BE884112A - Dispositif pour la reproduction de signaux a frequence audio - Google Patents

Dispositif pour la reproduction de signaux a frequence audio

Info

Publication number
BE884112A
BE884112A BE0/201263A BE201263A BE884112A BE 884112 A BE884112 A BE 884112A BE 0/201263 A BE0/201263 A BE 0/201263A BE 201263 A BE201263 A BE 201263A BE 884112 A BE884112 A BE 884112A
Authority
BE
Belgium
Prior art keywords
audio frequency
frequency signals
reproducing audio
reproducing
signals
Prior art date
Application number
BE0/201263A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BE884112A publication Critical patent/BE884112A/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
    • G06G7/184—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements
    • G06G7/186—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements using an operational amplifier comprising a capacitor or a resistor in the feedback loop
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Selective Calling Equipment (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
BE0/201263A 1979-07-03 1980-07-01 Dispositif pour la reproduction de signaux a frequence audio BE884112A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7905160A NL7905160A (nl) 1979-07-03 1979-07-03 Inrichting voor het weergeven van audiosignalen.

Publications (1)

Publication Number Publication Date
BE884112A true BE884112A (fr) 1981-01-05

Family

ID=19833466

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/201263A BE884112A (fr) 1979-07-03 1980-07-01 Dispositif pour la reproduction de signaux a frequence audio

Country Status (13)

Country Link
US (1) US4376292A (fr)
JP (1) JPS5611605A (fr)
AU (1) AU540309B2 (fr)
BE (1) BE884112A (fr)
CA (1) CA1150400A (fr)
CH (1) CH654132A5 (fr)
DE (1) DE3024498A1 (fr)
ES (1) ES8103426A1 (fr)
FR (1) FR2461322A1 (fr)
GB (1) GB2054943B (fr)
IT (1) IT1198336B (fr)
NL (1) NL7905160A (fr)
NO (1) NO801969L (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503396A (en) * 1982-04-02 1985-03-05 Ampex Corporation Circuit and method for generating a ramp signal
US4851936A (en) * 1986-08-15 1989-07-25 Fuji Photo Film Co., Ltd. Erasing method for erasing information corrected on a magnetic recording medium
JP2652157B2 (ja) * 1986-09-24 1997-09-10 横浜ゴム株式会社 空気入りタイヤ
US5686505A (en) * 1994-12-07 1997-11-11 Bridgestone Corporation Process and apparatus for surface treatment of unvulcanized rubber sheet
KR101275319B1 (ko) * 2011-11-11 2013-06-17 도시바삼성스토리지테크놀러지코리아 주식회사 광 디스크 드라이브
US8699161B2 (en) * 2012-03-09 2014-04-15 Lsi Corporation Storage device having write signal with multiple-slope data transition

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2962560A (en) * 1955-05-09 1960-11-29 Kenneth H Folse Method of demagnetizing a magnetic record
US3038036A (en) * 1957-06-14 1962-06-05 Ibm Magnetic erase means
DE1140358B (de) * 1958-09-26 1962-11-29 Siemens Ag Einrichtung zum allmaehlichen Ein- und Ausblenden von Schallaufzeichnungen auf Magnetogrammtraegern
US3156784A (en) * 1961-01-30 1964-11-10 Ibm Magnetic eraser

Also Published As

Publication number Publication date
ES492975A0 (es) 1981-02-16
JPS6231403B2 (fr) 1987-07-08
DE3024498C2 (fr) 1989-10-26
NO801969L (no) 1981-01-05
ES8103426A1 (es) 1981-02-16
AU5976480A (en) 1981-01-15
CH654132A5 (de) 1986-01-31
IT8023144A0 (it) 1980-06-30
CA1150400A (fr) 1983-07-19
AU540309B2 (en) 1984-11-08
JPS5611605A (en) 1981-02-05
FR2461322B1 (fr) 1983-03-11
FR2461322A1 (fr) 1981-01-30
DE3024498A1 (de) 1981-01-22
NL7905160A (nl) 1981-01-06
GB2054943A (en) 1981-02-18
US4376292A (en) 1983-03-08
GB2054943B (en) 1983-03-30
IT1198336B (it) 1988-12-21

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN

Effective date: 19850731