FR2281009B1 - - Google Patents
Info
- Publication number
- FR2281009B1 FR2281009B1 FR7512560A FR7512560A FR2281009B1 FR 2281009 B1 FR2281009 B1 FR 2281009B1 FR 7512560 A FR7512560 A FR 7512560A FR 7512560 A FR7512560 A FR 7512560A FR 2281009 B1 FR2281009 B1 FR 2281009B1
- Authority
- FR
- France
- 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
- G11B5/027—Analogue recording
- G11B5/035—Equalising
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/12—Shaping pulses by steepening leading or trailing edges
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Digital Magnetic Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US49318974 UST943004I4 (US06826419-20041130-M00005.png) | 1974-07-30 | 1974-07-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2281009A1 FR2281009A1 (fr) | 1976-02-27 |
| FR2281009B1 true FR2281009B1 (US06826419-20041130-M00005.png) | 1977-11-25 |
Family
ID=23959253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7512560A Granted FR2281009A1 (fr) | 1974-07-30 | 1975-04-16 | Amelioration des circuits de correction (ou d'egalisation) des signaux de lecture |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | UST943004I4 (US06826419-20041130-M00005.png) |
| FR (1) | FR2281009A1 (US06826419-20041130-M00005.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4327383A (en) * | 1980-09-26 | 1982-04-27 | Siemens Corporation | Read circuit for a floppy disk drive |
| US4875112A (en) * | 1985-12-31 | 1989-10-17 | International Business Machines Corporation | Compound pulse dimming circuitry for conditioning readback signals |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB966941A (en) * | 1962-08-24 | 1964-08-19 | Muirhead & Co Ltd | Improvements in or relating to electrical waveform restoring device |
| BE636525A (US06826419-20041130-M00005.png) * | 1962-09-07 | 1900-01-01 | ||
| FR1396183A (fr) * | 1963-05-27 | 1965-04-16 | Ibm | Circuits de mise en forme de signaux |
-
1974
- 1974-07-30 US US49318974 patent/UST943004I4/en active Pending
-
1975
- 1975-04-16 FR FR7512560A patent/FR2281009A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| UST943004I4 (US06826419-20041130-M00005.png) | 1976-02-03 |
| FR2281009A1 (fr) | 1976-02-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |