JPS52106211A - Pb signal reception system - Google Patents

Pb signal reception system

Info

Publication number
JPS52106211A
JPS52106211A JP2226176A JP2226176A JPS52106211A JP S52106211 A JPS52106211 A JP S52106211A JP 2226176 A JP2226176 A JP 2226176A JP 2226176 A JP2226176 A JP 2226176A JP S52106211 A JPS52106211 A JP S52106211A
Authority
JP
Japan
Prior art keywords
signal reception
reception system
telephone
receiver
reduction
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.)
Pending
Application number
JP2226176A
Other languages
Japanese (ja)
Inventor
Shiro Kuzutani
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP2226176A priority Critical patent/JPS52106211A/en
Publication of JPS52106211A publication Critical patent/JPS52106211A/en
Pending 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
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted
    • H04Q1/4535—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted with an additional signal transmitted for voice protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

PURPOSE:To realize economization of PB receiver through reduction of control line by providing control common contact into telephone.
JP2226176A 1976-03-03 1976-03-03 Pb signal reception system Pending JPS52106211A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2226176A JPS52106211A (en) 1976-03-03 1976-03-03 Pb signal reception system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2226176A JPS52106211A (en) 1976-03-03 1976-03-03 Pb signal reception system

Publications (1)

Publication Number Publication Date
JPS52106211A true JPS52106211A (en) 1977-09-06

Family

ID=12077818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2226176A Pending JPS52106211A (en) 1976-03-03 1976-03-03 Pb signal reception system

Country Status (1)

Country Link
JP (1) JPS52106211A (en)

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