US1669059A - Antenna-circuit arrangement - Google Patents

Antenna-circuit arrangement Download PDF

Info

Publication number
US1669059A
US1669059A US493666A US49366621A US1669059A US 1669059 A US1669059 A US 1669059A US 493666 A US493666 A US 493666A US 49366621 A US49366621 A US 49366621A US 1669059 A US1669059 A US 1669059A
Authority
US
United States
Prior art keywords
circuit
antenna
plate
grid
inductance
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
Application number
US493666A
Other languages
English (en)
Inventor
Latour Marius
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.)
LATOUR Corp
Original Assignee
LATOUR CORP
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
Priority to FR22826A priority Critical patent/FR22826E/fr
Application filed by LATOUR CORP filed Critical LATOUR CORP
Priority to US493666A priority patent/US1669059A/en
Priority to US664681A priority patent/US1673009A/en
Application granted granted Critical
Publication of US1669059A publication Critical patent/US1669059A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
    • H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
    • H03H2/006—Transmitter or amplifier output circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C17/00—Aircraft stabilisation not otherwise provided for
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B7/00—Generation of oscillations using active element having a negative resistance between two of its electrodes
    • H03B7/02—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance
    • H03B7/10—Generation of oscillations using active element having a negative resistance between two of its electrodes with frequency-determining element comprising lumped inductance and capacitance active element being gas-discharge or arc-discharge tube

Definitions

  • the antenna-ground circuit is iniluenced in accordance with the known methods either by induction or branch connections under the control of a local oscillatory circuit associated with the generator.
  • the antenna circuit is connected directly into one of the circuits of the generator, wheb a single oscillatory circuit will' be obtaineA
  • the drawings yexemplify two circuit arrangements embodying the present invention.
  • Fig. 1 represents the well known circuit arrangement of ⁇ a cathodic generator.
  • the generator is represented by D and a current source X is connected in a branch between the plate P and a filament F.
  • the oscillatory circuit comprisingthe inductance-L, connected in series with one winding of a transformer T and the condenser C, is inserted into the above mentioned branch circuit.
  • the secondary windcurrent source Yka ing of the transformer is in a branch between the grid G and the f ⁇ filament.
  • An auxiliary source Y feeds the filament.
  • the antenna-ground circuit not shown in the figure, is arranged to be actuated by the oscillatory circuit v LC either by, induction or by shunting.
  • Fig. 2 in which the same reference characters indicate the same elements as above, shows one embodiment of the invention.
  • the oscillatory circuit' is open and the antenna A is connected to one of the terminals of the condenser C.
  • One/end of the inductance is grounded.
  • Fig. 3 there is illustrated a circuit arrangement in which tuning 'of thel antenna circuit is effected by means of a variable inductance a portion of which is included in the antenna.
  • the vacuum tube D comprises a filament F heated by the grid G and a plate P.
  • a current source is connected in a branch circuit between the plate P and the ilament F.
  • the inductance L forms lpart of the antenna circuit AH ⁇ without the insertion of the capacity C of Fig. 1.
  • the grid G is vconnected to a winding T connected and coupled with the inductance L.
  • Fig. 3 also shows a mani ulator or interrupting key I for controlling the sending of signals.
  • This interrupter is arranged in a manner to open the grid and plate circuits simultaneously, the generator circuits being established only when the sending of the waves is desired. As a matter of fact this has proved to be satisfactory by experience,
  • the source X which may obviously be an alternating current source in any of the arrangements according to my invention may also be permanently connected with a resistance in order toA avoid too high initial potentials in the plate-filament circuit when the interrupter is closed.
  • the hea-ting of lthe filament or the potential between the grid and the lament is controlled.
  • rlhe receiving circuit proper will extend between any two points of the system thus constituted, e. g., between the grid and the fila I ent of the generator.
  • Any detector, but preterably an audion tube, may be used in this receiving circuit.
  • l. ln a radio signalling system, the combination ot' an antenna, a three electrode valve having a heated ilament, a grid and a plate, a source of electromotive force between the plate and filament, an inductance between the plate and the filament, said inductance being also in the antenna, and an inductance connected to the grid and to said plate inductance, said plate inductance and antenna capacity being adapted tol act as an oscillation circuit common to the plate and antenna circuits, saidoscillation circuit being the only physically tuned circuit in the system.
  • a radio signalling system the combination of a grounded antenna, a three electrode valve having a heated grounded lainent, a ⁇ grid and a plate, a plate circuit containing a source of electromotivc force and an inductance connected to the plate and the antenna at one end, to the grid at the other end and to ground at an intermediate point by means 'ot an adjustable connection.
  • the combination 'ot a grounded antenna, a three electrode valve having a heated grounded ilament, a grid and a plate, a plate circuit containing Aa source of electromotive force and an inductance connectcd to the plate and the antenna at one end, to the grid at the other end and to round at an intermediate point by means ot an adjustable connection, and means for simultaneously interruptin f the circuit between the ilameiit and grid and between the ⁇ filament and plate.
  • a. ln a radio frequency arrangement, an electron discharge device having an anode, cathode and control electrode, a tuned antenna circuit, means for regencratively couplingthc input and output circuits ot said device together, and means for coupling said device to said antenna circuit, 'whereby said antenna, ⁇ circuit is'the only physically tuned circuit in the arrangement.
  • an electron discharge device having an anode, cathode and control electrode, a tuned antenna circuit, means for coupling the input and output circuits ofsaid device together to produce oscillationsfand means for coupling said device Ato said antenna circuit, whereby said antenna circuit is kthe only physically tuned circuit in the arrangement.
  • an electron discharge device having an anode, -athode and control electrode, a Source of space current, a source of cathode heating current, kone ot' said currents being alternating, a tuned antenna circuit, means for regeneratively coupling the input and output circuits of said device together, and means for coupling said device to said antenna circuit, whereby said antenna circuit is the only physically tuned circuit in the arrangement.
  • anJ electron discharge device having an anode, cathode and control electrode, a sourceof alternating space current', a tuned antenna circuit, means for regeneratively coupling the input and output circuits of said device together, and means rfor coupling said device to said antennav circuit, whereby said antenna. circuit is the only physically tuned circuit in the arrangement.
  • an electron discharge device having an anode, cathode and control electrode, an input circuit including said cathode and control electrode and an output circuit including said controlling the trains of oscillations comrising a permanent conductive connection ietween the control element of the valve and the negative lead of the high tension supply and a circuit interrupting device interposed in a conductor connecting the said negative lead and the filament of the valve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radiation-Therapy Devices (AREA)
US493666A 1915-11-11 1921-08-19 Antenna-circuit arrangement Expired - Lifetime US1669059A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR22826A FR22826E (fr) 1915-11-11 1915-12-08 Montage du circuit d'antenne pour générateurs cathodiques à ondes entretenues
US493666A US1669059A (en) 1915-11-11 1921-08-19 Antenna-circuit arrangement
US664681A US1673009A (en) 1921-08-19 1923-09-25 Antenna-circuit arrangement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR502633T 1915-11-11
US493666A US1669059A (en) 1915-11-11 1921-08-19 Antenna-circuit arrangement

Publications (1)

Publication Number Publication Date
US1669059A true US1669059A (en) 1928-05-08

Family

ID=86328676

Family Applications (1)

Application Number Title Priority Date Filing Date
US493666A Expired - Lifetime US1669059A (en) 1915-11-11 1921-08-19 Antenna-circuit arrangement

Country Status (2)

Country Link
US (1) US1669059A (fr)
FR (1) FR22826E (fr)

Also Published As

Publication number Publication date
FR22826E (fr) 1921-08-23

Similar Documents

Publication Publication Date Title
US1669059A (en) Antenna-circuit arrangement
US2129820A (en) Modulation system for ultra-short waves
US1974184A (en) Radio apparatus
US1864368A (en) Electrical oscillation generator
US1356763A (en) Oscillation-generator
US2002201A (en) Regenerative system and method of operating the same
US2004101A (en) Vacuum tube oscillator
US2097896A (en) Amplifying arrangement
US1921448A (en) Oscillation circuit for short-wave generators
US2590282A (en) Variable impedance device
US2283793A (en) High frequency modulated radio signal transmitter
US2541055A (en) Radio telegraph transmitter
US1683012A (en) Thomas
US1588519A (en) Grid leak
US1586580A (en) Oscillating system
US1834408A (en) Electric signaling
US1848594A (en) Fornia
US2023439A (en) Radio receiving system
US1278535A (en) Wireless signaling apparatus.
US1379184A (en) Shielding radio apparatus
US2081711A (en) High frequency apparatus
US2794853A (en) Submarine cable amplifier and wave shaper
US1884675A (en) Electric wave transmission system
US1137315A (en) System for the transmission of intelligence.
US1318855A (en) Method of and apparatus for controlling electrical energy