US3720901A - Contactless program monitor - Google Patents

Contactless program monitor Download PDF

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Publication number
US3720901A
US3720901A US00051046A US3720901DA US3720901A US 3720901 A US3720901 A US 3720901A US 00051046 A US00051046 A US 00051046A US 3720901D A US3720901D A US 3720901DA US 3720901 A US3720901 A US 3720901A
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US
United States
Prior art keywords
yoke
magnet
galvanomagnetic
resistors
pole
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
US00051046A
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English (en)
Inventor
A Albrecht
H Hieronymus
Borcke U Von
P Hini
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Application granted granted Critical
Publication of US3720901A publication Critical patent/US3720901A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/24—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves
    • B25B27/26—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves compressing the springs
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/06—Program control other than numerical control, i.e. in sequence controllers or logic controllers using cams, discs, rods, drums or the like

Definitions

  • the yoke is of substantially inverted U-shaped configuration having a pair of spaced yoke legs joined at one end by a head portion pivotally mounted on the other pole of the magnet in a manner whereby the yoke is pivotable from one stable state to another in a plane formed by the yoke legs.
  • the invention relates to a contactless program monitor. More particularly, the invention relates to a contactless program monitor having galvanomagnetic resistors which have resistance values which are varied by a magnet.
  • the resistance value of a-galvanomagnetic resistor has a maximum when the resistor is located entirely in a magnetic field, that is, when the magnetic field is at its highest intensity. When the resistor is removed from the magnetic field, that is, when themagnetic field is reduced in intensity, the resistance value of the galvanomagnetic resistor may be reduced to a minimum.
  • the galvanomagnetic resistor has a high resistivity, and in the second instance said resistor has a low resistivity.
  • the galvanomagnetic resistance may be utilized to control a transistor, thyristor, or other controllable component.
  • a monitor for single pulses, utilizing galvanomagnetic resistors, may function as a switch, together with the controllable structural component.
  • the principal object of the invention is to provide a new and improved contactless program monitor.
  • An object of the invention is to provide a contactless program monitor which is easy to program, without special preparations.
  • An object of the invention is to provide a contactless program monitor which is free from wear and corrosion and thus functions with high operating reliability.
  • An object of the invention is to provide a contactless program monitor which may be programmed without extensive or expensive preparations and functions with any desired programs due to the facility of preparation of a perforated card or strip which may be utilized to provide the program.
  • An object of the invention is to provide a contactless program monitor which may be constructed with considerable compactness and which may be supplied with a program via a perforated paper strip.
  • An object of the invention is to provide a contactless program monitor which maybe programmed by a perforated paper strip reduced by a teleprinter.
  • An object of the invention is to provide a contactless program monitor which functions with efficiency, effectiveness and reliability.
  • a contactless program monitd f having galvanomagnetic resistors having variable resistance values controlled by at least one magnet comprises at least one magnet.
  • Yoke means of soft magnetic material provided for the magnet comprises a pole shoe rigidly affixed to one pole of the magnet and a yoke pivotally mounted on the other pole of the magnet about an axis.
  • the yoke is substantially inverted U-shaped configuration having a pair'of spaced yoke legs joined at one end by a head portion pivotally mounted on the other pole of the magnet in a manner whereby the yoke is pivotable from one stable state to another in a plane formed by the yoke legs.
  • Each of a pair of galvanomagnetic resistors is mounted on the pole shoe of the yoke means on a corresponding side of the magnet in a manner whereby when the yoke of the yoke means is in one stable state one yoke leg thereofis in close proximity with one of the galvanomagnetic resistors and the other yoke leg thereof is spaced from the other of the galvanomagnetic resistors and when the yoke is in the other stable state the other yoke leg thereof is in close proximity with the other of the galvanomagnetic resistors and the one yoke leg thereof is spaced from the one of the galvanomagnetic resistors.
  • a pair of spaced transmitter members cooperate with the head portion of the yoke of the yoke means for movement in the plane of the yoke legs for controlling the pivotal movement of the yoke into a selected one of its stable states.
  • Control means abutting the transmitter members controls the movement of the transmitter members thereby controlling the stable states of the yoke of the yoke means.
  • the magnet is a permanent magnet/Each of the galvanomagnetic resistors comprises indium antimonide having inclusions of nickel antimonide.
  • the transmitter members are movably mounted adjacent the head portion of the yoke and are positioned so that each is adjacent a corresponding end of the head portion of the yoke in a manner whereby when one of said transmitter members is moved in a specific direction it pivots the yoke into one of its stable states and when the other of the transmitter members is moved in the direction it pivots the yoke into the other of its stable states.
  • the transmitter members may be pins movably mounted in a guide member adjacent the head portion of the yoke and positioned so that each is adjacent a corresponding end of the head portion of the yoke in a manner whereby when one of the pins is moved in a specific direction it pivots the yoke into one ofits stable states and when the other of the pins is moved in the direction it pivots the yoke into the other of its stable states.
  • the control means may comprise a perforated program card abutting the transmitter members and having a perforation for accommodating one of the transmitter members so that one of the transmitter members passes through the perforation and does not affect the yoke and the other of the transmitter members abuts the program card and is moved thereby in a specific direction into contact with the head portion of the yoke thereby pivoting the yoke into a selected one of its stable states.
  • the control means may comprise a perforated paper strip abutting the transmitter members and having a perforation for accommodating one of the transmitter members so that one of the transmitter members passes through the perforation and does not affect the yoke and the other of the transmitter members abuts the paper strip and is moved thereby in a specific direction into contact with the head portion of the yoke thereby pivoting the yoke into a selected one of its stable states.
  • the guide member comprises a guide plate having depressions formed therein for accommodating the pins and the control means comprises a perforated member abutting the pins and interposed between the guide plate and the yoke means and having a perforation for accommodating one of the pins so that one of the pins passes through the perforation and does not affect the yoke and the other of the pins abuts the perforated member and is moved thereby in a specific direction into contact with the head portion of the yoke thereby pivoting the yoke into a selected one of its stable states.
  • Galvanomagnetic semiconductor resistors are known as field plates and are commercially available as such. They are therefore not described in detail herein.
  • FIG. 1 is a schematic diagram, partly in section, of an embodiment of the program monitor of the invention
  • FIG. 2 is a perspective view of another embodiment of the program monitor of the invention.
  • FIG. 3 is a schematic diagram, partly in section, of another embodiment of the program monitor of the invention.
  • a pair of magnets l and 1 are mounted, at corresponding poles thereof, on a carrier plate 2 of soft magnetic material.
  • the portion of the plate 2 which extends away from the side of each of the magnets l and '1 is usually a pole leg of the magnet.
  • the magnet has a pole shoe 3 at its pole opposite the one mounted on the carrier plate 2 and the magnet 1' has a pole shoe 3' at its pole opposite the one mounted on said carrier plate.
  • a yoke is pivotally mounted on the pole shoe 3 of the magnet l and is pivotable about the axis of a pivot pin 4.
  • a yoke 5' is pivotally mounted on the pole shoe 3 of the magnet 1' and is pivotable about the axis of a pivot pin 4.
  • Each of the yokes 5 and 5 is pivotable about its corresponding pivot pin 4 and 4' into a first stable state or a second stable state.
  • the first stable state is determined by a stop 6 of the magnet l and by a stop 6 of the magnet l'.
  • the second stable state is determined by a stop 7 of the magnet 1 and a stop 7 of the magnet l.
  • the yoke 5' is of substantially inverted U-shaped configuration having a pair of spaced yoke legs 5a and 5b joined at one end by a head portion 5c pivotally mounted on the pivot pin 4' in a manner whereby the yoke is pivotable from one stable state to another in a plane formed by the yoke legs.
  • the magnetic circuit of each of the yokes l and l is thus closed through its yoke legs.
  • a first galvanomagnetic resistor 8a is mounted on the pole shoe 2 at one side of the magnet l and a second galvanomagnetic resistor 8b is mounted on said pole shoe at the other side of said magnets.
  • a first galvanomagnetic resistor 8a is mounted on the pole shoe 2 at one side of the magnet l and a second galvanomagnetic resistor 8b is mounted on said pole shoe at the other side of said magnetic.
  • one of the field plates 8a and 8b or 8b is subjected to a magnetic field.
  • FIG. 1 the magnetic flux, in the magnetic circuit, traversing the field plates 8a and 8a is shown by broken line arrows.
  • the head portion 5c of the yoke 5 has a hump like projection and 9b at each of its legs 5a and 5b, respectively.
  • the head portion 50' of the yoke 5' has a hump like projection 9a and 9b at each of its legs 5a and 5b, respectively.
  • the humps 9a and 9b and 9a function as transmitter members and are in the plane of their corresponding yoke legs.
  • a program card 10 is provided.
  • the program card 10 has perforations or holes 11 and 11' formed therethrough.
  • the perforation 11 is provided for the protrusion 9b of the head portion 50 of the yoke 5, so that said protrusion moves into said perforation and said yoke is pivoted to its first stable state.
  • the perforation 11 is provided for the protrusion 9b of the head portion 5c of the yoke 5', so that said protrusion moves into said perforation and said yoke is pivoted to its first stable state.
  • each of the yokes 5 and 5 as shown in FIG. 1, has its yoke leg 5a and 5a, respectively, in close proximity with the galvanomagnetic resistor 8a and 8a, respectively.
  • the program card 10 is pressed against the program monitor, so that one of the projections 9a and 9b of the yoke 5 and one of the projections 9a and 9b of the yoke 5' protrudes through the corresponding perforation 11 and 11', respectively, of said perforated card.
  • tlie program monitor is set in its stable state by the hump or protrusion which does not extend into a perforation of the program card 10.
  • the projection 9a of the yoke 5 is urged downward by the program card 10 when said projection abuts said program card.
  • the projection 9a of the yoke 5' is urged downward by the program card 10 when said projection abuts said program card.
  • the program card 10 may comprise a planar plate and may consist of paper.
  • the program card 10 is urged against the program monitor by a plate 12 having depressions 13a, 13b, 13a and l3bformed therein in the area of each of the protrusions 9a, 9b, 9a and 9b.
  • the position of the program card 10 is determined by a spacer 14 which is positioned between the magnets l and 1 and is mounted on the carrier plate 2.
  • the program monitor of the invention is thus seeh to be very compact in structure.
  • the program card 10 may thus be a perforated strip and may comprise a perforated paper strip of the type utilized in teleprinting, for example. It is therefore very simple to produce the key for a desired program.
  • the perforated card which is not shown in the FIG., in order maintain the clarity of illustration, may be removed, and the program monitor remains set in its stable state, even after the removal of said perforated card.
  • the compact construction of the program monitor is illustrated by FIG. 2.
  • a single magnet 1" may be utilized as the control magnet for a plurality of yokes 5", and so on.
  • the yoke 5* is pivotable about a pivot edge formed in the head portion 50* thereof and positioned in a groove 16 formed in the upper surface of the pole shoe 3* of the magnet 1*.
  • the yoke 5** is pivotable about a pivot edge 15 formed in the head portion 5c** thereof and positioned in a groove 16 formed in the upper surface of the pole shoe 3 of the magnet 1**.
  • the magnet 1* functions as the stop for determining the stable state of the yoke 5* and the magnet 1** functions as the stop for determining the stable state of the yoke 5**.
  • a pair of spaced transmitter members or pins 17a and 17b are movably mounted adjacent the head portion 5c* of the yoke 5* for movement in the plane of the yoke legs 5a* and 5b* for controlling the pivotal movement of the yoke into a selected one of its stable states.
  • a pair of spaced transmitter members or pins 170 and 1712' are movably mounted adjacent the head portion 50 of the yoke 5** for movement in the plane of the yoke legs 5a** and 5b** for controlling the pivotal movement of the yoke into a selected one of its stable states.
  • Each of the pins 17a, 17b, 17a and 17b is movably mounted and guided in an aperture formed through a plate 19.
  • the plate 19 is affixed to the carrier plate 2 by a spacer 20 and has a plurality of apertures, in which the corresponding pins are seated, formed therethrough.
  • One of the apertures 18 is so labeled.
  • the program monitor of the embodiment of PK]. 3 may be controlled in the aforedescribed manner by a perforated card or perforated strip 10 having perforations 11* and 11 therein to accommodate the transmitter member pins 17a and 17a, respectively.
  • the apertures 11* and 11 for accommodating the transmitter member pins 17a and 17b, respectively may be produced in a perforated card 10* or may be punched in a perforated paper strip by a teleprinter.
  • the program monitor of the invention may thus be utilized extensively for many control and regulating functions.
  • a contactless program monitor having galvanomagnetic resistors having variable resistance values controlled by at least one magnet, said program monitor comprising at least one magnet; yoke means of soft magnetic material provided for said magnet, said yoke means comprising-a pole shoe rigidly affixed to one pole of said magnet and a yoke pivotally mounted on the other pole of said magnet about an axis, said yoke being of substantially inverted U-shaped configuration having a pair of spaced yoke legs joined at one end by a head portion pivotally mounted on said other pole of said magnet in a manner whereby said yoke is pivotable from one stable state to another in a plane formed by said yoke legs; a pair of galvanomagnetic resistors each mounted on the pole shoe of said yoke means on a corresponding side of said magnet in a manner whereby when the yoke of said yoke means is in one stable state one yoke leg thereof is in close proximity with one of said galvanomagnetic resistor
  • a contactless program monitor having galvanomagnetic resistors having variable resistance values controlled by at least one magnet, said program monitor comprising at least one magnet; yoke means of soft magnetic material provided for said magnet, said yoke means comprising a pole shoe rigidly affixed to one pole of said magnet and a yoke pivotally mounted on the other pole of said magnet about an axis, said yoke being of substantially inverted U-shaped configuration having a pair of spaced yoke legs joined at one end by a head portion pivotally mounted on said other pole of said magnet in a manner whereby said yoke is pivotable from one stable state to another in a plane formed by said yoke legs; a pair of galvanomagnetic resistors each mounted on the'pole shoe of said yoke means on a corresponding side of said magnet in a manner whereby when the yoke of said yoke means is in one stable state, one yoke leg thereofis in close proximity with one of said galvanomagnetic
  • a contactless program monitor having galvanomagnetic resistors having variable resistance values controlled by at least one magnet, said program monitor comprising at least one magnet; yoke means of soft magnetic material provided for said magnet, said yoke means comprising a pole shoe rigidly affixed to one pole of said magnet and a yoke pivotally mounted on the other pole of said magnet about an axis, said yoke being of substantially inverted U-shaped configu ration having a pair of spaced yoke legs joined at one end by a head portion pivotally mounted on said other pole of said magnet in a manner whereby said yoke is pivotable from one stable state to another in a plane formed by said yoke legs, the head portion being pivotally mounted at its center at the center of the other pole of the magnet so that the yoke is symmetrical to the magnet; a pair of galvanomagnetic resistors each mounted on the pole shoe of said yoke means on a corresponding side of said magnet in a manner whereby when
  • one yoke leg thereof is in close proximity with one of said galvanomagnetic resistors and the other yoke leg thereof is spaced from the other of said galvanomagnetic resistors and when said yoke is in the other stable state, the other yoke leg thereof is in close proximity with the other of said galvanomagnetic resistors and the oneyoke leg thereof is spaced from the one of said galvanomagnetic resistors;

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Magnetic Heads (AREA)
  • Toys (AREA)
US00051046A 1969-07-19 1970-06-30 Contactless program monitor Expired - Lifetime US3720901A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691936900 DE1936900A1 (de) 1969-07-19 1969-07-19 Kontaktloser Programmgeber

Publications (1)

Publication Number Publication Date
US3720901A true US3720901A (en) 1973-03-13

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ID=5740366

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Application Number Title Priority Date Filing Date
US00051046A Expired - Lifetime US3720901A (en) 1969-07-19 1970-06-30 Contactless program monitor

Country Status (6)

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US (1) US3720901A (de)
CH (1) CH517971A (de)
DE (1) DE1936900A1 (de)
FR (1) FR2055258A5 (de)
GB (1) GB1255428A (de)
NL (1) NL7008944A (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341772A (en) * 1963-10-26 1967-09-12 Siemens Ag Device for measuring locally dependent differences between the magnetic field gradient at different points of a magnetic field
US3529109A (en) * 1968-03-12 1970-09-15 Sylvania Electric Prod Multiple circuit control switch with guide stops for limiting the vertical travel of a springlike movable contact
US3537046A (en) * 1967-12-01 1970-10-27 Finsterhoelzl Rafi Elekt Series key without contact

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341772A (en) * 1963-10-26 1967-09-12 Siemens Ag Device for measuring locally dependent differences between the magnetic field gradient at different points of a magnetic field
US3537046A (en) * 1967-12-01 1970-10-27 Finsterhoelzl Rafi Elekt Series key without contact
US3529109A (en) * 1968-03-12 1970-09-15 Sylvania Electric Prod Multiple circuit control switch with guide stops for limiting the vertical travel of a springlike movable contact

Also Published As

Publication number Publication date
GB1255428A (en) 1971-12-01
DE1936900A1 (de) 1971-02-04
NL7008944A (de) 1971-01-21
FR2055258A5 (de) 1971-05-07
CH517971A (de) 1972-01-15

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