DE9213688U1 - - Google Patents

Info

Publication number
DE9213688U1
DE9213688U1 DE9213688U DE9213688U DE9213688U1 DE 9213688 U1 DE9213688 U1 DE 9213688U1 DE 9213688 U DE9213688 U DE 9213688U DE 9213688 U DE9213688 U DE 9213688U DE 9213688 U1 DE9213688 U1 DE 9213688U1
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 - Lifetime
Application number
DE9213688U
Other languages
German (de)
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.)
ZULKOWSKI RENE 2400 LUEBECK-TRAVEMUENDE DE
Original Assignee
ZULKOWSKI RENE 2400 LUEBECK-TRAVEMUENDE 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 ZULKOWSKI RENE 2400 LUEBECK-TRAVEMUENDE DE filed Critical ZULKOWSKI RENE 2400 LUEBECK-TRAVEMUENDE DE
Priority to DE9213688U priority Critical patent/DE9213688U1/de
Publication of DE9213688U1 publication Critical patent/DE9213688U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0291—Door telephones

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
DE9213688U 1992-10-10 1992-10-10 Expired - Lifetime DE9213688U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9213688U DE9213688U1 (en) 1992-10-10 1992-10-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9213688U DE9213688U1 (en) 1992-10-10 1992-10-10

Publications (1)

Publication Number Publication Date
DE9213688U1 true DE9213688U1 (en) 1993-02-11

Family

ID=6884684

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9213688U Expired - Lifetime DE9213688U1 (en) 1992-10-10 1992-10-10

Country Status (1)

Country Link
DE (1) DE9213688U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9312310U1 (en) * 1993-08-18 1993-11-18 Huebers Kai Door intercom with answering machine
DE4400063A1 (en) * 1994-01-04 1995-07-06 Klaus Thomaier Door intercom. system suitable for entryphone
US6233328B1 (en) 1995-03-30 2001-05-15 Michael Wolf Door intercom

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9312310U1 (en) * 1993-08-18 1993-11-18 Huebers Kai Door intercom with answering machine
DE4400063A1 (en) * 1994-01-04 1995-07-06 Klaus Thomaier Door intercom. system suitable for entryphone
US6233328B1 (en) 1995-03-30 2001-05-15 Michael Wolf Door intercom

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