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Patent No. 5356330

Apparatus for Simulating a High Five

A self-righting hand-arm configuration which is adapted to pivot when struck by a user, thereby simulating a "high five."

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Class 370/242 - Fault detection


Subclass of Class 370 - Multiplex communications
Definition: Subject matter under subclasses 241 wherein the multiplex
No. of patents: 1074
Last issue date: 05/29/2012


                    27  
NumberTitleIssue Date
4910728Multiplexer diagnostic input patterns
Binary logic states (ONE, ZERO) are presented to the data inputs (24) of a multiplexer in a pattern characterized by a reversal of the binary logic states at input boundaries defined numerically as radix two raised to successive integer exponents. After s...
03/20/1990
4890224Method and apparatus for fault tolerant communication within a computing system
A method and apparatus for fault tolerant communication among a plurality of I/O controllers and a communication controller using an I/O bus having byte-parallel and bit-serial data lines. Each controller is connected to the bit-serial and byte-parallel d...
12/26/1989
4882730TDMA communication system having common time slots for system maintenance
A deman assignment TDMA communication system includes first and second time division multiplexed (TDM) transmitting channels for establishing a broadcast channel from the central station to the terminal stations and a pair of first and second TDM receivin...
11/21/1989
4881230Expert system for processing errors in a multiplex communications system
A method and apparatus for detecting and analyzing errors in a communications system is described. The method employs expert system techniques to isolate failures to specific field replaceable units and provide detailed messages to guide an operator to a ...
11/14/1989
4860284Method and apparatus for identifying location of a lost token signal in a data communication network
Apparatus and method for identifying the location of a lost token signal continuously transmitted on transmission paths interconnecting nodes of a network to sequentially enable the nodes to write data onto the network. The arrival of the token signal at ...
08/22/1989
4860280Apparatus and method for a secure and diagnosable antijabber communication circuit
In order to prevent `jabber`, the uncontrolled transmission of messages on a communication channel, an antijabber timing unit is frequently used to determine whether a message on the communication channel exceeds the maximum permitted length of time. The ...
08/22/1989
4845711Multiplexing and demultiplexing method and equipments measuring transmission quality and locating operation faults on multiplexed digital channels
A predetermined characteristic of each of incoming plesiochronous component signals in a time-division multiplexing equipment is derived at each stuffing time for transmission in the form of a stuffing bit in a respective stuffed signal to be multiplexed ...
07/04/1989
4811015Abnormal data transmission detection circuit for time-division multiplex transmission network system
A circuit for detecting an abnormal transmission state on a signal transmission line, the abnormal state being such that a short-circuit or open-circuiting occurs in the signal transmission line, applicable to a time-division multiplex transmission networ...
03/07/1989
4759009Remote digital carrier alarm and terminal by-pass system
A T1 digital carrier system having a master terminal and four serially coupled remote terminals. Each remote terminal has a by-pass switch for automatically by-passing that remote terminal should a service threatening condition exist therein, thereby main...
07/19/1988
4750175Network diagnostic apparatus and method
A system for testing a data processing network and diagnosing malfunctions therein is disclosed. It is assumed that the data processing network includes a plurality of processing units coupled by communication paths in which each processing unit communica...
06/07/1988
4715058Protective circuit for the overvoltage protection of a subscriber line interconnect circuit
A protective circuit for the electronic interface circuit (SLIC) as well as the electronic switches for test access is described, in which a first threshold setting element for each conductor of the core pair is connected between the line side and a test ...
12/22/1987
4710919Multiplex system for automatic meter reading
A remote meter reading system employing a plurality of multiplexers coupled between the telephone central office and remote interrogatable utility data sources. A number of lines are connected to a single data channel through a plurality of multiplexers. ...
12/01/1987
4663754Remote control system for data communication utilizing modems
A remote control system for data communication includes a local modem as an initiating modem and a remote modem as a responding modem coupled by an analog duplexed channel, and a pair of intermediate modems coupled by a digital duplexed channel, inserted ...
05/05/1987
4654890Multiplex communication system
A multiplex communication system comprises a central control unit, a plurality of local control units, an optical loop transmission path interconnecting the central control unit and the plurality of local control units by optical fibers in a loop-like con...
03/31/1987
4597072Method and apparatus for the examination of the internal interconnection system between n terminals of an electrical network
A method for the examination of an internal interconnection system between n terminals of an electrical network and for storing the results in a memory comprising n memory cells by means of measuring the existence or non-existence of the signal passage be...
06/24/1986
4567587Multiplex equipment monitoring apparatus
Monitoring or error checking equipment for use with multiplexing circuitry at the transmission end of a communication line is disclosed which accomplishes a large reduction in circuitry by using transmitter generated low speed timing signals and clock sig...
01/28/1986
4567595Multiline error detection circuit
A communication method and digital multi-customer data interface for interconnecting a number of customer terminals to a main packet switching network of a local area data transport system that provides data communication services such as interactive vide...
01/28/1986
4547633Method of and circuit for locating faults in a digital telecommunication subscriber termination
For locating faults in digital telecommunication subscriber terminations various test loops (A, B, C) are closed and checked by signals transmitted via the exchange (16). When a fault is proved to exist in the so-called C-loop, it cannot be detected wheth...
10/15/1985
4471480Programmable controller for a TDM digital multiplexer-demultiplexer combination
A common controller in the form of a programmed digital sequencer executes a series of instructions to control multiplexing-demultiplexing overhead channel format generation, frame synchronization stuff-destuff operation and automatic channel assignment i...
09/11/1984
4423506Wire data transmission system
In a wire data transmission system which transmits data from a master station to a number of slave stations or vice versa through a pair of signal wires connected in parallel with each other, only the master station need be provided with a data transmissi...
12/27/1983
4393492Digital subscriber carrier system including drop terminals and bypass and loopback means and alarm indication means
A multi-channel digital subscriber carrier system for serving a multiplicity of subscribers one or more of whom may be located at points between the central office and the subscriber (furthest remote) terminal. One or more drop terminals are provided to s...
07/12/1983
4383312Multiplex system tester
An apparatus for testing a data multiplex transmission system by providing simulated source and sink of data for the multiplex transmission system that is compatible with the multiplex system and complies with the protocol of the Input/Output modules of t...
05/10/1983
4376999Muldem with monitor testing on-line and off-line paths
A muldem (100) has a monitor (101) for testing data path failures through the muldem (100) by comparing the latter's input and output. The muldem (100) has normally on-line data paths (103, 104) therethrough, and includes normally off-line standby data pr...
03/15/1983
4376998Muldem with monitor comparing means which accepts different data rates
A muldem (100) includes a transmit multiplexer section (103, 104) combining a variety of low speed and intermediate speed digital data inputs into a single high speed data output. A monitor (101) is provided for testing data path failures through the muld...
03/15/1983
4347600Monitored muldem with self test of the monitor
A muldem (100) has a monitor (101) for testing data path failures through the muldem (100) by comparing the latter's input and output. The monitor (101) tests itself by injecting errors into one of the compared data streams for detection thereof if the mo...
08/31/1982
4330885Protected muldem with improved monitoring system and error detection
A muldem (100) has a monitor (101) for testing data path failures through the muldem (100) by comparing the latter's input and output. The monitor (101) includes comparing means (806, FIGS. 13a and b) with a data comparator (880, FIGS. 13b and 17) for bit...
05/18/1982
4266292Method and apparatus for testing analog-to-digital and digital-to-analog code converters
An apparatus and method for testing for faults in an analog-to-digital (A/D) section and a digital-to-analog (D/A) section of a code converter in a digital time division, multiplex telecommunications system are disclosed. The A/D section is tested by conn...
05/05/1981
4260859Method and apparatus for detecting transmission system failures in a communications network
The failure of an interoffice carrier transmission system is detected by monitoring the signaling irregularities on the trunks served by the system. When at least two trunks fail to return a "start-dial" signal from the terminating office, all trunks are ...
04/07/1981
4208552Malfunction-detecting equipment for real-time supervision of central-office circuits in telecommunication system
Sensors SE and actuators AT electrically linked to groups of circuit components to be monitored, e.g. in a central office of a telephone system, are connected to a preprocessor, interfacing them with a microprocessor, which detects an incoming request sig...
06/17/1980
4172963Checker and automatic synchronizer for coding equipment
1. A system comprising a pair of stations having two parallel communication links therebetween, means for transmitting coded data signals of varying levels between the stations in opposite directions over said links and a receiver for said signals, each s...
10/30/1979
4152543Installation for time multiplexing and transmitting telephone signals or data between a plurality of subscribers
An installation for transmitting telephone signals or data with time multiplexing for a plurality of subscriber sets divided into a number of groups. At least one pair of multiplexing gates actuated in synchronism are employed for each group, one for tran...
05/01/1979
4096354Apparatus for distinguishing between failures in a digital transmission network
At a channel bank, such as a D-type channel bank used in the Bell System, a steady visual alarm is exhibited if the source of a detected failure is at a location either within the channel bank or in the digital hierarchy of a digital transmission network....
06/20/1978
4071700Testing apparatus
Apparatus for testing the operability of a signal translation means which passes signal information containing a definable and repeatable characteristic such as a synchronization signal through the use of a spare similar device and a demodulating device w...
01/31/1978
3996423Common control failure alarm apparatus
A local alarm circuit and a remote alarm circuit carry out a plurality of failure monitoring and alarming functions for each of a plurality of digital groups (digroups), of time division multiplexed channels that are time multiplexed together on to a comm...
12/07/1976
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