DE147424C - - Google Patents

Info

Publication number
DE147424C
DE147424C DENDAT147424D DE147424DA DE147424C DE 147424 C DE147424 C DE 147424C DE NDAT147424 D DENDAT147424 D DE NDAT147424D DE 147424D A DE147424D A DE 147424DA DE 147424 C DE147424 C DE 147424C
Authority
DE
Germany
Prior art keywords
call
battery
relay
office
station
Prior art date
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.)
Active
Application number
DENDAT147424D
Other languages
German (de)
English (en)
Publication of DE147424C publication Critical patent/DE147424C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
DENDAT147424D Active DE147424C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE147424C true DE147424C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=414605

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT147424D Active DE147424C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE147424C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772541A (en) * 1985-11-20 1988-09-20 The Mead Corporation Photohardenable compositions containing a dye borate complex and photosensitive materials employing the same
US4874450A (en) * 1987-01-29 1989-10-17 The Mead Corporation Laminating transparent or translucent materials using ionic dye-counter ion complexes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772541A (en) * 1985-11-20 1988-09-20 The Mead Corporation Photohardenable compositions containing a dye borate complex and photosensitive materials employing the same
US4874450A (en) * 1987-01-29 1989-10-17 The Mead Corporation Laminating transparent or translucent materials using ionic dye-counter ion complexes

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