NL7313908A - - Google Patents

Info

Publication number
NL7313908A
NL7313908A NL7313908A NL7313908A NL7313908A NL 7313908 A NL7313908 A NL 7313908A NL 7313908 A NL7313908 A NL 7313908A NL 7313908 A NL7313908 A NL 7313908A NL 7313908 A NL7313908 A NL 7313908A
Authority
NL
Netherlands
Application number
NL7313908A
Other versions
NL180051B (nl
NL180051C (nl
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 filed Critical
Publication of NL7313908A publication Critical patent/NL7313908A/xx
Publication of NL180051B publication Critical patent/NL180051B/xx
Application granted granted Critical
Publication of NL180051C publication Critical patent/NL180051C/xx

Links

Classifications

    • 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
    • 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

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)
  • Dc Digital Transmission (AREA)
NLAANVRAGE7313908,A 1972-11-01 1973-10-10 Inrichting voor het terugwinnen van binaire gegevens. NL180051C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30291572A 1972-11-01 1972-11-01

Publications (3)

Publication Number Publication Date
NL7313908A true NL7313908A (fr) 1974-05-03
NL180051B NL180051B (nl) 1986-07-16
NL180051C NL180051C (nl) 1986-12-16

Family

ID=23169770

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7313908,A NL180051C (nl) 1972-11-01 1973-10-10 Inrichting voor het terugwinnen van binaire gegevens.

Country Status (10)

Country Link
US (1) US3794987A (fr)
JP (1) JPS4978520A (fr)
BE (1) BE806088A (fr)
BR (1) BR7308155D0 (fr)
CA (1) CA994473A (fr)
DE (1) DE2349685C2 (fr)
FR (1) FR2204925B1 (fr)
GB (1) GB1415584A (fr)
IT (1) IT1014512B (fr)
NL (1) NL180051C (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1063719A (fr) * 1975-04-28 1979-10-02 Control Data Corporation Decodeur a boucle d'asservissement de phase
US4167760A (en) * 1978-03-28 1979-09-11 Ampex Corporation Bi-phase decoder apparatus and method
US4218770A (en) * 1978-09-08 1980-08-19 Bell Telephone Laboratories, Incorporated Delay modulation data transmission system
US4222080A (en) * 1978-12-21 1980-09-09 International Business Machines Corporation Velocity tolerant decoding technique
GB2057226B (en) * 1979-07-10 1984-02-22 Mfe Ltd Decoding mfm data signals
US4635140A (en) * 1982-05-08 1987-01-06 Victor Company Of Japan, Limited Digital recording/playback system with limited frequency range
US4532559A (en) * 1983-02-14 1985-07-30 Prime Computer, Inc. Apparatus for decoding phase encoded data
US4550391A (en) * 1983-02-22 1985-10-29 Western Digital Corporation Data capture window extension circuit
US4633488A (en) * 1984-11-13 1986-12-30 Digital Equipment Corporation Phase-locked loop for MFM data recording
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
JP3067349B2 (ja) * 1991-12-02 2000-07-17 ソニー株式会社 ディスク状記録媒体のアドレス情報検出装置
KR100261196B1 (ko) * 1991-12-02 2000-07-01 이데이 노부유끼 자기 디스크 기록매체의 어드레스 정보 검출장치
JP3021880B2 (ja) * 1991-12-06 2000-03-15 ソニー株式会社 磁気ディスク記録媒体のアドレスマーク検出装置
US5703525A (en) * 1996-10-09 1997-12-30 Texas Instruments Incorporated Low cost system for FSK demodulation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226685A (en) * 1961-06-02 1965-12-28 Potter Instrument Co Inc Digital recording systems utilizing ternary, n bit binary and other self-clocking forms
US3500385A (en) * 1967-07-17 1970-03-10 Ibm Coded data storage and retrieval system
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

Also Published As

Publication number Publication date
DE2349685A1 (de) 1974-05-09
NL180051B (nl) 1986-07-16
CA994473A (en) 1976-08-03
BE806088A (fr) 1974-02-01
NL180051C (nl) 1986-12-16
IT1014512B (it) 1977-04-30
US3794987A (en) 1974-02-26
BR7308155D0 (pt) 1974-07-11
JPS4978520A (fr) 1974-07-29
FR2204925A1 (fr) 1974-05-24
GB1415584A (en) 1975-11-26
FR2204925B1 (fr) 1978-02-10
DE2349685C2 (de) 1982-09-23

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: BURROUGHS CORPORATION

TNT Modifications of names of proprietors of patents or applicants of examined patent applications

Owner name: UNISYS CORPORATION

V1 Lapsed because of non-payment of the annual fee