FR856462A - Improvements to automatic switches applicable in particular to telephone and similar systems - Google Patents

Improvements to automatic switches applicable in particular to telephone and similar systems

Info

Publication number
FR856462A
FR856462A FR856462DA FR856462A FR 856462 A FR856462 A FR 856462A FR 856462D A FR856462D A FR 856462DA FR 856462 A FR856462 A FR 856462A
Authority
FR
France
Prior art keywords
telephone
similar systems
automatic switches
applicable
switches applicable
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.)
Associated Electric Laboratories Inc
Original Assignee
Associated Electric Laboratories Inc
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 Associated Electric Laboratories Inc filed Critical Associated Electric Laboratories Inc
Application granted granted Critical
Publication of FR856462A publication Critical patent/FR856462A/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
    • H01H67/12—Linear-motion switches
FR856462D 1938-06-20 1939-06-16 Improvements to automatic switches applicable in particular to telephone and similar systems Expired FR856462A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US856462XA 1938-06-20 1938-06-20

Publications (1)

Publication Number Publication Date
FR856462A true FR856462A (en) 1940-06-14

Family

ID=22193018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856462D Expired FR856462A (en) 1938-06-20 1939-06-16 Improvements to automatic switches applicable in particular to telephone and similar systems

Country Status (1)

Country Link
FR (1) FR856462A (en)

Similar Documents

Publication Publication Date Title
FR865522A (en) Improvements to telephone systems
FR835896A (en) Electrical and electromechanical systems
FR861968A (en) Improvements to television systems
FR856153A (en) Improvements to telephone systems
FR50613E (en) Improvements to television systems
FR851501A (en) Television communications methods and systems
FR887178A (en) Telephone and analog systems
FR853306A (en) Improvements to television systems and the like
FR951758A (en) Improvements to telephone systems
FR856462A (en) Improvements to automatic switches applicable in particular to telephone and similar systems
FR852823A (en) Telephone or similar systems
FR844298A (en) Two-sided telephone systems and analog transmission systems
FR860087A (en) Telegraph and analog systems
FR854039A (en) Improvements to telephone systems
FR861960A (en) Photoelectric and similar systems
FR50966E (en) Television and analog receiver systems
ES177002A1 (en) IMPROVEMENTS IN OR RELATIVE TO RECEIVING RADIO AND TELEVISION SYSTEMS
FR853385A (en) Improvements to telephone systems
FR862315A (en) Telephone and analog transmission systems
FR865591A (en) Telephone switches and the like
FR931904A (en) Improvements to telephone systems
FR907118A (en) Improvements to automatic switches used in telephony and other similar systems
FR852985A (en) Improvements to automatic telephone systems
FR858681A (en) Television communication systems and methods
FR842110A (en) Improvements to telephone systems