JPS5125303B1
(sk)
*
|
1971-02-10 |
1976-07-30 |
|
|
USRE33056E
(en)
*
|
1971-09-14 |
1989-09-12 |
Codex Corporation |
Signal structures for double side band-quadrature carrier modulation
|
US3887768A
(en)
*
|
1971-09-14 |
1975-06-03 |
Codex Corp |
Signal structures for double side band-quadrature carrier modulation
|
US3787785A
(en)
*
|
1972-05-15 |
1974-01-22 |
Collins Radio Co |
Phase representative digital signal modulating apparatus
|
US3824498A
(en)
*
|
1972-12-22 |
1974-07-16 |
Dallas Instr Inc |
Digital processor for selectively synthesizing sinusoidal waveforms and frequency modulations
|
US3943285A
(en)
*
|
1973-05-10 |
1976-03-09 |
Milgo Electronic Corporation |
Multiplexed data modem
|
US3885228A
(en)
*
|
1973-06-05 |
1975-05-20 |
Martin J Katz |
Fail-safe electronic encoder for selectively operating railway signal indicator
|
FR2270721B1
(sk)
*
|
1974-04-12 |
1976-10-08 |
Europ Teletransmission |
|
US4217467A
(en)
*
|
1974-07-19 |
1980-08-12 |
Nippon Telegraph & Telephone Public Corporation |
Amplitude and periodic phase modulation transmission system
|
US4166923A
(en)
*
|
1974-07-19 |
1979-09-04 |
Nippon Telegraph & Telephone Public Corporation |
Amplitude- and periodic phase-modulation transmission system
|
US3988539A
(en)
*
|
1974-09-16 |
1976-10-26 |
Hycom Incorporated |
Data transmission system using optimal eight-vector signaling scheme
|
DE2544124C3
(de)
*
|
1974-10-04 |
1982-02-25 |
CSELT-Centro Studi e Laboratori Telecomunicazioni S.p.A., Torino |
Rückkopplungsentzerrer
|
US4037049A
(en)
*
|
1974-10-18 |
1977-07-19 |
Intertel, Inc. |
Modulator and demodulator for data communications network
|
JPS5157278A
(en)
*
|
1974-11-15 |
1976-05-19 |
Kuniaki Myazawa |
Shingodensohoho oyobi sochi
|
US3983485A
(en)
*
|
1975-02-28 |
1976-09-28 |
Rixon Inc. |
Multi-phase and multi-amplitude level modulator and modulation and demodulation methods
|
IT1030453B
(it)
*
|
1975-03-27 |
1979-03-30 |
Cselt Centro Studi Lab Telecom |
Organo di decisione per ricevitori di segnali numerici a piu livelli modulati in fase o in fase e ampiezza
|
US4084137A
(en)
*
|
1976-08-24 |
1978-04-11 |
Communications Satellite Corporation |
Multidimensional code communication systems
|
US4213094A
(en)
*
|
1978-07-13 |
1980-07-15 |
Raytheon Company |
Poly-phase modulation systems
|
US4379947A
(en)
*
|
1979-02-02 |
1983-04-12 |
Teleprompter Corporation |
System for transmitting data simultaneously with audio
|
US4271527A
(en)
*
|
1979-08-31 |
1981-06-02 |
Paradyne Corporation |
Double side band-quadrature carrier modulation signal structures
|
DE3117134A1
(de)
*
|
1981-04-30 |
1982-11-18 |
Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt |
Digitale modulationsverfahren
|
JPS5985166A
(ja)
*
|
1982-10-29 |
1984-05-17 |
Fujitsu Ltd |
位相変調器
|
DE3934187C1
(sk)
*
|
1989-10-13 |
1991-03-14 |
Ant Nachrichtentechnik Gmbh, 7150 Backnang, De |
|
US5796784A
(en)
*
|
1996-03-27 |
1998-08-18 |
Motorola, Inc. |
Method and apparatus for modifying amplitude of at least one symbol
|
FR2884373B1
(fr)
*
|
2005-04-12 |
2009-07-10 |
Commissariat Energie Atomique |
Procede de communication sans contact base sur des modulations et demodulations asynchrones
|
US9515815B2
(en)
|
2013-03-15 |
2016-12-06 |
Tm Ip Holdings, Llc |
Transpositional modulation systems, methods and devices
|
US9014293B2
(en)
*
|
2013-03-15 |
2015-04-21 |
Tm Ip Holdings, Llc |
Transpositional modulation systems and methods
|
US9882764B1
(en)
|
2017-04-13 |
2018-01-30 |
Tm Ip Holdings, Llc |
Transpositional modulation
|
US10578709B1
(en)
|
2017-04-20 |
2020-03-03 |
Tm Ip Holdings, Llc |
Transpositional modulation for defensive measures
|
US10341161B2
(en)
|
2017-07-10 |
2019-07-02 |
Tm Ip Holdings, Llc |
Multi-dimensional signal encoding
|
US10594539B2
(en)
|
2018-06-05 |
2020-03-17 |
Tm Ip Holdings, Llc |
Transpositional modulation and demodulation
|