ZA712669B - Information retrieval - Google Patents

Information retrieval

Info

Publication number
ZA712669B
ZA712669B ZA712669A ZA712669A ZA712669B ZA 712669 B ZA712669 B ZA 712669B ZA 712669 A ZA712669 A ZA 712669A ZA 712669 A ZA712669 A ZA 712669A ZA 712669 B ZA712669 B ZA 712669B
Authority
ZA
South Africa
Prior art keywords
information retrieval
retrieval
information
Prior art date
Application number
ZA712669A
Other languages
English (en)
Inventor
D Desteiguer
Original Assignee
D Desteiguer
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 D Desteiguer filed Critical D Desteiguer
Publication of ZA712669B publication Critical patent/ZA712669B/xx

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/007—Wireless interrogation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
ZA712669A 1970-04-29 1971-04-26 Information retrieval ZA712669B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPA104970 1970-04-29

Publications (1)

Publication Number Publication Date
ZA712669B true ZA712669B (en) 1972-03-29

Family

ID=3764637

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA712669A ZA712669B (en) 1970-04-29 1971-04-26 Information retrieval

Country Status (5)

Country Link
BE (1) BE766480A (de)
DE (1) DE2120810A1 (de)
FR (1) FR2086461A1 (de)
NL (1) NL7105862A (de)
ZA (1) ZA712669B (de)

Also Published As

Publication number Publication date
FR2086461A1 (de) 1971-12-31
DE2120810A1 (de) 1971-11-18
NL7105862A (de) 1971-11-02
BE766480A (fr) 1971-09-16

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