AT245055B - Circuit arrangement for dialing a conversation partner by means of dialing keys - Google Patents

Circuit arrangement for dialing a conversation partner by means of dialing keys

Info

Publication number
AT245055B
AT245055B AT932764A AT932764A AT245055B AT 245055 B AT245055 B AT 245055B AT 932764 A AT932764 A AT 932764A AT 932764 A AT932764 A AT 932764A AT 245055 B AT245055 B AT 245055B
Authority
AT
Austria
Prior art keywords
dialing
circuit arrangement
conversation partner
keys
dialing keys
Prior art date
Application number
AT932764A
Other languages
German (de)
Inventor
Winfried Ing Schuberth
Original Assignee
Standard Telephon & Telegraph
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 Standard Telephon & Telegraph filed Critical Standard Telephon & Telegraph
Priority to AT932764A priority Critical patent/AT245055B/en
Priority to US499837A priority patent/US3487171A/en
Priority to GB45864/65A priority patent/GB1058540A/en
Priority to DEI29295A priority patent/DE1283923B/en
Application granted granted Critical
Publication of AT245055B publication Critical patent/AT245055B/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
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange
AT932764A 1964-11-04 1964-11-04 Circuit arrangement for dialing a conversation partner by means of dialing keys AT245055B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT932764A AT245055B (en) 1964-11-04 1964-11-04 Circuit arrangement for dialing a conversation partner by means of dialing keys
US499837A US3487171A (en) 1964-11-04 1965-10-21 Circuit arrangement for selecting a telephone extension by selector keys
GB45864/65A GB1058540A (en) 1964-11-04 1965-10-29 Circuit arrangement for selecting a wanted line in a telecommunication exchange
DEI29295A DE1283923B (en) 1964-11-04 1965-10-30 Method and circuit arrangement for asymmetrical direct current push-button selection in telecommunications, in particular telephone switching systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT932764A AT245055B (en) 1964-11-04 1964-11-04 Circuit arrangement for dialing a conversation partner by means of dialing keys

Publications (1)

Publication Number Publication Date
AT245055B true AT245055B (en) 1966-02-10

Family

ID=3613179

Family Applications (1)

Application Number Title Priority Date Filing Date
AT932764A AT245055B (en) 1964-11-04 1964-11-04 Circuit arrangement for dialing a conversation partner by means of dialing keys

Country Status (4)

Country Link
US (1) US3487171A (en)
AT (1) AT245055B (en)
DE (1) DE1283923B (en)
GB (1) GB1058540A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1290723A (en) * 1969-10-02 1972-09-27
DE2852488C2 (en) * 1978-12-05 1982-05-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart Circuit arrangement for evaluating coded direct current push-button dialing codes in telephone systems with subscriber connection lines of different lengths

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2278410A (en) * 1940-10-08 1942-04-07 Bell Telephone Labor Inc Telephone system
US2400148A (en) * 1943-06-23 1946-05-14 Bell Telephone Labor Inc Telephone call transmitting device
US3328533A (en) * 1964-06-18 1967-06-27 Columbia Ribbon & Carbon Direct key calling telephone station having binary converting means

Also Published As

Publication number Publication date
GB1058540A (en) 1967-02-15
DE1283923B (en) 1968-11-28
US3487171A (en) 1969-12-30

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