CH512126A - Magnettrommeleinrichtung - Google Patents
MagnettrommeleinrichtungInfo
- Publication number
- CH512126A CH512126A CH1067469A CH1067469A CH512126A CH 512126 A CH512126 A CH 512126A CH 1067469 A CH1067469 A CH 1067469A CH 1067469 A CH1067469 A CH 1067469A CH 512126 A CH512126 A CH 512126A
- Authority
- CH
- Switzerland
- Prior art keywords
- magnetic drum
- drum device
- magnetic
- drum
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/02—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using cylindrical record carriers
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/76—Drum carriers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74405968A | 1968-07-11 | 1968-07-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH512126A true CH512126A (de) | 1971-08-31 |
Family
ID=24991261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1067469A CH512126A (de) | 1968-07-11 | 1969-07-11 | Magnettrommeleinrichtung |
Country Status (9)
Country | Link |
---|---|
US (1) | US3623120A (de) |
JP (1) | JPS4912408B1 (de) |
AT (1) | AT300417B (de) |
CH (1) | CH512126A (de) |
DE (1) | DE1934437A1 (de) |
FR (1) | FR2013376A1 (de) |
GB (1) | GB1260239A (de) |
NL (1) | NL6910619A (de) |
SE (1) | SE359672B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3813678A (en) * | 1971-08-06 | 1974-05-28 | Rca Corp | Hinged drum system |
BE791363A (fr) * | 1971-11-15 | 1973-05-14 | Xerox Corp | Dispositifs de compensation thermique pour unite de memoire a disque |
JPS535720U (de) * | 1976-07-02 | 1978-01-19 | ||
US4604667A (en) * | 1981-10-27 | 1986-08-05 | Victor Company Of Japan, Ltd. | Recording medium for recording and/or reproducing apparatus |
US4567535A (en) * | 1981-10-27 | 1986-01-28 | Victor Company Of Japan, Ltd. | Recording and/or reproducing apparatus |
US5764429A (en) * | 1996-04-29 | 1998-06-09 | Eastman Kodak Company | Magnetic writing of repetitive information on magnetic wheel and magnization head for media |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3174152A (en) * | 1959-09-30 | 1965-03-16 | Ibm | Magnetic drum |
US3138848A (en) * | 1961-04-21 | 1964-06-30 | Ex Cell O Corp | Hollow drum apparatus |
-
1968
- 1968-07-11 US US744059A patent/US3623120A/en not_active Expired - Lifetime
-
1969
- 1969-07-04 GB GB33886/69A patent/GB1260239A/en not_active Expired
- 1969-07-07 DE DE19691934437 patent/DE1934437A1/de active Pending
- 1969-07-07 AT AT652069A patent/AT300417B/de not_active IP Right Cessation
- 1969-07-09 SE SE09736/69A patent/SE359672B/xx unknown
- 1969-07-10 JP JP44054765A patent/JPS4912408B1/ja active Pending
- 1969-07-10 NL NL6910619A patent/NL6910619A/xx unknown
- 1969-07-11 FR FR6923749A patent/FR2013376A1/fr not_active Withdrawn
- 1969-07-11 CH CH1067469A patent/CH512126A/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2013376A1 (de) | 1970-04-03 |
US3623120A (en) | 1971-11-23 |
SE359672B (de) | 1973-09-03 |
AT300417B (de) | 1972-07-25 |
JPS4912408B1 (de) | 1974-03-25 |
GB1260239A (en) | 1972-01-12 |
DE1934437A1 (de) | 1970-01-15 |
NL6910619A (de) | 1970-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |