CA526699A - Privacy equipment for telephone and other communication systems - Google Patents

Privacy equipment for telephone and other communication systems

Info

Publication number
CA526699A
CA526699A CA526699A CA526699DA CA526699A CA 526699 A CA526699 A CA 526699A CA 526699 A CA526699 A CA 526699A CA 526699D A CA526699D A CA 526699DA CA 526699 A CA526699 A CA 526699A
Authority
CA
Canada
Prior art keywords
telephone
communication systems
privacy equipment
privacy
equipment
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
CA526699A
Other languages
French (fr)
Inventor
Jefferson Harold
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.)
CMC Electronics Inc
Original Assignee
Canadian Marconi Co
Publication date
Application granted granted Critical
Publication of CA526699A publication Critical patent/CA526699A/en
Expired legal-status Critical Current

Links

CA526699A Privacy equipment for telephone and other communication systems Expired CA526699A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA526699T

Publications (1)

Publication Number Publication Date
CA526699A true CA526699A (en) 1956-06-19

Family

ID=35680421

Family Applications (1)

Application Number Title Priority Date Filing Date
CA526699A Expired CA526699A (en) Privacy equipment for telephone and other communication systems

Country Status (1)

Country Link
CA (1) CA526699A (en)

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