FR94063E - Systemes a courants porteurs. - Google Patents

Systemes a courants porteurs.

Info

Publication number
FR94063E
FR94063E FR108840A FR108840A FR94063E FR 94063 E FR94063 E FR 94063E FR 108840 A FR108840 A FR 108840A FR 108840 A FR108840 A FR 108840A FR 94063 E FR94063 E FR 94063E
Authority
FR
France
Prior art keywords
carrier systems
carrier
systems
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
FR108840A
Other languages
English (en)
Inventor
Michael John Gingell
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 GB52293/65A external-priority patent/GB1098250A/en
Priority claimed from GB24792/66A external-priority patent/GB1112248A/en
Priority claimed from GB24785/66A external-priority patent/GB1107346A/en
Priority claimed from GB2479466A external-priority patent/GB1081240A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR94063E publication Critical patent/FR94063E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B27/00—Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/60—Modulators in which carrier or one sideband is wholly or partially suppressed with one sideband wholly or partially suppressed
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/006—Signal sampling
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0066—Mixing
    • H03D2200/0078—Mixing using a switched phase shifter or delay line
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR108840A 1965-12-09 1967-06-02 Systemes a courants porteurs. Expired FR94063E (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB52293/65A GB1098250A (en) 1965-12-09 1965-12-09 An n-path frequency translation system
GB24792/66A GB1112248A (en) 1966-06-03 1966-06-03 Improvements in or relating to n-path frequency translation systems
GB24785/66A GB1107346A (en) 1965-12-09 1966-06-03 A method of synthesising a digital waveform
GB2479466A GB1081240A (en) 1966-06-03 1966-06-03 Balanced polyphase modulator

Publications (1)

Publication Number Publication Date
FR94063E true FR94063E (fr) 1969-06-27

Family

ID=27448647

Family Applications (1)

Application Number Title Priority Date Filing Date
FR108840A Expired FR94063E (fr) 1965-12-09 1967-06-02 Systemes a courants porteurs.

Country Status (1)

Country Link
FR (1) FR94063E (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0691733A3 (fr) * 1994-07-08 1996-01-31 Victor Company Of Japan
WO1998038732A1 (fr) * 1997-02-27 1998-09-03 National Research Council Circuit de modulation et de demodulation en quadrature pour signal oscillant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0691733A3 (fr) * 1994-07-08 1996-01-31 Victor Company Of Japan
US5648736A (en) * 1994-07-08 1997-07-15 Victor Company Of Japan, Ltd. Frequency converting circuit
WO1998038732A1 (fr) * 1997-02-27 1998-09-03 National Research Council Circuit de modulation et de demodulation en quadrature pour signal oscillant

Similar Documents

Publication Publication Date Title
FR93419E (fr) Systemes a courants porteurs.
NL147076B (nl) Typendrager.
FR93196E (fr) Raccord a emmanchement.
FR94063E (fr) Systemes a courants porteurs.
FR94062E (fr) Systemes a courants porteurs.
ES114152Y (es) Un sobrecolchon.
ES112266Y (es) Un bigudi.
ES117366Y (es) Un correaje.
ES117482Y (es) Un busto-maniqui.
ES112944Y (es) Un tapon-precinto.
ES111977Y (es) Un especiero.
ES110881Y (es) Un tapon-precinto.
ES110772Y (es) Un estuche.
ES113054Y (es) Un estuche.
ES117459Y (es) Un estuche perfeccionado.
ES115498Y (es) Un estuche perfeccionado.
ES118347Y (es) Un corchete.
ES112279Y (es) Un dispositivo portavestidos.
ES113552Y (es) Un dispositivo utilitario-publicitario.
ES113673Y (es) Un dispositivo desterronador-alisador.
ES116493Y (es) Un dispositivo cuece-leche.
ES113887Y (es) Un envase ligero.
ES125381Y (es) Un estuche para pequeños articulos.
ES111976Y (es) Un calendario.
ES118055Y (es) Un llavero perfeccionado.