DE2926473C2 - - Google Patents
Info
- Publication number
- DE2926473C2 DE2926473C2 DE19792926473 DE2926473A DE2926473C2 DE 2926473 C2 DE2926473 C2 DE 2926473C2 DE 19792926473 DE19792926473 DE 19792926473 DE 2926473 A DE2926473 A DE 2926473A DE 2926473 C2 DE2926473 C2 DE 2926473C2
- Authority
- DE
- Germany
- 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
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
- G11B23/502—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of tape carriers
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/04—Preventing, inhibiting, or warning against accidental erasing or double recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
- G11B15/06—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape
- G11B15/08—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape by photoelectric sensing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
-
- 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
-
- 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
- G11B5/024—Erasing
- G11B5/0245—Bulk erasing
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2809992A DE2809992C3 (de) | 1978-03-08 | 1978-03-08 | Datenlöschgerät für Magnetbänder, insbesondere Computerbänder |
IT04812/79A IT1120822B (it) | 1978-03-08 | 1979-03-05 | Apparecchio cancellatore di dati per nastri magnetici,in particolare nastri per computer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2926473A1 DE2926473A1 (de) | 1980-09-18 |
DE2926473C2 true DE2926473C2 (me) | 1987-04-16 |
Family
ID=25774014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19792926473 Granted DE2926473A1 (de) | 1978-03-08 | 1979-06-30 | Datenloeschgeraet fuer magnetbaender, insbesondere computerbaender |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2926473A1 (me) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6098505A (ja) * | 1983-11-02 | 1985-06-01 | Canon Inc | 消去装置 |
CN111795655B (zh) * | 2020-08-04 | 2021-10-08 | 苏交科集团股份有限公司 | 一种轮廓标安装角度测量装置及其测量方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE972166C (de) * | 1942-06-03 | 1959-05-27 | Telefunken Gmbh | Verfahren und Vorrichtung zum Loeschen eines Magnetogrammtraegers, der zu einer Spule gewickelt ist |
DE2629894C2 (de) * | 1976-07-02 | 1978-08-03 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zum Löschen eines ganz oder teilweise mit Daten beschriebenen Magnetbandes |
-
1979
- 1979-06-30 DE DE19792926473 patent/DE2926473A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2926473A1 (de) | 1980-09-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
AF | Is addition to no. |
Ref country code: DE Ref document number: 2809992 Format of ref document f/p: P |
|
AF | Is addition to no. |
Ref country code: DE Ref document number: 2809992 Format of ref document f/p: P |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8340 | Patent of addition ceased/non-payment of fee of main patent |