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| Number | Title | Issue Date |
| 7140551 | HVAC controller An HVAC controller with a simplified and/or lower cost user interface. In one illustrative embodiment, the HVAC controller includes two switches, a movable member, and a plurality of detents. The detents are configured to cause the two switches to be switched in a s... | 11/28/2006 |
| 6195083 | Active joystick with optical positions sensor A joystick composed of a stator formed by an outer cage forming an inner cubic compartment containing an inner cube oriented with its wall spaced from and substantially parallel corresponding wall of the compartment. Opposed magnets are position in cooper... | 02/27/2001 |
| 5986356 | Connection device for switching electrical signals A connection device for switching electrical signals includes primary offtakes with multiple contacts with at least on pair of conductors carrying an incoming signal leading to each of these; a multiple incoming plug or point fitted with an equivalent num... | 11/16/1999 |
| 5960372 | Method of monitoring electrical wear on selector switch disconnectors in a high voltage station The present invention relates to a method of monitoring electrical wear on selector switch disconnectors in a bay of a high voltage station that includes a set of distribution busbars connected to at least three electrical circuits constituted by an inlet... | 09/28/1999 |
| 5939689 | Matrix-related switching arrangement including movable rods and balls The invention relates to a matrix switching device (1) having a plurality of contact devices positioned in selected crosspoints between rows and columns, with each contact device including at least one movable contact element (2a). The device further incl... | 08/17/1999 |
| 5920049 | Crosspoint matrix switch with ball actuating members for contact mechanisms The invention relates to a matrix switching device (1) having a plurality of contact devices positioned in selected crosspoints between rows and columns, with each contact device including at least one movable contact element (2a). The device further incl... | 07/06/1999 |
| 5886309 | Matrix switch board, connection pin, and method of fabricating them A matrix switch board used for connecting and disconnecting a switching-system line and a subscriber line. The matrix switch board includes a board made of an insulating material, and first and second wiring patterns respectively formed on front and back ... | 03/23/1999 |
| 5760551 | Automatic re-arrangement and distribution device for telecommunication and data lines An automatic rearrangement and distribution device for telecommunication and data lines with connection terminals for exchange office and subscriber lines and a remote controllable connection device having a gripping element. To automate a re-arrangement ... | 06/02/1998 |
| 5644115 | Relay matrix switching assembly A matrix of three pole, high speed, low current relays for connecting test equipment to a device under test is provided with improved interconnect buses. The relays are mounted in rows and columns with their three pairs of leads extending vertically. An i... | 07/01/1997 |
| 5576603 | Automatic distribution device for telecommunication and data lines An automatic distribution device for telecommunication and datalines, comprising connection terminals for exchange and subscriber cables and comprising a remotely controllable connection device with a grip element. In order to automate a distribution devi... | 11/19/1996 |
| 5544004 | Pin-board matrix switch In a pin-board matrix switch X- and Y-direction patterns are arranged in the X and Y directions to constitute a matrix. Crosspoint holes are formed at the crosspoints between the X- and Y-direction patterns. Each crosspoint hole has contacts formed therei... | 08/06/1996 |
| 5481073 | Modular broadband bidirectional programmable switch system with stacked modular switch arrangement The basic element of a modular, bidirectional broadband programmable switch system is a switch module having a thin rectangular housing with a single first connector preferably in the center of an elongated rear face and n second connectors equally spaced... | 01/02/1996 |
| 5457443 | Multifunctional combination switch A combination switch for performing various functions comprises a fixed substrate having an output contact assembly which has a common output contact and other output contacts which are electrically insulated from the common output contact. The switch als... | 10/10/1995 |
| 4954674 | Matrix crosspoint switching device A matrix crosspoint switching device makes, breaks, or switches contact between a plurality of first conductor pairs and a plurality of second conductor pairs. The device includes a connection block which includes a plurality of cavities containing crossp... | 09/04/1990 |
| 4692578 | Universal matrix switching device A universal matrix switching device used with an automatic test system under computer control for interfacing with a unit under test. The switching device providing high speed switching of conductor pins in a matrix board. The device using oppositely disp... | 09/08/1987 |
| 4618755 | Universal matrix switching device A universal matrix switching device is used with an automatic test system under computer control for interfacing with a unit under test to test system instrumentation. The switch has impedance matching with isolation between signal paths for high frequenc... | 10/21/1986 |
| 4463235 | Switch with several layers of crossing points A mechanical cross point switching matrix has orthogonally related vertical and horizontal conductive elements or wires. Plugs are rotatably mounted at each of the crosspoints. A conductive surface on the plugs electrically interconnects the multiples at ... | 07/31/1984 |
| 4421965 | Commutator with several layers of cross-points A multilayer cross point matrix switch is composed of orthigonally arranged first and second layers of spaced parallel conductors mounted on insulating guides having window arrays for placement of plugs to interconnect discrete first and second conductors... | 12/20/1983 |
| 4222675 | Low profile keyboard operator A low profile keyboard operating system in which a generally orthogonal matrix of mechanically movable row and column matrix members is disposed over the keyboard to be operated with the intersections of the matrix members adjacent to the keys, the arrang... | 09/16/1980 |
| 4075587 | Multicontact sealed electromagnetic coordinate selection device A multicontact sealed electromagnetic coordinate selection device comprises a movable contact type spring supported at both ends by supporters at a prescribed interval from a metal plate and electrically insulated from said metal plate, the movable contac... | 02/21/1978 |
| 4071728 | Crosspoint switch comprising bistable crosspoints A crosspoint switch comprising a number of selection bars and switching bars which cross each other at right angles and have recesses and guides for catching members. A catching member is moved by a particular selection bar and switching bar to actuate an... | 01/31/1978 |
| 4065652 | Contact assembly and mounting structure for cross bar selector switch Arrangement in a selector, especially in a crossbar selector, comprising a number of contact spring sets arranged parallel to each other in a contact frame, wherein the contact spring sets, when operated, make contact with a contact multiple common to the... | 12/27/1977 |
| 4019164 | Memory matrix A cross point switching matrix utilizing remanent reed switches includes an array of coil forms mounted on a magnetically permeable shunt plate. Electromagnetic coils are wound around the coil forms in alternating directions and one or more remanent reed ... | 04/19/1977 |
| 4000479 | Switching matrices with crossed bars for co-ordinate selection A cross bar switching matrix for electric conductors in two sets has a first array of strips of magnetic metal mounted parallel on an insulating support plate with laterally projecting tongues from each strip the ends lying freely on the support plate. A ... | 12/28/1976 |
| 3958091 | Snap-action electric switch, and contact blade structure therefor In a snap-action electric switch, and a contact blade structure therefor, the contact blade of the contact blade structure is constituted by an actuation portion of approximately hollow rectangular form having two spaced limbs, a web at one end of the con... | 05/18/1976 |
| 3953813 | Electromagnetic switch matrix device An electromagnetic matrix switch device, suitable for use in an automatic exchange or computer, comprising a two-dimensional array of cross-point elements, each of which comprises a magnetically actuated switch adapted to bridge its associated pair of row... | 04/27/1976 |
| 3936781 | Selecting device for crossbar switches Selecting device for crossbar switches of the type where selecting wires are actuated by selecting bars, which execute twisting movements by means of selecting bar magnets, for selection of predetermined contact groups. After selection, these contact grou... | 02/03/1976 |
