CA285332A - High frequency duplex signalling system - Google Patents

High frequency duplex signalling system

Info

Publication number
CA285332A
CA285332A CA285332A CA285332DA CA285332A CA 285332 A CA285332 A CA 285332A CA 285332 A CA285332 A CA 285332A CA 285332D A CA285332D A CA 285332DA CA 285332 A CA285332 A CA 285332A
Authority
CA
Canada
Prior art keywords
high frequency
signalling system
frequency duplex
duplex signalling
signalling
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
CA285332A
Other languages
French (fr)
Inventor
F. Carter Emmett
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA285332A publication Critical patent/CA285332A/en
Expired legal-status Critical Current

Links

CA285332A High frequency duplex signalling system Expired CA285332A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA285332T

Publications (1)

Publication Number Publication Date
CA285332A true CA285332A (en) 1928-12-04

Family

ID=35222145

Family Applications (1)

Application Number Title Priority Date Filing Date
CA285332A Expired CA285332A (en) High frequency duplex signalling system

Country Status (1)

Country Link
CA (1) CA285332A (en)

Similar Documents

Publication Publication Date Title
AU975527A (en) High frequency signalling systems
CA278177A (en) Wave signalling system
CA277770A (en) Wave signalling system
CA285720A (en) Wave signaling system
CA277213A (en) Duplex telegraph system
CA277334A (en) Radio sending system
CA280933A (en) Radio frequency system
CA282309A (en) Radio transmitting system
CA278989A (en) Signalling system
CA285739A (en) Signalling system
CA277425A (en) Signalling system
CA283041A (en) Signalling system
CA277769A (en) Radio signalling system
CA283743A (en) Radio system
CA282374A (en) Signaling system
CA281071A (en) Shop-easy system
CA277214A (en) Duplex system of telegraphy
CA280405A (en) Electric wave signalling system
CA282314A (en) Radio receiving system
CA285962A (en) Radio receiving system
CA285320A (en) Radio receiving system
AU1587728A (en) Wave singalling system
AU1630828A (en) Signalling system
CA284417A (en) Signalling apparatus
CA278216A (en) Signalling apparatus