JPS57500763A - - Google Patents

Info

Publication number
JPS57500763A
JPS57500763A JP56502411A JP50241181A JPS57500763A JP S57500763 A JPS57500763 A JP S57500763A JP 56502411 A JP56502411 A JP 56502411A JP 50241181 A JP50241181 A JP 50241181A JP S57500763 A JPS57500763 A JP S57500763A
Authority
JP
Japan
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.)
Granted
Application number
JP56502411A
Other versions
JPH0332253B2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS57500763A publication Critical patent/JPS57500763A/ja
Publication of JPH0332253B2 publication Critical patent/JPH0332253B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Communication Control (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Transmitters (AREA)
JP56502411A 1980-06-05 1981-05-21 Expired JPH0332253B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/156,869 US4419756A (en) 1980-06-05 1980-06-05 Voiceband data set

Publications (2)

Publication Number Publication Date
JPS57500763A true JPS57500763A (ja) 1982-04-30
JPH0332253B2 JPH0332253B2 (ja) 1991-05-10

Family

ID=22561436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56502411A Expired JPH0332253B2 (ja) 1980-06-05 1981-05-21

Country Status (7)

Country Link
US (3) US4419756A (ja)
EP (1) EP0053629B1 (ja)
JP (1) JPH0332253B2 (ja)
AU (1) AU542156B2 (ja)
CA (2) CA1175523A (ja)
DE (1) DE3176653D1 (ja)
WO (1) WO1981003559A1 (ja)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4398299A (en) * 1980-10-10 1983-08-09 Bell Telephone Laboratories, Incorporated Data set network diagnostic system
DE3223383A1 (de) * 1982-06-23 1983-12-29 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover Elektronische steuerung
US4691342A (en) * 1983-09-09 1987-09-01 Cts Corporation Multi-speed, full duplex modem
US4578796A (en) * 1983-11-03 1986-03-25 Bell Telephone Laboratories, Incorporated Programmable multiple type data set
US4697281A (en) 1986-03-14 1987-09-29 Spectrum Cellular Communications Corporation, Inc. Cellular telephone data communication system and method
USRE37141E1 (en) 1984-09-10 2001-04-17 Spectrum Information Technologies, Inc. Cellular telephone data communication system and method
US4841437A (en) * 1985-09-18 1989-06-20 Lp Com System architecture for a test apparatus having primary and dependent processors
US4922534A (en) * 1985-11-18 1990-05-01 General Datacomm, Inc. Intelligent synchronous modem and communication system incorporating the same
US4815128A (en) * 1986-07-03 1989-03-21 Motorola, Inc. Gateway system and method for interconnecting telephone calls with a digital voice protected radio network
US4920567A (en) * 1986-07-03 1990-04-24 Motorola, Inc. Secure telephone terminal
US5206949A (en) * 1986-09-19 1993-04-27 Nancy P. Cochran Database search and record retrieval system which continuously displays category names during scrolling and selection of individually displayed search terms
WO1988002147A1 (en) * 1986-09-19 1988-03-24 Cochran Nancy P Display driven data base search system with a variable search term display system
US4879648A (en) * 1986-09-19 1989-11-07 Nancy P. Cochran Search system which continuously displays search terms during scrolling and selections of individually displayed data sets
US4771449A (en) * 1986-12-01 1988-09-13 Comfab, Inc. Data station termination circuit
US5040131A (en) * 1987-12-23 1991-08-13 International Business Machines Corporation Graphical processing
USRE38645E1 (en) 1989-01-19 2004-11-02 Mlr, Llc Portable hybrid communication system and methods
US4972457A (en) 1989-01-19 1990-11-20 Spectrum Information Technologies, Inc. Portable hybrid communication system and methods
US5051892A (en) * 1989-02-09 1991-09-24 International Business Machines Corp. Full duplex conversation between transaction programs
US5053949A (en) * 1989-04-03 1991-10-01 Motorola, Inc. No-chip debug peripheral which uses externally provided instructions to control a core processing unit
US5127041A (en) * 1990-06-01 1992-06-30 Spectrum Information Technologies, Inc. System and method for interfacing computers to diverse telephone networks
US5842029A (en) * 1991-10-17 1998-11-24 Intel Corporation Method and apparatus for powering down an integrated circuit transparently and its phase locked loop
US5249218A (en) * 1992-04-06 1993-09-28 Spectrum Information Technologies, Inc. Programmable universal interface system
US5473767A (en) * 1992-11-03 1995-12-05 Intel Corporation Method and apparatus for asynchronously stopping the clock in a processor
US5550836A (en) * 1992-11-06 1996-08-27 Hewlett-Packard Company High speed data transfer over twisted pair cabling
US5657455A (en) * 1994-09-07 1997-08-12 Adaptec, Inc. Status indicator for a host adapter
JPH08181688A (ja) * 1994-12-26 1996-07-12 Victor Co Of Japan Ltd 時間情報符号化復号化装置並びに符号化装置及び復号化装置
US5834956A (en) 1995-12-29 1998-11-10 Intel Corporation Core clock correction in a 2/N mode clocking scheme
US5802132A (en) * 1995-12-29 1998-09-01 Intel Corporation Apparatus for generating bus clock signals with a 1/N characteristic in a 2/N mode clocking scheme
US5821784A (en) * 1995-12-29 1998-10-13 Intel Corporation Method and apparatus for generating 2/N mode bus clock signals
US5826067A (en) * 1996-09-06 1998-10-20 Intel Corporation Method and apparatus for preventing logic glitches in a 2/n clocking scheme
US5862373A (en) * 1996-09-06 1999-01-19 Intel Corporation Pad cells for a 2/N mode clocking scheme
US6061391A (en) * 1997-02-28 2000-05-09 Fujitsu Limited Error indicator, and data modulator-demodulator and indicating method of light emitter therein
US6266379B1 (en) * 1997-06-20 2001-07-24 Massachusetts Institute Of Technology Digital transmitter with equalization
US6385738B1 (en) * 1998-04-17 2002-05-07 Advanced Micro Devices, Inc. System for testing transmitter logic of a physical layer device in a local area network
US7646802B2 (en) * 2003-06-02 2010-01-12 Qualcomm Incorporated Communication receiver with hybrid equalizer
US7301998B2 (en) * 2003-12-19 2007-11-27 Intel Corporation Filter with signal taps temporally spaced at fractional symbol intervals
US7561619B2 (en) * 2003-12-19 2009-07-14 Intel Corporation Feedback filter
US20050135468A1 (en) * 2003-12-19 2005-06-23 Bhushan Asuri Feed forward filter
US7886175B1 (en) * 2008-03-05 2011-02-08 Juniper Networks, Inc. Delaying one-shot signal objects
US8199515B2 (en) * 2009-12-22 2012-06-12 International Business Machines Corporation DIMM riser card with an angled DIMM socket and a straddled mount DIMM socket

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53129532A (en) * 1977-04-18 1978-11-11 Sanyo Electric Co Ltd Transmitter

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US30037A (en) * 1860-09-18 Mode of attaching horses to vehicles
US3699525A (en) * 1970-11-27 1972-10-17 Honeywell Inf Systems Use of control words to change configuration and operating mode of a data communication system
US4071889A (en) * 1973-07-28 1978-01-31 Mitsubishi Denki Kabushiki Kaisha Central processing apparatus for generating and receiving time division multiplex signals
FR2275944A1 (fr) * 1974-06-21 1976-01-16 Suchard Jean Systeme de transmission de messages entre plusieurs stations
US3920975A (en) 1974-11-14 1975-11-18 Rockwell International Corp Data communications network remote test and control system
US4014004A (en) * 1975-08-04 1977-03-22 Harris Corporation Automatic report register
US4071887A (en) * 1975-10-30 1978-01-31 Motorola, Inc. Synchronous serial data adaptor
US4093981A (en) * 1976-01-28 1978-06-06 Burroughs Corporation Data communications preprocessor
US4085449A (en) * 1976-11-26 1978-04-18 Paradyne Corporation Digital modem
US4270202A (en) * 1977-05-11 1981-05-26 Racal-Milgo, Inc. Modem with automatic port reconfiguration apparatus
US4156931A (en) * 1978-05-25 1979-05-29 Digital Equipment Corporation Digital data communications device with standard option connection
US4263670A (en) * 1979-05-11 1981-04-21 Universal Data Systems, Inc. Microprocessor data modem

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53129532A (en) * 1977-04-18 1978-11-11 Sanyo Electric Co Ltd Transmitter

Also Published As

Publication number Publication date
EP0053629B1 (en) 1988-02-17
AU7417381A (en) 1981-12-21
EP0053629A1 (en) 1982-06-16
WO1981003559A1 (en) 1981-12-10
AU542156B2 (en) 1985-02-07
DE3176653D1 (en) 1988-03-24
CA1175523A (en) 1984-10-02
USRE33380E (en) 1990-10-09
EP0053629A4 (en) 1982-11-08
US4419756A (en) 1983-12-06
CA1175124A (en) 1984-09-25
USRE36673E (en) 2000-04-25
JPH0332253B2 (ja) 1991-05-10

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