A floor selector for an elevator car

Claim 2

In a floor selector for an elevator car comprising tracing means mounted for up and down movement for indicating the relative position of said elevator car, drive means for moving said tracing means in correlation to said elevator car but at a reduced speed, preceding means mounted for up and down movement on said tracing means for indicating a called floor at which said elevator car is to stop, further drive means mounted on said tracing means for moving said preceding means at a higher speed than said tracing means to a position corresponding to said called floor, and control means responsive to the positions of said tracing means and said preceding means for controlling the speed of movement of said elevator, the improvement comprising first and second position detector means, each having respective non-contact movable and stationary detecting means for detecting the positions of said tracing means and said preceding means, wherein the outputs of said position detectors are applied to said control means in control thereof, and wherein said noncontact movable and stationary detecting elements comprise electrical oscillator elements provided on said tracing means and said preceding means, and electrical receiver elements provided at positions corresponding to respective floors in alignment with said oscillator elements, whereby outputs from the position detectors are produced when an oscillator element faces a corresponding receiver element.

Claim 3

The combination defined in claim 1, wherein two oscillator elements are provided on said preceding means, one oscillator element being energized during upward movement and the other oscillator element being energized during downward movement.

Claim 4

In a floor selector for an elevator car comprising tracing means mounted for up and down movement for indicating the relative position of said elevator car, drive means for moving said tracing means in correlation to said elevator car but at a reduced speed, preceding means mounted for up and down movement on said tracing means for indicating a called floor at which said elevator car is to stop, further drive means mounted on said tracing means for moving said preceding means at a higher speed than said tracing means to a position corresponding to said called floor, and control means responsive to the positions of said tracing means and said preceding means for controlling the speed of movement of said elevator, the improvement comprising first and second position detector means, each having respective non-contact movable and stationary detecting elements for detecting the positions of said tracing means and said preceding means, wherein the outputs of said position detectors are applied to said control means in control thereof, and further comprising zone detector means for detecting the number of floors passed by said preceding means from start to stop in responding to a call including a zone detector mounted on said preceding means and a fixed element provided at positions corresponding to respective floors, said zone detector producing an output signal each time it faces one of said fixed elements, said output signal being applied to said control means.

Claim 5

In a floor selector for an elevator car comprising tracing means mounted for up and down movement for indicating the relative position of said elevator car, drive means for moving said tracing means in correlation to said elevator car but at a reduced speed, preceding means mounted for up and down movement on said tracing means for indicating a called floor at which said elevator car is to stop, further drive means mounted on said tracing means for moving said preceding means at a higher speed than said tracing means to a position corresponding to said called floor, and control means responsive to the positions of said tracing means and said preceding means for controlling the speed of movement of said elevator, the improvement comprising first and second position detector means, each having respective non-contact movable and stationary detecting elements for detecting the positions of said tracing means and said preceding means, wherein the outputs of said position detectors are applied to said control means in control thereof, and further comprising zone detector means for detecting the number of floors passed by said preceding means from start to stop in responding to a call including a zone detector mounted on said preceding means and a fixed element provided at positions corresponding to respective floors, said zone detector producing an output signal each time it faces one of said fixed elements, said output signal being applied to said control means.

Claim 6

The combination defined in claim 3, wherein said non-contact movable and stationary detecting elements comprise electrical oscillator elements provided on said tracing means and said preceding means, and electrical receiver elements provided at positions corresponding to respective floors in alignment with said oscillator elements, whereby outputs from the position detectors are produced when an oscillator element faces a corresponding receiver element.

Claim 7

The combination defined in claim 4, wherein two oscillator elements are provided on said preceding means, one oscillator element being energized during upward movement and the other oscillator element being energized during downward movement.

Claim 8

In a floor selector for an elevator car comprising tracing means mounted for up and down movement for indicating the relative position of said elevator car, drive means for moving said tracing means in correlation to said elevator car but at a reduced speed, preceding means mounted for up and down movement on said tracing means for indicating a called floor at which said elevator car is to stop, further drive means mounted on said tracing means for moving said preceding means at a higher speed than said tracing means to a position corresponding to said called floor, and control means responsive to the positions of said tracing means and said preceding means for controlling the speed of movement of said elevator, the improvement comprising first and second position detector means, each having respective non-contact movable and stationary detecting elements for detecting the positions of said tracing means and said preceding means, wherein the outputs of said position detectors are applied to said control means in control thereof, and further including relative position detector means mounted on said tracing means and said preceding means for detecting the relative distance in floors therebetween, said relative position detector means being connected to said control means for effecting controlled deceleration of said elevator car in dependence on said relative distance between said tracing means and said preceding means, wherein said relative position detector means includes an electrical oscillator element mounted on said preceding means and a plurality of electrical receiver elements mounted at fixed positions on said tracing means representing respective floors, said receiver elements producing a signal each time said oscillator element passes adjacent thereto.

Claim 9

In a floor selector for an elevator car comprising tracing means mounted for up and down movement for indicating the relative position of said elevator car, drive means for moving said tracing means in correlation to said elevator car but at a reduced speed, preceding means mounted for up and down movement on said tracing means for indicating a called floor at which said elevator car is to stop, further drive means mounted on said tracing means for moving said preceding means at a higher speed than said tracing means to a position corresponding to said called floor, and control means responsive to the positions of said tracing means and said preceding means for controlling the speed of movement of said elevator, the improvement comprising first and second position detector means, each having respective non-contact movable and stationary detecting elements for detecting the positions of said tracing means and said preceding means, wherein the outputs of said position detectors are applied to said control means in control thereof, and further including relative position detector means mounted on said tracing means and said preceding means for detecting the relative distance in floors therebetween, said relative position detector means being connected to said control means for effecting controlled deceleration of said elevator car in dependence on said relative distance between said tracing means and said preceding means, wherein said relative position detector means includes an electrical oscillator element mounted on said preceding means and a plurality of electrical receiver elements mounted at fixed positions on said tracing means representing respective floors, said receiver elements producing a signal each time said oscillator element passes adjacent thereto.

Claim 10

The combination defined in claim 6, further comprising zone detector means for detecting the number of floors passed by said preceding means from start to stop in responding to a call including a zone detector mounted on said preceding means and a fixed element provided at positions corresponding to respective floors, said zone detector producing an output signal each time it faces one of said fixed elements, said output signal being applied to said control means.

Claim 11

The combination defined in claim 7, wherein said control means includes speed control means responsive to said zone detector means for increasing the speed of said elevator car as each floor is detected in steps up to a maximum speed and responsive to said relative position detector means and the stopping of said preceding means at a called floor for decreasinG the speed of said elevator car in corresponding steps as each floor is passed.

Claim 12

The combination defined in claim 8, wherein each of said oscillator elements and receiver elements are in the form of molded solid state devices.

Claim 13

In a floor selector for an elevator car comprising tracing means mounted for up and down movement for indicating the relative position of said elevator car, drive means for moving said tracing means in correlation to said elevator car but at a reduced speed, preceding means mounted for up and down movement on said tracing means for indicating a called floor at which said elevator car is to stop, further drive means mounted on said tracing means for moving said preceding means at a higher speed than said tracing means to a position corresponding to said called floor, and control means responsive to the positions of said tracing means and said preceding means for controlling the speed of movement of said elevator, the improvement comprising first and second position detector means, each having respective non-contact movable and stationary detecting elements for detecting the positions of said tracing means and said preceding means, wherein the outputs of said position detectors are applied to said control means in control thereof, and wherein at least one of said position detectors includes a pair of movable devices provided on one of said tracing means and said preceding means, and two rows of fixed devices provided in pairs at positions corresponding to the respective floors, said fixed devices being adjustable as to position in the direction of arrangement of the floors, said pairs of fixed devices including means for producing an output signal to be applied to said control means each time a movable device passes adjacent thereto.

Claim 14

In a floor selector for an elevator car comprising tracing means mounted for up and down movement for indicating the relative position of said elevator car, drive means for moving said tracing means in correlation to said elevator car but at a reduced speed, preceding means mounted for up and down movement on said tracing means for indicating a called floor at which said elevator car is to stop, further drive means mounted on said tracing means for moving said preceding means at a higher speed than said tracing means to a position corresponding to said called floor, and control means responsive to the positions of said tracing means and said preceding means for controlling the speed of movement of said elevator, the improvement comprising first and second position detector means, each having respective non-contact movable and stationary detecting elements for detecting the positions of said tracing means and said preceding means, wherein the outputs of said position detectors are applied to said control means in control thereof, and wherein at least one of said position detectors includes a pair of movable devices provided on one of said tracing means and said preceding means, and two rows of fixed devices provided in pairs at positions corresponding to the respective floors, said fixed devices being adjustable as to position in the direction of arrangement of the floors, said pairs of fixed devices including means for producing an output signal to be applied to said control means each time a movable device passes adjacent thereto.