Scispace (Formerly Typeset)
  1. Home
  2. Topics
  3. Port (computer networking)
  4. 1989
  1. Home
  2. Topics
  3. Port (computer networking)
  4. 1989
Showing papers on "Port (computer networking) published in 1989"
Proceedings Article•10.1109/ROBOT.1989.100162•
Design issues in 2-port network models of bilateral remote manipulation

[...]

G.J. Raju1, George C. Verghese1, Thomas B. Sheridan1•
Massachusetts Institute of Technology1
14 May 1989
TL;DR: A two-port impedance-network model of a single-degree-of-freedom remote manipulation system in which a human operator at the master port interacts with a task object at the slave port in a remote location is presented.
Abstract: A two-port impedance-network model of a single-degree-of-freedom remote manipulation system in which a human operator at the master port interacts with a task object at the slave port in a remote location is presented The design of the network involves the selection of feedback gains for the servomechanisms that transmit motion and force information from one port of the two-port to the other in both directions The proposed methodology allows this selection to be based on both stability requirements and specifications of desired port impedances, given models of the task and the human operator The resulting design guidelines guarantee stability for any passive task object at the slave port and any passive human impedance at the master port >

239 citations

Journal Article•10.1016/0743-0167(89)90031-4•
Economic liberalisation in New Zealand: A. Bollard and R. Buckle (eds), 346 pp. 1987, Allen and Unwin-Port Nicholson Press, $N.Z.39.95

[...]

David G. Rankin1•
University of Auckland1
01 Jan 1989-Journal of Rural Studies

76 citations

Patent•
Self documenting patch panel

[...]

James Alexander Carter, David Jeffery Carter
29 Sep 1989
TL;DR: In this paper, a method for documenting the connections between input and output ports of a patch panel is proposed, where a polling signal is sent in turn to each of the input polling terminals, and the output ports whose polling terminals receive the signal are identified as being connected to that input port.
Abstract: In a method for documenting the connections (6) between input and output ports (4,5) of a patch panel (1) wherein each port has a polling terminal (9, 10) associated with it, a polling signal is sent (7) in turn to each of the input polling terminals (9) of the input ports, and the output ports whose polling terminals (10) receive the signal are identified (8, 17, 14) as being connected to that input port. The sending circuitry (7) includes serial parallel shift registers (18 Fig 2 not shown) and the receiving circuitry (8) includes parallel to serial shift registers (19).

59 citations

Patent•
Pipelined signal processor having a plurality of bidirectional configurable parallel ports that are configurable as individual ports or as coupled pair of ports

[...]

Kevin D. Balmforth, Gary A. Bates, Steven P. Davies, Hans L. Habereder, R. Loyd Harrison, Donald M. Hopp, George G. Ricker 
27 Jan 1989
TL;DR: In this article, a signal processor consisting of a split pipelined parallel processor and a plurality of bidirectional parallel ports is described. Butts et al. present a high performance architecture for use with vector and matrix signal processing algorithms that minimizes the amount of hardward needed to implement them.
Abstract: A signal processor comprising a split pipelined parallel processor which processes data signals from external signal sources and provides signal processing functions utilizing a plurality of data formats. The signal processor comprises an external interface unit having a serial control port and a plurality of bidirectional parallel ports. The interface unit transfers control and data signals between the signal processor and external devices. The parallel ports are configurable as individual parallel ports or coupled pairs which form a port having the combined data path of the two coupled ports. An arithmetic element controller comprising a microprogram memory and a control program memory is coupled to the interface unit which loads applications programs into the control program memory and executes the programs. The arithmetic element controller controls the processing of control and data signals in the signal processor. A plurality of pipelined arithmetic elements are coupled to the arithmetic element controller, each comprising a data store memory, a multiplier and a register and arithmetic logic unit. Each arithmetic element has its data store memory coupled to the external interface unit to receive and store data signals, and to its multiplier and the register and arithmetic logic unit in order to perform fixed and floating point arithmetic operations on the data stored in the data store memory. These arithmetic operations are performed in accordance with application program and microprogram instructions contained in the control program and the microprogram memories. The persent invention provides for a high performance architecture for use with vector and matrix signal processing algorithms that minimizes the amount of hardward needed to implement them.

48 citations

Journal Article•10.1108/EUM0000000000334•
Assessing International Port Operations

[...]

Paul R. Murphy, Douglas R. Dalenburg, James M. Daley
01 Sep 1989-International Journal of Physical Distribution & Logistics Management
TL;DR: In this paper, a mail survey was conducted among 535 worldwide water ports and water carriers to learn about the importance of various port selection factors and the influence of contemporary trade issues on international port operations.
Abstract: A mail survey was conducted among 535 worldwide water ports and water carriers to learn about (1) the importance of various port selection factors and (2) the influence of contemporary trade issues on international port operations. Analysis of 134 responses (25 per cent response rate) revealed general agreement among respondents in terms of port selection factors, with equipment availability and loss and damage record ranked as most important. However, there was little agreement among survey participants concerning the influence of contemporary trade issues. Comparison by respondent nationality (US, non‐US) revealed that US interests oppose an increase in the value of the US dollar; US respondents also indicate that ports are not secure from terrorist actions. Comparison by primary function (ports, carriers) found substantial disagreement on operational issues and personnel issues.

47 citations

Patent•
Stock unit for storing carriers

[...]

Teruo Asakawa1•
Tokyo Electron1
17 Oct 1989
TL;DR: A stock unit for carriers includes a stocker having shelves, for storing carriers containing semiconductor wafers, a mounting port on which the carriers are temporarily mounted, and a handler for transporting the carriers between the shelf and the mounting port as mentioned in this paper.
Abstract: A stock unit for carriers includes a stocker having shelves, for storing carriers containing semiconductor wafers, a mounting port on which the carriers are temporarily mounted, and a handler for transporting the carriers between the shelf and the mounting port.

46 citations

Journal Article•10.1080/03088838900000019•
The changing economic impacts of the port of New York

[...]

Barney Warf, Joseph C. Cox
01 Jan 1989-Maritime Policy & Management
TL;DR: In this paper, the economic effects of maritime trade through the Port of New York on the New York metropolitan region were investigated, and the impacts associated with the trans-shipment of waterborne exports and imports in 1977 and 1987 were decomposed into those arising from the changing tonnage of trade and those attributable to the changing commodity mix.
Abstract: This paper investigates the economic effects of maritime trade through the Port of New York on the New York metropolitan region. It decomposes the impacts associated with the trans-shipment of waterborne exports and imports in 1977 and 1987 into those arising from the changing tonnage of trade and those attributable to the changing commodity mix. Input-output analysis is used to calculate the numbers of jobs, personal and business incomes, and output which arise from each effect. Finally, it examines the impacts on specfic industries and occupations in the region.

41 citations

Patent•
Memory organization with arrays having an alternate data port facility

[...]

Jr. Frederick John Aichelmann1•
IBM1
10 Oct 1989
TL;DR: In this paper, a memory organization having one or more groups of memory arrays is disclosed, and each array, which may be on a single chip, is provided with both a data port and a separate address port which may also serve as an alternate data port.
Abstract: A memory organization having one or more groups of memory arrays is disclosed. Each array, which may be on a single chip, is provided with both a data port and a separate address port which may also serve as an alternate data port. Use of the alternate data ports permits a substantially smaller number of input/output circuits to be used than the number required if both the address and data ports are used. The standard data port is, however, available should a higher-speed application be desired using separate address and data ports. In a single-port application, an on-chip data buffer permits the data to be sent and received through the address port in timed relationship with row and column address signals and without interfering with such address signals. An optional group select signal permits a large memory organization to utilize the alternate data ports of numerous groups of array chips.

31 citations

Book•
A fundação do porto de Nagasaqui : e a sua cedência à sociedade de Jesus = The founding of the port of Nagasaki and its cession to the society of Jesus = 長崎の開港とイエズス会への譲渡

[...]

Diego Pacheco
1 Jan 1989

30 citations

Journal Article•10.1016/0016-7185(89)90027-4•
The city and its port—an economic appraisal

[...]

Fernand Suykens
01 Jan 1989-Geoforum
TL;DR: In this article, the scale of international trade, structural changes in port activities, port industrialization, and traffic origin and destination are discussed, which are acting to alter the relationship between ports and their urban areas.

30 citations

Journal Article•10.2307/3105450•
The Roman Port and Fishery of Cosa: A Center of Ancient Trade

[...]

Nicholas Hartmann, Anna Marguerite McCann, Joanne Bourgeois, Elaine K. Gazda, John Peter Oleson, Elizabeth Lyding Will 
01 Jan 1989-Technology and Culture
Abstract: The Description for this book, The Roman Port and Fishery of Cosa: A Center of Ancient Trade, will be forthcoming.
Book•
The geology of the Port Elizabeth Area

[...]

D. K. Toerien, R. S. Hill, C. J. Van Vuuren, Energy Affairs
1 Jan 1989
Journal Article•10.1080/03149098909508494•
Home Ties In Town: Toaripi in Port Moresby

[...]

Dawn Ryan
01 Jan 1989-Canberra anthropology
Journal Article•10.2307/2523226•
Work on the Waterfront: Worker Power and Technological Change in a West Coast Port.

[...]

Joel Fadem, William Finlay
01 Oct 1989-Industrial and Labor Relations Review
Abstract: In this ethnographic account of longshoremen in California, William Finlay examines how they have been affected by recent technological changes in this industry. Focusing on the workers in Local 13 (Los Angeles-Long Beach) of the ILWU, he finds that despite the profound impact of new technologies, in particular of containerization, these workers have retained much of their influence over production, their autonomy at work, and their skill on the job. Using data collected from interviews and participant observation, Finlay provides a first-hand view of a union, the International Longshoremen's and Warehousemen's Union, about which there has been considerable speculation and discussion but which has been quite difficult for outsiders to penetrate. During his research, Finlay worked as a longshoreman, accompanied crane operators loading and unloading ships, observed union business agents on their waterfront rounds, and attended negotiation meetings. Contrary to many contemporary arguments concerning the negative impact of technological innovation at the workplace, Finlay finds that in longshoring the new technologies have resulted in the increased demand for skilled workers and in fresh opportunities for workers to assert their control of production. "Work on the Waterfront" examines local unionism in action and discusses the factors that produce on-the-job bargaining in longshoring and other lines of work. William Finlay is Assistant Professor of Sociology at the University of Iowa.
Journal Article•10.1016/0016-7185(89)90028-6•
The port service industry in an environment of change

[...]

Brian Slack
01 Jan 1989-Geoforum
TL;DR: In this paper, the authors argue that the changes presently being felt by the industry are linked most directly to urban redevelopment projects that are transforming neighbourhoods that the port service industry has traditionally occupied.
Patent•
A furnace combustion method

[...]

Ichiro Nakamachi1, Kunio Yasuzawa1, Tadato Miyahara1, Takahiro Nagata1•
Tokyo Gas1
23 May 1989
TL;DR: In this paper, an air supply port and a fuel supply port are independently opened into a furnace, with a distance (l 1 ) kept between them and a distance(l 2 ) between the air supply ports and the wall of the wall.
Abstract: A method, comprising the provision of an air supply port (3) and a fuel supply port (4) respectively independently opened into a furnace (2) with a distance (l1) kept between them and with a distance (l2) kept between said air supply port and the surrouding furnace wall (5), wherein combustion air and a fuel are injected respectively from said air supply port and said fuel supply port into the furnace, for combustion with recirculation currents formed in the furnace.
Patent•
Panel port retention system

[...]

Louis M. Chatterson1, Bruce J. Cutean1•
Haworth1
6 Jan 1989
TL;DR: In this paper, a space-dividing panel with an interior rectagular framework provided with coverings on both sides thereof, and channels extending along either or both of the upper and lower edges thereof for accommodating communication and elctrical cables.
Abstract: A space-dividing panel having an interior rectagular framework provided with coverings on both sides thereof, and channels extending along either or both of the upper and lower edges thereof for accommodating communication and elctrical cables. A porting arrangement is secured to and within the panel to provide porting for electrical or communication cabling substantially at worksurface height.
Proceedings Article•10.4271/890679•
The Effects of Load Control with Port Throttling at Idle- Measurements and Analyses

[...]

C. E. Newman1, Robert Albert Stein1, C. C. Warren1, George Carver Davis1•
Ford Motor Company1
1 Feb 1989
TL;DR: This paper describes an experimental and analytical study conducted to investigate the effects of load control with port throttling on stability and fuel consumption at idle.
Abstract: This paper describes an experimental and analytical study conducted to investigate the effects of load control with port throttling on stability and fuel consumption at idle. With port throttling, the pressure in the intake port increases during the valve-closed period due to flow past the throttle. If the pressure in the port recovers to ambient before the valve overlap period, back flow into the intake system from the cylinder is eliminated. This allows increased valve overlap to be used without increasing the residual mass fraction in the cylinder.
Book•
The Port Chicago Mutiny

[...]

Robert L. Allen
1 Jan 1989
Book•
Management of port maintenance: A review of current problems and practices

[...]

B J Thomas, D K Roach
1 Jan 1989
Patent•
Apparatus and method for preserving data integrity in multiple-port RAMS

[...]

Paul E. Platt1•
Cypress Semiconductor1
18 Jan 1989
TL;DR: In this article, a transition detection circuit is used to detect the transition resulting from the removal of the busy output signal from the comparator and for providing a busy removal output signal equivalent to an address detection signal in the event of such detection.
Abstract: The invention relates to a random access memory having more than one port capable of accessing the same storage addresses. It provides a system for protection of data integrity at each port. First and second ports are capable of providing first and second address transition signals to enable data storage in a single memory address. A comparator is coupled to the first and second ports (1) for detecting address transitions indicating that the second port is addressing a particular memory address coincidentally when the first port also is addressing the same memory address, and (2) for generating a busy output signal for that address in the event of such coincidence. A transition detection circuit is used to detect the transition resulting from the removal of the busy output signal from the comparator and for providing a busy removal output signal equivalent to an address detection signal in the event of such detection. Finally, the busy removal output signal is combined with the transition detection signals, whereby the data from the second port may be written into the single memory address irrespective of whether the second port itself provides an address transition signal at that time.
Journal Article•10.1080/03088838900000060•
Port or shipping project appraisal under risk

[...]

Ernst G. Frankel
01 Jan 1989-Maritime Policy & Management
TL;DR: In this paper, the basic concepts of project appraisal under risk are discussed, and the effects of uncertainties on measures of project performance such as net present value or internal rate of return are reviewed.
Abstract: Investments in ports and shipping today are subject to uncertainty in demand, costs, prices, and technology requirements. As a result, port and shipping project appraisal must consider the risk of project decisions on outcome. The basic concepts of project appraisal under risk are discussed in this paper, and the effects of uncertainties on measures of project performance such as net present value or internal rate of return are reviewed. Applications of the approach advocated are presented in a follow-up paper.
Patent•
Diagnostic system having multi-level port and flexible interface with a main port control unit and plurality of order port and primary port control units

[...]

Jun Iwata1•
NEC1
14 Jul 1989
TL;DR: In this paper, a system for diagnosing information processor system units by diagnostic processor connected to said system units through an interface, in order to meet desire of increase and decrease of the system units, the interface comprises a plurality of port control units which have a circuit formation and are readily disconnected and connected thereto so that number of port controllers can be readily increased or decreased.
Abstract: In a system for diagnosing information processor system units by diagnostic processor connected to said system units through an interface, in order to meet desire of increase and decrease of the system units, the interface comprises a plurality of port control units which have a circuit formation and are readily disconnected and connected thereto so that number of port controllers can be readily increased or decreased. The system units are classified into a plurality of primary groups each having a predetermined number (m) of system units, the primary groups being classified into a plurality of secondary groups each having m primary groups, thus, groups of a low order being classified into groups of a higher order so that the group number of the maximum order becomes less than m. The port control units are corresponding to the order groups and are connected to one another in such a manner that lower order port control units are connected to higher order port control units. The port control units of the maximum order are connected to the diagnostic processor through a similar main port control unit and each of the primary control unit are connected to the system units. A specific one of the system unit numbers is supplied from the diagnostic processor to the primary port control units through port control units of the higher order control units so as to select a specific one of system units as a current diagnosed unit.
Journal Article•10.1007/BF02301839•
Recessional and Gulf war impacts on port development and shipping in the Gulf States in the 1980's

[...]

A. R. Walker
01 Apr 1989-GeoJournal
Patent•
Data transmission system with a link problem determination aid (LPDA) support for all ports

[...]

Frederic Bauchot1, Bruno Sappa1, Victor Spagnol1•
IBM1
28 Mar 1989
TL;DR: In this article, a data transmission system with means which enable the problem determination requests from any ports of the multiplex modems to be processed whereas only port A is provided with the LPDA facility.
Abstract: According to the invention, a data transmission system is provided with means which enable the problem determination requests from any ports of the multiplex modems (18) to be processed whereas only port A is provided with the LPDA facility. When a link event is detected on a port or when a solicited command is received from NetView in the host computer (10), the program NCP in the communication con­troller (16) checks with the associated LCB whether the involved port is port A. If is not port A, NCP looks for port A which has the same CORNUM as the involved port. Then, the LPDA message can be sent through port A and can reach the remote corresponding port A if necessary.
10.26021/8279•
Site investigations for residential development on the Port Hills, Christchurch.

[...]

Barry John McDowell
1 Jan 1989
The control and administration of Port Elizabeth's African population, c. 1834 - 1923.

[...]

Gary Baines
1 Jan 1989
Proceedings Article•10.1109/ICC.1989.49930•
Broadband business access: a services perspective on network termination unit port requirements

[...]

D. Wright1, M. To, H.-K. Au•
Ottawa University1
11 Jun 1989
TL;DR: An access architecture for broadband services is given which incorporates a network termination unit (NTU) with a number of ports to support a variety of services and indicates a clear market for broadband NTU ports by the latter half of the 1990s.
Abstract: An access architecture for broadband services is given which incorporates a network termination unit (NTU) with a number of ports to support a variety of services. The customer premises networks (CPNs) and the services which they carry are described from a user perspective and lead to a categorization of users into three occupational groups. The service demands of these groups are related to functional requirements for the different NTU ports in terms of bandwidth, symmetry, and interconnectivity. Most ports are shown to be symmetrical and to require interconnection with another port on the same NTU. The North American market for such ports during the latter half of the 1990s is investigated in the form of a case analysis of a typical city center: the urban core of Toronto. The analysis focuses on organizational sites with more than 100 employees as being large enough to justify broadband telecommunications access. The mix of ports is derived from the occupational mix. The results indicated a clear market for broadband NTU ports by the latter half of the 1990s. The number of 1.5-Mb/s ports exceeds the number of 45-Mb/s ports. Among the 45-Mb/s ports, video outnumber data, and among the 1.5 Mb/s ports, voice dominate. >
Journal Article•10.1002/J.1538-7305.1989.TB00308.X•
The universal port concept

[...]

Gary P. Austin1, Barry S. Bosik1, Christopher J. Capece1•
Bell Labs1
04 Mar 1989-AT&T technical journal
TL;DR: By means of this protocol, universal ports become the vehicle by which customers achieve the high degree of service flexibility, network control, and management offered by UIS.
Abstract: Universal ports (UPs) are the interfaces by which telecommunications services customers access the rich set of network capabilities provided by Universal Information Services (UIS). The most obvious manifestation of UPs is the physical outlet into which customers plug their voice, data, and integrated voice/data terminals. Behind the physical outlet is an advanced voice/data networking protocol with sophisticated signaling capabilities that give access to the UIS network intelligence. By means of this protocol, universal ports become the vehicle by which customers achieve the high degree of service flexibility, network control, and management offered by UIS.
Journal Article•10.1111/J.1467-9493.1989.TB00004.X•
An assessment of the annual variability of rainfall: port moresby, papua new guinea

[...]

Glenn R. McGregor1•
University of Papua New Guinea1
01 Jun 1989-Singapore Journal of Tropical Geography
...

Tools

SciSpace AgentBiomedical AgentSciSpace RecruitSciSpace for EnterpriseAgent GalleryChat with PDFLiterature ReviewAI WriterFind TopicsParaphraserCitation GeneratorExtract DataAI DetectorCitation Booster

Learn

ResourcesLive Workshops

SciSpace

CareersSupportBrowse PapersPricingSciSpace Affiliate ProgramCancellation & Refund PolicyTermsPrivacyData Sources

Directories

PapersTopicsJournalsAuthorsConferencesInstitutionsCitation StylesWriting templates

Extension & Apps

SciSpace Chrome ExtensionSciSpace Mobile App

Contact

support@scispace.com
SciSpace

© 2026 | PubGenius Inc. | Suite # 217 691 S Milpitas Blvd Milpitas CA 95035, USA

soc2
Secured by Delve