CA1025055A - Multiple zone communications system and method - Google Patents

Multiple zone communications system and method

Info

Publication number
CA1025055A
CA1025055A CA273,882A CA273882A CA1025055A CA 1025055 A CA1025055 A CA 1025055A CA 273882 A CA273882 A CA 273882A CA 1025055 A CA1025055 A CA 1025055A
Authority
CA
Canada
Prior art keywords
communications system
multiple zone
zone communications
zone
communications
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
CA273,882A
Other languages
French (fr)
Inventor
Joel D. Wells
George F. Mcclure
Lionel D. Freeman
John R. Endicott
Marion L. Cunningham
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.)
Martin Marietta Corp
Original Assignee
Martin Marietta Corp
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
Priority claimed from US360560A external-priority patent/US3898390A/en
Application filed by Martin Marietta Corp filed Critical Martin Marietta Corp
Priority to CA273,882A priority Critical patent/CA1025055A/en
Application granted granted Critical
Publication of CA1025055A publication Critical patent/CA1025055A/en
Expired legal-status Critical Current

Links

CA273,882A 1973-05-15 1977-03-14 Multiple zone communications system and method Expired CA1025055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA273,882A CA1025055A (en) 1973-05-15 1977-03-14 Multiple zone communications system and method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US360560A US3898390A (en) 1973-05-15 1973-05-15 Multiple zone communications system and method
CA199,234A CA1037564A (en) 1973-05-15 1974-05-08 Multiple zone communications system and method
CA273,882A CA1025055A (en) 1973-05-15 1977-03-14 Multiple zone communications system and method

Publications (1)

Publication Number Publication Date
CA1025055A true CA1025055A (en) 1978-01-24

Family

ID=27163464

Family Applications (1)

Application Number Title Priority Date Filing Date
CA273,882A Expired CA1025055A (en) 1973-05-15 1977-03-14 Multiple zone communications system and method

Country Status (1)

Country Link
CA (1) CA1025055A (en)

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