FR479596A - Hand-held and semi-automatic telephone systems - Google Patents

Hand-held and semi-automatic telephone systems

Info

Publication number
FR479596A
FR479596A FR479596A FR479596DA FR479596A FR 479596 A FR479596 A FR 479596A FR 479596 A FR479596 A FR 479596A FR 479596D A FR479596D A FR 479596DA FR 479596 A FR479596 A FR 479596A
Authority
FR
France
Prior art keywords
semi
held
hand
telephone systems
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
FR479596A
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.)
Relay Automatic Telephone Company Ltd
Original Assignee
Relay Automatic Telephone Company Ltd
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 Relay Automatic Telephone Company Ltd filed Critical Relay Automatic Telephone Company Ltd
Application granted granted Critical
Publication of FR479596A publication Critical patent/FR479596A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges
    • H04M5/08—Manual exchanges using connecting means other than cords

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR479596A 1914-10-02 1915-08-25 Hand-held and semi-automatic telephone systems Expired FR479596A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191420453T 1914-10-02

Publications (1)

Publication Number Publication Date
FR479596A true FR479596A (en) 1916-04-12

Family

ID=34361166

Family Applications (1)

Application Number Title Priority Date Filing Date
FR479596A Expired FR479596A (en) 1914-10-02 1915-08-25 Hand-held and semi-automatic telephone systems

Country Status (2)

Country Link
FR (1) FR479596A (en)
GB (1) GB191420453A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7676231B2 (en) * 2005-04-13 2010-03-09 Intel Corporation Methods and apparatus for selecting communication channels based on channel load information

Also Published As

Publication number Publication date
GB191420453A (en) 1915-10-04

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