FR845611A - Improvements to switching devices that can be used, for example, in automatic telephone systems - Google Patents

Improvements to switching devices that can be used, for example, in automatic telephone systems

Info

Publication number
FR845611A
FR845611A FR845611DA FR845611A FR 845611 A FR845611 A FR 845611A FR 845611D A FR845611D A FR 845611DA FR 845611 A FR845611 A FR 845611A
Authority
FR
France
Prior art keywords
switching devices
telephone systems
automatic telephone
automatic
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 FR845611A publication Critical patent/FR845611A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/02—Multi-position wiper switches
    • H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
    • H01H67/06—Rotary switches, i.e. having angularly movable wipers
FR845611D 1937-11-10 1938-11-04 Improvements to switching devices that can be used, for example, in automatic telephone systems Expired FR845611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE238418X 1937-11-10

Publications (1)

Publication Number Publication Date
FR845611A true FR845611A (en) 1939-08-29

Family

ID=3866356

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845611D Expired FR845611A (en) 1937-11-10 1938-11-04 Improvements to switching devices that can be used, for example, in automatic telephone systems

Country Status (3)

Country Link
CH (1) CH238418A (en)
FR (1) FR845611A (en)
GB (1) GB521144A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1110694B (en) * 1959-04-11 1961-07-13 Schori Ag Ernst Selection device for telecommunications, especially telephone systems

Also Published As

Publication number Publication date
CH238418A (en) 1945-07-15
GB521144A (en) 1940-05-14

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