FR741099A - - Google Patents

Info

Publication number
FR741099A
FR741099A FR741099DA FR741099A FR 741099 A FR741099 A FR 741099A FR 741099D A FR741099D A FR 741099DA FR 741099 A FR741099 A FR 741099A
Authority
FR
France
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)
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.)
Publication date
Application granted granted Critical
Publication of FR741099A publication Critical patent/FR741099A/fr
Priority claimed from GB2537433A external-priority patent/GB413894A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/165—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
    • 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
    • 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
    • H03K4/39—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 an amplifier
    • H03K4/43—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 an amplifier combined with means for generating the driving pulses
    • 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
    • H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
    • H04N3/04—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving aperture also apertures covered by lenses
    • 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
    • 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
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
    • H04N3/237—Distortion correction, e.g. for pincushion distortion correction, S-correction using passive elements, e.g. diodes
    • 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
    • H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
    • H04N3/34—Elemental scanning area oscillated rapidly in direction transverse to main scanning direction
    • 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
    • H04N3/36—Scanning of motion picture films, e.g. for telecine
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/06—Generation of synchronising signals
    • H04N5/067—Arrangements or circuits at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/06—Generation of synchronising signals
    • H04N5/067—Arrangements or circuits at the transmitter end
    • H04N5/0675—Arrangements or circuits at the transmitter end for mixing the synchronising signals with the picture signal or mutually
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/3147—Multi-projection systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Details Of Television Scanning (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Picture Signal Circuits (AREA)
FR741099D 1931-09-26 Expired FR741099A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US565226A US2289914A (en) 1931-09-26 1931-09-26 Television system
US401990XA 1932-05-28 1932-05-28
GB2537433A GB413894A (en) 1933-09-13 1933-09-13 Improvements in or relating to television systems

Publications (1)

Publication Number Publication Date
FR741099A true FR741099A (en) 1933-02-04

Family

ID=31950339

Family Applications (3)

Application Number Title Priority Date Filing Date
FR741099D Expired FR741099A (en) 1931-09-26
FR699544D Expired FR699544A (en) 1931-09-26 1930-06-26 Remote transmission system of images and other objects
FR39840D Expired FR39840E (en) 1931-09-26 1931-03-04 Remote transmission system of images and other objects

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR699544D Expired FR699544A (en) 1931-09-26 1930-06-26 Remote transmission system of images and other objects
FR39840D Expired FR39840E (en) 1931-09-26 1931-03-04 Remote transmission system of images and other objects

Country Status (6)

Country Link
US (1) US2289914A (en)
BE (12) BE371688A (en)
DE (2) DE755140C (en)
FR (3) FR699544A (en)
GB (2) GB408656A (en)
NL (2) NL39554C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741785C (en) * 1937-11-29 1943-11-17 Fernseh Gmbh Method for the transmission of television pictures whose brightness range is less than the available modulation range
DE939510C (en) * 1933-04-13 1956-03-15 Emi Ltd Circuit arrangement for reintroducing the direct current component lost during transmission into the composite picture signal in television systems

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741454C (en) * 1934-12-20 1943-11-11 Telefunken Gmbh Arrangement for generating a saegezahnfoermigen current curve, especially for the magnetic deflection of cathode rays for oscilloscope and television purposes
DE889309C (en) * 1935-02-06 1953-09-10 Telefunken Gmbh Circuit arrangement for generating a sawtooth-shaped current curve for the magnetic deflection of cathode rays, in particular for television purposes
DE763069C (en) * 1935-02-28 1953-02-09 Rca Corp Circuit arrangement for phase shifting pulses
DE755243C (en) * 1935-05-25 1954-12-13 Opta Radio A G Arrangement for deflecting the cathode ray in cathode ray tubes by slow charging and sudden non-linear discharge of a capacitor
DE1018098B (en) * 1935-08-06 1957-10-24 Fernseh Gmbh Arrangement for the synchronization of several broadcasting points from a central point for television and image transmissions
BE418067A (en) * 1935-10-25
US2140004A (en) * 1936-02-03 1938-12-13 Rca Corp Electrical oscillation generator
GB479113A (en) * 1936-04-29 1938-01-31 Alan Dower Blumlein Improvements in or relating to thermionic valve circuits particularly for use in television
GB479760A (en) * 1936-08-10 1938-02-10 Baird Television Ltd Improvements in or relating to television and like systems
DE755117C (en) * 1936-09-15 1951-07-26 Fernseh Gmbh Arrangement for generating an anode voltage for electron beam tubes by rectifying a tilting oscillation serving for electromagnetic beam deflection
DE755706C (en) * 1936-11-27 1954-11-29 Opta Radio A G Method for generating line characters and alternating picture characters in television broadcasters
DE741537C (en) * 1938-01-11 1943-11-12 Fernseh Gmbh Switching arrangement for automatic elimination of the distortions that occur with electromagnetic beam deflection
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
DE756444C (en) * 1939-05-13 1953-01-19 Aeg Arrangement for the linearization of tilting oscillations consisting of parts of an exponential curve
US2548436A (en) * 1946-01-25 1951-04-10 Hazeltine Corp Television receiver background control circuit
US2564554A (en) * 1947-10-09 1951-08-14 Rca Corp Background control and synchronizing signal separating circuit
BE507000A (en) * 1950-06-25
DE1022683B (en) * 1953-01-08 1958-01-16 Cie Generale D Electricite Soc Amplifier with time-variable, frequency-dependent amplification and phase rotation characteristics
DE1274624B (en) * 1955-01-07 1968-08-08 Friedrich Herz Method for deflecting the cathode ray in television by means of sinusoidal voltages derived line and image deflection voltages
US3293483A (en) * 1962-01-08 1966-12-20 Siemens Ag Radiation controlled electron radiation source

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT113936B (en) * 1926-10-19 1929-08-10 Siemens Ag Device for limiting the amplitude.
DE482874C (en) * 1927-01-03 1929-09-21 Gen Electric Receiving arrangement for high-frequency signal currents with automatic limitation of the signal volume

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE939510C (en) * 1933-04-13 1956-03-15 Emi Ltd Circuit arrangement for reintroducing the direct current component lost during transmission into the composite picture signal in television systems
DE741785C (en) * 1937-11-29 1943-11-17 Fernseh Gmbh Method for the transmission of television pictures whose brightness range is less than the available modulation range

Also Published As

Publication number Publication date
DE755140C (en) 1953-03-09
BE390395A (en)
BE377922A (en)
BE393588A (en)
DE648195C (en) 1937-07-24
BE391266A (en)
BE396560A (en)
FR699544A (en) 1931-02-16
NL61555B (en)
BE371688A (en) 1930-09-30
BE387822A (en)
BE395907A (en)
BE398015A (en)
BE390958A (en)
NL39554C (en) 1936-12-15
BE389285A (en)
FR39840E (en) 1932-03-24
GB401990A (en) 1933-11-23
BE371659A (en) 1930-08-30
GB408656A (en) 1934-04-09
US2289914A (en) 1942-07-14

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