A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7203306 | Apparatus and method for providing switching at a telephone cross-connect A cost-effective technique for inserting a switching module into a line pair of a local telecommunications network is disclosed. In particular, the illustrative embodiment does not replace a punch-down block at a cross-connect, but rather inserts the switching modul... | 04/10/2007 |
| 6788782 | Method and apparatus for switching between multiple communication lines Disclosed is an apparatus and method for switching between two network lines, such as telephone subscriber lines. Households and offices are increasingly equipped with multiple network lines for voice and data communications. The line switching unit of the present i... | 09/07/2004 |
| 6038303 | Method and apparatus for remotely activating services in a telecommunications network A service and facility initiation device (10) includes a first relay matrix (12) and a second relay matrix (14) coupled by an initiation bus (16). The first relay matrix (12) includes relays (30) that provide service feeds to primary/redundant and seconda... | 03/14/2000 |
| 5912960 | Method and apparatus for remotely activating services in a telecommunications network A service and facility initiation device (10) includes a first relay matrix (12) and a second relay matrix (14) coupled by an initiation bus (16). The first relay matrix (12) includes relays (30) that provide service feeds to primary/redundant and seconda... | 06/15/1999 |
| 5832071 | Electronic patching system for telecommunications devices An electronic patching system includes a first plurality of ports connected to the terminations of a plurality of telephone and data lines from the utility central office, and a second plurality of ports wired to a plurality of telecommunications devices.... | 11/03/1998 |
| 5798580 | Contention free global interconnection Contention free switches, networks and global interconnection systems for routing messages from N input sources to M output destinations are disclosed.... | 08/25/1998 |
| 5500753 | Method and system for connecting an optical network unit with a plurality of user sites A method and system to connect an optical network unit with a plurality of user sites. The invention includes the steps of and circuitry for connecting a plurality of line circuits to a cross-connect matrix. The optical network unit contains both the line... | 03/19/1996 |
| 5457740 | Cross point mixer for a telephone set Disclosed is a cross point mixer including a cross point switch and a mixing circuit provided on the output side. The cross point switch includes n×m switches arranged in a matrix manner. Each of the switches corresponds to one of a plurality of n input ... | 10/10/1995 |
| 5455856 | Method and system for partially automating feeder and distribution cable cross-connects A partially automated cross-connect method and system for temporarily provisioning telephone services through the remote activation of a cross-connect between a feeder cable pair and a distribution cable using a bus pair. Permanent cross-connects are defe... | 10/03/1995 |
| 5425094 | Cross point switch with power failure mode A cross point switch mounted on a telephone-related device such as a telephone. When an alternate power source request signal is low, switches are controlled in response to external data. When the signal is high, a predetermined switch or switches are for... | 06/13/1995 |
| 5398239 | Crosspoint analog data selector A crosspoint analog data selector for coupling data received on a predetened number of input channel lines onto a predetermined lesser number of output channel lines. The crosspoint analog data selector includes a selector section and a control section. ... | 03/14/1995 |
| 5377182 | Non-blocking crossbar permutation engine with constant routing latency The invention is embodied in an N×N crossbar for routing packets from a set of N input ports to a set of N output ports, each packet having a header identifying one of the output ports as its destination, including a plurality of individual links which c... | 12/27/1994 |
| 5371786 | Electronic cross-connect system Disclosed is a cross-connect system, such as a feeder distribution interface for telecommunications. User and feeder wires are each coupled to two sides of the matrix in order to provide flexibility in the electrical path. The switches, which are of the d... | 12/06/1994 |
| 5198808 | Matrix switch apparatus with a diagnosis circuit having stand-by ports and reduced size matrix switching elements In a matrix switch apparatus with a diagnosis circuit, a switch unit is positioned between a group of input line interface circuits and a group of output line interface circuits. The switch unit includes front switches and back switches, respectively, equ... | 03/30/1993 |
| 4907253 | Cross-connected switch having means for removing switching modules without interrupting service The invention comprises an improved cross-connect switch constructed from a plurality of switch modules for connecting input lines to output lines. The improved switch includes a switch module replacement system that allows a craftsperson to replace a swi... | 03/06/1990 |
| 4833708 | Remote cable pair cross-connect system A telecommunications system includes at least one central office having an electronic supervisor for supervising a plurality of outside plant electronic cross-connect cabinets and a plurality of electronic cross-connect cabinets located remotely from the ... | 05/23/1989 |
| 4750202 | Non-blocking concentrator The present invention provides a single stage crossbar and a controller for controlling the crossbar that provides a capacity for "wide-sense non-blocking" connection of input signals to outputs that exceeds the number of outputs to which a given input is... | 06/07/1988 |
| 4437096 | Concentrator circuit incorporating solid state bilateral bridge arrangement A bilateral, low loss, wide band, concentrator circuit selectively controls the transfer of a signal between one of a plurality of first terminals and a single, second terminal. The balance points of each of a plurality of bilateral current gates connect ... | 03/13/1984 |
| 3980834 | Multi-stage connection switch frame A multi-stage connection switch frame comprising crossbar switch lattices arrayed in at least three stages which are interconnected through links. Two adjacent stages of the multi-stage connection switch frame comprise a plurality of vertical groups each ... | 09/14/1976 |