FR420818A - Advanced switching device - Google Patents

Advanced switching device

Info

Publication number
FR420818A
FR420818A FR420818A FR420818DA FR420818A FR 420818 A FR420818 A FR 420818A FR 420818 A FR420818 A FR 420818A FR 420818D A FR420818D A FR 420818DA FR 420818 A FR420818 A FR 420818A
Authority
FR
France
Prior art keywords
switching device
advanced switching
advanced
switching
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
FR420818A
Other languages
French (fr)
Inventor
Sydney Stein
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.)
SYDNEY STEIN
Original Assignee
SYDNEY STEIN
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 SYDNEY STEIN filed Critical SYDNEY STEIN
Application granted granted Critical
Publication of FR420818A publication Critical patent/FR420818A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/06—Hooks; Cradles
    • H04M1/08—Hooks; Cradles associated with switches operated by the weight of the receiver or hand-set

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Transceivers (AREA)
FR420818A 1910-09-27 1910-09-27 Advanced switching device Expired FR420818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191022412T 1910-09-27

Publications (1)

Publication Number Publication Date
FR420818A true FR420818A (en) 1911-02-08

Family

ID=32493488

Family Applications (1)

Application Number Title Priority Date Filing Date
FR420818A Expired FR420818A (en) 1910-09-27 1910-09-27 Advanced switching device

Country Status (3)

Country Link
DE (1) DE255242C (en)
FR (1) FR420818A (en)
GB (1) GB191022412A (en)

Also Published As

Publication number Publication date
DE255242C (en)
GB191022412A (en) 1911-03-02

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