IN167984B - - Google Patents

Info

Publication number
IN167984B
IN167984B IN599/CAL/87A IN599CA1987A IN167984B IN 167984 B IN167984 B IN 167984B IN 599CA1987 A IN599CA1987 A IN 599CA1987A IN 167984 B IN167984 B IN 167984B
Authority
IN
India
Application number
IN599/CAL/87A
Other languages
English (en)
Inventor
Wolfgang Strzeletz
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IN167984B publication Critical patent/IN167984B/en

Links

Classifications

    • 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
    • H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
IN599/CAL/87A 1986-09-23 1987-08-03 IN167984B (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3632200 1986-09-23

Publications (1)

Publication Number Publication Date
IN167984B true IN167984B (ja) 1991-01-19

Family

ID=6310099

Family Applications (1)

Application Number Title Priority Date Filing Date
IN599/CAL/87A IN167984B (ja) 1986-09-23 1987-08-03

Country Status (4)

Country Link
EP (1) EP0264644A3 (ja)
AU (1) AU600523B2 (ja)
FI (1) FI874140A (ja)
IN (1) IN167984B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN164858B (ja) * 1986-09-11 1989-06-17 Siemens Ag
ES2046112B1 (es) * 1992-04-24 1996-11-16 Revenga Ingenieros S A Equipo telefonico para lineas directas punto a punto.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7907134A (nl) * 1979-09-25 1981-03-27 Ericsson Telefon Mij Telefooninstallatie van de als sterpuntinstallatie aangeduide soort.
AT377606B (de) * 1981-08-07 1985-04-10 Dynamit Nobel Ag Sprengmomentzuender
US4490583A (en) * 1983-02-14 1984-12-25 Circom, Inc. Plural line telephone controller
JPS6152053A (ja) * 1984-08-20 1986-03-14 Nec Corp ダイヤルインパルス送出回路
IN164858B (ja) * 1986-09-11 1989-06-17 Siemens Ag

Also Published As

Publication number Publication date
FI874140A0 (fi) 1987-09-22
EP0264644A2 (de) 1988-04-27
AU7883587A (en) 1988-03-31
EP0264644A3 (de) 1989-06-14
AU600523B2 (en) 1990-08-16
FI874140A (fi) 1988-03-24

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