JPS6333359B2 - - Google Patents

Info

Publication number
JPS6333359B2
JPS6333359B2 JP54049633A JP4963379A JPS6333359B2 JP S6333359 B2 JPS6333359 B2 JP S6333359B2 JP 54049633 A JP54049633 A JP 54049633A JP 4963379 A JP4963379 A JP 4963379A JP S6333359 B2 JPS6333359 B2 JP S6333359B2
Authority
JP
Japan
Prior art keywords
signal
multifrequency
frequency signal
circuit
control unit
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
JP54049633A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55141883A (en
Inventor
Hiroyuki Takeya
Hideyasu Mori
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP4963379A priority Critical patent/JPS55141883A/ja
Publication of JPS55141883A publication Critical patent/JPS55141883A/ja
Publication of JPS6333359B2 publication Critical patent/JPS6333359B2/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
    • H04Q1/45—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
JP4963379A 1979-04-24 1979-04-24 Reception system for multi-frequency signal Granted JPS55141883A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4963379A JPS55141883A (en) 1979-04-24 1979-04-24 Reception system for multi-frequency signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4963379A JPS55141883A (en) 1979-04-24 1979-04-24 Reception system for multi-frequency signal

Publications (2)

Publication Number Publication Date
JPS55141883A JPS55141883A (en) 1980-11-06
JPS6333359B2 true JPS6333359B2 (enrdf_load_stackoverflow) 1988-07-05

Family

ID=12836612

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4963379A Granted JPS55141883A (en) 1979-04-24 1979-04-24 Reception system for multi-frequency signal

Country Status (1)

Country Link
JP (1) JPS55141883A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5029110A (enrdf_load_stackoverflow) * 1973-07-17 1975-03-25

Also Published As

Publication number Publication date
JPS55141883A (en) 1980-11-06

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