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Marine Electronics
Marine electronics refers to electronics devices designed and classed for use in the marine (ocean), marine environment on board ships and yachts where even a small amount of salt water can destroy some electronics devices. Therefore, the majority of these types of devices are either water resistant or waterproof. Marine electronics devices include chartplotter, marine VHF radio, autopilot and self-steering gear, fishfinder and sonar, marine radar, satellite navigation device, fibre optic gyrocompass, satellite television, and marine fuel management. Communication The electronics devices communicate by using a protocol defined by National Marine Electronics Association(NMEA), with two standards available, NMEA 0183 (serial communication network) and NMEA 2000 (controller-area network based technology). There is also IEC 61162, Lightweight Ethernet (LWE). In recent years, the International Electrotechnical Commission, International Electrotechnical Commission (IEC) has created a new ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electronics
Electronics is a scientific and engineering discipline that studies and applies the principles of physics to design, create, and operate devices that manipulate electrons and other Electric charge, electrically charged particles. It is a subfield of physics and electrical engineering which uses Passivity (engineering), active devices such as transistors, diodes, and integrated circuits to control and amplify the flow of electric current and to convert it from one form to another, such as from alternating current (AC) to direct current (DC) or from analog signal, analog signals to digital signal, digital signals. Electronic devices have significantly influenced the development of many aspects of modern society, such as telecommunications, entertainment, education, health care, industry, and security. The main driving force behind the advancement of electronics is the semiconductor industry, which continually produces ever-more sophisticated electronic devices and circuits in respo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Serial Communication
In telecommunication and data transmission, serial communication is the process of sending data one bit at a time, sequentially, over a communication channel or computer bus. This is in contrast to parallel communication, where several bits are sent as a whole, on a link with several parallel channels. Serial communication is used for all long-haul communication and most computer networks, where the cost of cable and difficulty of synchronization make parallel communication impractical. Serial computer buses have become more common even at shorter distances, as improved signal integrity and transmission speeds in newer serial technologies have begun to outweigh the parallel bus's advantage of simplicity (no need for serializer and deserializer, or SerDes) and to outstrip its disadvantages (clock skew, interconnect density). The migration from PCI to PCI Express (PCIe) is an example. Modern high speed serial interfaces such as PCIe send data several bits at a time using m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RS-422
RS-422, also known as TIA/EIA-422, is a technical standard originated by the Electronic Industries Alliance, first issued in 1975, that specifies the electrical characteristics of a digital signaling circuit. It was meant to be the foundation of a suite of standards that would replace the older RS-232C standard with standards that offered much higher speed, better immunity from noise, and longer cable lengths. RS-422 systems can transmit data at rates as high as 10 Mbit/s, or may be sent on cables as long as at lower rates. It is closely related to RS-423, which uses the same signaling systems but on a different wiring arrangement. RS-422 specifies differential signaling, with every data line paired with a dedicated return line. It is the voltage difference between these two lines that defines the mark and space, rather than, as in RS-232, the difference in voltage between a data line and a local ground. As the ground voltage can differ at either end of the cable, this requ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Simplex Communication
A duplex communication system is a Point-to-point (telecommunications), point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions. Duplex systems are employed in many communications networks, either to allow for simultaneous communication in both directions between two connected parties or to provide a reverse path for the monitoring and remote adjustment of equipment in the field. There are two types of duplex communication systems: full-duplex (FDX) and half-duplex (HDX). In a full-duplex system, both parties can communicate with each other simultaneously. An example of a full-duplex device is plain old telephone service; the parties at both ends of a call can speak and be heard by the other party simultaneously. The earphone reproduces the speech of the remote party as the microphone transmits the speech of the local party. There is a two-way communication channel between them, or more strictly speaking, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ASCII
ASCII ( ), an acronym for American Standard Code for Information Interchange, is a character encoding standard for representing a particular set of 95 (English language focused) printable character, printable and 33 control character, control characters a total of 128 code points. The set of available punctuation had significant impact on the syntax of computer languages and text markup. ASCII hugely influenced the design of character sets used by modern computers; for example, the first 128 code points of Unicode are the same as ASCII. ASCII encodes each code-point as a value from 0 to 127 storable as a seven-bit integer. Ninety-five code-points are printable, including digits ''0'' to ''9'', lowercase letters ''a'' to ''z'', uppercase letters ''A'' to ''Z'', and commonly used punctuation symbols. For example, the letter is represented as 105 (decimal). Also, ASCII specifies 33 non-printing control codes which originated with ; most of which are now obsolete. The control cha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RS-232
In telecommunications, RS-232 or Recommended Standard 232 is a standard introduced in 1960 for serial communication transmission of data. It formally defines signals connecting between a ''DTE'' (''data terminal equipment'') such as a computer terminal or PC, and a ''DCE'' ('' data circuit-terminating equipment'' or '' data communication equipment''), such as a modem. The standard defines the electrical characteristics and timing of signals, the meaning of signals, and the physical size and pinout of connectors. The current version of the standard is ''TIA-232-F Interface Between Data Terminal Equipment and Data Circuit-Terminating Equipment Employing Serial Binary Data Interchange'', issued in 1997. The RS-232 standard had been commonly used with serial ports and serial cables. It is still widely used in industrial communication devices. A serial port complying with the RS-232 standard was once a standard feature of many types of computers. Personal computers used them ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stowe Marine
Stowe Marine is a developer and manufacturer of advanced instrumentation systems for racing and cruising sailing yachts. Introduction Stowe instruments can be found on many of the world's leading sailing yachts, such as Velsheda. Stowe is now based in Lymington on the south coast of England. History The company was founded in the 1970s by Alan Cozens in a shed in his back garden in Rowlands Castle, Hampshire, England. The first product which proved very popular was the Trailing Log, a portable battery powered instrument that measures boat speed and distance run. Thousands of these early instruments are still in use today. Over the course of the 1980s and 1990s Stowe extended its activities into Integrated Instruments, Autopilots and Navigation Plotters. As a company Stowe has changed hands a number of times during its 25+ year lifetime, and is now a subsidiary of Tinley Electronics, the Lymington based marine electronics service company. Stowe however remains headquartered ju ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Simrad Yachting
Navico is a marine electronics company providing navigation, marine instruments and fish finding equipment to both the recreational and commercial marine sectors. The Navico Recreational Marine Division is one of the world's largest provider of leisure marine electronic products. Lowrance is aimed at fishing, particularly in freshwater and near coastal areas. Simrad Yachting is focused on powerboat owners for cruising and sportfishing and B&G serves the sailing market. The Simrad Commercial Marine Electronics division also offers navigation products for the commercial market, while C-MAP provides cartography and digital products to both recreational and commercial markets. Navico has its headquarters in Egersund, Norway, and the group has manufacturing facilities in the United States, UK, Norway, Mexico and New Zealand. History 20th century: Predecessors In 1946 Simonsen Radio was founded by Willy Simonsen (NOR) leading the development of echo-sounding equipment. Simrad Ya ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Raymarine Marine Electronics
Raymarine is a manufacturer and major supplier of electronic equipment for marine use. The company targets both recreational and light commercial markets with their products, which include: * GPS Chartplotters * VHF Radios *Digital Fishfinders / Sonar *Radar * Self-steering gear (Autohelm / Autopilot) *Satellite television *Software The Raymarine brand has been on the market for over 80 years. Within this time, their product range has included visual navigation information equipment. Their products work with performance sensors that operate along with intelligence operating systems. Raymarine has a global service network that operates in over 80 countries all over the world. Until 2005, the company manufactured the majority of its products, but then started outsourcing the production process. A year later the company declared to have completed this reorganization. The company focuses on development, marketing, sales and service. Raymarine has been taking charge of the distributi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Furuno
(commonly known as Furuno) is a Japanese electronics company whose main products are marine electronics, including marine radar systems, fish finders, and navigational instruments. The company also manufactures global positioning systems and medical equipment, and entered the weather radar market in 2013. History Furuno Electric Shokai was founded in Nagasaki, Japan in 1948. The same year, Furuno commercialized the world's first practical fish finder. Manufacturing continued to ramp up as the decade came to a close, and by the mid-1950s, Furuno was producing various Marine supplements, such as early examples of commercial Marine radars. In 1973, Furuno created an early iteration of satellite positioning receivers for vessels at sea. Later that decade, Furuno entered the United States market, establishing an HQ in the United States as Furuno USA. Following this expansion and continued growth, Furuno continued expanding their marine-based radar products. In 2009, Furuno acqu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Communications Protocol
A communication protocol is a system of rules that allows two or more entities of a communications system to transmit information via any variation of a physical quantity. The protocol defines the rules, syntax, semantics (computer science), semantics, and synchronization of communication and possible Error detection and correction, error recovery methods. Protocols may be implemented by Computer hardware, hardware, software, or a combination of both. Communicating systems use well-defined formats for exchanging various messages. Each message has an exact meaning intended to elicit a response from a range of possible responses predetermined for that particular situation. The specified behavior is typically independent of how it is to be Implementation, implemented. Communication protocols have to be agreed upon by the parties involved. To reach an agreement, a protocol may be developed into a technical standard. A programming language describes the same for computations, so there ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Electrotechnical Commission
The International Electrotechnical Commission (IEC; ) is an international standards organization that prepares and publishes international standards for all electrical, electronics, electronic and related technologies. IEC standards cover a vast range of technologies from power generation, transmission and distribution to home appliances and office equipment, semiconductors, fibre optics, batteries, solar energy, nanotechnology, and marine energy, as well as many others. The IEC also manages four global conformity assessment systems that certify whether equipment, system or components conform to its international standards. All electrotechnologies are covered by IEC Standards, including energy production and distribution, electronics, magnetics and electromagnetics, electroacoustics, multimedia, telecommunications and medical technology, as well as associated general disciplines such as terminology and symbols, electromagnetic compatibility, measurement and performance, dependa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
