DK109749C - Fremgangsmåde ved fremstilling af et under drift roterende magnethoved med flere magnetkredse, navnlig til videobåndoptagere. - Google Patents
Fremgangsmåde ved fremstilling af et under drift roterende magnethoved med flere magnetkredse, navnlig til videobåndoptagere.Info
- Publication number
- DK109749C DK109749C DK637864AA DK637864A DK109749C DK 109749 C DK109749 C DK 109749C DK 637864A A DK637864A A DK 637864AA DK 637864 A DK637864 A DK 637864A DK 109749 C DK109749 C DK 109749C
- Authority
- DK
- Denmark
- Prior art keywords
- vcrs
- manufacturing
- head rotating
- magnetic head
- several
- Prior art date
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
- G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
- G11B5/1335—Assembling or shaping of elements
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
- G11B5/53—Disposition or mounting of heads on rotating support
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49009—Dynamoelectric machine
- Y10T29/49011—Commutator or slip ring assembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Heads (AREA)
- Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL302797 | 1963-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK109749C true DK109749C (da) | 1968-06-24 |
Family
ID=19755337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK637864AA DK109749C (da) | 1963-12-31 | 1964-12-28 | Fremgangsmåde ved fremstilling af et under drift roterende magnethoved med flere magnetkredse, navnlig til videobåndoptagere. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3330033A (da) |
| AT (1) | AT248508B (da) |
| BE (1) | BE657715A (da) |
| CH (1) | CH438776A (da) |
| DK (1) | DK109749C (da) |
| ES (1) | ES307661A1 (da) |
| FR (1) | FR1419378A (da) |
| GB (1) | GB1031280A (da) |
| NL (1) | NL144807B (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3384954A (en) * | 1965-12-07 | 1968-05-28 | Ibm | Making multitrack magnetic transducer |
| US4509084A (en) * | 1981-05-11 | 1985-04-02 | Tokyo Shibaura Denki Kabushiki Kaisha | Rotary magnetic head |
| JPH0734249B2 (ja) * | 1989-02-01 | 1995-04-12 | シャープ株式会社 | 磁気記憶装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL57170C (da) * | 1938-08-26 | |||
| US2938731A (en) * | 1956-06-29 | 1960-05-31 | Richard C Meyer | Tape recorders |
| NL110074C (da) * | 1958-04-12 | |||
| DE1102803B (de) * | 1958-10-20 | 1961-03-23 | Siemens Ag | Einrichtung zur magnetischen Speicherung von Fernsehsignalen |
| US3229355A (en) * | 1962-01-02 | 1966-01-18 | Ibm | Method of making a magnetic transducer head |
-
1963
- 1963-12-31 NL NL63302797A patent/NL144807B/xx unknown
-
1964
- 1964-11-29 BE BE657715A patent/BE657715A/xx unknown
- 1964-12-28 DK DK637864AA patent/DK109749C/da active
- 1964-12-28 CH CH1672464A patent/CH438776A/de unknown
- 1964-12-28 AT AT1095864A patent/AT248508B/de active
- 1964-12-29 GB GB52604/64A patent/GB1031280A/en not_active Expired
- 1964-12-29 ES ES0307661A patent/ES307661A1/es not_active Expired
- 1964-12-31 FR FR611A patent/FR1419378A/fr not_active Expired
- 1964-12-31 US US422829A patent/US3330033A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH438776A (de) | 1967-06-30 |
| BE657715A (da) | 1965-06-29 |
| NL144807B (nl) | 1975-01-15 |
| AT248508B (de) | 1966-08-10 |
| GB1031280A (en) | 1966-06-02 |
| ES307661A1 (es) | 1965-04-16 |
| FR1419378A (fr) | 1965-11-26 |
| US3330033A (en) | 1967-07-11 |
| NL302797A (da) |
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