NL153750B - CIRCUIT FOR A DIALING STATION WITH A GROUND KEY AND A DIAL OR KEYPAD IN A COMMUNICATION SYSTEM, ESPECIALLY HOME PHONE SYSTEM. - Google Patents

CIRCUIT FOR A DIALING STATION WITH A GROUND KEY AND A DIAL OR KEYPAD IN A COMMUNICATION SYSTEM, ESPECIALLY HOME PHONE SYSTEM.

Info

Publication number
NL153750B
NL153750B NL6513143A NL6513143A NL153750B NL 153750 B NL153750 B NL 153750B NL 6513143 A NL6513143 A NL 6513143A NL 6513143 A NL6513143 A NL 6513143A NL 153750 B NL153750 B NL 153750B
Authority
NL
Netherlands
Prior art keywords
keypad
dial
circuit
home phone
communication system
Prior art date
Application number
NL6513143A
Other languages
Dutch (nl)
Other versions
NL6513143A (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
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of NL6513143A publication Critical patent/NL6513143A/xx
Publication of NL153750B publication Critical patent/NL153750B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • 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
    • H04M1/53—Generation of additional signals, e.g. additional pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
NL6513143A 1964-10-23 1965-10-11 CIRCUIT FOR A DIALING STATION WITH A GROUND KEY AND A DIAL OR KEYPAD IN A COMMUNICATION SYSTEM, ESPECIALLY HOME PHONE SYSTEM. NL153750B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964S0093863 DE1211288C2 (en) 1964-10-23 1964-10-23 CIRCUIT ARRANGEMENT FOR DIALING STATIONS IN TELEPHONE SYSTEMS, IN PARTICULAR TELEPHONE EXTENSION SYSTEMS WITH EARTH BUTTON

Publications (2)

Publication Number Publication Date
NL6513143A NL6513143A (en) 1966-04-25
NL153750B true NL153750B (en) 1977-06-15

Family

ID=7518315

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6513143A NL153750B (en) 1964-10-23 1965-10-11 CIRCUIT FOR A DIALING STATION WITH A GROUND KEY AND A DIAL OR KEYPAD IN A COMMUNICATION SYSTEM, ESPECIALLY HOME PHONE SYSTEM.

Country Status (7)

Country Link
AT (1) AT259034B (en)
BE (1) BE671296A (en)
CH (1) CH441446A (en)
DE (1) DE1211288C2 (en)
GB (1) GB1077478A (en)
NL (1) NL153750B (en)
SE (1) SE318913B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2210852C2 (en) * 1972-03-07 1982-07-29 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Dial pulse code generator - has bistable relay connecting and disconnecting power supply to subscriber line
DE3541546A1 (en) * 1985-11-25 1987-05-27 Ant Nachrichtentech Arrangement for the implementation of an earth key function

Also Published As

Publication number Publication date
SE318913B (en) 1969-12-22
CH441446A (en) 1967-08-15
NL6513143A (en) 1966-04-25
AT259034B (en) 1967-12-27
BE671296A (en) 1966-04-22
DE1211288C2 (en) 1975-01-09
DE1211288B (en) 1975-01-09
GB1077478A (en) 1967-07-26

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