DK111987B - Grammofonpick-up til stereofonisk lydgengivelse. - Google Patents
Grammofonpick-up til stereofonisk lydgengivelse.Info
- Publication number
- DK111987B DK111987B DK72859A DK72859A DK111987B DK 111987 B DK111987 B DK 111987B DK 72859 A DK72859 A DK 72859A DK 72859 A DK72859 A DK 72859A DK 111987 B DK111987 B DK 111987B
- Authority
- DK
- Denmark
- Prior art keywords
- sound reproduction
- stereophonic sound
- gramophone pick
- gramophone
- pick
- Prior art date
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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/16—Mounting or connecting stylus to transducer with or without damping means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R17/06—Gramophone pick-ups using a stylus; Recorders using a stylus comprising two or more styli or transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R17/08—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)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrophonic Musical Instruments (AREA)
- Moving Of Heads (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US717859A US3309469A (en) | 1958-02-27 | 1958-02-27 | Phonograph pickup |
US753482A US3108161A (en) | 1958-08-06 | 1958-08-06 | Stereophonic phonograph pickup |
Publications (1)
Publication Number | Publication Date |
---|---|
DK111987B true DK111987B (da) | 1968-10-28 |
Family
ID=27109789
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK72859A DK111987B (da) | 1958-02-27 | 1959-02-26 | Grammofonpick-up til stereofonisk lydgengivelse. |
DK119565A DK126455B (da) | 1958-02-27 | 1965-03-08 | Grammofonpick-up til afspilning af grammofonplader. |
DK64068A DK115015B (da) | 1958-02-27 | 1968-02-16 | Grammofonpick-up til stereofonisk lydgengivelse. |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK119565A DK126455B (da) | 1958-02-27 | 1965-03-08 | Grammofonpick-up til afspilning af grammofonplader. |
DK64068A DK115015B (da) | 1958-02-27 | 1968-02-16 | Grammofonpick-up til stereofonisk lydgengivelse. |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS516521B1 (pt) |
CH (1) | CH369291A (pt) |
DE (1) | DE1120725B (pt) |
DK (3) | DK111987B (pt) |
ES (1) | ES247501A1 (pt) |
FR (1) | FR1227317A (pt) |
GB (1) | GB909597A (pt) |
NL (4) | NL109649C (pt) |
-
0
- NL NL236540D patent/NL236540A/xx unknown
- NL NL296654D patent/NL296654A/xx unknown
- NL NL137499D patent/NL137499C/xx active
- NL NL109649D patent/NL109649C/xx active
-
1959
- 1959-02-12 DE DER24946A patent/DE1120725B/de active Pending
- 1959-02-13 GB GB517559A patent/GB909597A/en not_active Expired
- 1959-02-24 ES ES0247501A patent/ES247501A1/es not_active Expired
- 1959-02-24 FR FR787583A patent/FR1227317A/fr not_active Expired
- 1959-02-25 CH CH7009459A patent/CH369291A/de unknown
- 1959-02-26 DK DK72859A patent/DK111987B/da unknown
-
1965
- 1965-03-08 DK DK119565A patent/DK126455B/da unknown
-
1968
- 1968-02-16 DK DK64068A patent/DK115015B/da unknown
-
1973
- 1973-12-11 JP JP13743073A patent/JPS516521B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CH369291A (de) | 1963-05-15 |
DK126455B (da) | 1973-07-16 |
NL236540A (pt) | |
DK115015B (da) | 1969-08-25 |
NL296654A (pt) | |
NL137499C (pt) | |
FR1227317A (fr) | 1960-08-19 |
GB909597A (en) | 1962-10-31 |
DE1120725B (de) | 1961-12-28 |
JPS516521B1 (pt) | 1976-02-28 |
NL109649C (pt) | |
ES247501A1 (es) | 1959-06-16 |
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