SE396664B - Dataatervinningsanordning - Google Patents

Dataatervinningsanordning

Info

Publication number: SE396664B
Authority: SE; Sweden
Prior art keywords: recovery device; data recovery; data; recovery
Prior art date: 1972-11-01

Application number

SE7313955A

Other languages

English (en)

Inventor

J J Bauer

M F Davis

Original Assignee

Burroughs 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.)

1972-11-01

Filing date

1973-10-15

Publication date

1977-09-26

1973-10-15 Application filed by Burroughs Corp filed Critical Burroughs Corp

1977-09-26 Publication of SE396664B publication Critical patent/SE396664B/sv

Links

Classifications

- 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
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing For Digital Recording And Reproducing (AREA)
Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

SE7313955A 1972-11-01 1973-10-15 Dataatervinningsanordning SE396664B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00302914A US3827078A (en)	1972-11-01	1972-11-01	Digital data retrieval system with dynamic window skew

Publications (1)

Publication Number	Publication Date
SE396664B true SE396664B (sv)	1977-09-26

Family

ID=23169764

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7313955A SE396664B (sv)	1972-11-01	1973-10-15	Dataatervinningsanordning

Country Status (11)

Country	Link
US (1)	US3827078A (sv)
JP (1)	JPS4978525A (sv)
BE (1)	BE806099A (sv)
BR (1)	BR7307685D0 (sv)
CA (1)	CA1001297A (sv)
DE (1)	DE2350713A1 (sv)
FR (1)	FR2205232A5 (sv)
GB (1)	GB1424268A (sv)
IT (1)	IT995934B (sv)
NL (1)	NL182033C (sv)
SE (1)	SE396664B (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3962726A (en) *	1975-02-21	1976-06-08	Mag-Tek, Inc.	Self-clocking magnetic record sensing system
US4037257A (en) *	1976-02-02	1977-07-19	Xerox Corporation	Data clock separator with missing clock detect
US4021853A (en) *	1976-03-30	1977-05-03	Sperry Rand Corporation	Method and apparatus for the magnetic storage of digital data
US4393458A (en) *	1980-02-06	1983-07-12	Sperry Corporation	Data recovery method and apparatus using variable window
US4532559A (en) *	1983-02-14	1985-07-30	Prime Computer, Inc.	Apparatus for decoding phase encoded data
US4580176A (en) *	1983-11-21	1986-04-01	International Business Machines Corporation	Adaptive equalization circuit for magnetic recording channels utilizing signal timing
JPS6117273A (ja) *	1984-07-04	1986-01-25	Nec Corp	回転形磁気記録装置
US4808884A (en) *	1985-12-02	1989-02-28	Western Digital Corporation	High order digital phase-locked loop system
GB2205467B (en) *	1987-05-28	1992-02-12	Apple Computer	Disk drive controller
US5151985A (en) *	1987-05-28	1992-09-29	Apple Computer, Inc.	Disk drive controller
US5414722A (en) *	1992-07-14	1995-05-09	Wangtek, Inc.	Selective data synchronizer
US20070201596A1 (en) *	2006-02-28	2007-08-30	Flowers John P	Clock synchronization using early clock

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3636536A (en) *	1968-03-21	1972-01-18	Leach Corp	Derived clock circuit in a phase modulated digital data handling system
US3609560A (en) *	1970-01-09	1971-09-28	Bedford Associates Inc	Data separation circuit for magnetic recorder memories
US3689903A (en) *	1970-10-16	1972-09-05	Honeywell Inc	Voltage controlled oscillator with constrained period of frequency change
US3656149A (en) *	1970-11-23	1972-04-11	Honeywell Inf Systems	Three frequency data separator
US3684967A (en) *	1971-01-08	1972-08-15	Cogar Corp	Automatic control of position and width of a tracking window in a data recovery system
US3737895A (en) *	1971-08-02	1973-06-05	Edmac Ass Inc	Bi-phase data recorder
JPS5146604B2 (sv) *	1971-09-17	1976-12-10

1972
- 1972-11-01 US US00302914A patent/US3827078A/en not_active Expired - Lifetime
1973
- 1973-07-23 GB GB3509073A patent/GB1424268A/en not_active Expired
- 1973-10-03 BR BR7685/73A patent/BR7307685D0/pt unknown
- 1973-10-05 JP JP48111576A patent/JPS4978525A/ja active Pending
- 1973-10-10 DE DE19732350713 patent/DE2350713A1/de not_active Withdrawn
- 1973-10-11 CA CA183,146A patent/CA1001297A/en not_active Expired
- 1973-10-12 NL NLAANVRAGE7314046,A patent/NL182033C/xx not_active IP Right Cessation
- 1973-10-15 SE SE7313955A patent/SE396664B/sv unknown
- 1973-10-15 BE BE136709A patent/BE806099A/xx not_active IP Right Cessation
- 1973-10-16 FR FR7336881A patent/FR2205232A5/fr not_active Expired
- 1973-10-17 IT IT30215/73A patent/IT995934B/it active

Also Published As

Publication number	Publication date
GB1424268A (en)	1976-02-11
BR7307685D0 (pt)	1974-11-12
FR2205232A5 (sv)	1974-05-24
CA1001297A (en)	1976-12-07
JPS4978525A (sv)	1974-07-29
IT995934B (it)	1975-11-20
NL7314046A (sv)	1974-05-03
DE2350713A1 (de)	1974-05-09
BE806099A (fr)	1974-02-01
NL182033C (nl)	1987-12-16
NL182033B (nl)	1987-07-16
US3827078A (en)	1974-07-30

Publication	Publication Date	Title
SE7801035L (sv)	1978-01-27	Sammanhallningsanordning
AT321377B (de)	1975-03-25	Informationsspeichereinrichtung
SE396702B (sv)	1977-10-03	Ultrasonor vetskeatomiseringsanordning
AT339970B (de)	1977-11-25	Wiedergabegerat
AT344042B (de)	1978-06-26	Schreibgerat
SE389215B (sv)	1976-10-25	Informationsavspelningsanordning
SE396664B (sv)	1977-09-26	Dataatervinningsanordning
SE384270B (sv)	1976-04-26	Syremetanordning
AR195999A1 (es)	1973-11-23	Aparato dactiloscopico
BE807079A (nl)	1974-05-08	Halfgeleiderinrichting
AT334216B (de)	1976-01-10	Rodelvorrichtung
SE392072B (sv)	1977-03-14	Dataregistreringsapparat
AT334114B (de)	1976-12-27	Datenverarbeitungsgerat
TR17720A (tr)	1975-07-23	Doluya karsi muecadele cihazi
SE388135B (sv)	1976-09-27	Spritrorsanordning
SE388134B (sv)	1976-09-27	Spritrorsanordning
IT987113B (it)	1975-02-20	Dispositivo di scrittura
CH551284A (de)	1974-07-15	Schreibgeraet.
SE387890B (sv)	1976-09-20	Dataregistreringsapparat
SE391678B (sv)	1977-02-28	Dataupptecknande anordning
IT963658B (it)	1974-01-21	Dispositivo tabulatore
AT317680B (de)	1974-09-10	Wiedergabeeinrichtung
AT327845B (de)	1976-02-25	Bohrvorrichtung
IT971036B (it)	1974-04-30	Apparecchio dializzatore
BE794766A (nl)	1973-07-31	Extrudeerinrichting