FR815554A - Automatic telephone system operated by dialers and recorders - Google Patents

Automatic telephone system operated by dialers and recorders

Info

Publication number
FR815554A
FR815554A FR815554DA FR815554A FR 815554 A FR815554 A FR 815554A FR 815554D A FR815554D A FR 815554DA FR 815554 A FR815554 A FR 815554A
Authority
FR
France
Prior art keywords
dialers
recorders
telephone system
system operated
automatic telephone
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.)
Expired
Application number
Other languages
French (fr)
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens 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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR815554A publication Critical patent/FR815554A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Relay Circuits (AREA)
FR815554D 1936-06-30 1936-06-30 Automatic telephone system operated by dialers and recorders Expired FR815554A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR815554T 1936-06-30

Publications (1)

Publication Number Publication Date
FR815554A true FR815554A (en) 1937-07-16

Family

ID=9267332

Family Applications (1)

Application Number Title Priority Date Filing Date
FR815554D Expired FR815554A (en) 1936-06-30 1936-06-30 Automatic telephone system operated by dialers and recorders

Country Status (2)

Country Link
US (1) US2211159A (en)
FR (1) FR815554A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE751496C (en) * 1942-02-25 1954-05-10 Siemens & Halske A G Circuit arrangement for a cross-connection traffic to be carried out between independent telephone systems with their own ungrounded battery

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB586380A (en) * 1944-12-08 1947-03-17 Automatic Telephone & Elect Improvements in telephone systems
US2504959A (en) * 1945-03-27 1950-04-25 Int Standard Electric Corp Line class detecting system
FR965255A (en) * 1947-04-24 1950-09-07
US2603717A (en) * 1947-07-10 1952-07-15 Automatic Elect Lab Carrier telephone system
GB944162A (en) * 1956-05-08 1963-12-11 Standard Telephones Cables Ltd Improvements in or relating to automatic telephone exchanges

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE751496C (en) * 1942-02-25 1954-05-10 Siemens & Halske A G Circuit arrangement for a cross-connection traffic to be carried out between independent telephone systems with their own ungrounded battery

Also Published As

Publication number Publication date
US2211159A (en) 1940-08-13

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