GB271132A - Improvements in or relating to smoothing or filter circuits for use in conjunction with thermionic valves - Google Patents

Improvements in or relating to smoothing or filter circuits for use in conjunction with thermionic valves

Info

Publication number
GB271132A
GB271132A GB395226A GB395226A GB271132A GB 271132 A GB271132 A GB 271132A GB 395226 A GB395226 A GB 395226A GB 395226 A GB395226 A GB 395226A GB 271132 A GB271132 A GB 271132A
Authority
GB
United Kingdom
Prior art keywords
choke
mains
smoothing
lamp
valve
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
GB395226A
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.)
RODERICK SANCROFT ATHERSTONE
Original Assignee
RODERICK SANCROFT ATHERSTONE
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 RODERICK SANCROFT ATHERSTONE filed Critical RODERICK SANCROFT ATHERSTONE
Priority to GB395226A priority Critical patent/GB271132A/en
Publication of GB271132A publication Critical patent/GB271132A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

Abstract

271,132. Atherstone, R. S. Feb. 11, 1926. Thermionic valve circuits.-In a system for supplying current from the mains to a thermioniu valve or other electric system, a potential divider is combined with means for eliminating current ripple and strays picked up by the mains acting as an aerial. Rejection circuits 22 are provided between the apparatus and one or both of the mains 1, 2, and the apparatus is shunted by a smoothing condenser 21. smoothing condensers 9, 17, 18, being also provided between various parts of the potential divider shown. The filament circuit of the valves comprises, in series, a lamp or other resistance 20, one or more choke coils 8, 16, the valve filament across the terminals 6, 5, and the potentiometer resistance 11 shunted by a lamp 10. A neon lamp, fuse, or other current limiting device 12 is also provided. The circuit to the high tension terminal 3 includes a choke coil 7 wound on the same core as the choke 8 in such a sense that the current fluctuations tend to produce a flux in the same direction through both coils. An intermediate high tension terminal 13 may be connected through a similar choke 15 to a tapping on the potentioemter 11. Reference has been directed by the Comptroller to Specifications 227,189 and 236,702.
GB395226A 1926-02-11 1926-02-11 Improvements in or relating to smoothing or filter circuits for use in conjunction with thermionic valves Expired GB271132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB395226A GB271132A (en) 1926-02-11 1926-02-11 Improvements in or relating to smoothing or filter circuits for use in conjunction with thermionic valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB395226A GB271132A (en) 1926-02-11 1926-02-11 Improvements in or relating to smoothing or filter circuits for use in conjunction with thermionic valves

Publications (1)

Publication Number Publication Date
GB271132A true GB271132A (en) 1927-05-11

Family

ID=9767963

Family Applications (1)

Application Number Title Priority Date Filing Date
GB395226A Expired GB271132A (en) 1926-02-11 1926-02-11 Improvements in or relating to smoothing or filter circuits for use in conjunction with thermionic valves

Country Status (1)

Country Link
GB (1) GB271132A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756015C (en) * 1932-12-25 1955-08-04 Opta Radio A G Stress calming arrangement
US4703409A (en) * 1983-09-26 1987-10-27 International Business Machines Corporation Coupled power supply inductors for reduced ripple current
US6245375B1 (en) 1998-04-24 2001-06-12 Lipton, Division Of Conopco, Inc. Dressing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756015C (en) * 1932-12-25 1955-08-04 Opta Radio A G Stress calming arrangement
US4703409A (en) * 1983-09-26 1987-10-27 International Business Machines Corporation Coupled power supply inductors for reduced ripple current
US6245375B1 (en) 1998-04-24 2001-06-12 Lipton, Division Of Conopco, Inc. Dressing

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