JPS54133008A - Display unit for office line attendant board - Google Patents

Display unit for office line attendant board

Info

Publication number
JPS54133008A
JPS54133008A JP4100478A JP4100478A JPS54133008A JP S54133008 A JPS54133008 A JP S54133008A JP 4100478 A JP4100478 A JP 4100478A JP 4100478 A JP4100478 A JP 4100478A JP S54133008 A JPS54133008 A JP S54133008A
Authority
JP
Japan
Prior art keywords
circuit
display unit
information
given
office line
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
JP4100478A
Other languages
English (en)
Japanese (ja)
Other versions
JPS623628B2 (enrdf_load_stackoverflow
Inventor
Kenji Kataoka
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP4100478A priority Critical patent/JPS54133008A/ja
Publication of JPS54133008A publication Critical patent/JPS54133008A/ja
Publication of JPS623628B2 publication Critical patent/JPS623628B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/64—Arrangements for signalling the number or class of the calling line to the operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP4100478A 1978-04-07 1978-04-07 Display unit for office line attendant board Granted JPS54133008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4100478A JPS54133008A (en) 1978-04-07 1978-04-07 Display unit for office line attendant board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4100478A JPS54133008A (en) 1978-04-07 1978-04-07 Display unit for office line attendant board

Publications (2)

Publication Number Publication Date
JPS54133008A true JPS54133008A (en) 1979-10-16
JPS623628B2 JPS623628B2 (enrdf_load_stackoverflow) 1987-01-26

Family

ID=12596245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4100478A Granted JPS54133008A (en) 1978-04-07 1978-04-07 Display unit for office line attendant board

Country Status (1)

Country Link
JP (1) JPS54133008A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138915A (ja) * 1974-09-30 1976-03-31 Hitachi Ltd Kurosuhointosuitsuchi

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5138915A (ja) * 1974-09-30 1976-03-31 Hitachi Ltd Kurosuhointosuitsuchi

Also Published As

Publication number Publication date
JPS623628B2 (enrdf_load_stackoverflow) 1987-01-26

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