GB540185A - System of transmission of electrical waves - Google Patents

System of transmission of electrical waves

Info

Publication number
GB540185A
GB540185A GB9975/40A GB997540A GB540185A GB 540185 A GB540185 A GB 540185A GB 9975/40 A GB9975/40 A GB 9975/40A GB 997540 A GB997540 A GB 997540A GB 540185 A GB540185 A GB 540185A
Authority
GB
United Kingdom
Prior art keywords
modulation
phase
receiver
amplifier
amplitude modulation
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
GB9975/40A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB540185A publication Critical patent/GB540185A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Stereophonic System (AREA)
  • Amplitude Modulation (AREA)
GB9975/40A 1939-06-30 1940-06-07 System of transmission of electrical waves Expired GB540185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR540185X 1939-06-30

Publications (1)

Publication Number Publication Date
GB540185A true GB540185A (en) 1941-10-08

Family

ID=8929309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9975/40A Expired GB540185A (en) 1939-06-30 1940-06-07 System of transmission of electrical waves

Country Status (2)

Country Link
BE (1) BE477479A (enrdf_load_stackoverflow)
GB (1) GB540185A (enrdf_load_stackoverflow)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698379A (en) * 1951-04-28 1954-12-28 Philips Nv Transmission system for stereophonic signals
DE1022275B (de) * 1953-11-14 1958-01-09 Siemens Elektrogeraete Gmbh Verfahren und Einrichtung zum Empfang von ueber getrennte modulierte Traegerwellen stereophonisch uebertragenen Schallsendungen
US3047666A (en) * 1958-10-27 1962-07-31 Murray G Crosby Compatible stereophonic system
US3059056A (en) * 1960-02-04 1962-10-16 Rca Corp Stereophonic sound signal receivers
US3160812A (en) * 1961-11-09 1964-12-08 Scantlin Electronics Inc Composite transmission system utilizing phase shift and amplitude modulation
US3163861A (en) * 1962-05-02 1964-12-29 Suter Henry Electromagnetic field disturbance intruder detection apparatus
US3167614A (en) * 1959-03-16 1965-01-26 Rca Corp Multiplicative stereophonic sound signalling system
US3175041A (en) * 1962-06-11 1965-03-23 Pilot Radio Corp Fm stereo demodulator using time division switching
US3202994A (en) * 1961-08-11 1965-08-24 Csf Systems for determining the elevation angle and azimuth of a body
US3218393A (en) * 1960-02-11 1965-11-16 Leonard R Kahn Compatible stereophonic transmission and reception systems, and methods and components characterizing same
US3250857A (en) * 1961-10-27 1966-05-10 Zenith Radio Corp Stereo fm receiver
US4302626A (en) * 1977-03-21 1981-11-24 Magnavox Consumer Electronics Company Low frequency AM stereophonic broadcast and receiving apparatus
US4332978A (en) * 1977-03-21 1982-06-01 The Magnavox Consumer Electronics Co. Low frequency AM stereophonic broadcast and receiving apparatus
US4803727A (en) * 1986-11-24 1989-02-07 British Telecommunications Public Limited Company Transmission system

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698379A (en) * 1951-04-28 1954-12-28 Philips Nv Transmission system for stereophonic signals
DE1022275B (de) * 1953-11-14 1958-01-09 Siemens Elektrogeraete Gmbh Verfahren und Einrichtung zum Empfang von ueber getrennte modulierte Traegerwellen stereophonisch uebertragenen Schallsendungen
US3047666A (en) * 1958-10-27 1962-07-31 Murray G Crosby Compatible stereophonic system
US3167614A (en) * 1959-03-16 1965-01-26 Rca Corp Multiplicative stereophonic sound signalling system
US3059056A (en) * 1960-02-04 1962-10-16 Rca Corp Stereophonic sound signal receivers
US3218393A (en) * 1960-02-11 1965-11-16 Leonard R Kahn Compatible stereophonic transmission and reception systems, and methods and components characterizing same
US3202994A (en) * 1961-08-11 1965-08-24 Csf Systems for determining the elevation angle and azimuth of a body
US3250857A (en) * 1961-10-27 1966-05-10 Zenith Radio Corp Stereo fm receiver
US3160812A (en) * 1961-11-09 1964-12-08 Scantlin Electronics Inc Composite transmission system utilizing phase shift and amplitude modulation
US3163861A (en) * 1962-05-02 1964-12-29 Suter Henry Electromagnetic field disturbance intruder detection apparatus
US3175041A (en) * 1962-06-11 1965-03-23 Pilot Radio Corp Fm stereo demodulator using time division switching
US4302626A (en) * 1977-03-21 1981-11-24 Magnavox Consumer Electronics Company Low frequency AM stereophonic broadcast and receiving apparatus
US4332978A (en) * 1977-03-21 1982-06-01 The Magnavox Consumer Electronics Co. Low frequency AM stereophonic broadcast and receiving apparatus
US4803727A (en) * 1986-11-24 1989-02-07 British Telecommunications Public Limited Company Transmission system

Also Published As

Publication number Publication date
BE477479A (enrdf_load_stackoverflow)

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