BR8301828A - Transmissor previsto para transmitir sinais de frequencia-modulada - Google Patents

Transmissor previsto para transmitir sinais de frequencia-modulada

Info

Publication number
BR8301828A
BR8301828A BR8301828A BR8301828A BR8301828A BR 8301828 A BR8301828 A BR 8301828A BR 8301828 A BR8301828 A BR 8301828A BR 8301828 A BR8301828 A BR 8301828A BR 8301828 A BR8301828 A BR 8301828A
Authority
BR
Brazil
Prior art keywords
modulated frequency
transmit modulated
transmitter intended
frequency signs
signs
Prior art date
Application number
BR8301828A
Other languages
English (en)
Inventor
Kah-Seng Chung
Leo Eduard Zegers
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BR8301828A publication Critical patent/BR8301828A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nonlinear Science (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BR8301828A 1982-04-13 1983-04-11 Transmissor previsto para transmitir sinais de frequencia-modulada BR8301828A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8201533A NL8201533A (nl) 1982-04-13 1982-04-13 Een zender ingericht voor het zenden van fm gemoduleerde signalen.

Publications (1)

Publication Number Publication Date
BR8301828A true BR8301828A (pt) 1983-12-20

Family

ID=19839570

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8301828A BR8301828A (pt) 1982-04-13 1983-04-11 Transmissor previsto para transmitir sinais de frequencia-modulada

Country Status (13)

Country Link
US (1) US4531221A (pt)
JP (1) JPS58187048A (pt)
AU (1) AU556010B2 (pt)
BE (1) BE896425A (pt)
BR (1) BR8301828A (pt)
CA (1) CA1221740A (pt)
CH (1) CH661626A5 (pt)
DE (1) DE3312849A1 (pt)
FR (1) FR2525054B1 (pt)
GB (1) GB2118406B (pt)
IT (1) IT1170123B (pt)
NL (1) NL8201533A (pt)
SE (2) SE8301977L (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0834408B2 (ja) * 1983-12-23 1996-03-29 ソニー株式会社 Ｉｉｒデイジタルフイルタ
EP0181953B1 (de) * 1984-11-16 1991-03-20 Deutsche ITT Industries GmbH Interpolator für Digitalsignale
US4868895A (en) * 1986-12-29 1989-09-19 The Grass Valley Group, Inc. Optical device copensator
JPH0630443B2 (ja) * 1987-01-16 1994-04-20 ヤマハ株式会社 デジタル・フエイズ・ロツクド・ル−プ用入力回路
US4757519A (en) * 1987-10-02 1988-07-12 Hewlett-Packard Digital premodulation filter
NL8703084A (nl) * 1987-12-21 1989-07-17 Philips Nv Digitaal premodulatiefilter.
TW318297B (pt) * 1995-05-22 1997-10-21 Motorola Inc
US5796780A (en) * 1996-02-09 1998-08-18 Ericsson Inc. Coherent modulation of CPM signals
US7079584B2 (en) 1998-08-10 2006-07-18 Kamilo Feher OFDM, CDMA, spread spectrum, TDMA, cross-correlated and filtered modulation
US8050345B1 (en) 1999-08-09 2011-11-01 Kamilo Feher QAM and GMSK systems
US7548787B2 (en) 2005-08-03 2009-06-16 Kamilo Feher Medical diagnostic and communication system
US7593481B2 (en) * 1998-08-31 2009-09-22 Kamilo Feher CDMA, W-CDMA, 3rd generation interoperable modem format selectable (MFS) systems with GMSK modulated systems
US7415066B2 (en) * 1998-08-10 2008-08-19 Kamilo Feher Mis-matched modulation-demodulation format selectable filters
US6470055B1 (en) 1998-08-10 2002-10-22 Kamilo Feher Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems
US6757334B1 (en) * 1998-08-10 2004-06-29 Kamilo Feher Bit rate agile third-generation wireless CDMA, GSM, TDMA and OFDM system
CA2341883A1 (en) 1998-08-31 2000-03-09 Kamilo Feher Feher keying (fk) modulation and transceivers including clock shaping processors
US9373251B2 (en) 1999-08-09 2016-06-21 Kamilo Feher Base station devices and automobile wireless communication systems
US7260369B2 (en) * 2005-08-03 2007-08-21 Kamilo Feher Location finder, tracker, communication and remote control system
US9813270B2 (en) 1999-08-09 2017-11-07 Kamilo Feher Heart rate sensor and medical diagnostics wireless devices
US9307407B1 (en) 1999-08-09 2016-04-05 Kamilo Feher DNA and fingerprint authentication of mobile devices
JP2004175052A (ja) * 2002-11-29 2004-06-24 Sony Corp インクジェット被記録媒体、インクジェット画像形成方法及び印画物
US7359449B2 (en) * 2004-10-05 2008-04-15 Kamilo Feher Data communication for wired and wireless communication
US10009956B1 (en) 2017-09-02 2018-06-26 Kamilo Feher OFDM, 3G and 4G cellular multimode systems and wireless mobile networks
US7280810B2 (en) 2005-08-03 2007-10-09 Kamilo Feher Multimode communication system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US30182A (en) * 1860-09-25 Stove-gkate
US3506918A (en) * 1966-12-27 1970-04-14 Xerox Corp Data channel equalization detector
US3492578A (en) * 1967-05-19 1970-01-27 Bell Telephone Labor Inc Multilevel partial-response data transmission
US3508153A (en) * 1967-09-11 1970-04-21 Bell Telephone Labor Inc Automatic equalizer for partial-response data transmission systems
US3679977A (en) * 1969-06-24 1972-07-25 Bell Telephone Labor Inc Precoded ternary data transmission
GB1353019A (en) * 1970-04-21 1974-05-15 Xerox Corp Channel-shaping filter
JPS5250487B2 (pt) * 1972-02-04 1977-12-24
GB1592556A (en) * 1976-10-28 1981-07-08 Rixon Quadrature-amplitude-modulation data transmission systems and transmitters
NL7709917A (nl) * 1977-09-09 1979-03-13 Philips Nv Systeem voor datatransmissie met behulp van een hoekgemoduleerde draaggolf van constante amplitude.
JPS6013630B2 (ja) * 1979-08-06 1985-04-08 日本電信電話株式会社 デイジタル周波数変調通信方式
NL8200943A (nl) * 1982-03-08 1983-10-03 Philips Nv Een niet-coherente ontvanginrichting voor de ontvangst van fm gemoduleerde datasignalen met pseudo vijfwaardige signaalniveaus.

Also Published As

Publication number Publication date
SE8301977D0 (sv) 1983-04-11
CH661626A5 (de) 1987-07-31
FR2525054A1 (fr) 1983-10-14
NL8201533A (nl) 1983-11-01
GB2118406A (en) 1983-10-26
SE459624B (sv) 1989-07-17
AU556010B2 (en) 1986-10-16
SE8301977L (sv) 1983-10-14
IT1170123B (it) 1987-06-03
DE3312849A1 (de) 1983-10-13
CA1221740A (en) 1987-05-12
DE3312849C2 (pt) 1991-05-16
JPH047622B2 (pt) 1992-02-12
FR2525054B1 (fr) 1990-05-04
GB2118406B (en) 1985-10-09
JPS58187048A (ja) 1983-11-01
AU1341883A (en) 1983-10-20
IT8320520A0 (it) 1983-04-08
BE896425A (fr) 1983-10-11
US4531221A (en) 1985-07-23

Similar Documents

Publication Publication Date Title
BR8301828A (pt) Transmissor previsto para transmitir sinais de frequencia-modulada
IT1163621B (it) Trasmettitore
BR8400361A (pt) Combinador para transmitir e receber sinais de microondas co-polarizados
IT1113727B (it) Sistema radio per la trasmissione di informazioni
BR8404682A (pt) Modulador de frequencia de fizero
IT8447881A0 (it) Sistema di trasmissione radio stereofonico a modulazione di frequenza
FR2454219B1 (fr) Modulateur de frequence
JPS57193166A (en) Frequency modulation transmitter
NO841515L (no) Kobling for oscillerende aksler
DK318986D0 (da) Radiotransmissionssystem
DK77379A (da) Ingitalt informationsoverfoeringssystem
FR2533319B1 (fr) Emetteur radar
IT7848945A0 (it) Perfezionamento nei sistemi di traslazione di frequenza per segnali modulati in frequenza
MX157057A (es) Mejoras a sistema de transmision de informacion para un ferrocarril
GB2130801B (en) Radar transmitters
ATE39203T1 (de) Einrichtung zum begrenzen der sendeleistung von radiowellensendern.
MX161741A (es) Sistema mejorado de comunicaciones de frecuencia modulada
JPS556613A (en) Information transmitting system
MX157058A (es) Mejoras a sistema de transmision de informacion para ferrocarril
NL192945B (nl) Frequentiemodulatie-ontvanger.
GB2036909B (en) Modulating drive transmission
FR2521609B1 (fr) Panneau de signalisation
FR2581268B1 (fr) Emetteur hyperfrequence de puissance
BR8307505A (pt) Aparelho para identificar sinais de multiplas frequencias
ES239757Y (es) Acoplamiento elastico para transmision de potencia