Flat pack reed relays

Claim 2

In an electromagnetic reed relay adapted for low profile packaging, a combination comprising a pair of magnetic material means each spaced from the other, permanent magnet means magnetically coupled to said pair of magnetic material means and constantly providing flux in a predetermined direction, said permanent magnet means being a permanent magnet with its poles at its ends which are each magnetically coupled to a different one of said pair of magnetic material means, electromagnet means magnetically coupled to said pair of magnetic material means and short circuiting said permanent magnet meaNs in the absence of flux opposing the shunting of the permanent magnet flux by the short circuit, said electromagnet means when energized providing flux in the same direction as said permanent magnet means and which is sufficient to oppose the shunting of the permanent magnet flux, said electromagnetic means comprising a pair of electromagnets each being disposed between said permanent magnet and a different one of said sets of switches, each of said electromagnets having a coil and a core of magnetic material extending through said coil substantially parallel to said permanent magnet, said cores each being magnetically coupled at each end to a different one of said pair of magnetic material means, said coils being adapted for energization thereby polarizing said cores and providing flux substantially parallel to and in the same direction as the flux provided by said permanent magnet, magnetically operable switch means including two sets of switches each being disposed at a different end of said pair of magnetic material means, and said permanent magnet and electromagnet means being disposed between said two sets of switches, each of said sets of switches including at least one reed switch with at least two reed contact conductors magnetically coupled each to a different one of said pair of magnetic material means, and each of said reed switches being unoperated when said permanent magnet means is short circuited, and operated by the total flux provided by said permanent magnet and electromagnet means when the flux provided by said electromagnet means opposes the shunting of the flux provided by said permanent magnet means.

Claim 3

The electromagnetic relay in accordance with claim 1, and said coils being connected for simultaneous energization.

Claim 4

In an electromagnetic reed relay adapted for low profile packaging, a combination comprising a pair of magnetic material means each spaced from the other, permanent magnet means magnetically coupled to said pair of magnetic material means and constantly providing flux in a predetermined direction, said permanent magnet means being a pair of permanent magnets each with its poles at its ends which are each magnetically coupled to a different one of said pair of magnetic material means, electromagnet means magnetically coupled to said pair of magnetic material means and short circuiting said permanent magnet means in the absence of flux opposing the shunting of the permanent magnet flux by the short circuit, said electromagnet means when energized providing flux in the same direction as said permanent magnet means and which is sufficient to oppose the shunting of the permanent magnet flux, said electromagnetic means being disposed between said pair of permanent magnets and comprising a coil and a core of magnetic material extending through said coil substantially parallel to said permanent magnet, said core being magnetically coupled at each end to a different one of said pair of magnetic material means, said coil being adapted for energization thereby polarizing said core and providing flux substantially parallel to and in the same direction as the flux provided by said permanent magnets, magnetically operable switch means including two sets of switches each being disposed at a different end of said pair of magnetic material means, and said permanent magnet and electromagnet means being disposed between said two sets of switches, each of said sets of switches including at least one reed switch with at least two reed contact conductors magnetically coupled each to a different one of said pair of magnetic material means, and each of said reed switches being unoperated when said permanent magnet means is short circuited, and operated by the total flux provided by said permanent magnet and electromagnet means when the flux provided by said electromagnet means opposes the shunting of the flux provided by said permanent magnet means.

Claim 5

In an electromagnetic reed relay adapted for low profile packaging, a combination comprising a pair of magnetic material means each spaced from the other, permanent magnet means magnetically coupled to said pair of magnetic material means and constantly providing flux in a predetermined direction, said permanent magnet means being a pair of permanent magnets each with its poles at its ends which are each magnetically coupled to a different one of said pair of magnetic material means, electromagnet means magnetically coupled to said pair of magnetic material means and short circuiting said permanent magnet means in the absence of flux opposing the shunting of the permanent magnet flux by the short circuit, said electromagnet means when energized providing flux in the same direction as said permanent magnet means and which is sufficient to oppose the shunting of the permanent magnet flux, said electromagnetic means being disposed between said pair of permanent magnets and comprising a coil and a core of magnetic material extending through said coil substantially parallel to said permanent magnet, said core being magnetically coupled at each end to a different one of said pair of magnetic material means, said coil being adapted for energization thereby polarizing said core and providing flux substantially parallel to and in the same direction as the flux provided by said permanent magnets, magnetically operable switch means including two sets of switches each being disposed at a different end of said pair of magnetic material means, and said permanent magnet and electromagnet means being disposed between said two sets of switches, each of said sets of switches including at least one reed switch with at least two reed contact conductors magnetically coupled each to a different one of said pair of magnetic material means, and each of said reed switches being unoperated when said permanent magnet means is short circuited, and operated by the total flux provided by said permanent magnet and electromagnet means when the flux provided by said electromagnet means opposes the shunting of the flux provided by said permanent magnet means.

Claim 6

In an electromagnetic reed relay adapted for low profile packaging, a combination comprising a pair of magnetic material means each spaced from the other, permanent magnet means magnetically coupled to said pair of magnetic material means and constantly providing flux in a predetermined direction, said permanent magnet means being a permanent magnet with its poles at its ends which are each magnetically coupled to a different one of said pair of magnetic material means, electromagnet means magnetically coupled to said pair of magnetic material means and short circuiting said permanent magnet means in the absence of flux opposing the shunting of the permanent magnet flux by the short circuit, said electromagnet means when energized providing flux in the same direction as said permanent magnet means and which is sufficient to oppose the shunting of the permanent magnet flux, said electromagnetic means comprising a pair of electromagnets each being disposed between said permanent magnet and a different one of said sets of switches, each of said electromagnets having coil means and a core of magnetic material with remanent characteristics extending through said coil means substantially parallel to said permanent magnet, said cores each being magnetically coupled at each end to a different one of said pair of magnetic material means, said coil means being adapted for energization thereby polarizing said cores and providing flux substantially parallel to and in the same direction as the flux provided by said permanent magnet, and for reverse energization thereby reversing their polarizing effect when said cores are providing remanent flux, magnetically operable switch means including at least one reed switch with at least two reed contact conductors magnetically coupled each to a different one of said pair of magnetic material means, each of said reed switches being unoperated when said permanent magnet means is short circuited, and operated by the total flux provided by said permanent magnet and electromagnet means when the flux provided by said electromagnet means opposes the shunting of the flux provided by said permanent magnet means, said electromagnetic means upon deenergization when said switches are operated providing a remanent flux sufficient to oppose the shunting of the permanent magnet flux and with the permanent magnet flux to magnetically latch said operated switches, and being adapted for reverse energization to at least sufficiently reduce the remanent flux and upon de-energization to short circuit the permanent magnet means and permit said switches to again become unoperated, said switch means having two sets of switches each including at least one of said reed switches and being disposed at a different end of said pair of magnetic material means, and said permanent magnet and electromagnet means being disposed between said two sets of switches.

Claim 7

In an electromagnetic reed relay adapted for low profile packaging, a combination comprising a pair of magnetic material means each spaced from the other, permanent magnet means magnetically coupled to said pair of magnetic material means and constantly providing flux in a predetermined direction, said permanent magnet means being a permanent magnet with its poles at its ends which are each magnetically coupled to a different one of said pair of magnetic material means, electromagnet means magnetically coupled to said pair of magnetic material means and short circuiting said permanent magnet means in the absence of flux opposing the shunting of the permanent magnet flux by the short circuit, said electromagnet means when energized providing flux in the same direction as said permanent magnet means and which is sufficient to oppose the shunting of the permanent magnet flux, said electromagnetic means comprising a pair of electromagnets each being disposed between said permanent magnet and a different one of said sets of switches, each of said electromagnets having coil means and a core of magnetic material with remanent characteristics extending through said coil means substantially parallel to said permanent magnet, said cores each being magnetically coupled at each end to a different one of said pair of magnetic material means, said coil means being adapted for energization thereby polarizing said cores and providing flux substantially parallel to and in the same direction as the flux provided by said permanent magnet, and for reverse energization thereby reversing their polarizing effect when said cores are providing remanent flux, magnetically operable switch means including at least one reed switch with at least two reed contact conductors magnetically coupled each to a different one of said pair of magnetic material means, each of said reed switches being unoperated when said permanent magnet means is short circuited, and operated by the total flux provided by said permanent magnet and electromagnet means when the flux provided by said electromagnet means opposes the shunting of the flux provided by said permanent magnet means, said electromagnetic means upon deenergization when said switches are operated providing a remanent flux sufficient to oppose the shunting of the permanent magnet flux and with the permanent magnet flux to magnetically latch said operated switches, and being adapted for reverse energization to at least sufficiently reduce the remanent flux and upon de-energization to short circuit the permanent magnet means and permit said switches to again become unoperated, said switch means having two sets of switches each including at least one of said reed switches and being disposed at a different end of said pair of magnetic material means, and said permanent magnet and electromagnet means being disposed between said two sets of switches.

Claim 8

In an electromagnetic reed relay adapted for low profile packaging, a combination comprising a pair of magnetic material means each spaced from the other, permanent magnet means magnetically coupled to said pair of magnetic material means and constantly providing flux in a predetermined direction, said permanent magnet means being a pair of permanent magnets each with its poles at its ends which are each magnetically coupled to a different one of said pair of magnetic material means, electromagnet means magnetically coupled to said pair of magnetic material means and short circuiting said permanent magnet means in the absence of flux opposing the shunting of the permanent magnet flux by the short circuit, said electromagnet means when energized providing flux in the same direction as said permanent magnet means and which is sufficient to oppose the shunting of the permanent magnet flux, said electromagnetic means being disposed between said pair of permanent magnets and comprising coil means and a core of mAgnetic material with remanent characteristics extending through said coil means substantially parallel to said permanent magnets, said core being magnetically coupled at each end to a different one of said pair of magnetic material means, said coil means being adapted for energization thereby polarizing said core and providing flux substantially parallel to and in the same direction as the flux provided by said permanent magnets, and for reverse energization thereby reversing its polarizing effect when said core is providing remanent flux, magnetically operable switch means including at least one reed switch with at least two reed contact conductors magnetically coupled each to a different one of said pair of magnetic material means, each of said reed switches being unoperated when said permanent magnet means is short circuited, and operated by the total flux provided by said permanent magnet and electromagnet means when the flux provided by said electromagnet means opposes the shunting of the flux provided by said permanent magnet means, said electromagnetic means upon deenergization when said switches are operated providing a remanent flux sufficient to oppose the shunting of the permanent magnet flux and with the permanent magnet flux to magnetically latch said operated switches, and being adapted for reverse energization to at least sufficiently reduce the remanent flux and upon de-energization to short circuit the permanent magnet means and permit said switches to again become unoperated, said switch means having two sets of switches each including at least one of said reed switches and being disposed at a different end of said pair of magnetic material means, and said permanent magnet and electromagnet means being disposed between said two sets of switches.

Claim 9

In an electromagnetic reed relay adapted for low profile packaging, a combination comprising a pair of magnetic material means each spaced from the other, permanent magnet means magnetically coupled to said pair of magnetic material means and constantly providing flux in a predetermined direction, said permanent magnet means being a pair of permanent magnets each with its poles at its ends which are each magnetically coupled to a different one of said pair of magnetic material means, electromagnet means magnetically coupled to said pair of magnetic material means and short circuiting said permanent magnet means in the absence of flux opposing the shunting of the permanent magnet flux by the short circuit, said electromagnet means when energized providing flux in the same direction as said permanent magnet means and which is sufficient to oppose the shunting of the permanent magnet flux, said electromagnetic means being disposed between said pair of permanent magnets and comprising coil means and a core of mAgnetic material with remanent characteristics extending through said coil means substantially parallel to said permanent magnets, said core being magnetically coupled at each end to a different one of said pair of magnetic material means, said coil means being adapted for energization thereby polarizing said core and providing flux substantially parallel to and in the same direction as the flux provided by said permanent magnets, and for reverse energization thereby reversing its polarizing effect when said core is providing remanent flux, magnetically operable switch means including at least one reed switch with at least two reed contact conductors magnetically coupled each to a different one of said pair of magnetic material means, each of said reed switches being unoperated when said permanent magnet means is short circuited, and operated by the total flux provided by said permanent magnet and electromagnet means when the flux provided by said electromagnet means opposes the shunting of the flux provided by said permanent magnet means, said electromagnetic means upon deenergization when said switches are operated providing a remanent flux sufficient to oppose the shunting of the permanent magnet flux and with the permanent magnet flux to magnetically latch said operated switches, and being adapted for reverse energization to at least sufficiently reduce the remanent flux and upon de-energization to short circuit the permanent magnet means and permit said switches to again become unoperated, said switch means having two sets of switches each including at least one of said reed switches and being disposed at a different end of said pair of magnetic material means, and said permanent magnet and electromagnet means being disposed between said two sets of switches.

Claim 10

In an electromagnetic reed relay adapted for low profile packaging, a combination comprising a pair of pole pieces of magnetic material each being parallel to and spaced from the other thereby forming a gap therebetween, at least one permanent magnet disposed across the gap and having its ends providing opposite poles magnetically coupled to said pole pieces and flux across the gap in a predetermined direction, at least one electromagnet disposed across the gap, and having coil means and a core of magnetic material extending through said coil means parallel to said permanent magnet and being magnetically coupled at its ends to said pole pieces, said permanent magnet, core and pole pieces providing a first flux path wherein said core shunts flux provided by said permanent magnet in the absence of flux opposing such shunting, said coil being adapted for energization thereby polarizing said core to provide flux across the gap in the same direction as and opposing the shunting of the permanent magnet flux, a plurality of magnetically operable reed switches disposed parallel to and spaced from each other across the gap and being unoperated when the permanent magnet flux is being shunted, each of said reed switches having at least two reed contact conductors each magnetically coupled to a different one of said pole pieces, said permanent magnet and said core providing with said pole pieces coupled to said switches a second flux path for permanent magnet and electromagnet flux to operate said switches when the shunting of the permanent magnet flux is opposed, said electromagnet being disposed adjacent one of said switch sets, and another electromagnet disposed between said spaced switch sets and adjacent the other of said switch sets, said permanent magnet being disposed between said two electromagnets, and said plurality of reed switches being disposed in two sets parallel to and spaced from said permanent magnet and electromagnets each at a different end of said pair of pole pieces, and with said pole pieces all being disposed in a single common plane.

Claim 11

In an electromagnetic reed relay adapted for low profile packaging, a combination comprising a pair of pole pieces of magnetic material each being parallel to and spaced from the other thereby forming a gap therebetween, at least one permanent magnet disposed across the gap and having its ends providing opposite poles magnetically coupled to said pole pieces and flux across the gap in a predetermined direction, at least one electromagnet disposed across the gap, and having coil means and a core of magnetic material extending through said coil means parallel to said permanent magnet and being magnetically coupled at its ends to said pole pieces, said permanent magnet, core and pole pieces providing a first flux path wherein said core shunts flux provided by said permanent magnet in the absence of flux opposing such shunting, said coil being adapted for energization thereby polarizing said core to provide flux across the gap in the same direction as and opposing the shunting of the permanent magnet flux, a plurality of magnetically operable reed switches disposed parallel to and spaced from each other across the gap and being unoperated when the permanent magnet flux is being shunted, each of said reed switches having at least two reed contact conductors each magnetically coupled to a different one of said pole pieces, said permanent magnet and said core providing with said pole pieces coupled to said switches a second flux path for permanent magnet and electromagnet flux to operate said switches when the shunting of the permanent magnet flux is opposed, said electromagnet being disposed adjacent one of said switch sets, and another electromagnet disposed between said spaced switch sets and adjacent the other of said switch sets, said permanent magnet being disposed between said two electromagnets, and said plurality of reed switches being disposed in two sets parallel to and spaced from said permanent magnet and electromagnets each at a different end of said pair of pole pieces, and with said pole pieces all being disposed in a single common plane.

Claim 12

The relay in accordance with claim 6, and said cores of Said two electromagnets having remanent characteristics and providing remanent flux blocking the shunting of the permanent magnet flux for magnetically latching said switches when said coil means of said two electromagnets are de-energized while said switches are operated, and said coil means of said two electromagnets being adapted for reverse energization for causing said latched switches to become unoperated.

Claim 13

In an electromagnetic reed relay adapted for low profile packaging, a combination comprising a pair of pole pieces of magnetic material each being parallel to and spaced from the other thereby forming a gap therebetween, at least one permanent magnet disposed across the gap and having its ends providing opposite poles magnetically coupled to said pole pieces and flux across the gap in a predetermined direction, at least one electromagnet disposed across the gap, and having coil means and a core of magnetic material extending through said coil means parallel to said permanent magnet and being magnetically coupled at its ends to said pole pieces, said permanent magnet, core and pole pieces providing a first flux path wherein said core shunts flux provided by said permanent magnet in the absence of flux opposing such shunting, said coil being adapted for energization thereby polarizing said core to provide flux across the gap in the same direction as and opposing the shunting of the permanent magnet flux, a plurality of magnetically operable reed switches disposed parallel to and spaced from each other across the gap and being unoperated when the permanent magnet flux is being shunted, each of said reed switches having at least two reed contact conductors each magnetically coupled to a different one of said pole pieces, said permanent magnet and said core providing with said pole pieces coupled to said switches a second flux path for permanent magnet and electromagnet flux to operate said switches when the shunting of the permanent magnet flux is opposed, said permanent magnet being disposed adjacent one of said switch sets and another permanent magnet disposed between said switch sets and adjacent the other of said switch sets, said electromagnet being disposed between said two permanent magnets, and said plurality of reed switches being disposed in two sets parallel to and spaced from said permanent magnets and electromagnet each at a different end of said pair of pole pieces, and with said pole pieces all being disposed in a single common plane.

Claim 14

In an electromagnetic reed relay adapted for low profile packaging, a combination comprising a pair of pole pieces of magnetic material each being parallel to and spaced from the other thereby forming a gap therebetween, at least one permanent magnet disposed across the gap and having its ends providing opposite poles magnetically coupled to said pole pieces and flux across the gap in a predetermined direction, at least one electromagnet disposed across the gap, and having coil means and a core of magnetic material extending through said coil means parallel to said permanent magnet and being magnetically coupled at its ends to said pole pieces, said permanent magnet, core and pole pieces providing a first flux path wherein said core shunts flux provided by said permanent magnet in the absence of flux opposing such shunting, said coil being adapted for energization thereby polarizing said core to provide flux across the gap in the same direction as and opposing the shunting of the permanent magnet flux, a plurality of magnetically operable reed switches disposed parallel to and spaced from each other across the gap and being unoperated when the permanent magnet flux is being shunted, each of said reed switches having at least two reed contact conductors each magnetically coupled to a different one of said pole pieces, said permanent magnet and said core providing with said pole pieces coupled to said switches a second flux path for permanent magnet and electromagnet flux to operate said switches when the shunting of the permanent magnet flux is opposed, said permanent magnet being disposed adjacent one of said switch sets and another permanent magnet disposed between said switch sets and adjacent the other of said switch sets, said electromagnet being disposed between said two permanent magnets, and said plurality of reed switches being disposed in two sets parallel to and spaced from said permanent magnets and electromagnet each at a different end of said pair of pole pieces, and with said pole pieces all being disposed in a single common plane.

Claim 15

The relay in accordance with claim 8, and said core having remanent characteristics and providing remanent flux blocking the shunting of the permanent magnet flux for magnetically latching said switches when said coil means is de-energized while said switches are operated, and said coil means being adapted for reverse energization for causing said latched switches to become unoperated.