CH402438A - Appareil de reproduction magnétique - Google Patents
Appareil de reproduction magnétiqueInfo
- Publication number
- CH402438A CH402438A CH1085463A CH1085463A CH402438A CH 402438 A CH402438 A CH 402438A CH 1085463 A CH1085463 A CH 1085463A CH 1085463 A CH1085463 A CH 1085463A CH 402438 A CH402438 A CH 402438A
- Authority
- CH
- Switzerland
- Prior art keywords
- reproduction device
- magnetic reproduction
- magnetic
- reproduction
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/931—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal
- H04N5/9315—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal the level control being frequency dependent
-
- 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
-
- 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
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/372—Noise reduction and elimination in amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US221217A US3310637A (en) | 1962-09-04 | 1962-09-04 | Magnetic reproduce head using negative feedback to obtain maximum mid-band response |
Publications (1)
Publication Number | Publication Date |
---|---|
CH402438A true CH402438A (fr) | 1965-11-15 |
Family
ID=22826874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1085463A CH402438A (fr) | 1962-09-04 | 1963-09-03 | Appareil de reproduction magnétique |
Country Status (5)
Country | Link |
---|---|
US (1) | US3310637A (fr) |
CH (1) | CH402438A (fr) |
DE (1) | DE1449316B2 (fr) |
GB (1) | GB1008257A (fr) |
NL (1) | NL296915A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4011585A (en) * | 1974-07-12 | 1977-03-08 | Pioneer Electronic Corporation | Magnetic recording reproducing system |
US4134140A (en) * | 1976-10-01 | 1979-01-09 | Eastman Technology, Inc. | Voltage mode amplifier for use with a high Q magnetic head |
JPS6012683B2 (ja) * | 1977-03-11 | 1985-04-03 | 株式会社日立製作所 | 映像信号再生回路 |
DE3750208D1 (de) * | 1986-10-20 | 1994-08-18 | Hitachi Ltd | Vorverstärkerschaltung. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2649506A (en) * | 1948-01-16 | 1953-08-18 | Int Standard Electric Corp | Negative feedback applied to magnetic recording |
US2697756A (en) * | 1950-11-08 | 1954-12-21 | Prod Perfectone S A | Magnetic recording apparatus |
US2745909A (en) * | 1951-03-08 | 1956-05-15 | William B Anspacher | Screen-grid neutralized amplifier |
US2803758A (en) * | 1954-09-30 | 1957-08-20 | Ibm | Transistor amplifier clipping circuit |
US2828368A (en) * | 1955-05-25 | 1958-03-25 | Armour Res Found | Magnetic reproduction system |
US2830262A (en) * | 1955-09-07 | 1958-04-08 | Gen Electric | Magnetic core test apparatus |
-
0
- NL NL296915D patent/NL296915A/xx unknown
-
1962
- 1962-09-04 US US221217A patent/US3310637A/en not_active Expired - Lifetime
-
1963
- 1963-08-23 GB GB33493/63A patent/GB1008257A/en not_active Expired
- 1963-09-03 CH CH1085463A patent/CH402438A/fr unknown
- 1963-09-04 DE DE19631449316 patent/DE1449316B2/de active Pending
Also Published As
Publication number | Publication date |
---|---|
US3310637A (en) | 1967-03-21 |
DE1449316B2 (de) | 1972-06-22 |
DE1449316A1 (de) | 1969-04-10 |
NL296915A (fr) | |
GB1008257A (en) | 1965-10-27 |
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