FR1088402A - Dispositif de démodulation de signaux à bande latérale résiduelle - Google Patents

Dispositif de démodulation de signaux à bande latérale résiduelle

Info

Publication number
FR1088402A
FR1088402A FR1088402DA FR1088402A FR 1088402 A FR1088402 A FR 1088402A FR 1088402D A FR1088402D A FR 1088402DA FR 1088402 A FR1088402 A FR 1088402A
Authority
FR
France
Prior art keywords
signal demodulation
demodulation device
sideband signal
residual sideband
residual
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
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1088402A publication Critical patent/FR1088402A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/64—Insulation or other protection; Elements or use of specified material therefor for making damp-proof; Protection against corrosion
    • E04B1/642—Protecting metallic construction elements against corrosion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/24—Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H04B1/302—Circuits for homodyne or synchrodyne receivers for single sideband receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Architecture (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Multimedia (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
FR1088402D 1953-01-21 1953-09-02 Dispositif de démodulation de signaux à bande latérale résiduelle Expired FR1088402A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US332449A US2828414A (en) 1953-01-21 1953-01-21 Demodulation of vestigial sideband signals

Publications (1)

Publication Number Publication Date
FR1088402A true FR1088402A (fr) 1955-03-07

Family

ID=23298277

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1088402D Expired FR1088402A (fr) 1953-01-21 1953-09-02 Dispositif de démodulation de signaux à bande latérale résiduelle

Country Status (6)

Country Link
US (1) US2828414A (fr)
BE (1) BE525854A (fr)
DE (1) DE964250C (fr)
FR (1) FR1088402A (fr)
GB (1) GB749038A (fr)
NL (2) NL184156B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2121532A1 (fr) * 1971-01-15 1972-08-25 Ibm
EP0066430A2 (fr) * 1981-05-22 1982-12-08 Matsushita Electric Industrial Co., Ltd. Récepteur synchrome de télévision

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101448A (en) * 1954-12-23 1963-08-20 Gen Electric Synchronous detector system
US2836712A (en) * 1956-06-29 1958-05-27 Murray G Crosby Automatic frequency control and tuning indicator
US3012200A (en) * 1957-10-18 1961-12-05 Hurvitz Hyman Frequency coincidence detector
US2979662A (en) * 1958-11-28 1961-04-11 Bell Telephone Labor Inc Electrical wave synchronizing circuit
US3049673A (en) * 1959-04-15 1962-08-14 Collins Radio Co Disk reference phase-pulse detector
US3048782A (en) * 1959-11-09 1962-08-07 Itt Signal receiving system
US3195059A (en) * 1960-07-08 1965-07-13 Itt Demodulator system for angularly modulated signals having improved noise immunity
US3122704A (en) * 1960-09-27 1964-02-25 William H Jones Signal-to-noise ratio indicator
NL301914A (fr) * 1962-12-18
US3217261A (en) * 1963-08-27 1965-11-09 David S Henry Monitoring system for a vestigial sideband transmitter whereby the quadrature component is eliminated
US3461239A (en) * 1965-03-11 1969-08-12 Ericsson Telefon Ab L M Method of transmitting message signals through a clock pulse channel in a data transmission system
US4307347A (en) * 1979-06-28 1981-12-22 Rca Corporation Envelope detector using balanced mixer

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2066528A (en) * 1934-12-29 1937-01-05 Bell Telephone Labor Inc Synchronous control of oscillators
US2041855A (en) * 1935-03-01 1936-05-26 Bell Telephone Labor Inc Frequency control
BE427232A (fr) * 1937-03-30
DE691625C (de) * 1937-06-18 1940-06-01 Siemens & Halske Akt Ges Verfahren zur Gewinnung einer Traegerfrequenz gerissystemen
BE436698A (fr) * 1938-10-18 1939-11-30
US2231704A (en) * 1939-03-04 1941-02-11 Hazeltine Corp Homodyne receiver
GB589229A (en) * 1940-01-10 1947-06-16 Alan Dower Blumlein Improvements in or relating to radio receivers and application thereof
US2453988A (en) * 1942-07-10 1948-11-16 Radio Patents Corp Automatic frequency control
US2494323A (en) * 1943-03-12 1950-01-10 American Telephone & Telegraph Signal receiving apparatus
CH244477A (de) * 1943-09-29 1946-09-15 Ges Foerderung Forschung Technische Physik Eth Zuerich Verfahren zum Empfang von amplitudenmodulierten elektrischen Signalen mit reduziertem Träger.
FR958065A (fr) * 1946-12-31 1950-03-03
CH264464A (de) * 1948-04-20 1949-10-15 Patelhold Patentverwertung Einrichtung zur Synchronisierung des Trägergenerators in einem Empfänger für den Empfang von amplitudenmodulierten Hochfrequenzschwingungen mit unterdrücktem Träger.
FR987064A (fr) * 1949-03-28 1951-08-08 Cie Ind Des Telephones Perfectionnements aux dispositifs de réception pour systèmes de transmission à onde porteuse supprimée

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2121532A1 (fr) * 1971-01-15 1972-08-25 Ibm
EP0066430A2 (fr) * 1981-05-22 1982-12-08 Matsushita Electric Industrial Co., Ltd. Récepteur synchrome de télévision
EP0066430A3 (en) * 1981-05-22 1984-05-16 Matsushita Electric Industrial Co., Ltd. Television synchronous receiver

Also Published As

Publication number Publication date
BE525854A (fr)
NL184156B (nl)
GB749038A (en) 1956-05-16
NL100109C (fr)
DE964250C (de) 1957-05-23
US2828414A (en) 1958-03-25

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