[go: up one dir, main page]

AU254711B - Improved selector for automatic telephone exchanges - Google Patents

Improved selector for automatic telephone exchanges

Info

Publication number
AU254711B
AU254711B AU2547/11A AU254711A AU254711B AU 254711 B AU254711 B AU 254711B AU 2547/11 A AU2547/11 A AU 2547/11A AU 254711 A AU254711 A AU 254711A AU 254711 B AU254711 B AU 254711B
Authority
AU
Australia
Prior art keywords
automatic telephone
telephone exchanges
improved selector
selector
improved
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
AU2547/11A
Other versions
AU254711A (en
Inventor
Robert Robertt Frank
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 filed Critical
Priority to AU2547/11A priority Critical patent/AU254711B/en
Publication of AU254711A publication Critical patent/AU254711A/en
Publication of AU254711B publication Critical patent/AU254711B/en
Expired legal-status Critical Current

Links

AU2547/11A 1911-09-21 1911-09-21 Improved selector for automatic telephone exchanges Expired AU254711B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2547/11A AU254711B (en) 1911-09-21 1911-09-21 Improved selector for automatic telephone exchanges

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2547/11A AU254711B (en) 1911-09-21 1911-09-21 Improved selector for automatic telephone exchanges

Publications (2)

Publication Number Publication Date
AU254711A AU254711A (en) 1912-03-26
AU254711B true AU254711B (en) 1912-03-26

Family

ID=63360359

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2547/11A Expired AU254711B (en) 1911-09-21 1911-09-21 Improved selector for automatic telephone exchanges

Country Status (1)

Country Link
AU (1) AU254711B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679420A (en) * 1985-01-02 1987-07-14 Yang Tai Her Force immune door latch

Similar Documents

Publication Publication Date Title
AU254711B (en) Improved selector for automatic telephone exchanges
AU254711A (en) Improved selector for automatic telephone exchanges
AU1822410B (en) Automatic telephone exchanges
GB191307127A (en) Improved Circuit Arrangements for Telephone Exchanges with Automatic Selecting Devices.
AU1172513B (en) Improved circuit arrangements for telephone exchanges with automatic selecting devices
AU1822410A (en) Automatic telephone exchanges
AU1172513A (en) Improved circuit arrangements for telephone exchanges with automatic selecting devices
CA159756A (en) Telephone exchange selector
GB191014196A (en) Improvements in Circuits for Automatic or Semiautomatic Telephone Exchanges.
CH63714A (en) Selector for automatic telephone switches
GB191115129A (en) Improvements in Registering Circuits for Automatic Telephone Exchanges
AU1289714B (en) Improvements inline arrangements for automatic telephone exchanges
AU963813B (en) Improvements in automatic telephone exchanges
AU1225814B (en) Improvements in selectors especially for automatic telephone exchanges
AU963813A (en) j Improvements in automatic telephone exchanges
AU1160013B (en) Improvements injunction line arrangements in automatic telephone exchanges
AU634512B (en) Improvements in automatic telephone exchange systems
CA161418A (en) Switch for telephone exchanges
GB191110238A (en) Method of Connection of Lines in Automatic Telephone Exchanges.
AU1225814A (en) Improvements in selectors especially for automatic telephone exchanges
AU1289714A (en) Improvements inline arrangements for automatic telephone exchanges
AU1519815B (en) Improvements in circuits for automatic or semiautomatic telephone exchanges
AU177611A (en) Automatic photographing machines
AU1172613B (en) Improved circuit arrangement for telephone exchanges provided with selecting devices
AU1519815A (en) Improvements in circuits for automatic or semiautomatic telephone exchanges