CH402438A - Appareil de reproduction magnétique - Google Patents

Appareil de reproduction magnétique

Info

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
Application number
CH1085463A
Other languages
English (en)
Inventor
Peter Skov Erling
Original Assignee
Ampex
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ampex filed Critical Ampex
Publication of CH402438A publication Critical patent/CH402438A/fr

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)
CH1085463A 1962-09-04 1963-09-03 Appareil de reproduction magnétique CH402438A (fr)

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)

* Cited by examiner, † Cited by third party
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
EP0264812B1 (fr) * 1986-10-20 1994-07-13 Hitachi, Ltd. Circuit préamplificateur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
GB1008257A (en) 1965-10-27
DE1449316A1 (de) 1969-04-10
DE1449316B2 (de) 1972-06-22
US3310637A (en) 1967-03-21
NL296915A (fr)

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