JPS5441608A - Operator call out system - Google Patents

Operator call out system

Info

Publication number
JPS5441608A
JPS5441608A JP10771077A JP10771077A JPS5441608A JP S5441608 A JPS5441608 A JP S5441608A JP 10771077 A JP10771077 A JP 10771077A JP 10771077 A JP10771077 A JP 10771077A JP S5441608 A JPS5441608 A JP S5441608A
Authority
JP
Japan
Prior art keywords
call out
out system
operator call
operator
buzzer
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
JP10771077A
Other languages
English (en)
Inventor
Masashi Fukui
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.)
Kokusai Denki Electric Inc
Original Assignee
Hitachi Denshi 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 Hitachi Denshi KK filed Critical Hitachi Denshi KK
Priority to JP10771077A priority Critical patent/JPS5441608A/ja
Publication of JPS5441608A publication Critical patent/JPS5441608A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
JP10771077A 1977-09-09 1977-09-09 Operator call out system Pending JPS5441608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10771077A JPS5441608A (en) 1977-09-09 1977-09-09 Operator call out system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10771077A JPS5441608A (en) 1977-09-09 1977-09-09 Operator call out system

Publications (1)

Publication Number Publication Date
JPS5441608A true JPS5441608A (en) 1979-04-03

Family

ID=14465976

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10771077A Pending JPS5441608A (en) 1977-09-09 1977-09-09 Operator call out system

Country Status (1)

Country Link
JP (1) JPS5441608A (ja)

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