DE639581C - Method for spiral-shaped scanning or composition of the picture in television - Google Patents

Method for spiral-shaped scanning or composition of the picture in television

Info

Publication number
DE639581C
DE639581C DES111006D DES0111006D DE639581C DE 639581 C DE639581 C DE 639581C DE S111006 D DES111006 D DE S111006D DE S0111006 D DES0111006 D DE S0111006D DE 639581 C DE639581 C DE 639581C
Authority
DE
Germany
Prior art keywords
frequency
modulated
voltage
capacitor
arrangement
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
DES111006D
Other languages
German (de)
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.)
VEM Sachsenwerk GmbH
Original Assignee
Sachsenwerk Licht und Kraft AG
Publication date
Priority to DES111006D priority Critical patent/DE639581C/en
Application granted granted Critical
Publication of DE639581C publication Critical patent/DE639581C/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
    • H04N3/30—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Synchronizing For Television (AREA)
  • Transmitters (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

BERLIN. GEDRUCKT IN DER REICHSDRUCKCREIBERLIN. PRINTED IN THE REICHSDRUCKCREI

Claims (7)

Patentansprüche:Patent claims: i. Verfahren zur spiralförmigen Abtastung bzw. Zusammensetzung des BiI-' des beim Fernsehen durch Steuerung des Kathodenstrahls einer Braunschen Röhre mit konstanter Weggeschwindigkeit mittels einer frequenz- und amplitudenmodulierten Steuerspannung, dadurch gekennzeichnet, daß die frequenzmodulierte Steuerspannung durch Überlagerung einer konstanten Hochfrequenz mit einer sich entsprechend der gewünschten Frequenzmodulation ändernden Frequenz erzeugt und danach amplitudenmoduliert wird.i. Method for spiral scanning or composition of the BiI- ' in television by controlling the cathode ray of a Braun tube with constant travel speed by means of a frequency- and amplitude-modulated control voltage, characterized in that, that the frequency-modulated control voltage by superimposing a constant high frequency with a generated according to the desired frequency modulation changing frequency and then amplitude modulated. 2. Anordnung zur Durchführung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, daß der Sender konstanter Hochfrequenz quarzgesteuert ist.2. Arrangement for performing the method according to claim 1, characterized in that that the transmitter of constant high frequency is crystal controlled. 3. Anordnung zur Durchführung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, daß der Sender veränderlicher Frequenz einen rotierenden Kondensator besitzt.3. Arrangement for performing the method according to claim 1, characterized in that that the variable frequency transmitter has a rotating capacitor. 4. Anordnung nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß der Kondensator durch einen Synchronmotor angetrieben wird.4. Arrangement according to claim 1 to 3, characterized in that the capacitor is driven by a synchronous motor. 5. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die frequenzmodulierte Spannung mit einer Dreieckspannung amplitudenmoduliert wird.5. The method according to claim 1, characterized in that the frequency-modulated Voltage is amplitude modulated with a triangular voltage. 6. Verfahren nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß die Dreieckspannung mit der frequenzmodulierten Spannung mechanisch oder elektrisch unter Ausnutzung des Synchronmotors synchronisiert wird.6. The method according to claim 1 to 5, characterized in that the triangle voltage with the frequency-modulated voltage mechanically or electrically using the synchronous motor is synchronized. 7. Verfahren nach Anspruch 1 bis 4, dadurch gekennzeichnet, daß die frequenzmodulierte Spannung an die Ablenkplatten der Röhre über einen Widerstand mit linearer Frequenz-Charakteristik, z. B. über einen Kondensator, geführt wird.7. The method according to claim 1 to 4, characterized in that the frequency-modulated Voltage to the baffles of the tube through a resistor with a linear frequency characteristic, e.g. B. through a capacitor. *) Von dem Patentsucher ist als der Erfinder angegeben worden:*) The patent seeker stated as the inventor: Dr.-Ing. Günther Ulbricht in Blankenfelde, Kr. Teltow.Dr.-Ing. Günther Ulbricht in Blankenfelde, district of Teltow.
DES111006D Method for spiral-shaped scanning or composition of the picture in television Expired DE639581C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES111006D DE639581C (en) Method for spiral-shaped scanning or composition of the picture in television

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES111006D DE639581C (en) Method for spiral-shaped scanning or composition of the picture in television

Publications (1)

Publication Number Publication Date
DE639581C true DE639581C (en) 1936-12-11

Family

ID=7530660

Family Applications (1)

Application Number Title Priority Date Filing Date
DES111006D Expired DE639581C (en) Method for spiral-shaped scanning or composition of the picture in television

Country Status (1)

Country Link
DE (1) DE639581C (en)

Similar Documents

Publication Publication Date Title
GB542436A (en) Improvements in arrangements for controlling the transfer of signals, particularly applicable to television
DE882424C (en) Arrangement for keeping the mean frequency of an oscillator constant for frequency-modulated carrier waves
US2375709A (en) Expansion circuit for oscilloscopes
DE639581C (en) Method for spiral-shaped scanning or composition of the picture in television
GB606324A (en) Television system for transmitting and receiving pictures in stereoscopic relief
DE854231C (en) Method for generating time-modulated pulse trains
DE759620C (en) Frequency modulation method
GB1026543A (en) Improvements in or relating to a method and apparatus for shifting the phase of low frequency oscillations
DE865754C (en) Feedback generator for generating modulated vibrations
DE811966C (en) Transmitter circuit for phase or frequency modulated oscillations
DE1167380B (en) Color television receiver
DE357878C (en) Procedure for keeping the number of tours constant
DE818814C (en) Circuit for generating phase-modulated oscillations
AT116868B (en) Circuit for synchronizing apparatus for image transmission or similar purposes.
GB433295A (en) Improvements in or relating to television
DE768075C (en) Method for producing a voltage proportional to the error rate from the error alternating voltage
GB392810A (en) Television transmission method
DE662691C (en) Method for modulating transmitters
DE655885C (en) Method for transmitting two messages with which two auxiliary frequencies are modulated, which in turn modulate the carrier frequency of a transmitter
DE706626C (en) Transmission arrangement for generating course lines
DE515787C (en) Process for image transmission
DE820904C (en) Transmitter with high frequency constancy
DE958666C (en) Process for the automatic adjustment of the frequencies of a reactance tube-modulated transmitter oscillator
DE1412007B2 (en)
DE595808C (en) Method for the transmission or amplification of alternating voltages of different frequencies that are printed on a carrier frequency