FR808979A - Method of operation of cathode ray tubes - Google Patents

Method of operation of cathode ray tubes

Info

Publication number
FR808979A
FR808979A FR808979DA FR808979A FR 808979 A FR808979 A FR 808979A FR 808979D A FR808979D A FR 808979DA FR 808979 A FR808979 A FR 808979A
Authority
FR
France
Prior art keywords
cathode ray
ray tubes
tubes
cathode
ray
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
Other languages
French (fr)
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.)
Farnsworth Television Inc
Original Assignee
Farnsworth Television Inc
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 Farnsworth Television Inc filed Critical Farnsworth Television Inc
Application granted granted Critical
Publication of FR808979A publication Critical patent/FR808979A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • 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
    • H03K4/10—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
    • H03K4/26—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
    • H03K4/28—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device
    • H03K4/32—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device combined with means for generating the driving pulses
    • H03K4/34—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as a switching device combined with means for generating the driving pulses using a single tube with positive feedback through a transformer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
FR808979D 1931-07-14 1936-08-03 Method of operation of cathode ray tubes Expired FR808979A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US550654A US2051372A (en) 1931-07-14 1931-07-14 Scanning and synchronizing system

Publications (1)

Publication Number Publication Date
FR808979A true FR808979A (en) 1937-02-19

Family

ID=24198056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808979D Expired FR808979A (en) 1931-07-14 1936-08-03 Method of operation of cathode ray tubes

Country Status (3)

Country Link
US (1) US2051372A (en)
DE (1) DE926372C (en)
FR (1) FR808979A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741536C (en) * 1938-02-05 1943-11-12 Fernseh Gmbh Arrangement for generating the anode voltage for cathode ray tubes
DE758006C (en) * 1939-02-26 1953-02-16 Telefunken Gmbh Electric saw tooth generator with a parallel resonance circuit, which consists of a deflection coil and its own capacitance, and a transformer-type voltage feedback-coupled tube
DE756666C (en) * 1939-06-27 1953-02-23 Lorenz C Ag Arrangement for load-independent generation of the anode voltage for cathode ray tubes from the synchronization pulses
DE767678C (en) * 1938-07-22 1953-03-30 Fernseh Gmbh Method for reducing the load dependency in a circuit for generating a high DC voltage
DE895917C (en) * 1937-10-16 1953-11-09 Fernseh Gmbh Self-oscillating toggle circuit for generating saw tooth flows that generate an image grid that deviates from the rectangular shape
DE756668C (en) * 1939-06-21 1954-01-25 Lorenz C Ag Line tilt generator

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE903254C (en) * 1938-12-11 1954-02-04 Telefunken Gmbh Electric saw tooth generator
NL68153C (en) * 1940-12-17
US2426419A (en) * 1942-12-23 1947-08-26 Du Mont Allen B Lab Inc Return trace blanking and mixing
US2498495A (en) * 1943-01-23 1950-02-21 Gen Electric Method and apparatus for producing rapid build-up of radio frequency oscillations
US2431051A (en) * 1943-05-08 1947-11-18 Rca Corp Power supply system
US2421520A (en) * 1943-06-18 1947-06-03 Rca Corp System for energizing the electrodes of cathode-ray devices from the deflecting circuit
US2430331A (en) * 1944-09-14 1947-11-04 Remington Rand Inc Automatic focus control for cathode-ray tubes
US2535651A (en) * 1945-05-12 1950-12-26 Newman Morris High-voltage method and system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE582273C (en) * 1929-02-01 1933-08-11 Manfred Von Ardenne DC power supply unit
GB402181A (en) * 1932-07-07 1933-11-30 Electrical & Musical Ind Ltd Improvements in or relating to television and the like systems
FR787519A (en) * 1934-03-31 1935-09-24 Rca Corp Improvements to electrical systems

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE895917C (en) * 1937-10-16 1953-11-09 Fernseh Gmbh Self-oscillating toggle circuit for generating saw tooth flows that generate an image grid that deviates from the rectangular shape
DE741536C (en) * 1938-02-05 1943-11-12 Fernseh Gmbh Arrangement for generating the anode voltage for cathode ray tubes
DE767678C (en) * 1938-07-22 1953-03-30 Fernseh Gmbh Method for reducing the load dependency in a circuit for generating a high DC voltage
DE758006C (en) * 1939-02-26 1953-02-16 Telefunken Gmbh Electric saw tooth generator with a parallel resonance circuit, which consists of a deflection coil and its own capacitance, and a transformer-type voltage feedback-coupled tube
DE756668C (en) * 1939-06-21 1954-01-25 Lorenz C Ag Line tilt generator
DE756666C (en) * 1939-06-27 1953-02-23 Lorenz C Ag Arrangement for load-independent generation of the anode voltage for cathode ray tubes from the synchronization pulses

Also Published As

Publication number Publication date
DE926372C (en) 1955-05-23
US2051372A (en) 1936-08-18

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