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1. WO1996005544 - CURRENT-TO-PRESSURE TRANSDUCER WITH SELECTABLE, ADJUSTABLE INPUT FILTER

Publication Number WO/1996/005544
Publication Date 22.02.1996
International Application No. PCT/US1995/009872
International Filing Date 03.08.1995
Chapter 2 Demand Filed 08.03.1996
IPC
G05D 16/20 2006.01
GPHYSICS
05CONTROLLING; REGULATING
DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
16Control of fluid pressure
20characterised by the use of electric means
CPC
A61K 31/57
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
31Medicinal preparations containing organic active ingredients
56Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives, e.g. steroids
57substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane, progesterone
A61P 15/12
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
15Drugs for genital or sexual disorders
12for climacteric disorders
G05D 16/2013
GPHYSICS
05CONTROLLING; REGULATING
DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
16Control of fluid pressure
20characterised by the use of electric means
2006with direct action of electric energy on controlling means
2013using throttling means as controlling means
Applicants
  • FISHER CONTROLS INTERNATIONAL, INC. [US/US]; 8000 Maryland Avenue Clayton, MO 63105, US
Inventors
  • GASSMAN, George, W.; US
Agents
  • SCARPELLI, Nate, F.; Marshall, O'Toole, Gerstein, Murray & Borun 6300 Sears Tower 233 South Wacker Drive Chicago, IL 60606-6402, US
Priority Data
08/290,01512.08.1994US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CURRENT-TO-PRESSURE TRANSDUCER WITH SELECTABLE, ADJUSTABLE INPUT FILTER
(FR) TRANSDUCTEUR COURANT-PRESSION A FILTRE D'ENTREE POUVANT ETRE SELECTIONNE ET REGLE
Abstract
(EN)
Apparatus responsive to a control signal for developing a pressure includes a current-to-pressure transducer (22) including a transducer (50) responsive to the control signal for developing the pressure and a filter (60) disposed intermediate the control signal and the current-to-pressure transducer. The filter (60) has a dynamic input-to-output characteristic with an adjustable time constant so that the dynamic input-to-output characteristic can be varied. The apparatus also includes a signal selector (56) for selectively activating and deactivating the filter.
(FR)
Appareil répondant à un signal de commande, destiné à produire une pression, qui comporte un transducteur courant-pression (22) comprenant un transducteur (50) sensible au signal de commande de production de pression et un filtre (60) placé de manière intermédiaire entre le signal de commande et le transducteur courant-pression. Le filtre (60) possède une caractéristique dynamique d'entrée-sortie avec une constante de temps réglable si bien que ladite caractéristique peut être modifiée. Ledit appareil comporte également un sélecteur de signaux (56) destiné à activer et à désactiver sélectivement le filtre.
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