DE275426C - - Google Patents

Info

Publication number
DE275426C
DE275426C DENDAT275426D DE275426DA DE275426C DE 275426 C DE275426 C DE 275426C DE NDAT275426 D DENDAT275426 D DE NDAT275426D DE 275426D A DE275426D A DE 275426DA DE 275426 C DE275426 C DE 275426C
Authority
DE
Germany
Prior art keywords
line
alarm clock
contact
circuit
alarm
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
DENDAT275426D
Other languages
German (de)
English (en)
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.)
Publication of DE275426C publication Critical patent/DE275426C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
    • H04Q5/14—Signalling by pulses
    • H04Q5/16—Signalling by pulses by predetermined number of pulses
    • 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
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/18—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with indirect connection, i.e. through subordinate switching centre
    • H04Q5/20—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with indirect connection, i.e. through subordinate switching centre the subordinate centre permitting interconnection of subscribers connected thereto
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/18—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with indirect connection, i.e. through subordinate switching centre
    • H04Q5/22—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with indirect connection, i.e. through subordinate switching centre the subordinate centre not permitting interconnection of subscribers connected thereto

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Relay Circuits (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Emergency Protection Circuit Devices (AREA)
DENDAT275426D 1911-03-30 Active DE275426C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US431764XA 1911-03-30 1911-03-30

Publications (1)

Publication Number Publication Date
DE275426C true DE275426C (da)

Family

ID=8658837

Family Applications (3)

Application Number Title Priority Date Filing Date
DENDAT255339D Active DE255339C (da) 1911-03-30
DENDAT251835D Active DE251835C (da) 1911-03-30
DENDAT275426D Active DE275426C (da) 1911-03-30

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DENDAT255339D Active DE255339C (da) 1911-03-30
DENDAT251835D Active DE251835C (da) 1911-03-30

Country Status (2)

Country Link
DE (3) DE275426C (da)
FR (7) FR431764A (da)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5957639A (en) * 1996-10-04 1999-09-28 E.P.B. Emile Pfalzgraf (Societe Anonyme) Hollow cone device for gripping attachments
US6796756B1 (en) * 1999-05-05 2004-09-28 Joerg Guehring Clamping system for high speeds
US7731458B2 (en) 2004-02-12 2010-06-08 Joerg Guehring Clamping element for tool holders

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078870A (en) * 1959-05-29 1963-02-26 Babson Bros Co Vacuum regulator
FR2574608A1 (fr) * 1984-12-06 1986-06-13 Arribe Jean Igor Appareillage multiplieur de lignes telecommunications

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5957639A (en) * 1996-10-04 1999-09-28 E.P.B. Emile Pfalzgraf (Societe Anonyme) Hollow cone device for gripping attachments
US6796756B1 (en) * 1999-05-05 2004-09-28 Joerg Guehring Clamping system for high speeds
US7731458B2 (en) 2004-02-12 2010-06-08 Joerg Guehring Clamping element for tool holders

Also Published As

Publication number Publication date
FR431764A (fr) 1911-11-20
FR16960E (fr) 1913-05-26
FR14781E (fr) 1912-02-12
DE255339C (da)
DE251835C (da)
FR16961E (da)
FR14528E (fr) 1911-12-30
FR17998E (fr) 1914-01-05
FR14496E (fr) 1911-12-19

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