NL224365A - - Google Patents
Info
- Publication number
- NL224365A NL224365A NL224365DA NL224365A NL 224365 A NL224365 A NL 224365A NL 224365D A NL224365D A NL 224365DA NL 224365 A NL224365 A NL 224365A
- Authority
- NL
- Netherlands
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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Measuring Magnetic Variables (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US636642A US2875429A (en) | 1957-01-28 | 1957-01-28 | Phase sensitive magnetic head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL224365A true NL224365A (en:Method) |
Family
ID=24552743
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL224364D NL224364A (en:Method) | 1957-01-28 | ||
| NL224365D NL224365A (en:Method) | 1957-01-28 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL224364D NL224364A (en:Method) | 1957-01-28 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2875429A (en:Method) |
| DE (1) | DE1088726B (en:Method) |
| FR (1) | FR1202124A (en:Method) |
| GB (1) | GB856755A (en:Method) |
| NL (2) | NL224365A (en:Method) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3045220A (en) * | 1957-12-11 | 1962-07-17 | Armour Res Found | Magnetic modulator system |
| US3103653A (en) * | 1958-10-20 | 1963-09-10 | Westinghouse Electric Corp | Indicational system for electromagnets |
| US3071774A (en) * | 1959-08-07 | 1963-01-01 | Standard Conveyor Co | Magnetic recorders |
| FR1296703A (fr) * | 1961-05-10 | 1962-06-22 | Saxby Ets | Détecteur de passage pour la signalisation ferroviaire |
| US3209245A (en) * | 1961-12-05 | 1965-09-28 | Gen Electric | Inductive metal detection device |
| US3281825A (en) * | 1963-01-25 | 1966-10-25 | United Aircraft Corp | Non-contacting encoder |
| NL298177A (en:Method) * | 1963-01-30 | |||
| US3293636A (en) * | 1963-07-22 | 1966-12-20 | Unimation Inc | Magnetic flux responsive sensing device |
| DE1239363B (de) * | 1963-12-04 | 1967-04-27 | Standard Elektrik Lorenz Ag | Schaltungsanordnung mit magnetischen Koppelelementen zur Codeumsetzung, insbesondere in Fernsprechvermittlungsanlagen |
| DE1256926B (de) * | 1964-03-07 | 1967-12-21 | Olympia Werke Ag | Abtastvorrichtung fuer gelochte Aufzeichnungstraeger |
| GB1135041A (en) * | 1965-02-11 | 1968-11-27 | Plessey Uk Ltd | Improvements in or relating to machines for detecting a magnetic or a conductive deposit on a carrier |
| US3508031A (en) * | 1965-08-23 | 1970-04-21 | Ind Instrumentations Inc | Control system employing card having conductive inserts |
| FR1509926A (fr) * | 1966-03-21 | 1968-01-19 | Saint Gobain Techn Nouvelles | Circuit multiplicateur scalaire |
| US3505595A (en) * | 1966-10-20 | 1970-04-07 | Robert Favre | Rotational speed sensor utilizing the phase shift caused by superposition of an a.c. signal in the sensor and a signal induced from the rotating body |
| US3557321A (en) * | 1967-10-25 | 1971-01-19 | Nippon Electronics Co Ltd | System for detecting a magnetic thin film |
| US3435443A (en) * | 1968-03-05 | 1969-03-25 | Molins Organisation Ltd | Flux sensitive transducer with tuned resonant circuit |
| US3896371A (en) * | 1973-12-17 | 1975-07-22 | Allen W Hametta | Metal detector with a resonating circuit being driven by a frequency higher than its natural resonance frequency |
| US4005359A (en) * | 1975-11-07 | 1977-01-25 | Smoot William N | Resonant frequency measuring device for gauging coating thickness |
| JP2005181173A (ja) * | 2003-12-22 | 2005-07-07 | Toshiba Corp | 磁性体量検出装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2722569A (en) * | 1951-04-12 | 1955-11-01 | Socony Mobil Oil Co Inc | Reproduction of low-frequency magnetically recorded signals |
-
0
- NL NL224364D patent/NL224364A/xx unknown
- NL NL224365D patent/NL224365A/xx unknown
-
1957
- 1957-01-28 US US636642A patent/US2875429A/en not_active Expired - Lifetime
- 1957-07-29 GB GB23896/57A patent/GB856755A/en not_active Expired
-
1958
- 1958-01-20 FR FR1202124D patent/FR1202124A/fr not_active Expired
- 1958-01-25 DE DEI14307A patent/DE1088726B/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB856755A (en) | 1960-12-21 |
| NL224364A (en:Method) | |
| DE1088726C2 (en:Method) | 1961-03-09 |
| US2875429A (en) | 1959-02-24 |
| DE1088726B (de) | 1960-09-08 |
| FR1202124A (fr) | 1960-01-07 |