FR738475A - Perfectionnements aux appareils de télévision - Google Patents

Perfectionnements aux appareils de télévision

Info

Publication number
FR738475A
FR738475A FR738475DA FR738475A FR 738475 A FR738475 A FR 738475A FR 738475D A FR738475D A FR 738475DA FR 738475 A FR738475 A FR 738475A
Authority
FR
France
Prior art keywords
television sets
television
sets
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
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR738475A publication Critical patent/FR738475A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04N5/073—Arrangements or circuits at the transmitter end for mutually locking plural sources of synchronising signals, e.g. studios or relay stations
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Details Of Television Scanning (AREA)
FR738475D 1931-06-17 1932-06-10 Perfectionnements aux appareils de télévision Expired FR738475A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US544959A US2137039A (en) 1931-06-17 1931-06-17 Method and apparatus for communication by television

Publications (1)

Publication Number Publication Date
FR738475A true FR738475A (fr) 1932-12-26

Family

ID=24174289

Family Applications (1)

Application Number Title Priority Date Filing Date
FR738475D Expired FR738475A (fr) 1931-06-17 1932-06-10 Perfectionnements aux appareils de télévision

Country Status (3)

Country Link
US (1) US2137039A (fr)
FR (1) FR738475A (fr)
GB (1) GB395499A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE740131C (de) * 1935-10-25 1943-10-13 Opta Radio Ag Anordnung zur Erzeugung von Ablenkspannungen fuer die Ablenkung des Kathodenstrahls in Braunschen Roehren unter Verwendung eines Kippgenerators
DE743485C (de) * 1934-06-08 1943-12-27 Opta Radio Ag Anordnung zur Erzeugung von Synchronisierimpulsen und zu ihrer Einfuegung in die Bildsignalfolge bei Fernsehsendungen
DE747207C (de) * 1937-09-03 1944-09-15 Lorenz C Ag Kippschaltung zur Erzeugung symmetrischer Ablenkspannungen oder Ablenkstroeme
DE747900C (de) * 1934-03-17 1944-10-20 Cfcmug Schaltungsanordnung fuer Fernsehsender zur Erzeugung von Synchronisierimpulsen
DE767199C (de) * 1935-03-27 1952-03-31 Telefunken Gmbh Schaltung zur Erzeugung kurzer Impulse
DE968685C (de) * 1934-07-31 1958-03-20 Fernseh Gmbh Verfahren zur Synchronisierung von Bild- und Fernsehuebertragungen
DE755231C (de) * 1936-08-10 1958-04-24 Fernseh Gmbh Anordnung zur Erzeugung zeitproportionaler Ablenkstroeme

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743481C (de) * 1936-09-10 1943-12-27 Opta Radio Ag Anordnung zur Herstellung von Bildzerlegerscheiben
US2524349A (en) * 1939-11-28 1950-10-03 John H Homrighous Television system
US2521009A (en) * 1943-02-24 1950-09-05 John H Homrighous Television system
US2571168A (en) * 1947-06-07 1951-10-16 Farnsworth Res Corp Television synchronizing circuit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747900C (de) * 1934-03-17 1944-10-20 Cfcmug Schaltungsanordnung fuer Fernsehsender zur Erzeugung von Synchronisierimpulsen
DE743485C (de) * 1934-06-08 1943-12-27 Opta Radio Ag Anordnung zur Erzeugung von Synchronisierimpulsen und zu ihrer Einfuegung in die Bildsignalfolge bei Fernsehsendungen
DE968685C (de) * 1934-07-31 1958-03-20 Fernseh Gmbh Verfahren zur Synchronisierung von Bild- und Fernsehuebertragungen
DE767199C (de) * 1935-03-27 1952-03-31 Telefunken Gmbh Schaltung zur Erzeugung kurzer Impulse
DE740131C (de) * 1935-10-25 1943-10-13 Opta Radio Ag Anordnung zur Erzeugung von Ablenkspannungen fuer die Ablenkung des Kathodenstrahls in Braunschen Roehren unter Verwendung eines Kippgenerators
DE755231C (de) * 1936-08-10 1958-04-24 Fernseh Gmbh Anordnung zur Erzeugung zeitproportionaler Ablenkstroeme
DE747207C (de) * 1937-09-03 1944-09-15 Lorenz C Ag Kippschaltung zur Erzeugung symmetrischer Ablenkspannungen oder Ablenkstroeme

Also Published As

Publication number Publication date
US2137039A (en) 1938-11-15
GB395499A (en) 1933-07-20

Similar Documents

Publication Publication Date Title
FR738475A (fr) Perfectionnements aux appareils de télévision
FR806617A (fr) Perfectionnements aux appareils de télévision
FR655720A (fr) Perfectionnements aux appareils de télévision
FR815050A (fr) Perfectionnements apportés aux appareils de télévision
FR671691A (fr) Perfectionnements aux appareils de télévision
FR809213A (fr) Perfectionnements aux appareils de télévision
FR673495A (fr) Perfectionnements apportés aux appareils de télévision
FR753232A (fr) Perfectionnements aux appareils de télévision
FR761063A (fr) Perfectionnements aux appareils de télévision
FR719953A (fr) Perfectionnements aux appareils enregistreurs
FR738451A (fr) Perfectionnements aux appareils radio-récepteurs
FR733119A (fr) Perfectionnements aux appareils de télévision ou appareils similaires
FR726468A (fr) Perfectionnements aux appareils de télévision réciproque
FR761196A (fr) Perfectionnements aux appareils de télévision
FR786136A (fr) Perfectionnements aux appareils de télévision
FR708923A (fr) Perfectionnements aux appareils de démarrage
FR845986A (fr) Perfectionnements aux appareils de télévision
FR736122A (fr) Perfectionnements aux appareils de t. s. f.
FR728600A (fr) Perfectionnements relatifs aux appareils enregistreurs
FR733078A (fr) Perfectionnements aux appareils chymographiques
FR716065A (fr) Nouveaux perfectionnements aux appareils de démarrage
FR728258A (fr) Perfectionnements apportés aux appareils anti-éblouissants
FR731544A (fr) Perfectionnements aux appareils acoustiques
FR692653A (fr) Perfectionnements aux appareils de télévision
FR696817A (fr) Perfectionnements aux appareils de télévision