ES180051A1 - IMPROVEMENTS IN FILTER SYSTEMS - Google Patents

IMPROVEMENTS IN FILTER SYSTEMS

Info

Publication number
ES180051A1
ES180051A1 ES0180051A ES180051A ES180051A1 ES 180051 A1 ES180051 A1 ES 180051A1 ES 0180051 A ES0180051 A ES 0180051A ES 180051 A ES180051 A ES 180051A ES 180051 A1 ES180051 A1 ES 180051A1
Authority
ES
Spain
Prior art keywords
pulses
pulsations
given
polarity
given width
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
ES0180051A
Other languages
Spanish (es)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES180051A1 publication Critical patent/ES180051A1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B17/00—Hoistway equipment
    • B66B17/04—Mining-hoist cars or cages

Landscapes

  • Body Structure For Vehicles (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

Mejoras en sistemas de filtros caracterizado por un método para filtrar selectivamente una onda modulada con impulsos de anchuras diferentes para eliminar los impulsos que difieren de una anchura dada, que comprende el diferenciar la onda para obtener pulsaciones de una polaridad dada correspondiente a los bordes conductores de los impulsos y pulsaciones de polaridad opuesta de los bordes posteriores de los mismos, produciendo pulsaciones seleccionadas teniendo la mencionada polaridad opuesta una y cada una dispuesta a un intervalo de tiempo igual a la mencionada anchura dada desde una pulsación de la mencionada polaridad dada, mezclando y combinando las pulsaciones, y recortando la energía de pulsación resultante aun nivel más allá de la amplitud de las pulsaciones únicas obteniendo de esta manera una potencia neta de pulsaciones de acuerdo con la producción de impulsos de la mencionada anchura dada.Improvements in filter systems characterized by a method to selectively filter a modulated wave with pulses of different widths to eliminate pulses that differ from a given width, which comprises differentiating the wave to obtain pulses of a given polarity corresponding to the conductive edges of pulses and pulses of opposite polarity from the rear edges thereof, producing selected pulses having said opposite polarity one and each arranged at a time interval equal to said given width from a pulse of said given polarity, mixing and combining the pulsations, and cutting the resulting pulsation energy to a level beyond the amplitude of the single pulsations thus obtaining a net power of pulsations in accordance with the production of pulses of said given width.

ES0180051A 1942-12-01 1947-10-09 IMPROVEMENTS IN FILTER SYSTEMS Expired ES180051A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US467550A US2327913A (en) 1942-12-01 1942-12-01 Mine hoistway cage

Publications (1)

Publication Number Publication Date
ES180051A1 true ES180051A1 (en) 1947-11-16

Family

ID=23856154

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0180051A Expired ES180051A1 (en) 1942-12-01 1947-10-09 IMPROVEMENTS IN FILTER SYSTEMS

Country Status (2)

Country Link
US (1) US2327913A (en)
ES (1) ES180051A1 (en)

Also Published As

Publication number Publication date
US2327913A (en) 1943-08-24

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