GB1210742A - Device for the transmission of synchronous pulse signals - Google Patents

Device for the transmission of synchronous pulse signals

Info

Publication number
GB1210742A
GB1210742A GB4713668A GB4713668A GB1210742A GB 1210742 A GB1210742 A GB 1210742A GB 4713668 A GB4713668 A GB 4713668A GB 4713668 A GB4713668 A GB 4713668A GB 1210742 A GB1210742 A GB 1210742A
Authority
GB
United Kingdom
Prior art keywords
modulator
signals
frequency
switch
contact
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
GB4713668A
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.)
Philips Electronics UK Ltd
Koninklijke Philips NV
Original Assignee
Philips Electronic and Associated Industries Ltd
Philips Gloeilampenfabrieken 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
Priority claimed from NL6706736A external-priority patent/NL6706736A/xx
Application filed by Philips Electronic and Associated Industries Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1210742A publication Critical patent/GB1210742A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/2057—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases with a separate carrier for each phase state
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB4713668A 1967-05-13 1968-10-04 Device for the transmission of synchronous pulse signals Expired GB1210742A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6706736A NL6706736A (enrdf_load_stackoverflow) 1967-05-13 1967-05-13
NL6713667A NL6713667A (enrdf_load_stackoverflow) 1967-05-13 1967-10-07

Publications (1)

Publication Number Publication Date
GB1210742A true GB1210742A (en) 1970-10-28

Family

ID=26644191

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4713668A Expired GB1210742A (en) 1967-05-13 1968-10-04 Device for the transmission of synchronous pulse signals

Country Status (4)

Country Link
AT (1) AT289197B (enrdf_load_stackoverflow)
CH (1) CH502031A (enrdf_load_stackoverflow)
GB (1) GB1210742A (enrdf_load_stackoverflow)
NL (1) NL6713667A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2285032A1 (fr) * 1974-09-12 1976-04-09 Philips Nv Dispositif de modulation et de filtrage
FR2476939A1 (fr) * 1980-02-26 1981-08-28 Thomson Csf Filtre transversal pour modulateur-demodulateur et modulateur-demodulateur comportant un tel filtre
EP0649230A1 (fr) * 1993-10-19 1995-04-19 Telediffusion De France Modulateur numérique à débit variable et son utilisation en radiodiffusion FM
EP0853409A3 (en) * 1997-01-10 2001-02-07 Harris Corporation Device and method for digital vestigial sideband modulation

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2285032A1 (fr) * 1974-09-12 1976-04-09 Philips Nv Dispositif de modulation et de filtrage
FR2476939A1 (fr) * 1980-02-26 1981-08-28 Thomson Csf Filtre transversal pour modulateur-demodulateur et modulateur-demodulateur comportant un tel filtre
EP0035432B1 (fr) * 1980-02-26 1983-12-21 Thomson-Csf Filtre transversal pour modulateur-démodulateur, et modulateur-démodulateur comportant un tel filtre
EP0649230A1 (fr) * 1993-10-19 1995-04-19 Telediffusion De France Modulateur numérique à débit variable et son utilisation en radiodiffusion FM
FR2711464A1 (fr) * 1993-10-19 1995-04-28 Telediffusion Fse Modulateur numérique à débit variable et son utilisation en radiodiffusion FM.
US5473290A (en) * 1993-10-19 1995-12-05 Telediffusion De France Variable-throughput digital modulator and its use in FM radio broadcasting
EP0853409A3 (en) * 1997-01-10 2001-02-07 Harris Corporation Device and method for digital vestigial sideband modulation

Also Published As

Publication number Publication date
NL6713667A (enrdf_load_stackoverflow) 1969-04-09
AT289197B (de) 1971-04-13
CH502031A (de) 1971-01-15

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees
PCNP Patent ceased through non-payment of renewal fee