[go: up one dir, main page]

AU5052069A - Improvements intwo-tone frequency modulated communication systems - Google Patents

Improvements intwo-tone frequency modulated communication systems

Info

Publication number
AU5052069A
AU5052069A AU50520/69A AU5052069A AU5052069A AU 5052069 A AU5052069 A AU 5052069A AU 50520/69 A AU50520/69 A AU 50520/69A AU 5052069 A AU5052069 A AU 5052069A AU 5052069 A AU5052069 A AU 5052069A
Authority
AU
Australia
Prior art keywords
communication systems
frequency modulated
tone frequency
modulated communication
intwo
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
AU50520/69A
Inventor
White William
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.)
COMMUNICATIONS ASSOCIATES Ltd
Original Assignee
COMMUNICATIONS ASSOCIATES Ltd
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 COMMUNICATIONS ASSOCIATES Ltd filed Critical COMMUNICATIONS ASSOCIATES Ltd
Priority to AU50520/69A priority Critical patent/AU5052069A/en
Publication of AU5052069A publication Critical patent/AU5052069A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
AU50520/69A 1969-02-14 1969-02-14 Improvements intwo-tone frequency modulated communication systems Expired AU5052069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU50520/69A AU5052069A (en) 1969-02-14 1969-02-14 Improvements intwo-tone frequency modulated communication systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU50520/69A AU5052069A (en) 1969-02-14 1969-02-14 Improvements intwo-tone frequency modulated communication systems

Publications (1)

Publication Number Publication Date
AU5052069A true AU5052069A (en) 1970-08-20

Family

ID=3737089

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50520/69A Expired AU5052069A (en) 1969-02-14 1969-02-14 Improvements intwo-tone frequency modulated communication systems

Country Status (1)

Country Link
AU (1) AU5052069A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU631556B2 (en) * 1988-07-15 1992-12-03 Nec Corporation Radio communication apparatus having an improved signal to noise ratio

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU631556B2 (en) * 1988-07-15 1992-12-03 Nec Corporation Radio communication apparatus having an improved signal to noise ratio

Similar Documents

Publication Publication Date Title
CA893337A (en) Data communication system
CA960756A (en) Radio communication system
CA950546A (en) Frequency modulator
CA952986A (en) Radio communication systems
CA939010A (en) Inductive communication system
AU462216B1 (en) Communication systems
AU3736171A (en) Communication system
CA929613A (en) Electrical modulating systems
CA922635A (en) Coded communication system
CA999646A (en) Frequency burst communication system
CA922788A (en) Frequency modulation signal demodulator
AU423339B2 (en) Differential phase modulated communication system
AU5052069A (en) Improvements intwo-tone frequency modulated communication systems
CA964726A (en) Carrier frequency systems
CA935531A (en) Modulation system
CA827245A (en) Radio communication system
CA812902A (en) Radio communication system
CA807771A (en) Pulse modulation communication system
CA810761A (en) Communication systems employing code modulation
CA809270A (en) Communication systems employing code modulation
AU433161B2 (en) Data communication systems
CA777404A (en) Radio communication system
CA781565A (en) Radio communication system
CA826332A (en) Communications system
CA926507A (en) Communications system