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Topic: Demultiplexer

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Inverse multiplexer

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	Encyclopedia: Multiplexer-demultiplexer (Site not responding. Last check: 2007-11-07)
		This would be typical where a multiplexer serves a number of IP network users and then feeds directly into a router which immediately reads the content of the entire link into its routing processor and then does the demultiplexing in memory from where it will be converted directly into IP packets.
		It is usual to combine a multiplexer and a demultiplexer together into one piece of equipment and simply refer to the whole thing as a "multiplexer".
		Demultiplexers take one data input and a number of selection inputs, and they have several outputs.
	www.nationmaster.com /encyclopedia/Multiplexer_demultiplexer (615 words)

	Self synchronized multiplexer/demultiplexer - Patent 4300232
		The demultiplexer of claim 4 further comprising means for inhibiting bit synchronizing signals that occur during the same time period as said word synchronizing signals.
		The demultiplexer decodes the serial data stream to cause a corresponding plurality of output signals to be sent which may correspond to controlling output devices in accordance with the input commands.
		The demultiplexer is self synchronized by a phase lock loop which regenerates the bit shifting clock signal from the word strobing signal coming over the strobe line.
	www.freepatentsonline.com /4300232.html (3247 words)

	Arrayed waveguide grating optical multiplexer/demultiplexer and method for manufacturing the same - US Patent 6816651 (Site not responding. Last check: 2007-11-07)
		In this arrayed waveguide grating optical multiplexer/demultiplexer, the wavelength resolution of the arrayed waveguide grating is in proportion to the length difference (ΔL) of the respective channel waveguides (4a) of the arrayed waveguide 4.
		Generally, as for the arrayed waveguide grating optical multiplexer/demultiplexer, the transmitting wavelength of the light (wavelength of the light to be demultiplexed or multiplexed) varies greatly in accordance with the change in the outside environmental temperature.
		Therefore, in general, it is difficult to prevent the deterioration in the characteristics, for example, radical change in loss, deterioration of adjacent crosstalk and the like due to the shift of the central wavelength, shift of the aforementioned optical transmitting wavelength (shift of center wavelength of the optical transmission) without temperature control or the like.
	www.patentstorm.us /patents/6816651.html (6114 words)

	World Intellectual Property Organization (Site not responding. Last check: 2007-11-07)
		The output ports of the time division demultiplexer are non-sequentially interleaved to the input ports of the encoders and the output ports of the encoders are sequentially interleaved to the input ports of the time division multiplexer.
		The data signals may be further demultiplexed, such as in the encoders or outside of the encoders.
		The output ports of the time division demultiplexer are non-sequentially interleaved to the input ports of the decoders and the output ports of the decoders are sequentially interleaved to the input ports of the time division multiplexer, in a manner analogous to that of the transmitter.
	www.wipo.int /ipdl/IPDL-CIMAGES/view/pct/getbykey5?KEY=03/73715.030904&ELEMENT_SET=DECL (3562 words)

	Inverse multiplexer - Wikipedia, the free encyclopedia
		An inverse multiplexer (often abbreviated to "inverse mux", "imux" or "demux") allows a data stream to be broken into multiple lower data rate communications links.
		An inverse multiplexor differs from a demultiplexer in that each of the low rate links coming from it is related to the other ones and they all work together to carry the same data.
		By contrast, the output streams from a demultiplexer may each be completely independent from eachother and the demultiplexer does not have to understand them in any way.
	en.wikipedia.org /wiki/Inverse_multiplexer (384 words)

	Zintec - Demultiplexer (Site not responding. Last check: 2007-11-07)
		Demultiplexing is a system of transmitting several messages or signals simultaneously on the same circuit or channel.
		A demultiplexer is an electronic device that separates a multiplex signal into its component parts.
		If the programme is not scrambled an alternate delay circuit is used so that in either case (scrambled or not) output comes at same time to the decoder.
	www.zintec.com /demultiplexer.html (212 words)

	DRA-MDM-11 : Analog Multiplexer/Demultiplexer System
		The multiplexed inputs are transferred to the demultiplexer unit (DRA-DM-11) at a scan rate of up to 1000 channels/sec up to a distance of 2 kilometers (1.2 miles).
		At the demultiplexer the current outputs are reproduced in the same order and magnitude as the inputs.
		The demultiplexer is provided with an alarm (flashing LED and dry contact output) which is operated whenever there is any interruption in communication due to mux failure, cable discontinuity or short-circuit.
	www.omega.com /ppt/pptsc.asp?ref=DRA-MDM-11 (184 words)

	Fast design method for a flat-top arrayed-waveguide-grating demultiplexer using the reciprocity theory
		The spectral response is calculated by reversal of the propagation direction of light in the AWG demultiplexer.
		When the special input structure in the optimization is adjusted, the distribution of the focused field (in the first FPR) excited by the modal field of the output waveguide remains unchanged and needs to be calculated only once.
		The optimal design of a parabolic waveguide horn for a flat-top AWG demultiplexer is given as a numerical example to illustrate the fast design method.
	www.osa-jon.org /abstract.cfm?URI=JON-2-12-402 (214 words)

	ZVBI Library: DVB VBI demultiplexer
		Demultiplexing of raw VBI data is not supported yet, raw data will be discarded.
		This function takes an arbitrary number of DVB PES data bytes, filters out PRIVATE_STREAM_1 packets, filters out valid VBI data units, converts them to vbi_sliced format and calls the vbi_dvb_demux_cb function given to vbi_dvb_pes_demux_new() when a new frame is complete.
		Pointer to newly allocated DVB demux context which must be freed with vbi_dvb_demux_delete() when done.
	zapping.sourceforge.net /doc/libzvbi/group__DVBDemux.html (453 words)

	Product Folder : SN74LS155A - Dual 2-Line To 4-Line Decoders/Demultiplexers
		These monolithic transistor-transistor-logic (TTL) circuits feature dual 1-line-to-4-line demultiplexers with individual strobes and common binary-address inputs in a single 16-pin package.
		When both sections are enabled by the strobes, the common binary-address inputs sequentially select and route associated input data to the appropriate output of each section.
		The inverter following the 1C data input permits use as a 3-to-8-line decoder or 1-to-8-line demultiplexer without external gating.
	focus.ti.com /docs/prod/folders/print/sn74ls155a.html (518 words)

	Demultiplexer
		With two, three, or four addressing lines, this circuit can decode a two, three, or four-bit binary number, or can demultiplex up to four, eight, or sixteen time-multiplexed signals.
		One exception to the binary nature of this circuit is the 4-to-10 line decoder/demultiplexer, which is intended to convert a BCD (Binary Coded Decimal) input to an output in the 0-9 range.
		If you use this circuit as a demultiplexer, you may want to add data latches at the outputs to retain each signal while the others are being transmitted.
	www.edaboard.com /ftopic93731.html (209 words)

	Asynchronous digital TDM multiplexer-demultiplexer combination - Patent 4488293
		The multiplexing and demultiplexing frame synchronization and automatic channel assignment is controlled by a programmable common controller so that the data bits of each of the N input data signals are distributed throughout the time slots of the transmitted and received data stream with equal spacing.
		For demultiplexing, the common controller 5 supplies strobes from generator 152 and distributor 153 to the twelve plug-in receptacles 1 which cause NRZ data of the group demultiplex bus to be distributed to the twelve printed circuit board plug-in receptacles 1.
		Receive demultiplexing is the reverse process of transmit multiplexing and requires that the destination of data from the 32 KHz group demultiplex data stream be determined for each time slot.
	www.freepatentsonline.com /4488293.html (14715 words)

	Project Journal - December 14th 2002
		Well, the output of the JK flip-flop has to take the value of its corresponding pin in the demultiplexer when the counter points at the appropriate address and the clock is on a high-to-low transition.
		At time 0t, the clock cycle is in the low state, and the output of the demultiplexer corresponds to the appropriate value in the received stream.
		When the counter points to a particular address in the demultiplexer, the demultiplexer changes its output to the corresponding pin and the present value of the Rx stream.
	www.rit.edu /~hcr2498/Journal/december_14th_2002.htm (737 words)

	Terahertz optical asymmetric demultiplexer (US5493433)
		An optical demultiplexer includes an optical loop having first and second terminals and a mid point.
		A non-linear optical element is positioned in the loop at a distance Δx from the mid point.
		"Demonstration of all-optical demultiplexing of TDM data at 250 Gbit/s" by I. Glesk, J. Sokoloff and P. Prucnal; Electronics Letters Feb. 17, 1994 vol.
	www.delphion.com /details?pn=US05493433__ (573 words)

	Greeneridge Sciences, Inc. - DIFAR Hardware (Site not responding. Last check: 2007-11-07)
		Originally, the circuit design was based on the demultiplexer described in the Naval Surface Warfare Center report TR 86- 220, "Further Improvements to a DIFAR Multiplexer-Demultiplexer System", by Arthur D. Delagrange, 1 Sept 1986 (NTIS AD-A177975).
		If there is good filtering in the multiplexed signal, and the input to the demultiplexer has a clean 7.5 kHz pilot tone, the demultiplexer should work well with the wider audio bandwidth.
		The demultiplexer expects a level of 100 mv (rms) (-20 dBV) for each subcarrier, 7.5 and 15 kHz.
	www.greeneridge.com /hardware.html (630 words)

	Demultiplexer < Objects < Help < ABox (Site not responding. Last check: 2007-11-07)
		The demultiplexer routes the input to one of two outputs using a switch input.
		It can be set as a demultiplexer or a pan.
		Unlike a digital demultiplexer, this object scales it's output with the value at the S pin.
	www.andyware.com /abox/help/objects/dplex.html (70 words)

	DRS Technologies Inc. - WJ-9548 Digital FDM Demultiplexer
		The WJ-9548 is a compact, multichannel Frequency Division Demultiplexer that incorporates the accuracy and repeatability of Digital Signal Processing (DSP) to achieve exceptional amplitude and group delay characteristics.
		An analog tuner in the front end of each channel demodulator permits a high-resolution analog-to-digital converter and a significant degree of filtering prior to the sampling process.
		The WJ-9548 merges analog and digital techniques to achieve significant performance enhancements relative to demultiplexer implementations which are purely analog or digital.
	www.drs.com /products/index.cfm?gID=17&cID=79&productID=644 (279 words)

	Demultiplexer (Site not responding. Last check: 2007-11-07)
		The demultiplexer is the inverse of the multiplexer, in that it takes a single data input and
		The address input determine which data output is going to have the same value as the data input.
		Here is an abbreviated truth table for the demultiplexer.
	dept-info.labri.u-bordeaux.fr /~strandh/Teaching/AMP/Common/Strandh-Tutorial/demultiplexer.html (206 words)

	Data demultiplexer (US5521922)
		A data demultiplexer for separating multiplex data including at least coded video data, coded audio data, timing data indicative of a video decoding start time, timing data indicative of an audio decoding start time, and timing data indicative of a system clock reference time.
		The demultiplexer comprises a circuit for separating the multiplex data into the component data, and comparators for comparing input data with the reference timing data.
		A data demultiplexer for separating multiplex data which includes at least first coded data, first timing data indicative of a decoding start time of the first coded data, and second timing data indicative of a system clock reference time, said demultiplexer comprising:
	www.delphion.com /details?pn10=US05521922 (429 words)

	The 1-to-2 Line Decoder/Demultiplexer
		If you were to construct both circuits on a single breadboard, connect the multiplexer output to the data IN of the demultiplexer, and drive the (A)ddress inputs of both circuits with the same signal, you would find that the initial X0 input would be transmitted to OUT
		Like multiplexers, demultiplexers are not limited to two data signals.
		The demonstration of the 2-to-4 line decoder/demultiplexer is much smaller than the demo for the four-input multiplexer, because it has fewer independent input signals.
	www.play-hookey.com /digital/decoder_demux_two.html (498 words)

	ZVBI Library: Teletext IDL packet demultiplexer
		IDL Format A flag (EN 300 708 section 6.5.2): The data may require the use of data in other channels or with other service packet addresses as defined by the application.
		IDL demultiplexer returned by vbi_idl_a_demux_new() and given to vbi_idl_demux_feed().
		Pointer to newly allocated IDL demultiplexer which must be freed with vbi_idl_demux_delete() when done.
	zapping.sourceforge.net /doc/libzvbi/group__IDLDemux.html (272 words)

	Wavelength division multiplexing/demultiplexing devices using dual high index of refraction crystalline lenses ... (Site not responding. Last check: 2007-11-07)
		Optical device for use as a multiplexer or demultiplexer in accordance with the diffraction grating principle
		B. Metcalf et al., High-capacity wavelength demultiplexer with a large-diameter GRIN rod lens, Applied Optics, vol.
		A. Koonen, A Compact Wavelength Demultiplexer Using Both Interference Filters and a Diffraction Grating, European Conference of Optical Communication, Conference Proceedings (Sep. 8-11,1981).
	www.delphion.com /details?pn=US06289155__ (1322 words)

	Elecard \| Products \| MPEG2 Demultiplexer (Site not responding. Last check: 2007-11-07)
		The Moonlight-Elecard MPEG2 Demultiplexer provides two different seeking mechanisms, based on Presentation Time Stamps (PTS) or on bit rate from file sequence header.
		Moonlight Cordless Ltd, a company of Israel, has acquired all Elecard MPEG-related projects, intellectual property and staff as of December 1, 2000.
		Demultiplexer creates one output pin for each elementary stream, which were found in input stream.
	www.elecard.ru /products/mpeg2demuxer.shtml (266 words)

	SecuriTeam.com ™ - Stack Overflow in AIFF Demultiplexer
		A stack buffer overflow vulnerability in the AIFF demultiplexer has been found by Ariel Berkman and was reported to the xine team by D. Bernstein
		It should also be noted that due to xine-lib's way of detecting file formats by querying each available demultiplexer in turn, this problem is not limited to AIFF files.
		Since the involved xine plugin is part of the standard xine installation and the vulnerability can be used directly to write attacker-chosen code on the stack, we consider this problem to be critical.
	www.securiteam.com /unixfocus/6C00P2KC0O.html (383 words)

	Peterson
		First remove all chest output connectors from their Demultiplexer/ Driver(s) and unplug the Class II Transformer or disconnect the wires from the Console AC Control System's "OrgaPlex 12 VAC" screw terminals.
		After all of the desired coupling and unification or borrowing has been accomplished, the appropriate outputs of Coupler/Unit Register boards are connected, through the main cable, to their proper Demultiplexer/Driver(s) in the chamber.
		Unplug the output connector from the Demultiplexer in question and "key" the chest with a wire from the organ positive.
	www.petersonemp.com /products/quicksearch/peterson_systems/manuals/html/orgatek.cfm (4382 words)

	BRAVOnet (Site not responding. Last check: 2007-11-07)
		Can be used with VPG8802 or VPG9500 for up-stream multiplexing of audio, data or multiple ASI streams.
		~ Four-channel ASI multiplexer / demultiplexer with fiber optic interface (when fitted).
		All BRAVOnet™ fiber optic modules can be fitted with WDM optics as an option.
	www.vpginc.com /Bravonet.htm (1244 words)

	Class jcsp.util.buildingblocks.Demultiplexer (Site not responding. Last check: 2007-11-07)
		The Demultiplexer class is a process which has an infinite loop that waits for an Integer to be sent down the in Channel, upon receiving an Integer it will then wait for an Object of any type to be sent down the in Channel.
		The Integer will be used as an index to the out Channels array, the Object will then be written down this Channel.
		Construct a new Demultiplexer process with the input Channel in and the output Channels out.
	www.cs.kent.ac.uk /projects/ofa/jcsp0-5/docs/jcsp.util.buildingblocks.Demultiplexer.html (186 words)

	National P/N 54F139 - Dual 1-of-4 Decoder/Demultiplexer (Site not responding. Last check: 2007-11-07)
		The device has two independent decoders, each accepting two inputs and providing four mutually exclusive active LOW outputs.
		Each decoder has an active LOW Enable input which can be used as a data input for a 4-output demultiplexer.
		Each half of the 'F139 can be used as a function generator providing all four minterms of two variables.
	www1.national.com /pf/54/54F139.html (132 words)

	Microsoft DirectX DirectShow MPEG-2 Demultiplexer (Site not responding. Last check: 2007-11-07)
		The MPEG-2 Demultiplexer ("demux") filter demultiplexes MPEG-2 transport and program streams that are delivered in push-mode.
		This filter can be used in any type of filter graph, including a BDA digital TV filter graph.
		Note The MPEG-2 Demultiplexer does not support frame-accurate seeking.
	msdn.microsoft.com /library/en-us/directshow/htm/mpeg2demultiplexer.asp (190 words)

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