NO120530B - - Google Patents

Download PDF

Info

Publication number
NO120530B
NO120530B NO16360066A NO16360066A NO120530B NO 120530 B NO120530 B NO 120530B NO 16360066 A NO16360066 A NO 16360066A NO 16360066 A NO16360066 A NO 16360066A NO 120530 B NO120530 B NO 120530B
Authority
NO
Norway
Prior art keywords
frequency
frequencies
receiver
transmission
information
Prior art date
Application number
NO16360066A
Other languages
English (en)
Norwegian (no)
Inventor
P Hedberg
Original Assignee
P Hedberg
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 P Hedberg filed Critical P Hedberg
Publication of NO120530B publication Critical patent/NO120530B/no

Links

Classifications

    • 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
    • H04B14/004—Amplitude modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
NO16360066A 1965-06-24 1966-06-22 NO120530B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8460/65A SE320415B (xx) 1965-06-24 1965-06-24

Publications (1)

Publication Number Publication Date
NO120530B true NO120530B (xx) 1970-11-02

Family

ID=20274130

Family Applications (1)

Application Number Title Priority Date Filing Date
NO16360066A NO120530B (xx) 1965-06-24 1966-06-22

Country Status (3)

Country Link
NL (1) NL6608677A (xx)
NO (1) NO120530B (xx)
SE (1) SE320415B (xx)

Also Published As

Publication number Publication date
NL6608677A (xx) 1966-12-27
SE320415B (xx) 1970-02-09

Similar Documents

Publication Publication Date Title
US2378298A (en) Composite-modulation radio service system
US3343093A (en) Dual-channel quadrature-modulation pulse transmission system with dc component transmitted in separate channel
US2095050A (en) Signaling
NO120530B (xx)
JPS5824258A (ja) 光通信受信回路
US1449382A (en) Method and means for signaling with high-frequency waves
US2356224A (en) Frequency modulation tone keyer
US2507730A (en) Frequency shift receiver
US1361522A (en) Plural modulation system
US2455959A (en) Device for the transmission of signals by means of frequency-modulated carrier waves
US2891245A (en) Signal tracking device
ES363108A2 (es) Una disposicion para transmitir senales de informacion en una banda de frecuencias prescrita.
GB1031216A (en) Improvements in radio receivers
US2414440A (en) Voice frequency ringer
US2928055A (en) Single sideband modulator
US1244697A (en) Wireless receiving system.
US1989770A (en) Wireless signaling system
GB985807A (en) Angular modulation transmission systems
EP0263845B1 (en) Improvements relating to communication systems
US1563326A (en) Secret-communication system
NO138790B (no) Koblingsanordning til faseregulering av et klokkesignal
US2582668A (en) Device for synchronizing the frequency of an oscillator to a control oscillation
US3878464A (en) Modulator for tone and binary signals
US2995627A (en) Automatic frequency control for fsk telegraph receiver
GB2063020A (en) Transceivers