NL7812490A - DEVICE FOR RECORDING ANALOGUE INFORMATION ON A MAGNETIC MEDIUM. - Google Patents

DEVICE FOR RECORDING ANALOGUE INFORMATION ON A MAGNETIC MEDIUM.

Info

Publication number: NL7812490A
Authority: NL; Netherlands
Prior art keywords: magnetic medium; analogue information; recording analogue; recording; information
Prior art date: 1977-12-27

Application number

NL7812490A

Other languages

Dutch (nl)

Original Assignee

Dolby Lab Licensing Corp

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.)

1977-12-27

Filing date

1978-12-22

Publication date

1979-06-29

1978-12-22 Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp

1979-06-29 Publication of NL7812490A publication Critical patent/NL7812490A/en

Classifications

- 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
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
- 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
- G11B5/03—Biasing

NL7812490A 1977-12-27 1978-12-22 DEVICE FOR RECORDING ANALOGUE INFORMATION ON A MAGNETIC MEDIUM. NL7812490A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US86454177A	1977-12-27	1977-12-27
US96868478A	1978-12-12	1978-12-12

Publications (1)

Publication Number	Publication Date
NL7812490A true NL7812490A (en)	1979-06-29

Family

ID=27127845

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7812490A NL7812490A (en)	1977-12-27	1978-12-22	DEVICE FOR RECORDING ANALOGUE INFORMATION ON A MAGNETIC MEDIUM.

Country Status (9)

Country	Link
JP (1)	JPS54106215A (en)
AT (1)	AT370901B (en)
CA (1)	CA1122702A (en)
DE (1)	DE2855259A1 (en)
DK (1)	DK583278A (en)
FR (1)	FR2413741A1 (en)
GB (1)	GB2013958B (en)
NL (1)	NL7812490A (en)
SE (1)	SE7813317L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4263624A (en) *	1978-12-12	1981-04-21	Dolby Laboratories Licensing Corporation	Analog recording on magnetic media
US4314289A (en) *	1979-12-07	1982-02-02	International Business Machines Corporation	Biased pulsed recording systems and methods
EP0046410B1 (en) *	1980-08-20	1984-10-31	Bang & Olufsen A/S	Bias control method and apparatus for magnetic recording

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2628287A (en) *	1951-02-16	1953-02-10	Nathan M Haynes	Magnetic recording apparatus
DE1064732B (en) *	1957-10-22	1959-09-03	Loewe Opta Ag	Circuit arrangement for recording sound vibrations with frequency-dependent high-frequency premagnetization on tape-shaped magnetogram carriers
DE1099199B (en) *	1958-03-25	1961-02-09	Loewe Opta Ag	Circuit arrangement for controlling the amplitude of a high-frequency premagnetization for magnetic tape recording
BE753495A (en) *	1969-07-21	1970-12-16	Dolby Laboratories Inc	PERFECTIONED LIMITER FILTERS FOR NOISE MITIGATION SYSTEMS. (
JPS5319923B1 (en) *	1970-12-19	1978-06-23
US4011585A (en) *	1974-07-12	1977-03-08	Pioneer Electronic Corporation	Magnetic recording reproducing system
JPS5230440U (en) *	1975-08-22	1977-03-03

1978
- 1978-12-21 DE DE19782855259 patent/DE2855259A1/en not_active Withdrawn
- 1978-12-21 GB GB7849682A patent/GB2013958B/en not_active Expired
- 1978-12-22 FR FR7836151A patent/FR2413741A1/en not_active Withdrawn
- 1978-12-22 NL NL7812490A patent/NL7812490A/en not_active Application Discontinuation
- 1978-12-27 CA CA318,678A patent/CA1122702A/en not_active Expired
- 1978-12-27 DK DK583278A patent/DK583278A/en not_active Application Discontinuation
- 1978-12-27 SE SE7813317A patent/SE7813317L/en unknown
- 1978-12-27 AT AT0930178A patent/AT370901B/en not_active IP Right Cessation
- 1978-12-27 JP JP16449878A patent/JPS54106215A/en active Pending

Also Published As

Publication number	Publication date
DE2855259A1 (en)	1979-07-05
FR2413741A1 (en)	1979-07-27
AT370901B (en)	1983-05-10
GB2013958B (en)	1982-05-06
DK583278A (en)	1979-06-28
SE7813317L (en)	1979-06-28
JPS54106215A (en)	1979-08-21
CA1122702A (en)	1982-04-27
ATA930178A (en)	1982-09-15
GB2013958A (en)	1979-08-15

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NL7803200A (en)	1978-09-26	DEVICE FOR RECORDING INFORMATION.
NL190494C (en)	1994-03-16	Optical device for editing information.
NL7712557A (en)	1978-05-19	NEEDLE FOR DISPLAYING INFORMATION SIGNALS RECORDED ON A RECORDING MEDIA
NL7706753A (en)	1978-12-22	DEVICE FOR READING AN OPTICAL RADIATION-REFLECTING INFORMATION CARRIER.
NL7703076A (en)	1978-09-26	DEVICE FOR READING A RADIATION-REFLECTING RECORD CARRIER.
NL173797C (en)	1984-03-01	INFORMATION SIGNAL RECORD MEDIUM WITH A FLAT SURFACE, AND REGISTRATOR FOR SUCH A MEDIUM.
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Legal Events

Date	Code	Title
1984-02-01	BA	A request for search or an international-type search has been filed
1984-02-01	BB	A search report has been drawn up
1985-01-01	A85	Still pending on 85-01-01
1985-08-01	BV	The patent application has lapsed