CH397004A - In-band audio frequency signal receiver - Google Patents

In-band audio frequency signal receiver

Info

Publication number
CH397004A
CH397004A CH872761A CH872761A CH397004A CH 397004 A CH397004 A CH 397004A CH 872761 A CH872761 A CH 872761A CH 872761 A CH872761 A CH 872761A CH 397004 A CH397004 A CH 397004A
Authority
CH
Switzerland
Prior art keywords
frequency signal
audio frequency
signal receiver
band audio
band
Prior art date
Application number
CH872761A
Other languages
German (de)
Inventor
Sidney Chittleburgh Wi Francis
Sidney Simmonds Ernest
Carver Woodward David
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 CH397004A publication Critical patent/CH397004A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
CH872761A 1960-07-28 1961-07-24 In-band audio frequency signal receiver CH397004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2623660A GB888981A (en) 1960-07-28 1960-07-28 Improvements in or relating to voice frequency signalling receivers

Publications (1)

Publication Number Publication Date
CH397004A true CH397004A (en) 1965-08-15

Family

ID=10240464

Family Applications (1)

Application Number Title Priority Date Filing Date
CH872761A CH397004A (en) 1960-07-28 1961-07-24 In-band audio frequency signal receiver

Country Status (2)

Country Link
CH (1) CH397004A (en)
GB (1) GB888981A (en)

Also Published As

Publication number Publication date
GB888981A (en) 1962-02-07

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