ES175016A1 - Mejoras en los dispositivos de pick-up fonográfico - Google Patents
Mejoras en los dispositivos de pick-up fonográficoInfo
- Publication number
- ES175016A1 ES175016A1 ES175016A ES175016A ES175016A1 ES 175016 A1 ES175016 A1 ES 175016A1 ES 175016 A ES175016 A ES 175016A ES 175016 A ES175016 A ES 175016A ES 175016 A1 ES175016 A1 ES 175016A1
- Authority
- ES
- Spain
- Prior art keywords
- devices
- phonographic
- pick
- phonographic pick
- Prior art date
- 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
- H04R15/00—Magnetostrictive transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US624362A US2471542A (en) | 1945-10-25 | 1945-10-25 | Phonograph pickup unit using magnetostrictive wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES175016A1 true ES175016A1 (es) | 1946-11-01 |
Family
ID=24501704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES175016A Expired ES175016A1 (es) | 1945-10-25 | 1946-09-19 | Mejoras en los dispositivos de pick-up fonográfico |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2471542A (es) |
| ES (1) | ES175016A1 (es) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2621260A (en) * | 1947-01-24 | 1952-12-09 | Sykes Adrian Francis | Electrical sound recording, reproducing, and like apparatus |
| US2643367A (en) * | 1948-01-05 | 1953-06-23 | Phillips Petroleum Co | Magnetostriction seismometer |
| US2613283A (en) * | 1948-12-09 | 1952-10-07 | Alertronic Protective Corp Of | Vibration transducer assembly |
| US2623938A (en) * | 1949-03-21 | 1952-12-30 | Phillips Petroleum Co | Seismometer |
| US2736824A (en) * | 1950-12-21 | 1956-02-28 | Rca Corp | Magnetostrictive ferrites |
| US2676227A (en) * | 1952-04-25 | 1954-04-20 | Fox Paul Xavier | Variable electrical resistance and potentiometer |
| US3011081A (en) * | 1956-07-05 | 1961-11-28 | Vyzk A Zkusebni Letecky Ustav | Feeler member for transforming a mechanical value into an electric value |
| US2945192A (en) * | 1957-09-16 | 1960-07-12 | Standard Coil Prod Co Inc | Frequency modulated crystal generator |
| US3670944A (en) * | 1970-02-12 | 1972-06-20 | Ibm | Miniature ultrasonic bonding device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US351905A (en) * | 1886-11-02 | eickemeyer | ||
| DE513062C (de) * | 1928-01-25 | 1930-11-22 | Gustav Scheel | Elektrische Wiedergabedose fuer Schallplattenuebertragung |
| US1821836A (en) * | 1930-04-07 | 1931-09-01 | Gen Electric | Pick-up device |
| US1882400A (en) * | 1931-03-04 | 1932-10-11 | Pierce | Vibratory device |
| US2348352A (en) * | 1941-05-21 | 1944-05-09 | Bell Telephone Labor Inc | Alternating current generator |
-
1945
- 1945-10-25 US US624362A patent/US2471542A/en not_active Expired - Lifetime
-
1946
- 1946-09-19 ES ES175016A patent/ES175016A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2471542A (en) | 1949-05-31 |
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