DE1220888B - Saegezahnspannungsoszillator mit Photowiderstand - Google Patents

Saegezahnspannungsoszillator mit Photowiderstand

Info

Publication number
DE1220888B
DE1220888B DEN23999A DEN0023999A DE1220888B DE 1220888 B DE1220888 B DE 1220888B DE N23999 A DEN23999 A DE N23999A DE N0023999 A DEN0023999 A DE N0023999A DE 1220888 B DE1220888 B DE 1220888B
Authority
DE
Germany
Prior art keywords
voltage
photoresistor
pulses
light
series
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.)
Pending
Application number
DEN23999A
Other languages
German (de)
English (en)
Inventor
Gerardus Jacobus Deelman
Hans Bronkhorst
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE1220888B publication Critical patent/DE1220888B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B17/00—Generation of oscillations using radiation source and detector, e.g. with interposed variable obturator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/35—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region
    • H03K3/351—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region the devices being unijunction transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/42—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • 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
    • H03K4/83—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region
    • H03K4/84—Generators in which the semiconductor device is conducting during the fly-back part of the cycle
    • 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
    • H03K4/88—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements electrochemical cells or galvano-magnetic or photo-electric elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
    • H04N5/123—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal directly commands a frequency generator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S84/00—Music
    • Y10S84/19—Light sensitive resistor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
DEN23999A 1962-11-13 1963-11-09 Saegezahnspannungsoszillator mit Photowiderstand Pending DE1220888B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL285461 1962-11-13

Publications (1)

Publication Number Publication Date
DE1220888B true DE1220888B (de) 1966-07-14

Family

ID=19754227

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN23999A Pending DE1220888B (de) 1962-11-13 1963-11-09 Saegezahnspannungsoszillator mit Photowiderstand

Country Status (4)

Country Link
US (1) US3268733A (en:Method)
DE (1) DE1220888B (en:Method)
GB (1) GB1010626A (en:Method)
NL (1) NL285461A (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1537978B1 (de) * 1967-02-09 1970-07-30 Nippon Electric Co Schaltungsanordnung zur Bestimmung des Alterungszustandes einer Glimm-Modulationsroehre in einem Bildtelegrafieempfaenger
FR2061756A1 (en:Method) * 1969-09-17 1971-06-25 Matsushita Electric Industrial Co Ltd

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177212B (de) * 1963-04-01 1964-09-03 Siemens Ag Verstaerkereinrichtung fuer elektromagnetische Schwingungen
US3461297A (en) * 1963-05-10 1969-08-12 Atomic Energy Authority Uk Opto-electronic logic element
US3418652A (en) * 1965-09-13 1968-12-24 Brooks William Programming device and sawtooth generator therefor
US3428815A (en) * 1965-10-22 1969-02-18 Electronic Ind Eng Inc Distance measuring system using infrared ring-around oscillator with a reference loop having a light conducting rod
US3504131A (en) * 1967-05-02 1970-03-31 Bell Telephone Labor Inc Switching network

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997396A (en) * 1934-04-18 1935-04-09 Michell Crankless Engines Corp Crankless mechanism
US2900574A (en) * 1956-04-05 1959-08-18 Rca Corp Electroluminescent device
US2904696A (en) * 1956-05-15 1959-09-15 Gen Electric Electroluminescent device and networks

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107301A (en) * 1956-01-18 1963-10-15 Ibm Pulse responsive photosensitive electrooptical circuit
US2975290A (en) * 1956-05-15 1961-03-14 Gen Electric Electroluminescent devices and networks
US2898556A (en) * 1957-05-01 1959-08-04 Sylvania Electric Prod Oscillator
US3110813A (en) * 1957-07-09 1963-11-12 Westinghouse Electric Corp Solid state photosensitive control element
US3034011A (en) * 1959-12-03 1962-05-08 Lockheed Aircraft Corp Combined optical and electronic circuit devices
US3056031A (en) * 1959-12-21 1962-09-25 Gen Dynamics Corp Electro-optical device and circuitry

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997396A (en) * 1934-04-18 1935-04-09 Michell Crankless Engines Corp Crankless mechanism
US2900574A (en) * 1956-04-05 1959-08-18 Rca Corp Electroluminescent device
US2904696A (en) * 1956-05-15 1959-09-15 Gen Electric Electroluminescent device and networks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1537978B1 (de) * 1967-02-09 1970-07-30 Nippon Electric Co Schaltungsanordnung zur Bestimmung des Alterungszustandes einer Glimm-Modulationsroehre in einem Bildtelegrafieempfaenger
FR2061756A1 (en:Method) * 1969-09-17 1971-06-25 Matsushita Electric Industrial Co Ltd

Also Published As

Publication number Publication date
US3268733A (en) 1966-08-23
NL285461A (en:Method)
GB1010626A (en) 1965-11-24

Similar Documents

Publication Publication Date Title
DE68919794T2 (de) Zündungsgenerator mit einer hohen Energie, insbesondere für Gasturbinen.
DE2936088A1 (de) Rechteck-dimmerschaltung mit feststehender frequenz und variablem impulsfaktor fuer hochleistungs-gasentladungslampen
DE2738186A1 (de) Nullschaltspannungs-festkoerper-relais
DE1190095B (de) Statischer Frequenzumformer
DE1513868B2 (de) Einrichtung zur gleichzeitigen Zündung mehrerer in Reihe geschalteter Thyristoren
DE1220888B (de) Saegezahnspannungsoszillator mit Photowiderstand
DE1238067B (de) Schaltung zur Erzeugung steiler Impulse aus einer Gleichspannungsquelle
DE68919335T2 (de) Elektronisches Blitzlichtgerät.
DE1962221A1 (de) Schwinganordnung
DE2503440A1 (de) Elektrische schaltungsanordnung fuer analoge anzeige- und/oder steuersysteme
DE4106690C2 (de) Verfahren zur Steuerung einer Last sowie eine Schaltungsanordnung zur Durchführung dieses Verfahrens mit einem IGBT-Transistor
DE69115309T2 (de) Schaltanordnung
DE1139545B (de) Optische Verriegelungsschaltung
DE2018152A1 (de) Verbesserungen an Oszillatoren
DE2409927C3 (en:Method)
DE2951128A1 (de) Verfahren zum umwandeln von empfangenem licht in digitale impulssignale und vorrichtung zur durchfuehrung des verfahrens
DE1903621A1 (de) Thyristor-Ansteuerschaltung
DE1565225A1 (de) Verfahren zur Bearbeitung mit intermittierenden elektrischen Entladungen mit gesteuerten Impulsen
DE2409927B2 (de) Start- und betriebsschaltung fuer eine gasgefuellte roehre
DE2142081A1 (de) Automatisches Elektronenblitzgerät
DE2539032C3 (de) Elektronische Blitzlichtvorrichtung mit piezoelektrischer Zündung
DE2139336A1 (de) Schaltungsanordnung für ein Elektronen-Blitzgerät
DE976546C (de) Schaltungsanordnung zur Verbesserung des Wirkungsgrades eines Transistor-Impulsoszillators nach Art eines Sperrschwingers
DE2017261C3 (de) Startschaltung für eine Konstantspannungsregelung
DE1638977C3 (de) Hochstromimpulsgenerator