CH231617A - Device for the transmission of signals by means of a frequency-modulated carrier wave. - Google Patents

Device for the transmission of signals by means of a frequency-modulated carrier wave.

Info

Publication number
CH231617A
CH231617A CH231617DA CH231617A CH 231617 A CH231617 A CH 231617A CH 231617D A CH231617D A CH 231617DA CH 231617 A CH231617 A CH 231617A
Authority
CH
Switzerland
Prior art keywords
signals
frequency
transmission
carrier wave
modulated carrier
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips 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
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH231617A publication Critical patent/CH231617A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/006—Angle modulation
CH231617D 1941-04-03 1942-04-01 Device for the transmission of signals by means of a frequency-modulated carrier wave. CH231617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL231617X 1941-04-03

Publications (1)

Publication Number Publication Date
CH231617A true CH231617A (en) 1944-03-31

Family

ID=19779998

Family Applications (1)

Application Number Title Priority Date Filing Date
CH231617D CH231617A (en) 1941-04-03 1942-04-01 Device for the transmission of signals by means of a frequency-modulated carrier wave.

Country Status (3)

Country Link
US (1) US2455959A (en)
BE (1) BE445078A (en)
CH (1) CH231617A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR991653A (en) * 1944-04-22 1951-10-09 Radio Electr Soc Fr Improvements to long-distance radio links
US2719955A (en) * 1952-01-02 1955-10-04 Du Mont Allen B Lab Inc Transmission system
NL112309C (en) * 1958-06-12
US3147437A (en) * 1962-03-13 1964-09-01 Robertshaw Controls Co Single side band radio carrier retrieval system

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1491357A (en) * 1924-04-22 Harold w
DE609540C (en) * 1930-01-02 1935-02-20 Int Standard Electric Corp System for high-frequency messaging with spread sidebands
US2059719A (en) * 1932-05-25 1936-11-03 Rca Corp Radio telephone system
NL47917C (en) * 1935-09-18
US2111023A (en) * 1935-11-05 1938-03-15 American Telephone & Telegraph Noise and cross-talk reduction in telephone communication circuits
FR817231A (en) * 1936-05-05 1937-08-30 Materiel Telephonique Improvements to electrical signal transmission systems
US2179182A (en) * 1936-11-27 1939-11-07 Rca Corp Frequency modulation circuits
US2132205A (en) * 1937-06-23 1938-10-04 Bell Telephone Labor Inc Secret transmission
US2233183A (en) * 1938-11-12 1941-02-25 Gen Electric Frequency modulation system
US2301455A (en) * 1939-10-27 1942-11-10 Wireless Res Corp Apparatus and method for communication
BE472603A (en) * 1940-10-12
US2407308A (en) * 1941-01-16 1946-09-10 Lorenzen Robert Method and apparatus for secret signaling
US2407259A (en) * 1941-07-09 1946-09-10 Bell Telephone Labor Inc Transmission control in signaling systems
US2408692A (en) * 1942-04-29 1946-10-01 Rca Corp Signaling system
US2402059A (en) * 1942-04-29 1946-06-11 Hazeltine Research Inc Secrecy communication system
US2389356A (en) * 1942-11-24 1945-11-20 Rca Corp Method of reduction of selective fading

Also Published As

Publication number Publication date
BE445078A (en)
US2455959A (en) 1948-12-14

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