NL154083B - CIRCUIT FOR A TELEPHONE SYSTEM WITH SEVERAL CONNECTION LINES AND SEVERAL TALK UNITS THAT CAN BE CONNECTED BY OPERATING THE KEYS ASSOCIATED WITH THE LINES. - Google Patents

CIRCUIT FOR A TELEPHONE SYSTEM WITH SEVERAL CONNECTION LINES AND SEVERAL TALK UNITS THAT CAN BE CONNECTED BY OPERATING THE KEYS ASSOCIATED WITH THE LINES.

Info

Publication number
NL154083B
NL154083B NL7106392A NL7106392A NL154083B NL 154083 B NL154083 B NL 154083B NL 7106392 A NL7106392 A NL 7106392A NL 7106392 A NL7106392 A NL 7106392A NL 154083 B NL154083 B NL 154083B
Authority
NL
Netherlands
Prior art keywords
several
lines
operating
circuit
telephone system
Prior art date
Application number
NL7106392A
Other languages
Dutch (nl)
Other versions
NL7106392A (en
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
Priority claimed from DE19702024360 external-priority patent/DE2024360C/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of NL7106392A publication Critical patent/NL7106392A/xx
Publication of NL154083B publication Critical patent/NL154083B/en

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
NL7106392A 1970-05-19 1971-05-10 CIRCUIT FOR A TELEPHONE SYSTEM WITH SEVERAL CONNECTION LINES AND SEVERAL TALK UNITS THAT CAN BE CONNECTED BY OPERATING THE KEYS ASSOCIATED WITH THE LINES. NL154083B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702024360 DE2024360C (en) 1970-05-19 Circuit arrangement for telephone systems with several connecting lines and several intercom stations that can be connected to these lines by actuating individual buttons assigned to the lines

Publications (2)

Publication Number Publication Date
NL7106392A NL7106392A (en) 1971-11-23
NL154083B true NL154083B (en) 1977-07-15

Family

ID=5771461

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7106392A NL154083B (en) 1970-05-19 1971-05-10 CIRCUIT FOR A TELEPHONE SYSTEM WITH SEVERAL CONNECTION LINES AND SEVERAL TALK UNITS THAT CAN BE CONNECTED BY OPERATING THE KEYS ASSOCIATED WITH THE LINES.

Country Status (7)

Country Link
AT (1) AT308841B (en)
BE (1) BE767393A (en)
CH (1) CH521075A (en)
FR (1) FR2112891A5 (en)
GB (1) GB1309498A (en)
LU (1) LU63172A1 (en)
NL (1) NL154083B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605540A1 (en) * 1976-02-10 1977-08-11 Deutsche Telephonwerk Kabel TELEPHONE SYSTEM, IN PARTICULAR KEY-CONTROLLED SERIES SYSTEM WITH LIS-TO-SPEAK DEVICES

Also Published As

Publication number Publication date
FR2112891A5 (en) 1972-06-23
AT308841B (en) 1973-07-25
LU63172A1 (en) 1971-09-01
CH521075A (en) 1972-03-31
BE767393A (en) 1971-11-19
DE2024360A1 (en) 1971-11-25
GB1309498A (en) 1973-03-14
NL7106392A (en) 1971-11-23
DE2024360B2 (en) 1971-11-25

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: SIEMENS