EP1238351A1 - Order centric tracking system and protocol for communications with handheld trading units - Google Patents
Order centric tracking system and protocol for communications with handheld trading unitsInfo
- Publication number
- EP1238351A1 EP1238351A1 EP00968701A EP00968701A EP1238351A1 EP 1238351 A1 EP1238351 A1 EP 1238351A1 EP 00968701 A EP00968701 A EP 00968701A EP 00968701 A EP00968701 A EP 00968701A EP 1238351 A1 EP1238351 A1 EP 1238351A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- order
- message
- handheld
- broker
- execution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
Definitions
- the present invention is directed to a method and system for allocating, tracking and reporting orders and trades executed in the context of an exchange setting, such as the New York Stock Exchange (NYSE), which method and system supports the use of wireless handheld trading devices used by floor brokers on the exchange floor.
- the present invention is further directed to a specialized communications language and protocol for communications between the handheld devices and the trading system.
- An auction market such as a stock exchange
- buyers and sellers congregate on an exchange floor and announce their respective bid prices (offer to buy) and ask prices (price acceptable to sell).
- bid prices offer to buy
- ask prices price acceptable to sell
- a specialist calls out the best bid and ask prices received from the various brokers, ensures that trades are posted, facilitate trades, and acts to ensure liquidity.
- a floor broker roams the exchange floor and acts as an agent to transact orders on behalf of investors (buyers and sellers).
- a typical transaction originates when an order is placed with an off-the-floor trading desk to buy or sell a particular security.
- the trading desk conveys the order to an exchange clerk who notes the parameters of the order, including whether the order is a buy or sell order, the symbol of the security, the quantity, the price, any special conditions associated with the order, and the time that the order is placed.
- Clerks operate from various booths maintained on or near the trading floor by the trading and brokerage establishments. After appropriate processing, the clerk delivers the order to a floor broker for execution.
- orders are transcribed onto order slips that are physically delivered to floor brokers by pages or runners.
- a floor broker executes an order, notes the executed order on a slip of paper, and subsequently returns the notated slip of paper to the clerk via a runner.
- a broker In addition to buy and sell orders, investors may request a "look" from the floor of the exchange.
- a broker notes his or her observations with respect to what is happening in the market for a particular security.
- the "look” information noted by the broker may vary depending on the particular broker and what he has observed.
- "look" information may include recent buyer and seller identities, trade sizes and prices, appraisal of market interest, a broker's opinion and any other information that a broker may wish to provide.
- an order will be entered into a computerized order processing system of a trading establishment. For example, these orders can be entered by a trader 120 at a listed desk. The order is then routed to an order management system for exchange listed securities. The order is displayed via an order management system application in the trading booth that handles orders for the given security. An order ticket is then automatically printed in the appropriate booth. After the order prints, a clerk takes the ticket and prepares it for handoff, pages a broker, and acknowledges the order in the order management system. The broker, upon being paged, must return to the booth to get the machine-printed ticket and may briefly discusses any special handling instructions with the clerk.
- the broker may telephone the booth to get necessary information and write it on a piece of paper.
- a broker must also update running totals representing how many shares of a particular security to buy or sell, incorporating both pending and new orders.
- the broker After the broker executes a trade for all or part of the various orders, the broker must convey some or all of the details of the trade to the booth.
- the broker can convey the information over the phone or write the information on a piece of paper and walk it back to the booth.
- the broker can send the paper to the booth via an exchange runner.
- a floor broker must often interrupt their trading by returning to the booth or telephoning the clerk. This introduces inefficiencies into the trading system and can also result in situations where a broker may be absent during a trading situation which would be particularly advantageous to the broker ' s clients.
- a clerk typically records the verbal execution in an online management system and performs an allocation of a portion of the bought or sold shares of a security among a variety of orders. Contra breakdowns tracking what was traded with whom eventually arrive in the booth on a piece of paper if they were not attached to the verbal communication. This information is generally penned by the broker or by a specialist. The clerk files the contra breakdowns in a special location, to be picked up by a firm runner. The contra breakdowns are then taken to a bank of firm typists located near the exchange floor. The typists enter the information into a firm trading system. Generally, the contra information should be entered within an hour after a trade took place. The typists file the paper containing the verbal and written information.
- This paper is kept on hand for several days and is then archived.
- the entered information is both used by the trading firm's systems and the exchange's order reconciliation system (OCS). It would be useful to have a system capable of achieving greater order processing efficiency. Orders need to be routed more quickly to brokers operating on the floor of the exchange, thereby leading to more timely customer service. In addition it would be useful to capture some of the order information digitally at the point of sale, whereby costly transcription errors can be reduced. It would be of further use if the order and look information could be directly communicated to the floor brokers by means of a wireless handheld communication device, thus eliminating the need for brokers and/or runners to continually interrupt trading to visit or call booth clerks. In such a wireless system, it would be particularly advantageous if a customized communication protocol were used to communication with the handheld device, which protocol supported all required data communication types in a format which both simplified parsing and processing of transmitted messages and also reduced required messaging bandwidth.
- the above and various other deficiencies in the conventional manual trading system, are addressed by the present order centric method and system for tracking orders implemented on a trading floor exchange.
- the system is configured to automatically route orders to an appropriate booth and a floor broker, via a wireless handheld device, according to a symbol associated with the particular security being traded.
- a set of symbols are allocated for particular securities and various members of that set are assigned to a specified booths and floor broker IDs.
- An order is entered into a computer and associated with a specified security symbol.
- the order is transmitted to a computer server.
- the order is routed through the server to a computerized booth station associated with the booth to which the order symbol had been allocated.
- the order is routed through the server to a handheld-device logged into the system and registered with the floor broker ID to which the symbol associated with the order has been allocated.
- a record of an action relating to the order can be sent to the server and logged into a memory at the server.
- the record can also be routed through the server to the booth station associated with the booth to which the order symbol had been allocated.
- multiple booths are utilized with a unique set of symbols allocated to each booth station.
- the set of symbols allocated to a floor broker ID is a unique subset of the set of symbols associated with a booth.
- a heartbeat signal from the handheld device to the server within a predetermined time period.
- any communication between the handheld device and the server suffices as a heartbeat.
- a floor broker can be automatically logged off of the server in the event the server does not receive a predetermined number of heartbeats.
- the predetermined number of missed heartbeats can be two.
- an order is for shares of a security stock described by a symbol and the system calculates an aggregate number of shares of stock for standing orders relating to a particular symbol. Additionally, the system can calculate an aggregate of pending orders that meet a threshold price.
- the orders can include buy orders or sell orders.
- This invention can also include a computerized system for processing an order in a trading exchange.
- the system can include a computerized booth station and a handheld computing device linked by a computer server.
- Software operative with the computer server can route an order to a particular booth station according to a security symbol associated with the order.
- it can route the order to a particular handheld computing device according to the security symbol associated with the order.
- the computerized system can be linked to a computerized order management system and a computerized recording station.
- Various communication protocols can be used to communicate with the handheld devices.
- messages are encapsulated in accordance with a specialized extensible markup language based protocol which has been designed to allow easy formatting processing of the various message and data types which are passed to and from the floor brokers.
- the syntax for the messaging protocol is implemented as an XML document type definition which is can be maintained on one or both of the handheld devices and the server.
- the protocol includes op-codes to support both look and order processing functionality.
- specialized functionality not easily achieved using conventional techniques is also supported.
- Such functionality includes easily communicating to a broker the last sale price of a set of securities at a given time, such as the set of securities for which the broker has outstanding orders, and immediately recalling an order previously sent to a broker via a handheld device if it is discovered that the order has become corrupted or otherwise should not be completed.
- FIG. 1 is an illustration of the high-level architecture of one embodiment of an order centric tracking system
- FIG. 2 is a flow diagram illustrating order processing steps
- FIG. 3 is a flow diagram of a heartbeat synchronization process
- FIG. 4 illustrates a flow of an allocation of traded shares
- FIG. 5 is an alternative representation of the architecture of an order centric tracking system according to the invention
- FIG. 6 is a diagram illustrating messaging flow between a handheld device, a server, and other elements of a trading network for sample look and order requests;
- FIGS. 7-20 are example trading-related messages formatted according to a preferred messaging protocol.
- FIG. 1 there is shown illustration of the high-level architecture of one embodiment of a networked computer system 100 for tracking an order executed on an exchange floor.
- a trader 120 can initiate an order to be executed on the floor of an exchange.
- the order is entered into an online management system 130.
- the online management system 130 can transmit the order to a Handheld Server (HHS) 113 and to one or more computerized booth stations 161-163.
- the HHS 113 can transmit the order to an appropriate handheld computing device (HHD) 114-116.
- the order centric trading system 100 includes a network connecting the computerized Handheld Server 113 and handheld computing devices 114-116.
- the system can also include computerized booth stations 161-163, computerized trader stations 166, computerized recording stations 150, computerized customer stations 140 and a computerized online management system 130.
- Each of the computerized devices 114-116 130 140 150 161-166 can include a processor, memory, a user input device, such as a keyboard and/or mouse, and a user output device, such as a video display and/or printer.
- the computerized devices 114-116 130 140 150 161-166 can communicate with each other to exchange data. Interactions with the Handheld server 150 and the online management system 130 can proceed as if each was a single entity in the network 100.
- the HHS 113 and the online management system 130 may include multiple processing and database sub-systems, such as cooperative or redundant processing and/or database servers 164-165, that can be geographically dispersed throughout the network 100.
- a local server 164-165 may be a proxy server or a caching server.
- the HHS 113 may also include one or more databases 145 storing order related information. Appropriate hardware and software which can be used with suitable modifications as appropriate to implement various aspects of this network as described herein will be known to those of skill in the art.
- a trader, customer or other person with access to the Order Management System 130 initiates a trade by entering an order 210 into a network access device such as, for example, a computer.
- the Order Management System 130 processes the order by logging the order as appropriate and associating it with a broker ID and a booth according to the symbol of the security involved in the order.
- the Order Management System 130 then transmits the order to a booth station 212 and also acts to transmit the order to the Handheld server 213, for example, after the order has been processed by the booth clerk.
- the handheld server in turn transmits the order to a handheld computing device onto which a Broker ID associated with the security symbol is logged.
- Each order that arrives at the handheld 114-116 can be accepted or rejected by the broker. If an order is rejected, it can appear in a "ghosted" state until explicitly dismissed by the broker.
- Brokers can enter executions according to orders received into the handheld computing device 114-116. The information relating to the orders is transmitted to an online management system for exchange-listed securities.
- the broker can interface with the handheld devices by, e.g., clicking "buttons" and other user interface devices displayed on the screen of the handheld computing device 114-116, to record the symbol, side, price, and quantity of an execution. Contra breakdowns and other relevant information, such as an "as of time can also be captured on a handheld computing device 114-116.
- Such information can then be forwarded automatically, or on request, from the handheld device to the trading system.
- Trading firm personnel such as booth clerks, can perform allocations of the executions using an online management system.
- the handheld computing device 114-116 can receive updated leaves based on the clerk's allocation.
- a typist at a recording station 150 can enter written information using the broker's digital records.
- a preferred implementation of user interface for a such a handheld trading device is disclosed in co-pending U.S. Patent Application Serial No. 09/413,150, entitled “HANDHELD TRADING SYSTEM INTERFACE", filed on October 6, 2000, the entire contents of which is expressly incorporated by reference.
- the handheld computing device 114-116 used on an exchange floor is capable of TCP/IP communication over a wireless network 119.
- the wireless network is typically supported by the trading exchange.
- the handheld computing devices 114-116 can also establish a direct TCP/IP socket connection to a handheld server 1 13 and not be required to use exchange middleware wireless networks 119.
- Various communication schemes can be used to pass data between the trading system and the handheld devices.
- a particularly preferred interface protocol implemented as an XML layer over the TCP/IP socket is discussed in detail below.
- a broker can execute trades in accordance with outstanding orders that have been transmitted to the handheld computing device 114-1 16.
- the order centric system keeps a broker aware of how many shares to buy and sell of a particular security and at what price levels are acceptable.
- the handheld device 114-116 can be used to assist a broker in this task by maintaining a list of outstanding orders and aggregating the leaves of like orders.
- the handheld device is configured to permit the broker to record executions on the device 114- 116.
- order processing functionality can include execution information captured semantically, such as the symbol, side, quantity and price relating to the trade. Information including contra information, time of day, special instructions, and almost any other information relating to an order can also be recorded via the handheld computing device 114-116.
- a history log can be provided within the order centric system 100 in which significant events that occur relating to an order can be recorded.
- the history log can be stored in an electronic storage medium such as a magnetic disc drive or a compact disc (CD).
- the log can provide a means whereby a broker can review information during the trading day.
- Tasks can be presented to a user in a manner that will give the user a quick view of what actions have been performed relating to an order or a group of orders.
- Tasks tracked by the order centric system can be displayed in chronological order, or according to filtering and sorting functionality. Users can include a trader 120, a booth clerk, a broker, a typist or others with access to the order centric system.
- a user can be a customer 140 with remote access to the order centric system.
- Customers 140 may be given access rights to view orders they have placed.
- customers can be given the ability to track trades placed by others whereby the customer can get a "feel" for the trading environment at any particular time without specifically requesting a floor look.
- task history data is also stored on the handheld computing device 114-116.
- Data is preferably purged from the handheld computing device 114-116 at the beginning of each new trading day or more frequently as required based on device memory constraints. Purging can also be subject to network failure recovery as discussed in more detail below.
- a separate database can be maintained on the HHS 1 13 to store executions that have been entered during the course of the day.
- the separate database will allow brokers to reconcile executions with the booth in failure recovery situations.
- the order centric system can encrypt the message stream between a andheld 114-116 and the HHS 113.
- the Handheld Server 113 is configured to communication between existing trading firm systems 130, trading exchange systems and the handheld computing devices 114-116. Each handheld 114-116 can establish a communication session with HHS 113 over a wireless network, and HHS 113 will participate in order processing systems on behalf of the handheld computing devices 114-116. HHS 113 can also maintain login session state for the handheld computing devices 114-116. HHS 113 can act as a pass-through, performing protocol conversion between a trading firm's Order Management Architecture and the handheld messaging protocol, one form of which is discussed in detail below.
- An order centric system can allow an order to be entered into a computerized order management system. Typically, an order is entered by a trader on the Listed desk of a firm. The order is routed to the order management system for exchange-listed securities.
- the order can also be displayed in the order management system application in the booth that handles orders for the given security.
- the order centric system automatically routes the order to a broker who handles for that particular security.
- a clerk or trader initiates routing of the order to the appropriate broker.
- the order centric system pages the floor broker.
- the broker upon being paged, can retrieve the new order on his handheld 114-1 16. If the broker accepts the order, the order is added to the list of active orders.
- the online management system display updates and shows that the designated broker has accepted the order.
- the broker can execute a trade for all or part of the order on the exchange floor.
- the broker can record the symbol, side, price, and quantity by clicking or otherwise operating programmable user interface devices on the screen of the handheld.
- the broker can also record the contra breakdowns with a freehand image or "digital ink".
- the image recorded in digital ink can be processed for character recognition or sent as a simple image.
- a "send" option can be selected to transfer the recording to the server.
- the handheld unit 114-116 is programmed to generate an estimated allocation of the shares of the security traded and update the order leaves to reflect allocation. The execution is transmitted into the online management system.
- a clerk typically located in the booth, can access a display of an execution that has been transmitted to the online management system.
- the clerk can perform an allocation with the traded securities if appropriate.
- the image of the contra breakdowns will also be available to the clerk.
- Allocations performed by the clerk are in turn transmitted to the HHS 1 13 and logged.
- the allocations are also transmitted from the HHS 113 to the floor broker via the handheld 114-116 computing device 114-116.
- the handheld device 114-116 receives the updated leaves according to the clerk's allocation and the effects of the allocation are displayed.
- the allocated execution is also transmitted to the typists with any inked breakdowns whereby they can record the "writtens."
- the file containing the image of the breakdowns can also be archived. Archives can be accomplished, for example, in an electronic storage medium, such as a disc drive or CD.
- the trading firm can utilize an application that permits bulk display and/or printing of the inked breakdown images.
- the order centric trading system can also include a failover procedure.
- the handheld device 114-116 can attempt to connect to a backup server 131.
- the order centric trading system 100 can include, in various embodiments, additional features such as the ability to digitally accept all execution information at the point of sale, enhanced messaging between brokers, traders, and clerks, electronic deposit of orders with the specialist, and receipt of analytics, such as market data, statistics, trends or other information useful to accomplishing an educated trade, on a broker's handheld device.
- the order centric system can operated over an intermediary network system, such as a network system installed in an exchange for communication to and from the floor of an exchange.
- a login session in the order centric system can include any actions entered by a broker after they have logged in to a computerized handheld device 114-116.
- An execution history database can be utilized to record order requests, executions, and other detailed information about a login session. In one embodiment, a history can be cleared whenever a new login session is initiated or more frequently as needed based on available RAM.
- An execution history database can be used in recovery situations (such as when a session was abnormally terminated) to reconcile executions entered on the handheld 114-116 with those received by the online management system. Once entered on the handheld 114-116, an Execution can be stored in this execution history database.
- information about an execution that can be stored in the database can include: HHD Execution ID - an Execution identifier created by the HHD during the creation of execution, Online Mgmt. Execution ID - identifier assigned by the online management system, Security Ticker Symbol Side, Quantity, Price, Timestamp and Status including unsent, sent, confirmed, allocated, failed.
- the database entry can remain valid until it is manually removed by the user or until the handheld 114-116 receives allocation data for the execution.
- the execution history database is implemented within a Windows CE database as opposed to being stored in volatile application memory to permit the data to exist across application sessions.
- the contents of the database are deleted the first time that the handheld 114-116 application is launched each day.
- the digital ink image can be discarded to conserve memory after the handheld 114-116 receives a message indicating that the execution has been allocated.
- the online management system can communicate with the server in the context of a 'session'.
- a session uniquely identifies a handheld 114-116 and messages that have been sent to a particular handheld 114-116. Any response or message originating from the handheld 114-116 (except the initial login-request message, when the identifier is not yet available) will include the session identifier so that the server can correctly process the message information. Similarly, all messages arriving from HHS 113 will also contain the session identifier. Both HHS 113 and HHD can compare the session identifier, along with other tracking information in the header of all messages, to their internal values to help determine if there has been a communications or application error.
- the system can utilize a transmitted Heartbeat mechanism to determine if a current session is still active.
- the system can initiate a heartbeat 310 between a handheld computing device 114-116 and the HHS 113.
- the online management will send heartbeat information packet to the HHS 113 during idle periods.
- the HHS 113 can log the time interval of the heartbeat 311.
- the server can also interpret the receipt of the heartbeat or any other message as an indication that the HHD session is still active.
- a test can be performed at the completion of a maximum heartbeat interval.
- the system can test to a heartbeat received within the predetermined time 312.
- the HHD will likewise interpret the receipt of the server heartbeat or any other message as an indication that the session is still alive 313.
- a successful heartbeat can loop the process back to initiate a heartbeat and begin the time interval logging.
- the online management system will assume that the session has terminated and will notify the user of the failure 314. Information that has not been sent will be lost except for executions stored in the Execution History database.
- a Send Data Thread can wait for the SendData event, the Terminate event, or for the wait to timeout.
- the Terminate event signals that the thread should shut down. Signaling of the SendData event indicates that there is data to send. If the wait timeout occurs waiting for one of these two events, it is an indication that no traffic has been sent to the server. Therefore the thread will send a heartbeat to the server in accordance with the design of connection maintenance.
- a Receive Data Thread serves to block socket reads.
- the socket can be configured with a read timeout that is set to be equal to twice, or other multiple of, the heartbeat interval. If a socket read fails with a timeout error, wherein no messages have been received from the server within the required interval, the connection from the handheld 114-1 16 to the server is assumed to be down. The thread can then call a routine, such as CloseSocket, and the user will be notified of the failure. Communication failures can result from socket termination, network failure, severe network latency, or a server or handheld application error.
- the User Interface can notify the broker of the failure.
- the handheld 114-116 can make an automatic attempt to re-establish communications with the server.
- the broker can manually direct the handheld 114-116 to attempt to re-establish communications with the server.
- a user can be allowed to operate in an "offline mode" which supports limited application functionality. This mode can be enabled, for example, to allow a broker to continue working should a failure occur at a critical moment, such as while executing orders in the crowd.
- offline mode the broker will not be able to send or receive looks or messages or orders. However, the broker will be able to record executions on the handheld 114-116.
- the handheld 114-116 essentially functions as a recording device for executions. These executions can be maintained in the Execution History database which the user would eventually need to reconcile with the clerk, e.g., in a manual process. If the HHS 113 detects a communications failure, it can automatically send a new order that would otherwise be routed to a terminated handheld 114-116 to the booth responsible for the symbol corresponding with the security comprising the order. When the broker logs back in on the same or a different HHD, the broker will then automatically receive all of the active orders that are still assigned to them in the online management system. Orders that were pending can again be displayed as Pending; orders that were accepted will be automatically accepted on the HHD.
- an order that was accepted on the HHD may return to the pending state if the "Order Accept" message was lost during the communication failure. Orders that had been sent back to the booth during the communications failure can be "manually” sent back to the broker's HHD from the online management system.
- An exchange wireless infrastructure can be configured to provide two redundant networks. If a connection cannot be established on a current network, the HHD can prompt the broker to a "fail-over" mode in which the HHD will log into a backup network. The broker can assent or decline to perform a fail-over.
- Allocation Estimation is a process for assigning specific quantities of shares that are traded to the orders that are eligible to participate in a trade.
- a broker enters an execution 410 into a handheld computing device 114-116
- a program in the handheld can estimate the quantity of shares that are allocated to various eligible orders 411 on the handheld 114-116. This allocation will estimate the amount of shares available for execution making up the various remaining orders.
- the handheld device 114-116 transmits the order information 412 to the associated booth station 161-163.
- a clerk can perform a final allocation for an execution in the booth 413. After the clerk finishes the allocations for an execution, the allocation can be transmitted to the HHS 113 and logged 414.
- the allocation can be transmitted to the handheld 114-116.
- the handheld can "unwind" the estimates by replacing the handheld's 114-116 estimated allocation with the final allocation determined in the booth.
- the execution quantity can exceed the sum of the remaining quantities of the eligible orders. In such cases the excess allocation quantity can be stored in an execution object. This excess quantity can remain and be factored into the total leaves for the affected security until an execution is unwound with the actual allocation from the booth.
- Typical trading firm business rules and SEC regulations dictate that Agency orders receive priority over Principal orders. For example, if there are 700 shares to allocate to two orders that differ only in capacity, the Agency order must receive 400 shares and the Principal order 300.
- an estimation allocation can be performed irrespective of whether the handheld 114-116 is able to transmit the execution to the server. Estimates can thus be calculated even if a broker is working in offline mode.
- an order will receive an allocation estimate for an execution when the order is for the same security as the execution and the order is for the same side as the execution. Accordingly, Long and Short Exempt sell orders can be eligible to participate in any sell execution, but Short sells can only be eligible for short sell executions. Therefore, if the side is Buy then the execution price should be lesser than or equal to the order price. If the execution is on the sell side then the execution price should be greater than or equal to the order price. A market order can satisfy any execution price.
- the order centric system can also track an order timestamp.
- the order time stamp is the time the order reached the floor.
- An execution timestamp can be the time of execution.
- the order time stamp should be earlier than an execution time stamp, indicating that the order reached the floor before the execution was performed.
- the handheld 114-116 can operate with limited functionality if the handheld computing device 114-116 loses connection to the server.
- the application can enter Offline mode if a critical data error occurs. Offline mode can implemented in all layers of an online order application. For example, a Communication Manager can be responsible for detecting a lack of heartbeats and notifying the Data
- the Data Manager can disconnect the Communication Manager and notify the User Interface that orders functions and look functions and messaging are unavailable.
- the User Interface can also notify the broker and take the necessary actions to disable features as appropriate. For example, disabling can include disabling certain windows and/or ignoring user input such as stylus taps.
- a Send button included in an Orders dialog will remain enabled even if the Orders system is unavailable.
- the execution can be persisted to the Execution History database and the user can receive a reminder that they must reconcile with the booth.
- Failure Recovery can be implemented at Login time for a handheld computing device 114-116.
- An optional part of a Login-Reply message is a Server-Status element, which optionally contains the Recovery-Orders and Recovery-Executions elements.
- the Recovery-Orders element contains Order-Request messages for all of the orders that are currently assigned to a user logging in. These orders can be used to populate a Data
- a Recovery-Executions message can contain a history of executions that have been entered into the online management system by the broker during the day.
- the Data Manager can use this data to update and/or reconstruct the Execution History database.
- the Data Manager can process the executions and bring the state of the Execution History database in line with what is currently in the online management system if that data is more recent. However items that were already in the database that are not present in this message will not be removed.
- the Data Manager can populate its lists with the contents of the Recovery-Orders element. After population is accomplished, the handheld 114-116 can perform an allocation estimation for any executions that have still not been allocated.
- the order centric system can reserve the execution history database in the database and refuse further use until the database is reconciled.
- the handheld computing device 114-1 16 can be programmed to record the User ID of a broker after a successful logon and compare this value to a User ID associated with an un-reconciled database stored in the handheld device 114-116. If the User ID logged in by the current broker is different from the User ID associated with the unreconciled database the current will not be allowed access. This will effectively prevent executions from being overwritten.
- a handheld computing device 114-116 can enter various states during normal use with an order centric tracking system.
- Table 1 illustrates specific examples of various handheld computing device 114-116 states and actions a programmable User Interface (UI) may associate with the specific states listed.
- Table 1 below illustrates examples of programmable functions, such as a DataManager function, a storage function, and a CommManager function that can be utilized with a handheld computing device in one embodiment of an order centric tracking system. Programmable actions associated with each state are listed to further exemplify features of this invention.
- the invention may be implemented in digital electronic circuitry, or in computer hardware, firmware, software, or in combinations of them.
- Apparatus of the invention may be implemented in a computer program product tangibly embodied in a machine-readable storage device for execution by a programmable processor; and method steps of the invention may be performed by a programmable processor executing a program of instructions to perform functions of the invention by operating on input data and generating output.
- HHD handheld device
- HHS handheld server
- FIX Financial Information Exchange
- this embodiment of the system 100 includes a electronic Floor Order Management system cluster 130 (alternatively refered to as "FOMAD") which is connected between the trader 120 and one or more floor order management systems 161,163 ("FOMS") which are situated in respective trading booths 110, 112 staffed by booth clerks. Also connected to the FOMAD 130 is the Handheld Server System (HHS) 113 which is connected to the various Handheld devices (HHDs) 114, 116 through a wireless network 502 to permit communication with the respective brokers 514, 516.
- HHS Handheld Server System
- HHDs Handheld devices
- a trader 120 can also request looks for one or more securities.
- a separate Floor Look System (FLS) 504 can be provided and connected directly to the HHS 113 to allow looks to be forwarded to the brokers via their handheld devices.
- FIG. 6 is a diagram illustrating sample process and messaging flow between a HHD 114, the HHS 113 and various other elements in the network 100 for sample look and order requests.
- the HHD initiates a socket connection to the HHS. Once the socket is established, a Logon-Request is sent from the HHD to HHS. The login request is processed and the HHS sends an appropriate login-reply. Provided the login is successful, the HHD is now active on the system and tagged as being in use by a particular broker.
- a look request querying the current market conditions for a given security sent from a Trader 120 through the FLS 504 is processed by the HHS 113 and forwarded to the appropriate broker, e.g., in accordance with a look-up table indicating which brokers are assigned to particular securities.
- a look-reply indicating whether the trader operating the HHD has accepted or rejected the look request is returned to the Trader via the HHS and FLS. If the look was accepted, a further Look-data message containing the information entered by the trader in response to the look is returned to the Trader via the HHS and FLS. in an encoded graphical format.
- a order is sent from the trader to the FOMAD system 130 and subsequently forwarded to FOMS system for the booth which specializes in the particular security at issue in the order. Automatically, or under the direction of a booth clerk, the order is forwarded to the HHS which then transmits it to the HHD of the appropriate broker in the form of an Order-Request message. An order reply message is returned to the HHS and thereby to the FOMS and booth clerk indicating whether the order has been accepted by the floor trader. If the order has been rejected, the order can be reassigned to a different trader.
- the broker When the trade has been executed, the broker enters the appropriate information into their HHD. This information is conveyed to the FOMS via an Execution message containing details about the trade sent to the HHS. An Execution- Acknowledge message is returned to the HHD indicating the status of the transaction as it is processed by the appropriate electronic order management system.
- the order is allocated, e.g., by the booth clerk, and details of the execution are sent through the FOMS to the HHS. This information is then forwarded to the HHD in the form of an Execution- Allocation message indicating the collection of orders affected by the identified execution sequence and allocation.
- the session is terminated. This is accomplished by means of a Logoff-Notification message sent from the HHS to the HHD. After logoff, the HHD closes the data socket.
- the specific protocol disclosed herein is preferably implemented using an Extensible Markup Language (XML) to allow the protocol to be easily overlayed on a conventional HTTP data communications network.
- XML Extensible Markup Language
- the protocol can also be mapped into other data transmission languages.
- various lower layer communication protocols will also be utilized in the communication system and intervening hardware elements can be present between the HDD and the HHS, such as infrastructure components of the NYSE.
- all messages are suitable for transport as plain text, e.g., as base64 encoded data.
- other data encoding techniques can also be used in alternative embodiments.
- the protocol syntax is specified in an XML Document Type Definition ("DTD").
- DTD XML Document Type Definition
- One complete implementation of the DTD for the most preferred implementation of the protocol is attached as Appendix A.
- the general messaging format will be discussed below followed by a detailed description of the specific messaging op-codes and the various semantic sequences of the protocol.
- Fig. 7 is an illustration of a sample message. In this and other message examples, the indentation is for readability. In practice, line breaks or extra whitespace characters are not required to be present in the data stream.
- each message in the handheld protocol contains an identifying tag, such as " ⁇ GSHP>", at its root followed by a standard set of attributes attached directly to the GSHP tag. These attributes include tracking information in the form of a Session ID ("SID”), a Sequence Number (“Seq”), and a Last Received Sequence Number (“LRSeq”).
- SID Session ID
- Seq Sequence Number
- LRSeq Last Received Sequence Number
- the HHD will fill in LRSeq with the sequence number of the last message received from the HHS.
- the HHS spawns a new series of sequence number for each new session. This enables detection of gaps in the messaging streams by the HHD and the HHS.
- the message can include one or more op-codes, specified as an XML tags in the message. Attributes are associated with the op-code as name-value pairs. Further sub-items can also be included under each op-code. In accordance with the preferred implementation, and to simplify processing, tracking, error recovery, and accountability of messages, only a single op-code is included in the sub-item under the main tag and all attributed defined for the op-code are required elements of the message. Further, no items in the message will have implied values. However, in a less rigorous alternative implementation, multiple op-codes may be transmitted and, in addition, various of the defined attributes may be omitted, wherein omitted attributes are considered to have a predefined value or a value defined through alternative means.
- all messages sent using this protocol preferably have the following lightweight envelope immediately preceding the primary XML block:
- the envelope header is always a fixed 16 bytes in length, including the trailing CRLF.
- the length encoded into the header corresponds to the length of the main GSHP message which begins following the CRLF.
- each op-code is transmitted in an individual message unless otherwise stated.
- the protocol is implemented with the complete op-code set disclosed below.
- various defined op-codes may be omitted without substantially impacting the overall functionality and usefulness of the system, such as op-codes used generally for handling corrupted messages or which provide brokers with additional flexibility, such as a "do-no-disturb" option.
- a specific attribute or sub-code has not been explicitly discussed above, it is believed that the definition of such an attribute or sub-code is apparent with reference to the contextual usage and the various specific examples provided.
- Pair op-codes utilize name-value pairs to associate a name field with one or more data items contained in a value field.
- a Pair op-code is defined. This op-code can be used within a message but cannot be used as a stand-alone message. For example, it is used within the Logon-Reply and Logoff-Notify messages.
- This message originates in a HHD and is used to initiate a logon procedure.
- the defined attributes include: * UserlD, which specifies a valid Broker User ID;
- Force which is used to indicate to the system whether or not to force a new logon when the server's state shows that the user is already logged on.
- Valid values for the Force attribute are "Y" or "N”.
- ⁇ Logon-Request-Version Value "xxx"/>. This sub-item can be used to indicate the version of the XML DTD to use during the new login session. This item simplifies the use of multiple versions of a protocol DTD in the system and simplifies changing from one protocol to another.
- This message originates at the HHS and is directed to the HHD in response to a Logon-Request.
- the HHS indicates whether the logon was successful or not in the defined attribute Success, which contains the value "Y" for a successful logon, or the value "N" for a failed logon.
- Several sub-items are also defined and which can be used to indicate the heartbeat, various timeout values, a predefined profile for the user logging in, specific special instructions, the present official time, and the status of various hardware systems in the network. Within the status information, various recovery messages can be specified to re-send pending order and execution, etc. to the HHD, which messages may have been dropped or otherwise lost when the broker using the HHD previously logged out.
- a sample Login-Reply message is illustrated in Fig. 8.
- the Heartbeat-Period, Look-Reply-Timeout, and Look-Data- Timeout sub-items are required elements of a Logon-Reply.
- predefined values can be specified for use in their absence.
- Timeset is also a required sub-item.
- alternative mechanisms for coordinating the time between the server and the various handheld units known to those of skill in the art can also be used, such as providing broadcasting a UTC time signal on a predefined radio channel within the trading environment and including an appropriate receiver in each HHD.
- This sub-item is an op-code (which can be used within a message, but not as a stand-alone message) contains one or more name/value pairs that describe the custom settings previously specified by the user and stored within the system. has selected. These name/value pairs are described within the Pair op-code.
- This message originates at the HHD and is used to inform the system that the broker is logging off.
- a Profile-Data sub-item is defined under which the HHD can supply name/value pairs which describe the custom settings that the broker using the HHD has selected.
- This profile information can be stored in the system and returned to HHD under the Profile-Data item in the Logon-Reply message.
- This message originates in the HHS (in response to a look requested by a Trader and forwarded to the HHS).
- a sample Look-Request message is shown in Fig. 10.
- the message attributes are ReqlD. which specifies an assigned Look Request ID number. Symbol, which identifies the stock symbol for which the look is being requested, and FromAddr, which indicates the address of the Look Request originator.
- the Accept attribute may be "Y", "N", or "PR”. (PR is for Passive-Reject) No particular sub-items are defined for this op-code. A sample Look-Reply message is shown below:
- Look-Data This message also originates in the HHD and is used to convey the results of a look back to the system, and ultimately to the requesting trader.
- the particular look request the data is associated with and its routing is specified in the following attributes:
- a required Ink sub-item is also defined and used to contain the specific look data.
- the Look data is entered as graphical data and transmitted in an encoded graphical image format, as opposed to plain- text.
- Alternative formats, such as GIF89a can also be supported.
- the graphical data is base64 encoded digital ink, which format permits the image data to be represented as valid text characters.
- This op-code is used to transmit a text statement, e.g., from the trader, via the HHS. and directly to the HHD of a broker.
- the message includes the attributes of ReqlD, which specifies the Request ID, and FromAddr, which identifies the address of the originator.
- the sub-item ⁇ Text> ... ⁇ /> is required and contains the text of the message.
- An optional priority sub-item can also be included.
- a sample Msg-Request message is shown in Fig. 12. Msg-Reply This message is used to respond to a previously received Msg-Request. It can also be used to originate a new message to a specified ID.
- the required attributes are ReqlD and ToAddr, which identifies the destination address of the message.
- the following optional sub- items can also be included in the message: * ⁇ Ink> ... ⁇ />: Digital ink of the Msg-Reply
- Heartbeat-Notify This message can originate at either of the HHD and HHS and is used to send a heartbeat signal indicating that the sending device is still active. This message is sent without any associated attributes or sub-items, e.g.:
- NACK This message can originate at either of the HHD and HHS and is used for error logging and debugging when a received message is corrupted.
- the op-code includes a Reason attribute which indicates the condition which cause the NACK message to be generated and a single required sub-item, Original, which contains the offending text in its entirety. The original text, because it may be malformed, can be bracketed within an "Escaped Character Data" section, indicating that the parser should not attempt make sense of that particular section.
- a sample NACK message is shown in Fig. 14.
- This message originates in the HHD and is used to pass a set of name-value pairs which contain user profile information to the system for storage via a required pair sub- item. Any number of pairs may be present. If the message is sent with no pairs, it can be interpreted as requesting a deletion of the user's profile. For example:
- Profile-Request message its single attribute Success contains "Y” or "N” as an indication of the status of the Set-Profile-Request message.
- a successful reply message would be:
- Order-Request This message is generated in the HHS in response to an order request.
- the message includes the following attributes:
- Timestamp The FOMAD time of the order.
- Cap The Capacity or role of the party on whose behalf the order has been placed. * Num: The order number
- one or more other attributes can be defined to pass special instructions, indicate particular order flags, expiration times, or other special instructions.
- additional attributes are also defined:
- the op-code contains the following attributes: * ID: The FOMAD order ID.
- This message originates at the HHS, in response to actions entered by the clerk, trader, or other appropriate personnel.
- the purpose behind this op-code is to initiate action on the HHD to remove the specified order from the HHD, thus pulling it away from the broker. Appropriate notice to the broker when this action has been taken may be generated by the HHD.
- the attributes for this op-code can include ID, the FOMAD order ID, and, if multiple versions of FOMAD are in use, Fver, the FOMAD version number. For example:
- This message is generated by the HHD and is used to convey an execution of a transaction, such as the buying or selling of a set of securities. Execution messages can be generated without specific reference to a given order.
- the attributes defined for this op-code include:
- Timestamp The timestamp of the execution.
- an Ink sub-item preferably required, is defined for use in transmitting a graphically encoded message written by the broker and containing information about the execution. The Ink sub-item is discussed above.
- An example of an Execution message is shown in Fig. 17.
- Execution- Ack This message is transmitted from the HHS and indicates to the HHD that the specified Execution message was received and acknowledged.
- the Execution- Ack op-code includes as attributes one or more identifier fields, which are used to uniquely identify the execution at issue across multiple HHDs (since two separate HHDs could possibly generate the same execution ID number).
- an ID sub-item containing the associated HHD Execution ID, and an FID sub-item which represents the FOMAD Execution ID are used.
- a value of-1 can be included in this field to indicate that a FOMAD transaction error has occurred and a representation of the error code will be placed in a status attribute, Stat. which represents the status of the FOMAD transaction. Possible values include "EX_ERR" and NULL. A NULL value indicates a no error condition.
- the results of the execution may be allocated among several pending orders.
- the allocation information is generated by the FOMS clerk and forwarded to the broker via the HHS.
- the defined attributes include an ID, which represents the HHD Execution ID, and an FID, which represents the FOMAD Execution ID.
- a required sub-item ⁇ Allocations> ... ⁇ /> is included and used to communicate the collection of orders affected by this allocation in the form of one or more included Allocation op-code statements.
- the Allocations op-code can be used within a message but cannot be used as a stand-alone message. It is specifically used within the Execution-Allocation message.
- the Allocation op-code includes the following attributes:
- this op-code can also be included as a sub-item to another message, such as the logon-Reply message discussed above.
- the attribute is the official time, such as the time of the Server in UTC format. For example:
- This message is sent from the HHS and is used to communicate to the broker the most current price associated with one or more securities.
- the Prices op-code includes a Time attribute which contains a timestamp for the indicated prices. At least one ⁇ Price> ... ⁇ /> sub item must be included to specify the price of a given security.
- a sample Prices message is shown in Fig. 19.
- this message can be used to quickly send a broker, via their HHD, a snapshot of the last sale price for all securities of relevance to the broker.
- the system can send price information to a broker on a periodic basis, for example, for all securities that they have specified in their user profile or only those securities for which the broker has outstanding orders or looks.
- This op-code is intended to be used as a sub-item message within another message.
- the Server-Status message is used to indicate initial server status and also to pass order and execution recovery messages to the HHD.
- the defined attributes include:
- FOMAD Status of the FOMAD system. Possible values are "UP” or “DOWN”.
- zero or more order request messages can be embedded in the server status message. Embedded messages are only present when the server status message is included in the Logon Reply message.
- the Recovery-Orders op-code can be used within a message but preferably cannot be used as a stand-alone message and most preferably is used within the Server-Status message only when the Server-Status message is embedded within a Logon-Reply message. This op-code indicates that the current logon is in a state of recovery and that previously accepted orders are being re-sent to the HHD.
- ⁇ /> messages can be embedded within the Recovery-Orders op-code and used to retransmit included orders.
- * ⁇ Recovery-Executions> ... ⁇ />: zero or more Execution messages can be embedded in the server status message. Embedded messages are only present when the server status message is included in the Logon Reply message.
- the Recover-Executions op-code can be used within another message but cannot be used as a stand-alone message and is used within the Server-Status message only when the Server-Status message is embedded within a Logon-Reply message.
- This op-code indicates that the current logon is in a state of recovery and that previously performed executions are being re-sent to the HHD.
- the Recover-Executions op-code has no defined attributes.
- One or more ⁇ Executiori> ... ⁇ /> sub items can be embedded within the Recovery-Executions op- code.
- FIG. 20 An example of a Server-Status message with an imbedded Recovery-Orders and Recover-Executions messages is shown in Fig. 20.
- Allocation The distribution of the shares traded in an execution across the orders that are eligible to participate in the trade. Break - A failure to reconcile an order that has been filled, either within a member firm or between member firms.
- Breakdown - Detailed information about an execution, including quantity and contra party.
- An execution consists ofone or more breakdowns. Contra - The opposing broker in a trade, e.g., as identified by brokerage and badge number. Digital Ink - A graphical representation of handwritten information, somewhat akin to a scanned/faxed image. Digital ink may be condensed in a no-loss manner for transmission. Execution - The act of performing a trade, and/or the information (price and quantity) that describes it.
- FOMAD A particular floor order management architecture which implements a particular OMA.
- FOMS A client application which is part of the order management system that the clerks use in the booths to assist with order management.
- HHD A Hand Held Device, such as the piece of hardware used by brokers to access the wireless network.
- HHS A server application that routes communication between the HHDs and the other system components. The HHS also interfaces with FOMAD on behalf of the HHDs.
- Leave -The remaining quantity of an active order.
- Look - A set of information, generally written on a small piece of paper or captured digitally on a handheld device, that provides an indication of the current market conditions for a given security. This information may include current ask and bid prices, volume estimates, parties involved in trading, and broker sentiment. The information is written in a commonly understood format. Also referred to as a "Floor Picture.”
- Order An instruction to trade a security.
- An order contains all of the information that a broker needs to perform a trade.
- the term also refers to a representation of this information, such as digital or on a piece of paper.
- UTC Universal Coordinated Time, which refers to the time as set by the World Time Standard. Previously referred to as Greenwich Mean time or GMT.
- Verbal - The price and quantity of an execution, as in the "verbal confirmation”.
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Abstract
Description
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US413150 | 1989-09-27 | ||
US15798799P | 1999-10-06 | 1999-10-06 | |
US09/413,270 US6505175B1 (en) | 1999-10-06 | 1999-10-06 | Order centric tracking system |
US157987P | 1999-10-06 | ||
US09/413,150 US6625583B1 (en) | 1999-10-06 | 1999-10-06 | Handheld trading system interface |
US413270 | 1999-10-06 | ||
PCT/US2000/027414 WO2001026003A1 (en) | 1999-10-06 | 2000-10-05 | Order centric tracking system and protocol for communications with handheld trading units |
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EP1238351A1 true EP1238351A1 (en) | 2002-09-11 |
EP1238351A4 EP1238351A4 (en) | 2003-01-08 |
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AU (1) | AU7857500A (en) |
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US6768981B2 (en) * | 1994-09-20 | 2004-07-27 | Papyrus Corporation | Method for executing a cross-trade in a two-way wireless system |
US7373322B1 (en) | 1994-09-20 | 2008-05-13 | Papyrus Technology Corporation | Two-way wireless communication system for financial industry transactions |
US7107240B1 (en) | 1999-10-06 | 2006-09-12 | Goldman Sachs & Co. | Order centric tracking system and protocol for communications with handheld trading units |
US8469808B2 (en) | 2004-01-15 | 2013-06-25 | Bgc Partners, Inc. | System and method for managing a game controller device for electronic trading |
US7207885B2 (en) | 2004-01-15 | 2007-04-24 | Espeed, Inc. | System and method for using a game controller device for electronic trading |
US8170945B2 (en) | 2004-01-15 | 2012-05-01 | Bgc Partners, Inc. | System and method for providing security to a game controller device for electronic trading |
US8156022B2 (en) | 2007-02-12 | 2012-04-10 | Pricelock, Inc. | Method and system for providing price protection for commodity purchasing through price protection contracts |
WO2008100902A1 (en) | 2007-02-12 | 2008-08-21 | Pricelock, Inc. | System and method for estimating forward retail commodity price within a geographic boundary |
US20080228618A1 (en) | 2007-03-15 | 2008-09-18 | Noviello Joseph C | System And Method For Providing An Operator Interface For Displaying Market Data, Trader Options, And Trader Input |
US7945501B2 (en) | 2007-04-09 | 2011-05-17 | Pricelock, Inc. | System and method for constraining depletion amount in a defined time frame |
WO2008124719A1 (en) | 2007-04-09 | 2008-10-16 | Pricelock, Inc. | System and method for providing an insurance premium for price protection |
US8160952B1 (en) | 2008-02-12 | 2012-04-17 | Pricelock, Inc. | Method and system for providing price protection related to the purchase of a commodity |
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US5297031A (en) * | 1990-03-06 | 1994-03-22 | Chicago Board Of Trade | Method and apparatus for order management by market brokers |
EP0820183A2 (en) * | 1996-07-19 | 1998-01-21 | Pioneer Electronic Corporation | Information presentation system and portable telephone apparatus with information displaying function |
US5797002A (en) * | 1994-09-20 | 1998-08-18 | Papyrus Technology Corp. | Two-way wireless system for financial industry transactions |
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US5918218A (en) * | 1994-09-01 | 1999-06-29 | First Data Investor Services Group, Inc. | Method and apparatus for automated trade transactions processing |
US5774877A (en) * | 1994-09-20 | 1998-06-30 | Papyrus Technology Corp. | Two-way wireless system for financial industry transactions |
US5918216A (en) * | 1996-08-22 | 1999-06-29 | Microsoft Corporation | Automatic recognition of periods for financial transactions |
-
2000
- 2000-10-05 AU AU78575/00A patent/AU7857500A/en not_active Abandoned
- 2000-10-05 WO PCT/US2000/027414 patent/WO2001026003A1/en active Application Filing
- 2000-10-05 EP EP00968701A patent/EP1238351A4/en not_active Ceased
- 2000-10-16 TW TW089120897A patent/TWI223759B/en not_active IP Right Cessation
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2002
- 2002-11-16 HK HK02108323.9A patent/HK1046967A1/en unknown
Patent Citations (3)
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US5297031A (en) * | 1990-03-06 | 1994-03-22 | Chicago Board Of Trade | Method and apparatus for order management by market brokers |
US5797002A (en) * | 1994-09-20 | 1998-08-18 | Papyrus Technology Corp. | Two-way wireless system for financial industry transactions |
EP0820183A2 (en) * | 1996-07-19 | 1998-01-21 | Pioneer Electronic Corporation | Information presentation system and portable telephone apparatus with information displaying function |
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AU7857500A (en) | 2001-05-10 |
TWI223759B (en) | 2004-11-11 |
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