CA999373A - Magnetic recording system - Google Patents

Magnetic recording system

Info

Publication number
CA999373A
CA999373A CA160,495A CA160495A CA999373A CA 999373 A CA999373 A CA 999373A CA 160495 A CA160495 A CA 160495A CA 999373 A CA999373 A CA 999373A
Authority
CA
Canada
Prior art keywords
magnetic recording
recording system
magnetic
recording
Prior art date
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
Application number
CA160,495A
Other languages
English (en)
Other versions
CA160495S (en
Inventor
Eisuke Fujimoto
Keisuke Sato
Fujio Sato
Bunichiro Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akai Electric Co Ltd
Original Assignee
Akai Electric Co Ltd
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
Priority claimed from JP489472A external-priority patent/JPS4875011A/ja
Priority claimed from JP1448172A external-priority patent/JPS5316684B2/ja
Priority claimed from JP1448372A external-priority patent/JPS5316685B2/ja
Priority claimed from JP2176272U external-priority patent/JPS5323129Y2/ja
Application filed by Akai Electric Co Ltd filed Critical Akai Electric Co Ltd
Application granted granted Critical
Publication of CA999373A publication Critical patent/CA999373A/en
Expired legal-status Critical Current

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
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/921—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by recording or reproducing the baseband signal
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G11/00—Limiting amplitude; Limiting rate of change of amplitude
    • H03G11/02—Limiting amplitude; Limiting rate of change of amplitude by means of diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/14—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control
    • H03G9/16—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control incorporating negative feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Television Signal Processing For Recording (AREA)
CA160,495A 1972-01-08 1973-01-03 Magnetic recording system Expired CA999373A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP489472A JPS4875011A (cs) 1972-01-08 1972-01-08
JP1448172A JPS5316684B2 (cs) 1972-02-11 1972-02-11
JP1448372A JPS5316685B2 (cs) 1972-02-11 1972-02-11
JP2176272U JPS5323129Y2 (cs) 1972-02-22 1972-02-22

Publications (1)

Publication Number Publication Date
CA999373A true CA999373A (en) 1976-11-02

Family

ID=27454183

Family Applications (1)

Application Number Title Priority Date Filing Date
CA160,495A Expired CA999373A (en) 1972-01-08 1973-01-03 Magnetic recording system

Country Status (10)

Country Link
US (1) US3873992A (cs)
AU (1) AU476352B2 (cs)
BE (1) BE793740A (cs)
CA (1) CA999373A (cs)
CH (1) CH550452A (cs)
DE (1) DE2300524C2 (cs)
FR (1) FR2167823B1 (cs)
GB (1) GB1423031A (cs)
IT (1) IT978025B (cs)
NL (1) NL177449C (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327010A (en) * 1976-08-25 1978-03-13 Sony Corp Signal tran smitter
US4263624A (en) * 1978-12-12 1981-04-21 Dolby Laboratories Licensing Corporation Analog recording on magnetic media
US4510536A (en) * 1982-07-16 1985-04-09 Discovision Associates Signal conditioning method and apparatus for FM code signal
US5191300A (en) * 1992-05-15 1993-03-02 Tutankhamon Electronics, Inc. Local area network amplifier for twisted pair lines

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697755A (en) * 1950-10-31 1954-12-21 Rca Corp Magnetic record system
US3111635A (en) * 1960-05-05 1963-11-19 Fairchild Recording Equipment Method and apparatus for eliminating overloading in modulating systems having pre-emphasis means
NL293818A (cs) * 1962-06-07
US3300590A (en) * 1963-01-03 1967-01-24 Cronin Daniel Magnetic tape signal transfer compensation system
US3218620A (en) * 1964-11-16 1965-11-16 Minnesota Mining & Mfg Two track reproducing system with two recorded levels utilizing a variable impedance element
GB1161002A (en) * 1966-02-21 1969-08-13 Royal Industries Improvements in and relating to Hearing Aids
US3621151A (en) * 1969-10-15 1971-11-16 Grt Corp Frequency selective audio limiter
NL163388C (nl) * 1971-05-04 1980-08-15 Philips Nv Ruisonderdrukkingsschakeling.

Also Published As

Publication number Publication date
DE2300524C2 (de) 1988-09-29
NL177449B (nl) 1985-04-16
AU5075973A (en) 1974-07-04
NL177449C (nl) 1985-09-16
GB1423031A (en) 1976-01-28
US3873992A (en) 1975-03-25
BE793740A (fr) 1973-05-02
AU476352B2 (en) 1976-09-16
CH550452A (de) 1974-06-14
NL7300206A (cs) 1973-07-10
DE2300524A1 (de) 1973-08-02
FR2167823B1 (cs) 1977-02-04
FR2167823A1 (cs) 1973-08-24
IT978025B (it) 1974-09-20

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