JPS51148304A - Circuit to discriminate speech signals and audible signals - Google Patents

Circuit to discriminate speech signals and audible signals

Info

Publication number
JPS51148304A
JPS51148304A JP7197375A JP7197375A JPS51148304A JP S51148304 A JPS51148304 A JP S51148304A JP 7197375 A JP7197375 A JP 7197375A JP 7197375 A JP7197375 A JP 7197375A JP S51148304 A JPS51148304 A JP S51148304A
Authority
JP
Japan
Prior art keywords
signals
circuit
audible
discriminate speech
discriminate
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.)
Granted
Application number
JP7197375A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5528584B2 (enrdf_load_html_response
Inventor
Toshio Kondo
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.)
TOKYO ROKUON KOGYO KK
Original Assignee
TOKYO ROKUON KOGYO KK
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 TOKYO ROKUON KOGYO KK filed Critical TOKYO ROKUON KOGYO KK
Priority to JP7197375A priority Critical patent/JPS51148304A/ja
Publication of JPS51148304A publication Critical patent/JPS51148304A/ja
Publication of JPS5528584B2 publication Critical patent/JPS5528584B2/ja
Granted legal-status Critical Current

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
    • H04Q1/46—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies comprising means for distinguishing between a signalling current of predetermined frequency and a complex current containing that frequency, e.g. speech current

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
JP7197375A 1975-06-16 1975-06-16 Circuit to discriminate speech signals and audible signals Granted JPS51148304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7197375A JPS51148304A (en) 1975-06-16 1975-06-16 Circuit to discriminate speech signals and audible signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7197375A JPS51148304A (en) 1975-06-16 1975-06-16 Circuit to discriminate speech signals and audible signals

Publications (2)

Publication Number Publication Date
JPS51148304A true JPS51148304A (en) 1976-12-20
JPS5528584B2 JPS5528584B2 (enrdf_load_html_response) 1980-07-29

Family

ID=13475908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7197375A Granted JPS51148304A (en) 1975-06-16 1975-06-16 Circuit to discriminate speech signals and audible signals

Country Status (1)

Country Link
JP (1) JPS51148304A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS5528584B2 (enrdf_load_html_response) 1980-07-29

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