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Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 5226037 | Line switching system In a network system in which a line switching unit and the other line switching unit are connected with each other via communication lines and backup lines, and nodes which are connected with both the line switching units, respectively are adapted to comm... | 07/06/1993 |
| 5222063 | Method and circuit arrangement for reducing the loss of message packets that are transmitted via a packet switching equipment For reducing the loss of message packets that are transmitted according to an asynchronous transfer mode during the course of virtual connections and which comprise a packet header identifying the respective virtual connection and that are respectively au... | 06/22/1993 |
| 5150355 | Relating exchanges An electronic cross connect frame for an exchange or a multiplexor therefor is provided in which an analogue access matrix is provided for providing a limited number of spare cards or different cards to which any of the lines may be switched to provide a ... | 09/22/1992 |
| 5146453 | Circuit configuration for clock-controlled time division multiplex telecommunications switching installations In a circuit configuration for clock-controlled time division multiplex telecommunications switching installations, including PCM telephone switching installations with central switching network and connected subswitching networks, line groups are connect... | 09/08/1992 |
| 5091904 | General signaling service unit of electronic switching system Universal signaling service unit for providing such signal that required to connection and progress of calling in time-division electronic switching system. The invention, in constitution that TSU, TSP, ASTU, ASIP, DTIU, DTIP, FIU, FIP, USTU, LSIP, IPCB, ... | 02/25/1992 |
| 5072440 | Self-routing switching system having dual self-routing switch module network structure A self-routing switching system connected between input highways and output highways, includes conversion modules, doubled SRM networks, output modules, and first and second selectors. Normally, one of the SRM networks is connected between the conversion ... | 12/10/1991 |
| 5014264 | Circuit configuration for telecommunication switching systems, in particular PCM time division multiplex telephone switching systems with a central switching network and peripheral sub-switching networks connected to it Line groups with doubled central switching network and connected via correspondingly two time division multiplex lines and having inter alia one sub-switching network and one group control system each are assigned to each other in pairs. The connection de... | 05/07/1991 |
| 5014261 | System for switching from working units to stand-by units A switching system for switching from a unit or units in a working state to a unit or units in a stand-by state in which the units in a stand-by state are provided as either individual stand-by units or as common stand-by units. An individual stand-by uni... | 05/07/1991 |
| 4964105 | Replacement switch A procedure for replacing an existing switch (62) with a greater-capacity replacement switch (12) in a communication system (10) is disclosed. The replacement switch (12) has redundant interconnect memories (40) that can store different interconnect maps.... | 10/16/1990 |
| 4952930 | Multipath hierarchical network A hierarchy of multipath networks selectively provides connections between a plurality of sources and a plurality of destinations in a communications system. The hierarchy comprises a first multipath network without buffering which consists of two or more... | 08/28/1990 |
| 4905220 | Circuit for a central control time division multiplex PCM telecommunications system A circuit for a central control TDM PCM telecommunications exchange with groups of terminals connected to a switching network is disclosed in which the terminal groups which are each connected to the duplicated switching network over TDM lines and which e... | 02/27/1990 |
| 4905222 | Circuit arrangement for centrally controlled time division multiplex telecommunication switching systems, particularly PCM-telephone switching systems with line trunk groups connected to a switching matrix Line trunk groups coupled to a double central switching matrix by way of two PCM lines and including sub-switching matrix and group control units are allocated to one another in pairs. Prepared for stand-by service switch-over by the central switching mat... | 02/27/1990 |
| 4873694 | Switching configuration for PCM time division multiplex telephone exchange having a central switching network and individual sub-switching networks A switching configuration for PCM TDM telecommunication exchange insallations, having a central switching network and individual sub-switching networks is provided. Line groups having duplicated central switching networks connected over two time division ... | 10/10/1989 |
| 4853957 | Telecommunication switching systems with a central switching and local sub-switching A circuit arrangement, with a doubled central switching matrix to which two line trunk groups having a sub-switching matrix each and a group control unit each, are allocated to each other in pairs via two PCM-lines. The line facilities which are individua... | 08/01/1989 |
| 4763316 | Circuit arrangement for centrally controlled time division multiplex telecommunication exchange facilities A circuit for a centrally controlled time division multiplex telecommunication exchange having PCM line/trunk groups connected to a switching network wherein each line/trunk group comprises a plurality of line units to connect one time division multiplex ... | 08/09/1988 |
| 4754454 | Synchronization circuitry for duplex digital span equipment This circuit facilitates the synchronization of two copies of digital control units. These digital control units control a number of digital spans. One copy of this circuit is active at any one particular time. This one copy drives all the remaining circu... | 06/28/1988 |
| 4740960 | Synchronization arrangement for time multiplexed data scanning circuitry Telecommunication switching systems are typically connected by high-speed digital data spans. These spans may commonly be T1 or T2 carriers using DS1 or DS2 data formats, respectively. These systems may contain duplex digital span control units. The prese... | 04/26/1988 |
| 4597079 | Redundant switchover system for TDMA satellite communication equipment In a redundant switchover system for a TDMA satellite communication system for relaying messages from earth station to earth station (A, B, C) via a communication satellite (SAT), an initially active terminal unit (1) for determines at an early stage that... | 06/24/1986 |
| 4543651 | Duplicated time division switching system A duplicated switching system including a number of communication units wherein each digital word transmitted by an originating communication unit is conveyed via both of the duplicate time-multiplexed switches in the system and a destination communicatio... | 09/24/1985 |
| 4536870 | PCM Switching network with surplus capacity A network for selectively switching channels from n incoming PCM links to as many outgoing PCM links comprises two sections of a receiving-side stage with n input terminals each, connected in parallel to respective incoming links, and with m output termin... | 08/20/1985 |
| 4535442 | Digital switching network for telecommunications exchange A number of methods are used in the prior art to provide speech sample security in a duplicated switch plane telecommunications switching system and these fall into three categories; (i) use the switching planes in a main/standby mode with errors detected... | 08/13/1985 |
| 4497054 | One-for-N redundancy in a digital switch matrix The redundant digital switch matrix system of the present invention includes a plurality of primary digital switch elements, and incorporates a standby digital switch which can be substituted for any one of the plurality of primary digital switch elements... | 01/29/1985 |
| 4485467 | Digital information switch matrix with on-line/off-line diagnostic features A time slot interchange switch matrix incorporates processor-controlled diagnostic functions to provide programmable on-line/off-line diagnostic monitoring. The switch matrix output can be tri-stated during program-selected time slots while remaining elec... | 11/27/1984 |
| 4455645 | Back-up control system implemented with a redundancy scheme for protection against failure A back-up control system of a redundancy configuration suited to be used for a time division switching network. The control system includes connecting paths extending from each of the load supply devices, the paths being classified into an active connecti... | 06/19/1984 |
| 4382294 | Telephone switching control arrangement A time division switching system which includes a central control, two time-multiplexed switching units each having a control distribution unit associated therewith and a plurality of interface modules each including a selected active control unit. Data w... | 05/03/1983 |
| 4354262 | Logic system for controlling a modular multiplex connection unit in a time-division switching exchange A control logic system comprising at least one sub-system including a master processor, two slave processors and an interchange memory which exchanges information between the master processor and the slave processors. The slave processors access a common ... | 10/12/1982 |
| 4228535 | Dual TDM switching apparatus Two identical and interconnected switch matrices are used wherein one is "on-line" and the other is "off-line". If an individual module in the on-line switch fails, an identical module in the standby matrix is switched in to carry traffic. The failed modu... | 10/14/1980 |
| 4213201 | Modular time division switching system The time-switch stages of a switching network are organized in identical multistage modules connected to peripheral modules by two-way time division digital multiplex links, and each containing a network message controller which connects to a central proc... | 07/15/1980 |
