SE7713546L - MAGNETIC TAPE DEVICE - Google Patents

MAGNETIC TAPE DEVICE

Info

Publication number: SE7713546L
Authority: SE; Sweden
Prior art keywords: magnetic tape; tape device; magnetic; tape
Prior art date: 1976-12-07

Application number

SE7713546A

Other languages

Swedish (sv)

Other versions

SE424117B (en

Inventor

W Thanheiser

F Dobesch

Original Assignee

Schwarzwelder Apparate Bau Ans

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.)

1976-12-07

Filing date

1977-11-30

Publication date

1978-06-08

1977-11-30 Application filed by Schwarzwelder Apparate Bau Ans filed Critical Schwarzwelder Apparate Bau Ans

1978-06-08 Publication of SE7713546L publication Critical patent/SE7713546L/en

1982-06-28 Publication of SE424117B publication Critical patent/SE424117B/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
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Recording Or Reproducing By Magnetic Means (AREA)
Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

SE7713546A 1976-12-07 1977-11-30 Magnetic tape apparatus with level and frequency dependent noise suppression SE424117B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2655325A DE2655325C2 (en)	1976-12-07	1976-12-07	Magnetic tape recorder with an effective noise suppression circuit during playback

Publications (2)

Publication Number	Publication Date
SE7713546L true SE7713546L (en)	1978-06-08
SE424117B SE424117B (en)	1982-06-28

Family

ID=5994858

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7713546A SE424117B (en)	1976-12-07	1977-11-30	Magnetic tape apparatus with level and frequency dependent noise suppression

Country Status (7)

Country	Link
CH (1)	CH624786A5 (en)
DE (1)	DE2655325C2 (en)
DK (1)	DK544577A (en)
FR (1)	FR2373851A1 (en)
IT (1)	IT1143725B (en)
NL (1)	NL7713473A (en)
SE (1)	SE424117B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1009981A (en) *	1961-06-10	1965-11-17	Emi Ltd	Improvements relating to feedback amplifiers
GB1120541A (en) *	1965-08-11	1968-07-17	Dolby Ray Milton	Improvements in noise reduction systems
NL163388C (en) *	1971-05-04	1980-08-15	Philips Nv	NOISE REDUCTION CIRCUIT.
GB1469058A (en) *	1974-05-20	1977-03-30	Grodinsky R	Noise reduction circuit
DE2426377B2 (en) *	1974-05-31	1979-05-31	Budapesti Radiotechnikai Gyar, Budapest	Device for expanding the dynamic range of magnetic sound recording
DE2502980A1 (en) *	1975-01-23	1976-07-29	Vollmer Hans Ulrich	Magnetic sound record noise reduction method - uses parallel circuits with high and low pass filters

1976
- 1976-12-07 DE DE2655325A patent/DE2655325C2/en not_active Expired
1977
- 1977-11-25 CH CH1445177A patent/CH624786A5/en not_active IP Right Cessation
- 1977-11-30 SE SE7713546A patent/SE424117B/en unknown
- 1977-12-06 NL NL7713473A patent/NL7713473A/en unknown
- 1977-12-06 IT IT30416/77A patent/IT1143725B/en active
- 1977-12-07 DK DK544577A patent/DK544577A/en not_active Application Discontinuation
- 1977-12-07 FR FR7736827A patent/FR2373851A1/en active Granted

Also Published As

Publication number	Publication date
FR2373851A1 (en)	1978-07-07
SE424117B (en)	1982-06-28
DE2655325B1 (en)	1977-12-22
CH624786A5 (en)	1981-08-14
DE2655325C2 (en)	1984-01-26
IT1143725B (en)	1986-10-22
DK544577A (en)	1978-06-08
NL7713473A (en)	1978-06-09
FR2373851B1 (en)	1983-06-17

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