DE3416220C2 - - Google Patents

Info

Publication number
DE3416220C2
DE3416220C2 DE19843416220 DE3416220A DE3416220C2 DE 3416220 C2 DE3416220 C2 DE 3416220C2 DE 19843416220 DE19843416220 DE 19843416220 DE 3416220 A DE3416220 A DE 3416220A DE 3416220 C2 DE3416220 C2 DE 3416220C2
Authority
DE
Germany
Legal status (The legal status 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 status listed.)
Expired
Application number
DE19843416220
Other versions
DE3416220A1 (de
Inventor
Des Erfinders Beantragt Teilnichtnennung
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DENK CHRISTINE 8000 MUENCHEN DE
Original Assignee
DENK CHRISTINE 8000 MUENCHEN DE
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 DENK CHRISTINE 8000 MUENCHEN DE filed Critical DENK CHRISTINE 8000 MUENCHEN DE
Priority to DE19843416220 priority Critical patent/DE3416220A1/de
Publication of DE3416220A1 publication Critical patent/DE3416220A1/de
Application granted granted Critical
Publication of DE3416220C2 publication Critical patent/DE3416220C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H04M3/14—Signalling existence of persistent "off-hook" condition

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
DE19843416220 1983-06-14 1984-05-02 Eingebautes zusatzkontrollgeraet fuer telefone als erinnerungsmelder mit akustischen rufsignalen Granted DE3416220A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843416220 DE3416220A1 (de) 1983-06-14 1984-05-02 Eingebautes zusatzkontrollgeraet fuer telefone als erinnerungsmelder mit akustischen rufsignalen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3321492 1983-06-14
DE19843416220 DE3416220A1 (de) 1983-06-14 1984-05-02 Eingebautes zusatzkontrollgeraet fuer telefone als erinnerungsmelder mit akustischen rufsignalen

Publications (2)

Publication Number Publication Date
DE3416220A1 DE3416220A1 (de) 1984-12-20
DE3416220C2 true DE3416220C2 (de) 1987-05-07

Family

ID=25811487

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843416220 Granted DE3416220A1 (de) 1983-06-14 1984-05-02 Eingebautes zusatzkontrollgeraet fuer telefone als erinnerungsmelder mit akustischen rufsignalen

Country Status (1)

Country Link
DE (1) DE3416220A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19644841A1 (de) * 1996-10-29 1998-04-30 Schmiedl Tim Telefonzusatzeinrichtung
DE19919514A1 (de) * 1999-04-29 2000-11-02 Deutsche Telekom Ag Anordnung zum Erkennen eines nicht aufgelegten Telefonhörers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2845320A1 (de) * 1978-10-18 1980-04-30 Zettler Elektrotechn Alois Gespraechszeiterfassungseinrichtung

Also Published As

Publication number Publication date
DE3416220A1 (de) 1984-12-20

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Legal Events

Date Code Title Description
OAV Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: H04M 15/30

D2 Grant after examination
8380 Miscellaneous part iii

Free format text: ES ERFOLGT EIN ERGAENZUNGSDRUCK MIT DER FEHLENDEN ZEICHNUNG

8364 No opposition during term of opposition
8320 Willingness to grant licenses declared (paragraph 23)
8339 Ceased/non-payment of the annual fee