HU192380B - Flash-key circuit for breaking the subscriber's signalling line of telephone set with multifrequency change - Google Patents

Flash-key circuit for breaking the subscriber's signalling line of telephone set with multifrequency change Download PDF

Info

Publication number
HU192380B
HU192380B HU854931A HU493185A HU192380B HU 192380 B HU192380 B HU 192380B HU 854931 A HU854931 A HU 854931A HU 493185 A HU493185 A HU 493185A HU 192380 B HU192380 B HU 192380B
Authority
HU
Hungary
Prior art keywords
flash
circuit
subscriber line
key
capacitor
Prior art date
Application number
HU854931A
Other languages
English (en)
Hungarian (hu)
Other versions
HUT39303A (en
Inventor
Guenther Hannak
Original Assignee
Kapsch 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 Kapsch Ag filed Critical Kapsch Ag
Publication of HUT39303A publication Critical patent/HUT39303A/hu
Publication of HU192380B publication Critical patent/HU192380B/hu

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Relay Circuits (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)
HU854931A 1984-12-28 1985-12-20 Flash-key circuit for breaking the subscriber's signalling line of telephone set with multifrequency change HU192380B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0412384A AT384133B (de) 1984-12-28 1984-12-28 Flash-tastenschaltung

Publications (2)

Publication Number Publication Date
HUT39303A HUT39303A (en) 1986-08-28
HU192380B true HU192380B (en) 1987-05-28

Family

ID=3559965

Family Applications (1)

Application Number Title Priority Date Filing Date
HU854931A HU192380B (en) 1984-12-28 1985-12-20 Flash-key circuit for breaking the subscriber's signalling line of telephone set with multifrequency change

Country Status (5)

Country Link
AT (1) AT384133B (enrdf_load_stackoverflow)
DE (1) DE3543075A1 (enrdf_load_stackoverflow)
HU (1) HU192380B (enrdf_load_stackoverflow)
NL (1) NL8503570A (enrdf_load_stackoverflow)
NO (1) NO855248L (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19609233B4 (de) * 1996-03-09 2005-09-01 Deutsche Telekom Ag Verfahren zur Erzeugung eines Steuersignals in einem Impulswahlverfahren für eine öffentliche Vermittlungsstelle
DE19924850A1 (de) * 1999-05-29 2000-11-30 Deutsche Telekom Ag Vorschalteinrichtung zur Anpassung der Dauer des Flash-Impulses

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2432454A1 (de) * 1974-07-06 1976-01-22 Telefonbau & Normalzeit Gmbh Schaltungsanordnung zur bildung eines eine kurzzeitunterbrechung abgebenden zweipoles
DE2723985C3 (de) * 1977-05-27 1980-05-29 Krone Gmbh, 1000 Berlin Schaltungsanordnung zum Unterbrechen eines Leitungsstromes während einer vorbestimmten Zeit, insbesondere in Fernsprechteilnehmerstationen
DE2920944C2 (de) * 1979-05-21 1984-02-23 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Schaltungsanordnung für eine zeitlich definierte Leitungsunterbrechung (flash) in Fernmelde- insbesondere Fernsprechanlagen

Also Published As

Publication number Publication date
ATA412384A (de) 1987-02-15
AT384133B (de) 1987-10-12
DE3543075A1 (de) 1986-09-18
HUT39303A (en) 1986-08-28
NO855248L (no) 1986-06-30
DE3543075C2 (enrdf_load_stackoverflow) 1987-08-20
NL8503570A (nl) 1986-07-16

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Legal Events

Date Code Title Description
HU90 Patent valid on 900628
HMM4 Cancellation of final prot. due to non-payment of fee