GB2022886B - Method of processing the read signal from a data carrier and arrangement for putting the method into practice - Google Patents

Method of processing the read signal from a data carrier and arrangement for putting the method into practice

Info

Publication number: GB2022886B
Authority: GB; United Kingdom
Prior art keywords: putting; practice; arrangement; processing; data carrier
Prior art date: 1978-04-25
Legal status (The legal status 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 status listed.): Expired

Application number

GB7911976A

Other versions

GB2022886A (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

CII HONEYWELL BULL

Original Assignee

CII HONEYWELL BULL

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.)

1978-04-25

Filing date

1979-04-05

Publication date

1983-02-02

1979-04-05 Application filed by CII HONEYWELL BULL filed Critical CII HONEYWELL BULL

1979-12-19 Publication of GB2022886A publication Critical patent/GB2022886A/en

1983-02-02 Application granted granted Critical

1983-02-02 Publication of GB2022886B publication Critical patent/GB2022886B/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
- 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
- G11B20/10009—Improvement or modification of read or write signals
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
- 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
- G11B5/035—Equalising
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Digital Magnetic Recording (AREA)
Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Manipulation Of Pulses (AREA)
Signal Processing For Digital Recording And Reproducing (AREA)

GB7911976A 1978-04-25 1979-04-05 Method of processing the read signal from a data carrier and arrangement for putting the method into practice Expired GB2022886B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7812118A FR2424601A1 (en)	1978-04-25	1978-04-25	PROCESS FOR SERVICING THE READING SIGNAL OF AN INFORMATION MEDIA AND DEVICE FOR IMPLEMENTING IT

Publications (2)

Publication Number	Publication Date
GB2022886A GB2022886A (en)	1979-12-19
GB2022886B true GB2022886B (en)	1983-02-02

Family

ID=9207527

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7911976A Expired GB2022886B (en)	1978-04-25	1979-04-05	Method of processing the read signal from a data carrier and arrangement for putting the method into practice

Country Status (5)

Country	Link
JP (1)	JPS54143611A (en)
DE (1)	DE2916473A1 (en)
FR (1)	FR2424601A1 (en)
GB (1)	GB2022886B (en)
IT (1)	IT1112524B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4495528A (en) *	1981-07-10	1985-01-22	Victor Company Of Japan, Ltd.	Magnetic reproducing system for a digital signal
JPS5963005A (en) *	1982-10-04	1984-04-10	Toshiba Corp	Magnetic recording system
EP0219037B1 (en) *	1985-10-08	1993-09-15	Sharp Kabushiki Kaisha	Waveform processing circuit
JPH02137169A (en) *	1988-11-17	1990-05-25	Mitsubishi Electric Corp	Signal processing circuit
JPH02166670A (en) *	1988-12-20	1990-06-27	Tokico Ltd	Magnetic disk device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4912645B1 (en) *	1969-04-21	1974-03-26
US3593333A (en) *	1969-11-26	1971-07-13	Ibm	Position detection for a track following servo system
US3660821A (en) *	1970-06-17	1972-05-02	Burroughs Corp	Disc file agc circuit
US3691543A (en) *	1971-02-08	1972-09-12	Ibm	Positioning system including servo track configuration and associated demodulator
US3840756A (en) *	1973-02-05	1974-10-08	Honeywell Inf Systems	Gain control circuit using sample and hold feedback
US3902190A (en) *	1973-11-23	1975-08-26	Rca Corp	Programmable test of read/write circuitry by varying clipping levels
US3879674A (en) *	1973-12-27	1975-04-22	Burroughs Corp	Automatic gain control circuit
DE2601437A1 (en) *	1976-01-16	1977-07-21	Licentia Gmbh	AF amplifier AGC circuit - has main and auxiliary RC timing elements connected in parallel
FR2346806A1 (en) *	1976-03-31	1977-10-28	Honeywell Bull Soc Ind	MODE OF WRITING ADDRESS ON MAGNETIC RECORDING MEDIUM

1978
- 1978-04-25 FR FR7812118A patent/FR2424601A1/en active Granted
1979
- 1979-04-05 GB GB7911976A patent/GB2022886B/en not_active Expired
- 1979-04-23 IT IT22080/79A patent/IT1112524B/en active
- 1979-04-23 JP JP4918979A patent/JPS54143611A/en active Granted
- 1979-04-24 DE DE19792916473 patent/DE2916473A1/en active Granted

Also Published As

Publication number	Publication date
DE2916473A1 (en)	1979-10-31
DE2916473C2 (en)	1988-08-11
IT7922080A0 (en)	1979-04-23
IT1112524B (en)	1986-01-20
JPH0135421B2 (en)	1989-07-25
FR2424601A1 (en)	1979-11-23
FR2424601B1 (en)	1980-09-19
GB2022886A (en)	1979-12-19
JPS54143611A (en)	1979-11-09

Publication	Publication Date	Title
GB2011673B (en)	1982-02-24	Data processing apparatus
GB2015217B (en)	1982-03-17	Data processing apparatus
GB2038144B (en)	1983-05-11	Methods of and apparatus for processing digital information words
DE2963442D1 (en)	1982-09-16	A data processor and method of processing video information
GB2017984B (en)	1982-05-12	Data processing apparatus
GB2015216B (en)	1982-03-31	Data processing apparatus
JPS54157456A (en)	1979-12-12	Method of and device for processing data
GB2021778B (en)	1983-01-12	Processing and displaying a read-out signal from an electrocardigram recording
GB2035902B (en)	1983-05-05	Information recording method and apparatus
GB2018478B (en)	1982-03-10	Data processing apparatus
GB2075732B (en)	1983-02-02	Solid state on-person data carrier and associated data processing system
DE2965202D1 (en)	1983-05-19	Data processing apparatus
DE3067699D1 (en)	1984-06-07	Data signal detection apparatus
DE3165318D1 (en)	1984-09-13	Data processing and recording apparatus
JPS55105767A (en)	1980-08-13	Method and unit for processing digital data
GB2014764B (en)	1982-09-15	Time data processing apparatus
JPS553099A (en)	1980-01-10	Method and device for reading data
GB2011674A (en)	1979-07-11	Data processing apparatus
JPS5394745A (en)	1978-08-19	Method of processing data
GB2092805B (en)	1985-02-06	Process and apparatus for the recording on and reading of recording tapes
GB2022886B (en)	1983-02-02	Method of processing the read signal from a data carrier and arrangement for putting the method into practice
DE2961518D1 (en)	1982-01-28	Data transducing apparatus
JPS554195A (en)	1980-01-12	Method of processing video data
GB2016178B (en)	1982-05-06	Data processing apparatus
GB2024471B (en)	1982-09-08	Method of checking reference zones on a data carrier and arrangement for putting the method into practice

Legal Events

Date	Code	Title	Description
1990-12-05	PCNP	Patent ceased through non-payment of renewal fee