FR3058851B1 - DEVICE FOR ENCODING INFORMATION BETWEEN A PLURALITY OF SWITCHES OF A SHIFT LEVER AND A CONTROL DEVICE - Google Patents

DEVICE FOR ENCODING INFORMATION BETWEEN A PLURALITY OF SWITCHES OF A SHIFT LEVER AND A CONTROL DEVICE Download PDF

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Publication number
FR3058851B1
FR3058851B1 FR1660975A FR1660975A FR3058851B1 FR 3058851 B1 FR3058851 B1 FR 3058851B1 FR 1660975 A FR1660975 A FR 1660975A FR 1660975 A FR1660975 A FR 1660975A FR 3058851 B1 FR3058851 B1 FR 3058851B1
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France
Prior art keywords
network
switches
line
control device
resistors
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Active
Application number
FR1660975A
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French (fr)
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FR3058851A1 (en
Inventor
Jean De La Bardonnie
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.)
Ratier Figeac SAS
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Ratier Figeac SAS
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Priority to FR1660975A priority Critical patent/FR3058851B1/en
Publication of FR3058851A1 publication Critical patent/FR3058851A1/en
Application granted granted Critical
Publication of FR3058851B1 publication Critical patent/FR3058851B1/en
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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/22—Static coding
    • H03M11/24—Static coding using analogue means, e.g. by coding the states of multiple switches into a single multi-level analogue signal or by indicating the type of a device using the voltage level at a specific tap of a resistive divider
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
    • B64C13/02—Initiating means
    • B64C13/04—Initiating means actuated personally
    • B64C13/042—Initiating means actuated personally operated by hand
    • B64C13/0421—Initiating means actuated personally operated by hand control sticks for primary flight controls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
    • B64C27/56—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement characterised by the control initiating means, e.g. manually actuated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/74—Simultaneous conversion
    • H03M1/78—Simultaneous conversion using ladder network

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Transmission Device (AREA)
  • Keying Circuit Devices (AREA)

Abstract

L'invention concerne un dispositif de codage (1) d'informations entre une pluralité d'interrupteurs (P1...Pn) d'un levier de manœuvre (2) et un dispositif (9) de commande, ledit dispositif comprenant : - une ligne de tension (3) reliée à une borne positive d'une source de tension (Vcc), - une ligne de référence (4) reliée à une masse de la source de tension, - une ligne de mesure (5) reliée au dispositif de commande, - un premier réseau (6) de résistances (R1...Rn) connectées en série, chaque paire de résistances consécutives dudit réseau étant reliées entre elles par un point de connexion, dit nœud de priorité (N1...Nn), ledit réseau étant connecté par une première extrémité (6a) à la ligne de tension, - chaque interrupteur (Pi) de ladite pluralité d'interrupteurs étant relié par une première borne à un nœud de priorité (Ni) de même rang du premier réseau de résistances en série et par une deuxième borne à la ligne de mesure, caractérisé en ce qu'une deuxième extrémité (6b) du premier réseau de résistances est reliée à la ligne de mesure (5), cette dernière étant reliée à la ligne de référence (4) par au moins une résistance, dite résistance de pied (Rp).The invention relates to a device for encoding (1) information between a plurality of switches (P1 ... Pn) of an operating lever (2) and a control device (9), said device comprising: - a voltage line (3) connected to a positive terminal of a voltage source (Vcc), - a reference line (4) connected to a ground of the voltage source, - a measurement line (5) connected to the control device, - a first network (6) of resistors (R1 ... Rn) connected in series, each pair of consecutive resistors of said network being connected to each other by a connection point, said priority node (N1 ... Nn), said network being connected by a first end (6a) to the voltage line, - each switch (Pi) of said plurality of switches being connected by a first terminal to a priority node (Ni) of the same rank of the first network of resistors in series and by a second terminal to the measurement line, characterized in that a second end (6b) of the first network of resistors is connected to the measuring line (5), the latter being connected to the reference line (4) by at least one resistor, called the bottom resistance (Rp ).

FR1660975A 2016-11-14 2016-11-14 DEVICE FOR ENCODING INFORMATION BETWEEN A PLURALITY OF SWITCHES OF A SHIFT LEVER AND A CONTROL DEVICE Active FR3058851B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1660975A FR3058851B1 (en) 2016-11-14 2016-11-14 DEVICE FOR ENCODING INFORMATION BETWEEN A PLURALITY OF SWITCHES OF A SHIFT LEVER AND A CONTROL DEVICE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1660975 2016-11-14
FR1660975A FR3058851B1 (en) 2016-11-14 2016-11-14 DEVICE FOR ENCODING INFORMATION BETWEEN A PLURALITY OF SWITCHES OF A SHIFT LEVER AND A CONTROL DEVICE

Publications (2)

Publication Number Publication Date
FR3058851A1 FR3058851A1 (en) 2018-05-18
FR3058851B1 true FR3058851B1 (en) 2020-02-21

Family

ID=58547570

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1660975A Active FR3058851B1 (en) 2016-11-14 2016-11-14 DEVICE FOR ENCODING INFORMATION BETWEEN A PLURALITY OF SWITCHES OF A SHIFT LEVER AND A CONTROL DEVICE

Country Status (1)

Country Link
FR (1) FR3058851B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015254A (en) * 1975-12-04 1977-03-29 General Motors Corporation Keyboard encoding circuit utilizing an A/D converter
US7265699B1 (en) * 2006-02-28 2007-09-04 Gm Global Technology Operations, Inc. Nine-position resistor ladder switch assembly
US7768436B2 (en) * 2007-09-10 2010-08-03 Gm Global Technology Operations, Inc. Method and structure for implementing a resistor ladder

Also Published As

Publication number Publication date
FR3058851A1 (en) 2018-05-18

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