AU112443B2 - Improvements in signalling arrangements for telephone systems - Google Patents

Improvements in signalling arrangements for telephone systems

Info

Publication number: AU112443B2
Authority: AU; Australia
Prior art keywords: telephone systems; signalling arrangements; signalling; arrangements; telephone
Prior art date: 1939-07-26
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

AU3434/39A

Other versions

AU343439A (en

Inventor

Helmert Kilbert

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.)

C Lorenz AG

Original Assignee

C Lorenz AG

Filing date

1939-07-26

Publication date

1939-07-31

1939-07-26 Application filed by C Lorenz AG filed Critical C Lorenz AG

1939-07-31 Application granted granted Critical

1939-07-31 Publication of AU112443B2 publication Critical patent/AU112443B2/en

1939-07-31 Publication of AU343439A publication Critical patent/AU343439A/en

Status Expired legal-status Critical Current

Links

AU3434/39A 1939-07-26 Improvements in signalling arrangements for telephone systems Expired AU112443B2 (en)

Publications (2)

Publication Number	Publication Date
AU112443B2 true AU112443B2 (en)	1939-07-31
AU343439A AU343439A (en)	1939-07-31

Family

ID=

Similar Documents

Publication	Publication Date	Title
AU112443B2 (en)	1939-07-31	Improvements in signalling arrangements for telephone systems
AU343439A (en)	1939-07-31	Improvements in signalling arrangements for telephone systems
AU111702B2 (en)	1940-10-24	Improvements in telephone systems
AU112235B2 (en)	1941-01-09	Improvements in telephone systems
CA385260A (en)	1939-11-21	Telephone signalling system
AU457339A (en)	1940-10-24	Improvements in telephone systems
AU563339A (en)	1941-01-09	Improvements in telephone systems
CA383810A (en)	1939-09-05	Telephone system
CA379121A (en)	1939-01-24	Telephone system
CA379122A (en)	1939-01-24	Telephone system
CA379431A (en)	1939-02-07	Telephone system
CA379452A (en)	1939-02-07	Telephone system
CA379684A (en)	1939-02-21	Telephone system
CA379870A (en)	1939-03-07	Telephone system
CA380000A (en)	1939-03-14	Telephone system
CA380738A (en)	1939-04-11	Telephone system
CA380803A (en)	1939-04-18	Telephone system
CA381037A (en)	1939-04-25	Telephone system
CA381054A (en)	1939-04-25	Telephone system
CA381343A (en)	1939-05-09	Telephone system
CA382185A (en)	1939-06-20	Telephone system
CA383807A (en)	1939-09-05	Telephone system
CA383808A (en)	1939-09-05	Telephone system
CA383809A (en)	1939-09-05	Telephone system
CA384404A (en)	1939-10-03	Telephone system