FR663090A - Improvements to automatic or semi-automatic telephone systems - Google Patents

Improvements to automatic or semi-automatic telephone systems

Info

Publication number
FR663090A
FR663090A FR663090DA FR663090A FR 663090 A FR663090 A FR 663090A FR 663090D A FR663090D A FR 663090DA FR 663090 A FR663090 A FR 663090A
Authority
FR
France
Prior art keywords
automatic
semi
telephone systems
automatic telephone
systems
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR663090A publication Critical patent/FR663090A/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)
  • Monitoring And Testing Of Exchanges (AREA)
FR663090D 1927-11-02 1928-10-27 Improvements to automatic or semi-automatic telephone systems Expired FR663090A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2929527A GB307369A (en) 1927-11-02 1927-11-02 Improvements in automatic or semi-automatic telephone systems

Publications (1)

Publication Number Publication Date
FR663090A true FR663090A (en) 1929-08-16

Family

ID=10289267

Family Applications (1)

Application Number Title Priority Date Filing Date
FR663090D Expired FR663090A (en) 1927-11-02 1928-10-27 Improvements to automatic or semi-automatic telephone systems

Country Status (2)

Country Link
FR (1) FR663090A (en)
GB (1) GB307369A (en)

Also Published As

Publication number Publication date
GB307369A (en) 1929-03-04

Similar Documents

Publication Publication Date Title
FR654067A (en) Improvements to automatic or semi-automatic telephone systems
FR711122A (en) Improvements to automatic or semi-automatic telephone systems
FR698488A (en) Improvements to automatic or semi-automatic telephone systems
FR687017A (en) Improvements to automatic or semi-automatic telephone systems
FR643424A (en) Improvements to automatic or semi-automatic telephone systems
FR649430A (en) Improvements to automatic or semi-automatic telephone systems
FR663090A (en) Improvements to automatic or semi-automatic telephone systems
FR614279A (en) Improvements to automatic or semi-automatic telephone systems
FR693974A (en) Improvements to automatic or semi-automatic telephone systems
FR683358A (en) Improvements to automatic telephone systems
FR614153A (en) Improvements to automatic or semi-automatic telephone systems
FR616718A (en) Improvements to automatic or semi-automatic telephone systems
FR659757A (en) Improvements to automatic or semi-automatic telephone systems
FR665397A (en) Improvements to automatic or semi-automatic telephone systems
FR664862A (en) Improvements to automatic or semi-automatic telephone systems
FR679639A (en) Improvements to automatic or semi-automatic telephone systems
FR623324A (en) Improvements relating to automatic or semi-automatic telephone systems
FR612702A (en) Improvements to automatic or semi-automatic telephone systems
FR655242A (en) Improvements to automatic telephone systems
FR646243A (en) Improvements to automatic telephone systems
FR595106A (en) Improvements to automatic or semi-automatic telephone systems
FR655256A (en) Improvements to semi-automatic telephone systems
FR625411A (en) Improvements to automatic telephone systems
FR620559A (en) Improvements to automatic telephone systems
FR724229A (en) Improvements to automatic or semi-automatic telephone systems