ZA75135B - Automatic telephone systems - Google Patents

Automatic telephone systems

Info

Publication number
ZA75135B
ZA75135B ZA00750135A ZA75135A ZA75135B ZA 75135 B ZA75135 B ZA 75135B ZA 00750135 A ZA00750135 A ZA 00750135A ZA 75135 A ZA75135 A ZA 75135A ZA 75135 B ZA75135 B ZA 75135B
Authority
ZA
South Africa
Prior art keywords
telephone systems
automatic telephone
automatic
systems
telephone
Prior art date
Application number
ZA00750135A
Inventor
B Grundy
Original Assignee
Plessey Handel Investment Ag
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 Plessey Handel Investment Ag filed Critical Plessey Handel Investment Ag
Publication of ZA75135B publication Critical patent/ZA75135B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
ZA00750135A 1974-02-21 1975-01-07 Automatic telephone systems ZA75135B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB785574A GB1430503A (en) 1974-02-21 1974-02-21 Automatic telephone systems

Publications (1)

Publication Number Publication Date
ZA75135B true ZA75135B (en) 1976-01-28

Family

ID=9841100

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00750135A ZA75135B (en) 1974-02-21 1975-01-07 Automatic telephone systems

Country Status (4)

Country Link
BR (1) BR7500981A (en)
FR (1) FR2262467B1 (en)
GB (1) GB1430503A (en)
ZA (1) ZA75135B (en)

Also Published As

Publication number Publication date
AU7730175A (en) 1976-07-15
BR7500981A (en) 1975-12-02
FR2262467A1 (en) 1975-09-19
FR2262467B1 (en) 1981-10-09
GB1430503A (en) 1976-03-31

Similar Documents

Publication Publication Date Title
AU7390074A (en) Automatic device
GB1541902A (en) Telephone system
AU8642375A (en) Automatic aerial attenuator
CA1019485A (en) Automatic dialing equipment
CA1027271A (en) Automatic telephone caller
GB1505071A (en) Automatic control system
GB1439107A (en) Telephone systems
ZA748185B (en) Telecommunication exchange systems
ZA757209B (en) Communication system
ZA75400B (en) Electronic time switching telephone system
ZA756385B (en) Communications system
AU500411B2 (en) Telephone exchange systems
IL47446A0 (en) Communication system
AU2490277A (en) Intercom systems
CY1069A (en) Building systems
GB1448362A (en) Automatic material-handling apparatus
IL45881A0 (en) Automatic continuous transmission
GB1549006A (en) Telephone systems
ZA75135B (en) Automatic telephone systems
ZA757934B (en) Telephone connector
AU485576B2 (en) Automatic telephone systems
GB1542280A (en) System for automatic equalization
GB1557186A (en) Automatic transmissions
JPS52138808A (en) Telephone system
AU2490177A (en) Intercom systems