CA172543A - Radio telegraph and telephone system - Google Patents

Radio telegraph and telephone system

Info

Publication number
CA172543A
CA172543A CA000172543A CA172543DA CA172543A CA 172543 A CA172543 A CA 172543A CA 000172543 A CA000172543 A CA 000172543A CA 172543D A CA172543D A CA 172543DA CA 172543 A CA172543 A CA 172543A
Authority
CA
Canada
Prior art keywords
telephone system
radio telegraph
telegraph
radio
telephone
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
CA000172543A
Other languages
French (fr)
Inventor
Frederick G. Simpson
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA172543A publication Critical patent/CA172543A/en
Expired legal-status Critical Current

Links

CA000172543A 1916-06-27 1916-06-27 Radio telegraph and telephone system Expired CA172543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA172543T 1916-06-27

Publications (1)

Publication Number Publication Date
CA172543A true CA172543A (en) 1916-10-17

Family

ID=45292197

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000172543A Expired CA172543A (en) 1916-06-27 1916-06-27 Radio telegraph and telephone system

Country Status (1)

Country Link
CA (1) CA172543A (en)

Similar Documents

Publication Publication Date Title
CA172543A (en) Radio telegraph and telephone system
CA172542A (en) Radio telegraph and telephone apparatus
CA174361A (en) Wireless telegraph and telephone system
CA181500A (en) Telegraph and telephone receiving system
CA175489A (en) Wireless telegraphy and telephone apparatus
AU1641915A (en) Improvements in wireless telegraph and telephone systems
CA171903A (en) Wireless telegraph receiver
CA180279A (en) Telegraph system
CA180280A (en) Telegraph system
CA183654A (en) Telegraph system
CA175732A (en) Telephone transmission system
CA172953A (en) Telephone system
CA173904A (en) Telephone system
CA174086A (en) Telephone system
CA175427A (en) Telephone system
CA175624A (en) Telephone system
CA175625A (en) Telephone system
CA176096A (en) Telephone system
CA176356A (en) Telephone system
CA176770A (en) Telephone system
CA177083A (en) Telephone system
CA177491A (en) Telephone system
CA178265A (en) Telephone system
CA178319A (en) Telephone system
CA178633A (en) Telephone system