CA387712A - Electric wave signalling system - Google Patents

Electric wave signalling system

Info

Publication number
CA387712A
CA387712A CA387712A CA387712DA CA387712A CA 387712 A CA387712 A CA 387712A CA 387712 A CA387712 A CA 387712A CA 387712D A CA387712D A CA 387712DA CA 387712 A CA387712 A CA 387712A
Authority
CA
Canada
Prior art keywords
electric wave
signalling system
wave signalling
electric
wave
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
CA387712A
Other languages
French (fr)
Inventor
G. Cooley Austin
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA387712A publication Critical patent/CA387712A/en
Expired legal-status Critical Current

Links

CA387712A Electric wave signalling system Expired CA387712A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA387712T

Publications (1)

Publication Number Publication Date
CA387712A true CA387712A (en) 1940-04-02

Family

ID=35392910

Family Applications (1)

Application Number Title Priority Date Filing Date
CA387712A Expired CA387712A (en) Electric wave signalling system

Country Status (1)

Country Link
CA (1) CA387712A (en)

Similar Documents

Publication Publication Date Title
CA387712A (en) Electric wave signalling system
CA387568A (en) Electric signalling system
CA388505A (en) Electric frequency reducing system
CA386072A (en) Electrical system
AU113549B2 (en) Improvements relating to electric signalling systems
AU114864B2 (en) Electric signalling system
CA386093A (en) Signalling system
CA386248A (en) Signalling system
CA386766A (en) Signalling system
CA387948A (en) Signalling system
CA390554A (en) Signalling system
CA388261A (en) Electric wave amplifying system
CA388262A (en) Electric wave amplifying system
CA388263A (en) Electric wave amplifying system
CA388047A (en) Electric conversion system
CA392928A (en) Short wave communication system
CA388050A (en) Power system
CA389696A (en) Power system
CA391602A (en) Electrical indicating system
CA386223A (en) Telegraph system
CA393493A (en) Electric motor system
CA392382A (en) Frequency selective system
CA388246A (en) Electric clock system
CA392489A (en) Electric commutation system
AU335140A (en) Improvements relating to electric signalling systems