US1906627A - Transmitter-tube arrangement - Google Patents

Transmitter-tube arrangement Download PDF

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Publication number
US1906627A
US1906627A US255797A US25579728A US1906627A US 1906627 A US1906627 A US 1906627A US 255797 A US255797 A US 255797A US 25579728 A US25579728 A US 25579728A US 1906627 A US1906627 A US 1906627A
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US
United States
Prior art keywords
circuit
tube
load
transmitter
source
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 - Lifetime
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US255797A
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English (en)
Inventor
Kummerer Wilhelm
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.)
Telefunken AG
Original Assignee
Telefunken AG
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 Telefunken AG filed Critical Telefunken AG
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Publication of US1906627A publication Critical patent/US1906627A/en
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—Modulator circuits; Transmitter circuits

Definitions

  • TRANSMITTER TUBE ARRANGEMENT Filed Feb. 20, 1928 w ⁇ new KUMMERER ATTORN EY ably of the Patented May 2, 1933 v umran SQTA-TEVS, orr ca f f wmnmm xuMmEmm. or? BERLIN, GERMANY, Assmnonao T LEF N'KER GEsELL- I SGHAI'IFFITB DRAHTLOSE T 'rRANsn mnR-TUBE ARRANGEMENT Applicatiohfiled February 20, 192s; Serial no. 25 s,7az,and.1neermanynarchae, 1927.;
  • The'circuit provided for the load' compensating usually contains a distinct tube,'suitthree electrode type Whose conductance isvariedin dependence upon the keying, so that whilesending orkeyingsignals, in other words, duringthe periods when oscillations are radiated from thetransmit ter apparatus,-the said tube is non-conducting sothat no loading of thenetwork is present, whereas during the spacing times the tube is rendered conducting, thus'representing the load of'the network. former practice, was mechanically controlled'in dependence upon the operation ofthe transmitter key;
  • One suitable arrangement consists lnthat adistinct circuit: which comprises a. rectifier device, say, a two-electo which the transmission waves BAP-HIE 1a.: B. H. H LLEscHEs;.;oRB aLrN; GER- MANYyACOBIORATION orenammr. W Y e H p .r I
  • I I v 1 In a device for main-taining-aconstant load on a power supply system for transmit ter tube circuits, an oscillatory tube system having an oscillation circuit therein, a load balancing tube and means comprising a rectifying circuit controlled by the intensity of oscillations in the transn'iitter circuit for,in
  • a device for maintaining the load on a power supply system for transmitter tube circuits constant comprising an oscillatory tube system having an oscillation circuit therein, a three electrode load balancing tube and a rectifying circuit, means for control ling the energy in said rectifying circuit in accordance with the intensity of oscillations in the oscillatory circuit for affecting the load taken up by said balancing tube.
  • an oscillatory tube system having an oscillation circuit therein, a load balancing tube connected to the power supply line and means comprising an energy transferring circuit between said oscillatory circuit and said load balancing tube foraffecting the conductivity of said load balancing tube in accordance with the oscillations in said transmitter circuit.
  • an oscillatory tube system having an oscillation circuit therein, a load balancing tube of the three electrode type having its plate filament circuit connected across the power supply line, the grid filament circuit of said tube having therein a condenser and a resistance in parallel, and a rectifying device coupled with said oscillatory circuit and arranged in series with said condenser for charging said condenser in accordance with conditions in said oscillatory circuit.
  • a transmitting arrangement having an output and an input circuit, said output circuit comprising an oscillation cir cuit and said power supply system in series, a variable loading device shunted across said power supply system, said variable loading device having an input and an output circuit and having similar electrical characteristics as said transmitting arrangement, means comprising a rectifying device for coupling the output of said transmitting arrangement to the input of said loading device said last named means being adapted to re verse the function of said loading device relative to said transmitting arrangement.
  • means for generating oscillations including a thermionic tube, a source of potential therefor, a load balancing tube having its anode cathode impedance connected across said source, an oscillatory circuit-in said oscillation generating means, and
  • a signal transmitting arrangement connected to said power supply system, said arrangement having load characteristics varying in accordance with the transmitted signal energy, an auxiliary loading means connected to said power supply system, means for coupling said transmitting arrangement to'said auxiliary loading means, said last named means being adapted to increase the "d power supply system when the effect of said transmitter on said power supply system decreases and vice versa.
  • an electron discharge device having an anode-cathode circuit, a source of electromotive force connected in said circuit, a second electron discharge device connected across said source of electro motive force, means for controlling said first discharge device in accordance with desired signals and additional means responsive to operation of said first device to control the impedance of said second electron discharge device thereby to compensate for impedance variations in the first electron discharge device.
  • an electron discharge device having output electrodes connected in an output circuit, means for supplying energy to said device, a variable loading device shunted across said energy supply means, and for controlling said variable loading device in accordance with the load placed upon said supply means by said electron discharge device in opposite senses whereby the total load of said energy supply means remains constant.
  • an electron discharge device having an anode-cathode circuit, a source of electr'omotive force con nected in said circuit, a second electron discharge device connected across said source of electromotive force, means whereby said first discharge device is excited with high frequency oscillations in accordance with desired signals, and means for controlling said second electron discharge device in response to sa1d oscillations thereby to maintaln a substantially constant load on said source not-- withstanding impedance variations in said first discharge device.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Dc-Dc Converters (AREA)
US255797A 1927-03-29 1928-02-20 Transmitter-tube arrangement Expired - Lifetime US1906627A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE287903T 1927-03-29

Publications (1)

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US1906627A true US1906627A (en) 1933-05-02

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ID=31893916

Family Applications (1)

Application Number Title Priority Date Filing Date
US255797A Expired - Lifetime US1906627A (en) 1927-03-29 1928-02-20 Transmitter-tube arrangement

Country Status (2)

Country Link
US (1) US1906627A (enrdf_load_stackoverflow)
GB (1) GB287903A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533552A (en) * 1945-11-21 1950-12-12 Research Corp Signal converter for multisignal transmission systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2533552A (en) * 1945-11-21 1950-12-12 Research Corp Signal converter for multisignal transmission systems

Also Published As

Publication number Publication date
GB287903A (enrdf_load_stackoverflow) 1928-06-28

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