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US1640436A - Amplifying system - Google Patents

Amplifying system Download PDF

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Publication number
US1640436A
US1640436A US69200A US6920025A US1640436A US 1640436 A US1640436 A US 1640436A US 69200 A US69200 A US 69200A US 6920025 A US6920025 A US 6920025A US 1640436 A US1640436 A US 1640436A
Authority
US
United States
Prior art keywords
circuit
current
cathode
field
operating
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
US69200A
Other languages
English (en)
Inventor
Frederick C Barton
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.)
General Electric Co
Original Assignee
General Electric Co
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 BE338048D priority Critical patent/BE338048A/fr
Application filed by General Electric Co filed Critical General Electric Co
Priority to US69200A priority patent/US1640436A/en
Priority to DEI27795D priority patent/DE546812C/de
Priority to FR32724D priority patent/FR32724E/fr
Priority to GB28729/26A priority patent/GB261415A/en
Priority to FR33155D priority patent/FR33155E/fr
Priority to FR33447D priority patent/FR33447E/fr
Priority to FR33996D priority patent/FR33996E/fr
Publication of US1640436A publication Critical patent/US1640436A/en
Application granted granted Critical
Priority to FR34843D priority patent/FR34843E/fr
Priority to FR35579D priority patent/FR35579E/fr
Priority to FR35761D priority patent/FR35761E/fr
Priority to FR35771D priority patent/FR35771E/fr
Priority to FR36008D priority patent/FR36008E/fr
Priority to FR37327D priority patent/FR37327E/fr
Priority to FR37676D priority patent/FR37676E/fr
Priority to FR37829D priority patent/FR37829E/fr
Priority to FR37830D priority patent/FR37830E/fr
Priority to FR37832D priority patent/FR37832E/fr
Priority to FR37835D priority patent/FR37835E/fr
Priority to FR37837D priority patent/FR37837E/fr
Priority to FR38851D priority patent/FR38851E/fr
Priority to FR38884D priority patent/FR38884E/fr
Priority to FR39679D priority patent/FR39679E/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/14—Arrangements for reducing ripples from DC input or output
    • 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
    • H04B1/1607—Supply circuits
    • H04B1/1623—Supply circuits using tubes

Definitions

  • My invention relates to apparatus for amplifying voltage impulses and applying them to a sound reproducing device such as a lou speaker, and has for its princi al object the provision'of an improved amplifying system that may be operated by alternating current iuipplied from a house lighting circuit or the In the operation of a sound reproducing device provided with operating and fie'l windings adapted to produce vibration of a diaphragm, it is customary voltage impulses to the operating coil through an amplifying system. This involves the application of different potentials to the cathode heating and anode circuits 0 the amplifiers and to the field winding of the reproducing device.
  • I 1 Referring to the drawing, the single figure shows an amplifyin system wherein my invention has been em odied.
  • This figure shows a sound reproducing device 1 wherein a diaphragm is operated by 4 means of an operating coil located in a v strong magnetic field produced in an annular air gap between poles 3 and 4 of a core member 5 by current transmitted through series and shunt field windings 6 and 7 respectively.
  • a diaphragm is operated by 4 means of an operating coil located in a v strong magnetic field produced in an annular air gap between poles 3 and 4 of a core member 5 by current transmitted through series and shunt field windings 6 and 7 respectively.
  • the diaphragm has been omitted from the drawing .and the core member 5 has been shown diagrammatically.
  • Voltage impulses from a suitable source are applied to the control circuit of an amphd cathode 11, a
  • a transformer 14 is provided with a primary winding 15 adapted to be connectedto a lighting circuit, a secondary winding 16 adapted to supply the heating current of the secondary winding 17 for supplying the cathode heating current of a thermionic rectifier 1'8, and a secondary winding 19 for supplying the exciting cur rent of thereproduclng devlce 1 and the output current of the amplifier 8.
  • the cathode 11 and the anode 8 are interconnected the secondary circuit 16, resistor 10, winding 19, rectifier 18, secondary circuit 17, series field coil 6 and the primafiy circuit 21 of a transformer 22;
  • the secon ary circuit 23 of this transformer is connected to the operating coil 2 of the device 1. Pulsation' 1n the current supplied to the anode circuit is prevented by the smoothing condensers 24 and 25 and by the impedances of coil 6-. v
  • Variation in the current transmitted through the amplifier 8 is determined by the voltage impulses applied to the grid 12 through the transformer 9 and these variations are utilized to energize the operating 10 coil 2 and produce operation of the sound reproducin device.
  • the provision of the shunt coil 7 is of advantage in that the limited by the recti- 0 fied current transmitted through the amplifier but may be made.to have a value high enough to ensure proper operation of the sound reproducing device.
  • ⁇ Vhat I claim as new and desire to secure by Letters Patent of the United States is 1.
  • a sound reproducing device comprising a plurality. of field circuits and an operating circuit, an amplier provided with a grid for controlling 'the transmission of current between its pulsations to said opera cathode and anode to cause voltage impulses to be applied to said operating circuit, and current supply means connected between said anode and cathode through one of said field circuits and to another of said field circuits independently of said amplifier.
  • a sound reproducing device comprising a. plurality of field circuits and an operating circuit, an amplifier provided with a grid for producing pulsations in the current transmitted between its cathode and anode, means connected between said cathode and anode for transmitting said ing circuit, a cur rent supply means connected between said anode and cathode through one of said field circuits and saidoperating windingand to another of said field circuits independently of said amplifier and operating winding, and impedance terminals of said field windings for preventing pulsations in the current transmitted therethrough.
  • an amplifier provided with a grid for controlling the transmission ofcurrent between its cathode aiidanode to cause voltage impulses to be supplied to said operating circuit, current supply means connected between said anode and cathode through one of said field circuits and said operating winding and to another of said field circuits independently of said valve and operating Winding, and means comprising a bias resistor connected between said'cathode and anode for transn'iitting voltage impulses to said grid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Amplifiers (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
US69200A 1925-03-03 1925-11-14 Amplifying system Expired - Lifetime US1640436A (en)

Priority Applications (23)

Application Number Priority Date Filing Date Title
BE338048D BE338048A (de) 1925-03-03
US69200A US1640436A (en) 1925-11-14 1925-11-14 Amplifying system
DEI27795D DE546812C (de) 1925-11-14 1926-04-01 Schaltung fuer einen Verstaerker in Verbindung mit einem Lautsprecher
FR32724D FR32724E (fr) 1925-03-03 1926-11-04 Perfectionnements aux systèmes amplificateurs
GB28729/26A GB261415A (en) 1925-11-14 1926-11-15 Improvements in thermionic valve amplifying systems
FR33155D FR33155E (fr) 1925-03-03 1927-02-04 Perfectionnements aux systèmes amplificateurs
FR33447D FR33447E (fr) 1925-03-03 1927-05-10 Perfectionnements aux systèmes amplificateurs
FR33996D FR33996E (fr) 1925-03-03 1927-08-17 Perfectionnements aux systèmes amplificateurs
FR34843D FR34843E (de) 1925-03-03 1927-12-31
FR35579D FR35579E (fr) 1925-03-03 1928-06-01 Perfectionnements aux systèmes amplificateurs
FR35761D FR35761E (fr) 1925-03-03 1928-06-01 Perfectionnements aux systèmes amplificateurs
FR35771D FR35771E (fr) 1925-03-03 1928-07-12 Perfectionnements aux systèmes amplificateurs
FR36008D FR36008E (fr) 1925-03-03 1928-10-15 Perfectionnements aux systèmes amplificateurs
FR37327D FR37327E (fr) 1925-03-03 1929-02-11 Perfectionnements aux systèmes amplificateurs
FR37676D FR37676E (fr) 1925-03-03 1929-02-16 Perfectionnements aux systèmes amplificateurs
FR37829D FR37829E (fr) 1925-03-03 1929-04-19 Perfectionnements aux systèmes amplificateurs
FR37830D FR37830E (fr) 1925-03-03 1929-05-08 Perfectionnements aux systèmes amplificateurs
FR37832D FR37832E (fr) 1925-03-03 1929-06-06 Perfectionnements aux systèmes amplificateurs
FR37835D FR37835E (fr) 1925-03-03 1929-08-22 Perfectionnements aux systèmes amplificateurs
FR37837D FR37837E (fr) 1925-03-03 1929-09-24 Perfectionnements aux systèmes amplificateurs
FR38851D FR38851E (fr) 1925-03-03 1929-10-04 Perfectionnements aux systèmes amplificateurs
FR38884D FR38884E (fr) 1925-03-03 1930-07-09 Perfectionnements aux systèmes amplificateurs
FR39679D FR39679E (fr) 1925-03-03 1930-12-12 Perfectionnements aux systèmes amplificateurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69200A US1640436A (en) 1925-11-14 1925-11-14 Amplifying system

Publications (1)

Publication Number Publication Date
US1640436A true US1640436A (en) 1927-08-30

Family

ID=22087379

Family Applications (1)

Application Number Title Priority Date Filing Date
US69200A Expired - Lifetime US1640436A (en) 1925-03-03 1925-11-14 Amplifying system

Country Status (3)

Country Link
US (1) US1640436A (de)
DE (1) DE546812C (de)
GB (1) GB261415A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487114A (en) * 1994-02-02 1996-01-23 Dinh; Khanh Magnetless speaker

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2770681A (en) * 1951-10-23 1956-11-13 Rola Company Inc Loud-speaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487114A (en) * 1994-02-02 1996-01-23 Dinh; Khanh Magnetless speaker

Also Published As

Publication number Publication date
GB261415A (en) 1927-07-07
DE546812C (de) 1932-03-17

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