GB1406924A - Timing pulse circuits - Google Patents

Timing pulse circuits

Info

Publication number
GB1406924A
GB1406924A GB2062373A GB2062373A GB1406924A GB 1406924 A GB1406924 A GB 1406924A GB 2062373 A GB2062373 A GB 2062373A GB 2062373 A GB2062373 A GB 2062373A GB 1406924 A GB1406924 A GB 1406924A
Authority
GB
United Kingdom
Prior art keywords
pulse
divider
value
ewr
count
Prior art date
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
GB2062373A
Other languages
English (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.)
Siemens Corp
Original Assignee
Siemens 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.)
Filing date
Publication date
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of GB1406924A publication Critical patent/GB1406924A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • 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
    • G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
    • G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
GB2062373A 1972-05-02 1973-05-01 Timing pulse circuits Expired GB1406924A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722221455 DE2221455C3 (de) 1972-05-02 1972-05-02 Schaltungsanordnung zum Erzeugen von Taktimpulsen

Publications (1)

Publication Number Publication Date
GB1406924A true GB1406924A (en) 1975-09-17

Family

ID=5843846

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2062373A Expired GB1406924A (en) 1972-05-02 1973-05-01 Timing pulse circuits

Country Status (5)

Country Link
BE (1) BE799004R (https=)
DE (1) DE2221455C3 (https=)
FR (1) FR2182799B2 (https=)
GB (1) GB1406924A (https=)
IT (1) IT1035602B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425646A (en) 1980-07-11 1984-01-10 Tokyo Shibaura Denki Kabushiki Kaisha Input data synchronizing circuit

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2906200C3 (de) * 1979-02-17 1982-02-11 Philips Patentverwaltung Gmbh, 2000 Hamburg Synchronisieranordnung
DE3202945C2 (de) * 1982-01-29 1985-12-05 Siemens AG, 1000 Berlin und 8000 München Verfahren und Anordnung zur Erzeugung von Fensterimpulsen (Daten- und gegebenenfalls Taktfensterimpulsen) für eine Separatorschaltung zur Trennung der Datenimpulse von Begleitimpulsen beim Lesen von Magnetband- oder Plattenspeichern, insbesondere von Floppy-Disk-Speichern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4425646A (en) 1980-07-11 1984-01-10 Tokyo Shibaura Denki Kabushiki Kaisha Input data synchronizing circuit

Also Published As

Publication number Publication date
DE2221455B2 (de) 1974-09-12
DE2221455C3 (de) 1975-06-19
FR2182799A2 (https=) 1973-12-14
BE799004R (fr) 1973-11-05
DE2221455A1 (de) 1973-11-15
FR2182799B2 (https=) 1978-05-26
IT1035602B (it) 1979-10-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee