CH387713A - Empfangsanlage mit Mitteln zur Unterscheidung zwischen Geräusch- und Nachrichtensignalen - Google Patents

Empfangsanlage mit Mitteln zur Unterscheidung zwischen Geräusch- und Nachrichtensignalen

Info

Publication number
CH387713A
CH387713A CH626160A CH626160A CH387713A CH 387713 A CH387713 A CH 387713A CH 626160 A CH626160 A CH 626160A CH 626160 A CH626160 A CH 626160A CH 387713 A CH387713 A CH 387713A
Authority
CH
Switzerland
Prior art keywords
differentiating
noise
receiving system
message signals
message
Prior art date
Application number
CH626160A
Other languages
English (en)
Inventor
Douglas Holland John
Richard Pitkin Sydney
Original Assignee
Standard Telephon & Radio Ag
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 Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH387713A publication Critical patent/CH387713A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/342—Muting when some special characteristic of the signal is sensed which distinguishes it from noise, e.g. using speech detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
CH626160A 1959-06-09 1960-06-01 Empfangsanlage mit Mitteln zur Unterscheidung zwischen Geräusch- und Nachrichtensignalen CH387713A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1969759A GB852863A (en) 1959-06-09 1959-06-09 Arrangements for controlling noise in electric communication systems

Publications (1)

Publication Number Publication Date
CH387713A true CH387713A (de) 1965-02-15

Family

ID=10133699

Family Applications (1)

Application Number Title Priority Date Filing Date
CH626160A CH387713A (de) 1959-06-09 1960-06-01 Empfangsanlage mit Mitteln zur Unterscheidung zwischen Geräusch- und Nachrichtensignalen

Country Status (2)

Country Link
CH (1) CH387713A (de)
GB (1) GB852863A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8320979D0 (en) * 1983-08-03 1983-09-07 Multitone Electronics Plc Decoding arrangements

Also Published As

Publication number Publication date
GB852863A (en) 1960-11-02

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