GB127318A - Improvements in or relating to Audion or Lamp Relay or Amplifying Apparatus. - Google Patents
Improvements in or relating to Audion or Lamp Relay or Amplifying Apparatus.Info
- Publication number
- GB127318A GB127318A GB5363/17A GB536317A GB127318A GB 127318 A GB127318 A GB 127318A GB 5363/17 A GB5363/17 A GB 5363/17A GB 536317 A GB536317 A GB 536317A GB 127318 A GB127318 A GB 127318A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transformer
- circuit
- potential
- grid
- tube
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 230000009466 transformation Effects 0.000 abstract 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 230000003321 amplification Effects 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/02—Audio-frequency transformers or mutual inductances, i.e. not suitable for handling frequencies considerably beyond the audio range
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/34—Adaptation for use in or on ships, submarines, buoys or torpedoes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/12—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means
- H03F1/13—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means in discharge-tube amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/22—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with tubes only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/46—Reflex amplifiers
- H03F3/48—Reflex amplifiers with tubes only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/62—Two-way amplifiers
- H03F3/64—Two-way amplifiers with tubes only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/22—Circuits for receivers in which no local oscillation is generated
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
127,318. Latour, M. April 15, 1916, [Convention date]. Telephonic relays. - High-frequency currents, such as are usad in wireless telegraphy and telephony, are amplified by vacuum-tube relays in combination with iron-core transformers, the transformation ratios of which are of determined values calculated from the constants of the vacuum tubes and their circuits. In order to prevent arcing in the tubes, the potentials of certain elements of the relay, for example, the transformer coils and cores, are fixed by connecting them to points on the supply battery. Fig. 3 shows a pair of vacuum tubes 1 arranged for a double amplification, the input circuit being connected across the primary of the transformer T', the secondary of which is connected to the grid 3 and filament 4 of the first tube. The plate circuit of this tube includes a source P and the primary coil of a transformer T<2>, the secondary being connected to the grid 3 and filament 4 of the second tube, the plate circuit of which is supplied by the same current source P and is connected by a transformer T<3> to the receiver circuit R. Each tube has four characteristic constants, viz. : the rates of change of the grid current when the plate potential is constant and the grid potential is slightly varied, and when the grid potential is constant and the plate potential is varied ; and the corresponding rates of change of the plate current. The transformation ratios are calculated in terms of these constants and of the resistances of the receiver circuit R and the input circuit, in such a way as to obtain the maximum relay effect, i.e. the maximum ratio of energy liberated in the receiver circuit R to energy consumed in the input circuit. The potential of the transformer cores M<1>, M<2>, M<3> and of one primary terminal of the transformer T<1> is determined by connexions to any point. of the battery P. The metal parts of the telephone receiver in the circuit R may be connected to the positive pole of the battery P. One form of transformer is shown in Fig. 4, in which the core is formed of two side members c and three cross-members a, b, the coils being wound around the central cross-member a, The cross-section of the parts b, c is equal to, or greater than, that of the central part a, so as to reduce the flux density in the external portions of the magnetic circuit. The primary coil Y is intermediate the two sections X, Z of the secondary coil, and a space e is left between the outside of the coil X and the core arm b. The coils may be formed of successive cylindrical strata several millimeters apart, and each stratum may consist of two layers of similar wire connected in parallel so as to reduce the resistance without increasing the capacity. The core is built up of thin sheets of silicon iron or of iron annealed in vacuo. The transformers may be placed in copper or aluminium casings to avoid magnetic leakage from one transformer to another, and the potential of these casings may be defined.
Priority Applications (43)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEL64610D DE467237C (en) | 1916-04-15 | Amplifier circuit for message transmission over lines | |
DEL54109D DE457173C (en) | 1916-04-15 | Amplifier circuit with three-electrode high vacuum tubes with plate anode | |
NL16084D NL16084C (en) | 1916-04-15 | ||
NL17823D NL17823C (en) | 1916-04-15 | ||
NL16667D NL16667C (en) | 1916-04-15 | ||
GB131639D GB131639A (en) | 1916-04-15 | ||
NL16393D NL16393C (en) | 1916-04-15 | ||
NL14277D NL14277C (en) | 1916-04-15 | ||
GB131362D GB131362A (en) | 1916-04-15 | ||
GB132118D GB132118A (en) | 1916-04-15 | ||
GB132668D GB132668A (en) | 1916-04-15 | ||
FR512295A FR512295A (en) | 1916-04-15 | 1916-04-15 | Improvements in devices with relay lamps or amplifiers |
FR21851A FR21851E (en) | 1916-04-15 | 1916-09-12 | Improvements in devices with relay lamps or amplifiers |
FR21852A FR21852E (en) | 1916-04-15 | 1916-10-02 | Improvements in devices with relay lamps or amplifiers |
FR21853A FR21853E (en) | 1916-04-15 | 1916-10-23 | Improvements in devices with relay lamps or amplifiers |
FR21854A FR21854E (en) | 1916-04-15 | 1916-10-30 | Improvements in devices with relay lamps or amplifiers |
FR21855A FR21855E (en) | 1916-04-15 | 1916-11-30 | Improvements in devices with relay lamps or amplifiers |
FR21856A FR21856E (en) | 1916-04-15 | 1916-12-20 | Improvements in devices with relay lamps or amplifiers |
FR21857A FR21857E (en) | 1916-04-15 | 1917-01-09 | Improvements in devices with relay lamps or amplifiers |
FR21858A FR21858E (en) | 1916-04-15 | 1917-04-03 | Improvements in devices with relay lamps or amplifiers |
GB5927/18A GB131056A (en) | 1916-04-15 | 1917-04-16 | Improvements in or relating to Audion or Lamp Relay or Amplifying Apparatus for use in Telephony. |
FR21859A FR21859E (en) | 1916-04-15 | 1917-04-30 | Improvements in devices with relay lamps or amplifiers |
FR21860A FR21860E (en) | 1916-04-15 | 1917-06-15 | Improvements in devices with relay lamps or amplifiers |
FR21861A FR21861E (en) | 1916-04-15 | 1917-06-30 | Improvements in devices with relay lamps or amplifiers |
FR21862A FR21862E (en) | 1916-04-15 | 1917-08-02 | Improvements in devices with relay lamps or amplifiers |
FR21863A FR21863E (en) | 1916-04-15 | 1917-09-07 | Improvements in devices with relay lamps or amplifiers |
GB13094/17A GB129659A (en) | 1916-04-15 | 1917-09-12 | Improvements in or relating to Audion or Lamp Relay or Amplifying Apparatus. |
GB14165/17A GB129660A (en) | 1916-04-15 | 1917-10-01 | Improvements in or relating to Audion or Lamp Relay or Amplifying Apparatus. |
FR21864A FR21864E (en) | 1916-04-15 | 1917-10-03 | Improvements in devices with relay lamps or amplifiers |
GB15543/17A GB129661A (en) | 1916-04-15 | 1917-10-25 | Improvements in or relating to Audion or Lamp Relay or Amplifying Apparatus. |
FR21865A FR21865E (en) | 1916-04-15 | 1917-11-17 | Improvements in devices with relay lamps or amplifiers |
GB18920/17A GB130022A (en) | 1916-04-15 | 1917-12-20 | Improvements in or relating to Audion or Lamp Relay or Amplifying Apparatus. |
GB555/18A GB130056A (en) | 1916-04-15 | 1918-01-09 | Improvements in or relating to Audion or Lamp Relay or Amplifying Apparatus. |
GB7083/18A GB131092A (en) | 1916-04-15 | 1918-04-26 | Improvements in or relating to Audion or Lamp Relay or Amplifying Apparatus. |
GB9534/18A GB120031A (en) | 1916-04-15 | 1918-06-10 | Improvements in or relating to Furnaces. |
FR21866A FR21866E (en) | 1916-04-15 | 1918-12-04 | Improvements in devices with relay lamps or amplifiers |
FR22644A FR22644E (en) | 1916-04-15 | 1919-12-02 | Improvements in devices with relay lamps or amplifiers |
GB19761/20A GB147758A (en) | 1916-04-15 | 1920-07-08 | Improvements in thermionic tube amplifying devices |
DEL54113D DE450862C (en) | 1916-04-15 | 1920-07-08 | Arrangement for amplifier circuits with cathode tubes |
DEL63600D DE448995C (en) | 1916-04-15 | 1920-07-08 | Cathode tube amplifier circuit using transformers |
FR24089A FR24089E (en) | 1916-04-15 | 1920-09-22 | Improvements in devices with relay lamps or amplifiers |
US493670A US1607466A (en) | 1916-04-15 | 1921-08-19 | Signaling system |
FR25711D FR25711E (en) | 1916-04-15 | 1921-12-02 | Improvements in devices with relay lamps or amplifiers |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR448995X | 1916-04-15 | ||
FR129659X | 1916-09-12 | ||
FR129660X | 1916-10-02 | ||
FR130022X | 1916-12-20 | ||
GB146117A GB108269A (en) | 1917-01-29 | 1917-01-29 | Improvements in or relating to Furnaces. |
FR147758X | 1918-12-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB127318A true GB127318A (en) | 1919-06-05 |
Family
ID=32777341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5363/17A Expired GB127318A (en) | 1916-04-15 | 1917-04-16 | Improvements in or relating to Audion or Lamp Relay or Amplifying Apparatus. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB127318A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1641075A1 (en) * | 2004-09-23 | 2006-03-29 | Plesik, SL. | Transmitting and receiving antenna with matching circuit |
-
1917
- 1917-04-16 GB GB5363/17A patent/GB127318A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1641075A1 (en) * | 2004-09-23 | 2006-03-29 | Plesik, SL. | Transmitting and receiving antenna with matching circuit |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2553324A (en) | Wide band audio and video transformer | |
US3714548A (en) | D.c. compensation circuit for miniature transformers | |
GB127318A (en) | Improvements in or relating to Audion or Lamp Relay or Amplifying Apparatus. | |
US792248A (en) | Induction-coil. | |
US4032836A (en) | Transformer circuit | |
US2568003A (en) | Switch choke coil | |
US1897040A (en) | Inductive device | |
US1687253A (en) | Negative impedance device | |
US2645746A (en) | High-frequency transformer for the transmission of electric impulses | |
US2096801A (en) | Power transformer | |
US1289941A (en) | Apparatus for loaded-telephone-line system. | |
US1853548A (en) | Coil | |
US1693898A (en) | Amplification system | |
US1718950A (en) | Transmission system | |
US1377405A (en) | Audion-circuit | |
US1530613A (en) | Electrical circuits | |
US791656A (en) | Telephone-current reinforcer or relay. | |
US1878742A (en) | Thermionic amplifier | |
US1570901A (en) | Amplifying system | |
US1617372A (en) | Repeating coil | |
US1433305A (en) | Loaded-telephone-line system | |
US1643075A (en) | Radio signaling apparatus | |
US1405523A (en) | Audion or lamp relay or amplifying apparatus | |
US1872264A (en) | Amplifier system | |
US1131251A (en) | Means for controlling direct currents. |