CA939844A - Interconnection means for telephone systems - Google Patents

Interconnection means for telephone systems

Info

Publication number
CA939844A
CA939844A CA100,881A CA100881A CA939844A CA 939844 A CA939844 A CA 939844A CA 100881 A CA100881 A CA 100881A CA 939844 A CA939844 A CA 939844A
Authority
CA
Canada
Prior art keywords
telephone systems
interconnection means
interconnection
telephone
systems
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
CA100,881A
Other versions
CA100881S (en
Inventor
Albert Yussen
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.)
NATIONAL TELAC Corp
Original Assignee
NATIONAL TELAC 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
Application filed by NATIONAL TELAC Corp filed Critical NATIONAL TELAC Corp
Application granted granted Critical
Publication of CA939844A publication Critical patent/CA939844A/en
Expired legal-status Critical Current

Links

CA100,881A 1970-05-12 1970-12-17 Interconnection means for telephone systems Expired CA939844A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3654370A 1970-05-12 1970-05-12

Publications (1)

Publication Number Publication Date
CA939844A true CA939844A (en) 1974-01-08

Family

ID=21889182

Family Applications (1)

Application Number Title Priority Date Filing Date
CA100,881A Expired CA939844A (en) 1970-05-12 1970-12-17 Interconnection means for telephone systems

Country Status (1)

Country Link
CA (1) CA939844A (en)

Similar Documents

Publication Publication Date Title
CA936291A (en) P.c.m. telephone system
AU462216B1 (en) Communication systems
CA941943A (en) Call transfer system
CA968086A (en) Telecommunications systems
CA939844A (en) Interconnection means for telephone systems
CA963133A (en) Telephone intercommunicating system
AU5156373A (en) Telephone system
CA941468A (en) Signal generator for telephone systems
CA842959A (en) Telephone system
CA842438A (en) Distributed telephone system
CA837231A (en) Telephone systems
CA856901A (en) Telephoning system
CA857517A (en) Terrain-following system
CA946519A (en) Communications systems
CA844064A (en) Automatic telephone systems
CA850225A (en) Telecommunications systems
CA858750A (en) Conference system
CA848519A (en) Conference system
CA922030A (en) Telephone system
CA809747A (en) Telephone system
CA836743A (en) Communication system
CA838750A (en) Communication system
CA841250A (en) Communication system
CA844063A (en) Telephone switching system
CA992185A (en) Telephone intercommunicating system