GB528152A - Transmission of frequency modulated valves - Google Patents

Transmission of frequency modulated valves

Info

Publication number
GB528152A
GB528152A GB12788/39A GB1278839A GB528152A GB 528152 A GB528152 A GB 528152A GB 12788/39 A GB12788/39 A GB 12788/39A GB 1278839 A GB1278839 A GB 1278839A GB 528152 A GB528152 A GB 528152A
Authority
GB
United Kingdom
Prior art keywords
frequency
quadrature
phase
circuit
coil
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
GB12788/39A
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 GB528152A publication Critical patent/GB528152A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/06—Means for changing frequency deviation

Landscapes

  • Noise Elimination (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB12788/39A 1938-05-21 1939-04-28 Transmission of frequency modulated valves Expired GB528152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US209183A US2259000A (en) 1938-05-21 1938-05-21 Transmission of frequency modulated waves

Publications (1)

Publication Number Publication Date
GB528152A true GB528152A (en) 1940-10-23

Family

ID=22777706

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12788/39A Expired GB528152A (en) 1938-05-21 1939-04-28 Transmission of frequency modulated valves

Country Status (5)

Country Link
US (1) US2259000A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH234266A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR854976A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB528152A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL61925C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989622A (en) * 1958-12-29 1961-06-20 Bell Telephone Labor Inc Hybrid sideband frequency modulation system

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541066A (en) * 1943-11-24 1951-02-13 Sperry Corp Object detecting and warning system and method
US2488584A (en) * 1943-12-08 1949-11-22 Rca Corp Locked-in oscillator circuits
US2494795A (en) * 1945-02-03 1950-01-17 Philco Corp Frequency-detector and frequency-control circuits
US2510906A (en) * 1945-03-24 1950-06-06 Avco Mfg Corp Frequency modulation receiver
US2609494A (en) * 1950-01-24 1952-09-02 Padevco Inc Frequency modulation system for receiving one of two overlapping waves
US2983814A (en) * 1956-02-01 1961-05-09 Raytheon Co Signal receivers
NL128777C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1958-08-14
DE1199337B (de) * 1959-02-04 1965-08-26 Peter G S Mero Phasendiskriminator
FR2938261B1 (fr) 2008-11-13 2010-11-19 Arkema France Fabrication de copolymeres ethylene/ester vinylique d'acide carboxylique a partir de matieres renouvelables, copolymeres obtenus et utilisations
FR2939139B1 (fr) 2008-12-03 2012-12-21 Arkema France Composition comprenant du polypropylene et/ou un copolymere du propylene obtenus a partir de matieres renouvelables et utilisations

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989622A (en) * 1958-12-29 1961-06-20 Bell Telephone Labor Inc Hybrid sideband frequency modulation system

Also Published As

Publication number Publication date
NL61925C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1948-11-15
US2259000A (en) 1941-10-14
CH234266A (fr) 1944-09-15
FR854976A (fr) 1940-04-29

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