FR805434A - Process for recording and reproducing sounds - Google Patents
Process for recording and reproducing soundsInfo
- Publication number
- FR805434A FR805434A FR805434DA FR805434A FR 805434 A FR805434 A FR 805434A FR 805434D A FR805434D A FR 805434DA FR 805434 A FR805434 A FR 805434A
- Authority
- FR
- France
- Prior art keywords
- recording
- reproducing sounds
- sounds
- reproducing
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE805434X | 1935-04-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR805434A true FR805434A (en) | 1936-11-19 |
Family
ID=6722345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR805434D Expired FR805434A (en) | 1935-04-13 | 1936-04-11 | Process for recording and reproducing sounds |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR805434A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2431541A (en) * | 1945-05-31 | 1947-11-25 | Armour Res Found | Magnetic recording head |
US2431540A (en) * | 1945-03-02 | 1947-11-25 | Armour Res Found | Magnetic recording head |
US2475421A (en) * | 1945-05-30 | 1949-07-05 | Armour Res Found | Combined erasing and recording magnetic transducer |
US2497654A (en) * | 1945-05-29 | 1950-02-14 | Brush Dev Co | System for magnetically recording a modulated carrier in push-pull |
US2535480A (en) * | 1945-08-27 | 1950-12-26 | Brush Dev Co | Magnetic recording and reproducing |
US2596912A (en) * | 1948-08-13 | 1952-05-13 | Daystrom Electric Corp | Multigap magnetic transducer head |
US2628285A (en) * | 1950-01-05 | 1953-02-10 | Armour Res Found | Electromagnetic transducer head |
US2655562A (en) * | 1945-02-23 | 1953-10-13 | Stromberg Carlson Co | Erasing head for magnetic recording |
US2697754A (en) * | 1949-03-31 | 1954-12-21 | Richard H Ranger | Magnetic sound recording |
US2702835A (en) * | 1945-08-25 | 1955-02-22 | Armour Res Found | Erase head for magnetic recorder |
DE966670C (en) * | 1944-01-20 | 1957-08-29 | Armour Res Foundation Of Illin | Magnetic recording device |
US3048666A (en) * | 1959-02-05 | 1962-08-07 | Ibm | Transducer with low microphonics |
US3370132A (en) * | 1963-03-28 | 1968-02-20 | Andrew E. Flanders | Polarized magnetic recording |
-
1936
- 1936-04-11 FR FR805434D patent/FR805434A/en not_active Expired
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE966670C (en) * | 1944-01-20 | 1957-08-29 | Armour Res Foundation Of Illin | Magnetic recording device |
US2655562A (en) * | 1945-02-23 | 1953-10-13 | Stromberg Carlson Co | Erasing head for magnetic recording |
US2431540A (en) * | 1945-03-02 | 1947-11-25 | Armour Res Found | Magnetic recording head |
US2497654A (en) * | 1945-05-29 | 1950-02-14 | Brush Dev Co | System for magnetically recording a modulated carrier in push-pull |
US2475421A (en) * | 1945-05-30 | 1949-07-05 | Armour Res Found | Combined erasing and recording magnetic transducer |
US2431541A (en) * | 1945-05-31 | 1947-11-25 | Armour Res Found | Magnetic recording head |
US2702835A (en) * | 1945-08-25 | 1955-02-22 | Armour Res Found | Erase head for magnetic recorder |
US2535480A (en) * | 1945-08-27 | 1950-12-26 | Brush Dev Co | Magnetic recording and reproducing |
US2596912A (en) * | 1948-08-13 | 1952-05-13 | Daystrom Electric Corp | Multigap magnetic transducer head |
US2697754A (en) * | 1949-03-31 | 1954-12-21 | Richard H Ranger | Magnetic sound recording |
US2628285A (en) * | 1950-01-05 | 1953-02-10 | Armour Res Found | Electromagnetic transducer head |
US3048666A (en) * | 1959-02-05 | 1962-08-07 | Ibm | Transducer with low microphonics |
US3370132A (en) * | 1963-03-28 | 1968-02-20 | Andrew E. Flanders | Polarized magnetic recording |
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