AU2629571A - Receiver alarm system - Google Patents

Receiver alarm system

Info

Publication number
AU2629571A
AU2629571A AU26295/71A AU2629571A AU2629571A AU 2629571 A AU2629571 A AU 2629571A AU 26295/71 A AU26295/71 A AU 26295/71A AU 2629571 A AU2629571 A AU 2629571A AU 2629571 A AU2629571 A AU 2629571A
Authority
AU
Australia
Prior art keywords
alarm system
receiver alarm
receiver
alarm
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
AU26295/71A
Other versions
AU458213B2 (en
Inventor
JOHN COUNSELL and ROY PATTESON IVAN
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.)
Pye Electronic Products Ltd
Original Assignee
Pye Ltd
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 Pye Ltd filed Critical Pye Ltd
Publication of AU2629571A publication Critical patent/AU2629571A/en
Application granted granted Critical
Publication of AU458213B2 publication Critical patent/AU458213B2/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0817Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection
    • H04B7/082Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with multiple receivers and antenna path selection selecting best antenna path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
AU26295/71A 1971-03-04 1971-03-09 Receiver alarm system Expired AU458213B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712110277 DE2110277A1 (en) 1971-03-04 1971-03-04 Receiver alarm system

Publications (2)

Publication Number Publication Date
AU2629571A true AU2629571A (en) 1972-09-14
AU458213B2 AU458213B2 (en) 1975-01-29

Family

ID=5800478

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26295/71A Expired AU458213B2 (en) 1971-03-04 1971-03-09 Receiver alarm system

Country Status (3)

Country Link
AU (1) AU458213B2 (en)
DE (1) DE2110277A1 (en)
FR (1) FR2128145B1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH440389A (en) * 1965-03-12 1967-07-31 Sits Soc It Telecom Siemens Circuit arrangement suitable for carrying out processing, combination and alarm reception operations in the operation-reserve isofrequency connections with medium or large capacity radio links

Also Published As

Publication number Publication date
DE2110277A1 (en) 1972-10-05
FR2128145A1 (en) 1972-10-20
FR2128145B1 (en) 1974-10-31
AU458213B2 (en) 1975-01-29

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