NL232569A - - Google Patents
Info
- Publication number
- NL232569A NL232569A NL232569DA NL232569A NL 232569 A NL232569 A NL 232569A NL 232569D A NL232569D A NL 232569DA NL 232569 A NL232569 A NL 232569A
- Authority
- NL
- Netherlands
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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEE14862A DE1105628B (de) | 1957-10-30 | 1957-10-30 | Elektromagnetischer Tonabnehmer zur Abtastung von Zweikomponenten-schallschrift |
DEE0015377 | 1958-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL232569A true NL232569A (fr) |
Family
ID=25972912
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL106582D NL106582C (fr) | 1957-10-30 | ||
NL232569D NL232569A (fr) | 1957-10-30 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL106582D NL106582C (fr) | 1957-10-30 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3463889A (fr) |
DE (1) | DE1105628B (fr) |
GB (1) | GB897323A (fr) |
NL (2) | NL232569A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2235484C2 (de) * | 1972-07-20 | 1974-08-29 | Electroacustic Gmbh, 2300 Kiel | Elektromagnetischer Tonabnehmer |
GB1447391A (en) * | 1972-08-17 | 1976-08-25 | Nagamura F | Grooved record playback system |
CH567856A5 (fr) * | 1973-05-29 | 1975-10-15 | Huber & Co | |
JPS5830798B2 (ja) * | 1973-12-22 | 1983-07-01 | ソニー株式会社 | ム−ビイングマグネツトガタカ−トリツジ |
JPS5130701A (ja) * | 1974-09-07 | 1976-03-16 | Nippon Atsudenki Kk | Sutereoyopitsukuatsupu |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1855150A (en) * | 1928-10-10 | 1932-04-19 | Jones W Rartlett | Reproduction of sound |
US1804961A (en) * | 1928-10-12 | 1931-05-12 | Adolph A Thomas | Electromagnetic instrument |
CH151718A (fr) * | 1929-01-14 | 1931-12-31 | Alexandre Huguenard Eugene | Installation phonographique pour films à enregistrement en profondeur. |
GB334551A (en) * | 1929-06-05 | 1930-09-05 | British Thomson Houston Co Ltd | Improvements relating to electro-magnetic gramophone pick-ups or recorders |
GB336648A (en) * | 1929-07-15 | 1930-10-15 | Herbert Edward Holman | Improvements in and relating to electrical sound reproducing instruments |
GB394325A (en) * | 1931-12-14 | 1933-06-14 | Alan Dower Blumlein | Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems |
FR747504A (fr) * | 1931-12-14 | 1933-06-16 | ||
US2507708A (en) * | 1945-12-22 | 1950-05-16 | Pennsylvania Electronics Inc | Phonograph pickup having permanent magnet armature |
US2670407A (en) * | 1949-02-17 | 1954-02-23 | Magnavox Co | Drive system for crystal pickups |
DE816311C (de) * | 1949-05-04 | 1951-10-08 | Telefunken Gmbh | Tonabnehmer |
US2875282A (en) * | 1953-10-06 | 1959-02-24 | Earl M Reiback | Binaural phonograph pickup |
US2864897A (en) * | 1958-02-17 | 1958-12-16 | Hoffman Electronics Corp | Universal phonograph pickup head or the like |
-
0
- NL NL106582D patent/NL106582C/xx active
- NL NL232569D patent/NL232569A/xx unknown
-
1957
- 1957-10-30 DE DEE14862A patent/DE1105628B/de active Pending
-
1958
- 1958-10-21 US US768785A patent/US3463889A/en not_active Expired - Lifetime
- 1958-10-30 GB GB34829/58A patent/GB897323A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1105628B (de) | 1961-04-27 |
NL106582C (fr) | |
GB897323A (en) | 1962-05-23 |
US3463889A (en) | 1969-08-26 |