NL174206C - Zaagtandspanningsgenerator. - Google Patents

Zaagtandspanningsgenerator.

Info

Publication number
NL174206C
NL174206C NLAANVRAGE7204915,A NL7204915A NL174206C NL 174206 C NL174206 C NL 174206C NL 7204915 A NL7204915 A NL 7204915A NL 174206 C NL174206 C NL 174206C
Authority
NL
Netherlands
Prior art keywords
generator
saw teeth
saw
teeth
teeth generator
Prior art date
Application number
NLAANVRAGE7204915,A
Other languages
English (en)
Dutch (nl)
Other versions
NL174206B (nl
NL7204915A (xx
Original Assignee
Information Storage Systems
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 Information Storage Systems filed Critical Information Storage Systems
Publication of NL7204915A publication Critical patent/NL7204915A/xx
Publication of NL174206B publication Critical patent/NL174206B/xx
Application granted granted Critical
Publication of NL174206C publication Critical patent/NL174206C/xx

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
    • G11B20/1407—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K4/00—Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
    • H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
    • H03K4/501—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator
    • H03K4/502—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator the capacitor being charged from a constant-current source
NLAANVRAGE7204915,A 1971-04-12 1972-04-12 Zaagtandspanningsgenerator. NL174206C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13321971A 1971-04-12 1971-04-12

Publications (3)

Publication Number Publication Date
NL7204915A NL7204915A (xx) 1972-10-16
NL174206B NL174206B (nl) 1983-12-01
NL174206C true NL174206C (nl) 1984-05-01

Family

ID=22457533

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7204915,A NL174206C (nl) 1971-04-12 1972-04-12 Zaagtandspanningsgenerator.

Country Status (8)

Country Link
US (1) US3694772A (xx)
JP (1) JPS5143934B1 (xx)
CA (1) CA948718A (xx)
DE (1) DE2210152C3 (xx)
FR (1) FR2136315A5 (xx)
GB (1) GB1389723A (xx)
IT (1) IT960559B (xx)
NL (1) NL174206C (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2249082C3 (de) * 1972-10-06 1980-11-27 Philips Patentverwaltung Gmbh, 2000 Hamburg Dreieckspannungsgenerator
JPS5532054B2 (xx) * 1972-12-26 1980-08-22
JPS562437Y2 (xx) * 1974-05-29 1981-01-20
DE2549827C2 (de) * 1975-11-04 1982-08-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Impulsbreitensteuerung
DE2712369C2 (de) * 1977-03-22 1981-09-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Oszillator zur Erzeugung von Rechteckimpulsen
US4264879A (en) * 1978-12-18 1981-04-28 Ncr Corporation Interval timer circuit relaxation oscillator
DE2912492A1 (de) * 1979-03-29 1980-10-09 Siemens Ag Monolithisch integrierbarer rechteckimpulsgenerator
JPS56129423A (en) * 1980-03-14 1981-10-09 Sony Corp Triangle wave generating circuit
JPS5834618A (ja) * 1981-08-21 1983-03-01 テクトロニクス・インコ−ポレイテツド 対称性制御型関数発生器
DE3329242A1 (de) * 1983-08-12 1985-02-21 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum ueberpruefen des zeitlichen abstands von rechtecksignalen
DE4003418A1 (de) * 1990-02-05 1991-08-08 Thomson Brandt Gmbh Integrierter fm detektor
US5274338A (en) * 1990-02-05 1993-12-28 Deutsche Thomson-Brandt Gmbh Integrated FM detector including an oscillator having a capacitor and Schmitt trigger
US6781357B2 (en) * 2001-09-27 2004-08-24 Power Integrations, Inc. Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3376518A (en) * 1964-05-13 1968-04-02 Radiation Instr Dev Lab Low frequency oscillator circuit
US3559098A (en) * 1968-10-10 1971-01-26 Electro Optical Ind Inc Wide frequency range voltage controlled transistor relaxation oscillator

Also Published As

Publication number Publication date
GB1389723A (en) 1975-04-09
DE2210152C3 (de) 1975-09-11
US3694772A (en) 1972-09-26
DE2210152A1 (de) 1972-11-02
CA948718A (en) 1974-06-04
NL174206B (nl) 1983-12-01
IT960559B (it) 1973-11-30
FR2136315A5 (xx) 1972-12-22
DE2210152B2 (de) 1975-01-09
NL7204915A (xx) 1972-10-16
JPS5143934B1 (xx) 1976-11-25

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Legal Events

Date Code Title Description
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee