GB1415250A - Communication system - Google Patents

Communication system

Info

Publication number
GB1415250A
GB1415250A GB4843473A GB4843473A GB1415250A GB 1415250 A GB1415250 A GB 1415250A GB 4843473 A GB4843473 A GB 4843473A GB 4843473 A GB4843473 A GB 4843473A GB 1415250 A GB1415250 A GB 1415250A
Authority
GB
United Kingdom
Prior art keywords
duration
signal
pulse
analogue
digital
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.)
Expired
Application number
GB4843473A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Physics International Co
Original Assignee
Physics International Co
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 by Physics International Co filed Critical Physics International Co
Publication of GB1415250A publication Critical patent/GB1415250A/en
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Analogue/Digital Conversion (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
GB4843473A 1972-10-30 1973-10-17 Communication system Expired GB1415250A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/302,196 US3959586A (en) 1972-10-30 1972-10-30 Frequency burst communication system

Publications (1)

Publication Number Publication Date
GB1415250A true GB1415250A (en) 1975-11-26

Family

ID=23166696

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4843473A Expired GB1415250A (en) 1972-10-30 1973-10-17 Communication system

Country Status (7)

Country Link
US (1) US3959586A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4995526A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA999646A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2353782A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2204923B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1415250A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7313938A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2721993C3 (de) * 1977-05-14 1980-09-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zum Übertragen von digitalen Gleichstromsignalen mittels Trägerschwingungen vorgegebener Frequenz
US4614918A (en) * 1980-10-27 1986-09-30 The United States Of America As Represented By The Secretary Of The Navy Frequency generator with digitally controlled phase modulation
WO1984003672A1 (fr) * 1983-03-14 1984-09-27 Walter Jaeger Procede pour augmenter le nombre de signaux pouvant etre transmis d'une station au sol a un vehicule sur rails
US4710919A (en) * 1983-10-21 1987-12-01 International Teldata Corporation Multiplex system for automatic meter reading
US5864582A (en) * 1997-02-24 1999-01-26 Ford Global Technologies, Inc. Pulse width extension with analog command
US7346125B2 (en) * 2002-04-23 2008-03-18 Raytheon Company Method and device for pulse shaping QPSK signals
CA2410697A1 (en) * 2002-10-31 2004-04-30 Canac Inc. Method and apparatus implementing a communication protocol for use in a control system
JP4342552B2 (ja) * 2004-02-24 2009-10-14 Ｔｄｋ株式会社 パルス波レーダー装置
US7492298B2 (en) * 2007-04-09 2009-02-17 Infineon Technologies Ag System having a signal converter device and method of operating
FR3020733A1 (fr) * 2014-04-30 2015-11-06 Jean Pierre Georges Armand Crepin Systeme de transmission d'informations augmentant la capacite de transmission pour internet et en radio et diminuant l'encombrement spectral en radio
FR3026906A1 (fr) * 2014-10-01 2016-04-08 Jean Pierre Georges Armand Crepin Systeme de transmission d'informations augmentant la capacite de transmission pour internet et en radio et diminuant l'encombrement spectral
US10345445B2 (en) * 2015-11-02 2019-07-09 Semiconductor Components Industries, Llc Circuit for acoustic distance measuring

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL255135A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1959-08-26
US3048784A (en) * 1959-10-09 1962-08-07 Westinghouse Electric Corp Binary input-a. c. wave output selector using bipolar generator, integrator, and low pass filter
GB871544A (en) * 1960-02-17 1961-06-28 Electricite De France Improvements in electric analogue integrators
US3281828A (en) * 1962-09-17 1966-10-25 Nippon Electric Co Encoder with non-linear quantization
US3281806A (en) * 1962-12-21 1966-10-25 Honeywell Inc Pulse width modulation representation of paired binary digits
GB1060836A (en) * 1963-12-10 1967-03-08 Standard Telephones Cables Ltd Improvements in or relating to electrical circuits
US3337691A (en) * 1964-10-05 1967-08-22 Itt Multiplex digital communication system
US3404231A (en) * 1965-01-05 1968-10-01 Bell Telephone Labor Inc Framing of pulse code transmission systems by use of an added tone signal
US3471646A (en) * 1965-02-08 1969-10-07 Motorola Inc Time division multiplex system with prearranged carrier frequency shifts
US3340476A (en) * 1965-03-23 1967-09-05 Int Research & Dev Co Ltd Sine wave synthesis circuit
US3406255A (en) * 1965-06-02 1968-10-15 Automatic Elect Lab Data transmission techniques using orthogonal fm signal
US3524023A (en) * 1966-07-14 1970-08-11 Milgo Electronic Corp Band limited telephone line data communication system
US3522539A (en) * 1967-08-08 1970-08-04 Us Navy System for demodulating digital data information contained in frequency shift keyed signals
US3609728A (en) * 1969-01-21 1971-09-28 Ball Corp Portable remote location measuring system utilizing pulse width modulation
US3602735A (en) * 1969-10-01 1971-08-31 Sylvania Electric Prod Pulse shaping circuit for use in integrated circuit networks
US3667046A (en) * 1969-10-09 1972-05-30 Magnavox Co Voice transmission and receiving system employing pulse duration modulations with a suppressed clock
US3715510A (en) * 1970-09-25 1973-02-06 Computer Instr Corp Method and apparatus for handling data from a plurality of channels
US3725578A (en) * 1971-06-25 1973-04-03 Bell Telephone Labor Inc Digital video receivers
US3899637A (en) * 1974-02-08 1975-08-12 Westinghouse Electric Corp Frequency shift keyed communications device

Also Published As

Publication number Publication date
CA999646A (en) 1976-11-09
US3959586A (en) 1976-05-25
DE2353782A1 (de) 1974-05-09
FR2204923A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-05-24
NL7313938A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-05-02
JPS4995526A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-09-10
FR2204923B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-05-12

Similar Documents

Publication Publication Date Title
GB1415250A (en) Communication system
SE8503057D0 (sv) Datamottagare for upptecknad data
GB1436918A (en) System for modulating a carrier wave by a digital data signal and reproducing the data signal
US4124869A (en) System for the digital clamping of periodic, binary encoded signals
ES425145A1 (es) Un metodo para convertir una senal de datos en codigo bina-rio en otra senal en codigo de dos impulsos con la misma po-laridad y otros dos con polaridad opuesta por cada bit.
GB1386923A (en) Transmitting apparatus for generating converting and transmitting signals and receiving apparatus for use therewith
GB1208774A (en) Improvements in or relating to delta-modulation telecommunications apparatus
MY106822A (en) Digital fm synthesizer for record circuitry.
GB1236749A (en) Television system
GB1374043A (en) Pulse code modulation transmission system
US3530435A (en) Telemetering decoder system
GB1241374A (en) Keying arrangement
KR860000753A (ko) 신호 변환 장치 및 그 방법
GB1432373A (en) Apparatus for producing digised signals for defining an amplitude modulated sub-carrier
GB1170727A (en) Improvements in or relating to Converters
JPS5936465A (ja) デイジタルデ−タ送受信方式
GB1506559A (en) Data transmission systems
GB1519972A (en) Data transmission system
DE3467282D1 (en) Circuit for digitally encoding an analogous colour television signal
JPS55102966A (en) Half-tone reproduction circuit for facsimile or the like
RU1827709C (ru) Цифровой частотный детектор
FR2243558A1 (en) Analogue-digital converter using operational amplifier - for pulse code modulation telephone signals
SU428567A1 (ru) Устройство уплотнения линии связи и разделения сигналов с широтно-импульсноймодуляцией
KR930004035B1 (ko) 디지틀 녹음안내장치의 음성감시 및 녹음기능 정합회로
GB1460898A (en) Code modulation transmission system

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee