |
| BE (1) | BE773904A (cg-RX-API-DMAC7.html) |
| CA (1) | CA929865A (cg-RX-API-DMAC7.html) |
| CH (1) | CH559404A5 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2159573C2 (cg-RX-API-DMAC7.html) |
| DK (1) | DK130670B (cg-RX-API-DMAC7.html) |
| FR (1) | FR2116374B1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1367651A (cg-RX-API-DMAC7.html) |
| IT (1) | IT938613B (cg-RX-API-DMAC7.html) |
| NL (1) | NL171317C (cg-RX-API-DMAC7.html) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7404359A (nl) * | 1974-04-01 | 1975-10-03 | Philips Nv | Groeftaster en/of snijder. |
| US3952171A (en) * | 1974-09-18 | 1976-04-20 | Micro/Acoustics Corporation | Stereo phonograph cartridge |
| NL169384C (nl) * | 1974-10-01 | 1982-07-01 | Philips Nv | Naaldhouder. |
| US4072823A (en) * | 1975-06-06 | 1978-02-07 | Kabushiki Kaisha Mitachi Onkyo Seisakusho | Moving magnet pickup cartridge |
| US4119844A (en) * | 1976-07-30 | 1978-10-10 | Marvin Glass & Associates | Phonograph cartridge and sensor assembly |
| DE2825791C2 (de) * | 1978-06-13 | 1980-07-31 | Dual Gebrueder Steidinger, 7742 St Georgen | Tonabnehmer mit auswechselbarer Abtastnadel |
| US4320492A (en) * | 1980-04-01 | 1982-03-16 | Micro-Acoustics Corporation | Variable weight phonograph cartridge |
| JPS646632Y2 (cg-RX-API-DMAC7.html) * | 1981-03-18 | 1989-02-21 | ||
| DE3228300C2 (de) * | 1982-07-29 | 1984-12-06 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Tonabnehmer zum Auslesen von Informationen aus der Rille einer sich drehenden Informationsträgerplatte |
| DE3533814C1 (de) * | 1985-09-21 | 1986-11-06 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zum Herstellen eines Magnet-Tonabnehmersystems |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB847138A (en) * | 1957-11-05 | 1960-09-07 | Decca Record Co Ltd | Improvements in or relating to pick-ups for sound recordings having a groove for mechanically oscillating a stylus |
| US2864897A (en) * | 1958-02-17 | 1958-12-16 | Hoffman Electronics Corp | Universal phonograph pickup head or the like |
| US3297831A (en) * | 1964-02-06 | 1967-01-10 | Walter O Stanton | Magnetic stereophonic phonograph pickup |
| NL168390C (nl) * | 1968-04-30 | 1982-03-16 | Pickering & Co Inc | Stereofonische grammofoonopnemer. |
| US3546399A (en) * | 1969-01-29 | 1970-12-08 | Pickering & Co Inc | Induced magnetic moving iron stereophonic phonograph pickup with replaceable stylus assembly |
-
1970
- 1970-12-07 US US95562A patent/US3646279A/en not_active Expired - Lifetime
-
1971
- 1971-08-27 CA CA121584A patent/CA929865A/en not_active Expired
- 1971-09-03 GB GB4129971A patent/GB1367651A/en not_active Expired
- 1971-09-14 DK DK449671AA patent/DK130670B/da not_active IP Right Cessation
- 1971-09-27 NL NLAANVRAGE7113232,A patent/NL171317C/xx not_active IP Right Cessation
- 1971-10-13 BE BE773904A patent/BE773904A/xx not_active IP Right Cessation
- 1971-10-14 CH CH1501871A patent/CH559404A5/xx not_active IP Right Cessation
- 1971-10-15 FR FR7137229A patent/FR2116374B1/fr not_active Expired
- 1971-10-16 IT IT9725/71A patent/IT938613B/it active
- 1971-12-01 DE DE2159573A patent/DE2159573C2/de not_active Expired
- 1971-12-07 JP JP9840271A patent/JPS5322841B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT938613B (it) | 1973-02-10 |
| DK130670B (da) | 1975-03-17 |
| DE2159573A1 (de) | 1972-06-15 |
| FR2116374A1 (cg-RX-API-DMAC7.html) | 1972-07-13 |
| US3646279A (en) | 1972-02-29 |
| CA929865A (en) | 1973-07-10 |
| CH559404A5 (cg-RX-API-DMAC7.html) | 1975-02-28 |
| NL7113232A (cg-RX-API-DMAC7.html) | 1972-06-09 |
| DE2159573C2 (de) | 1982-04-29 |
| GB1367651A (en) | 1974-09-18 |
| NL171317B (nl) | 1982-10-01 |
| BE773904A (fr) | 1972-04-13 |
| FR2116374B1 (cg-RX-API-DMAC7.html) | 1977-01-14 |
| NL171317C (nl) | 1983-03-01 |
| JPS5322841B1 (cg-RX-API-DMAC7.html) | 1978-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |