ATE186166T1 - Anzeigesystem des leitungszustands einer fernsprechvermittlungsanlage - Google Patents

Anzeigesystem des leitungszustands einer fernsprechvermittlungsanlage

Info

Publication number
ATE186166T1
ATE186166T1 AT91907700T AT91907700T ATE186166T1 AT E186166 T1 ATE186166 T1 AT E186166T1 AT 91907700 T AT91907700 T AT 91907700T AT 91907700 T AT91907700 T AT 91907700T AT E186166 T1 ATE186166 T1 AT E186166T1
Authority
AT
Austria
Prior art keywords
circuit
displaying
terminals
exchange
state
Prior art date
Application number
AT91907700T
Other languages
English (en)
Inventor
Yoshihisa Kouyoumachi Domoto
Toshie Nakamachi Takahashi
Toshimi Aza Ryugababa Kurumada
Original Assignee
Hitachi Telecomm Tech
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 Telecomm Tech filed Critical Hitachi Telecomm Tech
Application granted granted Critical
Publication of ATE186166T1 publication Critical patent/ATE186166T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • 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
    • H04M3/62—Keyboard equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Alarm Systems (AREA)
  • Telephonic Communication Services (AREA)
AT91907700T 1990-04-20 1991-04-19 Anzeigesystem des leitungszustands einer fernsprechvermittlungsanlage ATE186166T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2102977A JP2892100B2 (ja) 1990-04-20 1990-04-20 自動電話交換システムの回線状態表示方式

Publications (1)

Publication Number Publication Date
ATE186166T1 true ATE186166T1 (de) 1999-11-15

Family

ID=14341802

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91907700T ATE186166T1 (de) 1990-04-20 1991-04-19 Anzeigesystem des leitungszustands einer fernsprechvermittlungsanlage

Country Status (5)

Country Link
EP (1) EP0525189B1 (de)
JP (1) JP2892100B2 (de)
AT (1) ATE186166T1 (de)
DE (1) DE69131751T2 (de)
WO (1) WO1991016780A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08111858A (ja) * 1994-10-12 1996-04-30 Hitachi Ltd テレビ対話監視システム
JPH11122347A (ja) 1997-10-15 1999-04-30 Hitachi Telecom Technol Ltd 他ページ話中表示方式
JP4652062B2 (ja) * 2005-01-17 2011-03-16 Ｎｅｃインフロンティア株式会社 キーテレホンシステム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2517910B2 (ja) * 1986-05-29 1996-07-24 日本電信電話株式会社 ボタン電話の制御方式
JPH01293745A (ja) * 1988-05-23 1989-11-27 Matsushita Electric Ind Co Ltd 電話装置

Also Published As

Publication number Publication date
EP0525189A4 (de) 1994-01-12
DE69131751T2 (de) 2000-04-27
DE69131751D1 (de) 1999-12-02
JPH043562A (ja) 1992-01-08
WO1991016780A1 (fr) 1991-10-31
EP0525189A1 (de) 1993-02-03
JP2892100B2 (ja) 1999-05-17
EP0525189B1 (de) 1999-10-27

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties