JPS5612916B2 - - Google Patents

Info

Publication number
JPS5612916B2
JPS5612916B2 JP744132A JP413274A JPS5612916B2 JP S5612916 B2 JPS5612916 B2 JP S5612916B2 JP 744132 A JP744132 A JP 744132A JP 413274 A JP413274 A JP 413274A JP S5612916 B2 JPS5612916 B2 JP S5612916B2
Authority
JP
Japan
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
JP744132A
Other versions
JPS5099700A (ja
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 JP744132A priority Critical patent/JPS5612916B2/ja
Priority to FI3567/74A priority patent/FI356774A/fi
Priority to FR7442715A priority patent/FR2256484A1/fr
Publication of JPS5099700A publication Critical patent/JPS5099700A/ja
Publication of JPS5612916B2 publication Critical patent/JPS5612916B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • G08B25/085—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines using central distribution transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/102—Circuits therefor, e.g. noise reducers, equalisers, amplifiers
    • H04N7/104—Switchers or splitters

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Alarm Systems (AREA)
  • Circuits Of Receivers In General (AREA)
JP744132A 1973-12-29 1973-12-29 Expired JPS5612916B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP744132A JPS5612916B2 (ja) 1973-12-29 1973-12-29
FI3567/74A FI356774A (ja) 1973-12-29 1974-12-11
FR7442715A FR2256484A1 (en) 1973-12-29 1974-12-24 Multiple alarm system with common receiver - has coaxial cables and different threshold alarms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP744132A JPS5612916B2 (ja) 1973-12-29 1973-12-29

Publications (2)

Publication Number Publication Date
JPS5099700A JPS5099700A (ja) 1975-08-07
JPS5612916B2 true JPS5612916B2 (ja) 1981-03-25

Family

ID=11576241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP744132A Expired JPS5612916B2 (ja) 1973-12-29 1973-12-29

Country Status (3)

Country Link
JP (1) JPS5612916B2 (ja)
FI (1) FI356774A (ja)
FR (1) FR2256484A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5654595A (en) * 1979-10-09 1981-05-14 Yagi Antenna Alarm transmission*indicator
JPS6319919Y2 (ja) * 1980-03-14 1988-06-02
JPS5836487U (ja) * 1981-09-03 1983-03-09 ホーチキ株式会社 構内電話を利用した火災報知機
JPS60164300U (ja) * 1985-03-01 1985-10-31 八木アンテナ株式会社 警報伝送表示装置
WO1998049838A2 (en) * 1997-04-28 1998-11-05 Jackson Research, Inc. Monitored video camera system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855697A (ja) * 1971-11-12 1973-08-04
JPS4856099A (ja) * 1971-11-15 1973-08-07
JPS4877792A (ja) * 1972-01-20 1973-10-19

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5411822Y2 (ja) * 1972-04-01 1979-05-25

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855697A (ja) * 1971-11-12 1973-08-04
JPS4856099A (ja) * 1971-11-15 1973-08-07
JPS4877792A (ja) * 1972-01-20 1973-10-19

Also Published As

Publication number Publication date
FI356774A (ja) 1975-06-30
FR2256484A1 (en) 1975-07-25
JPS5099700A (ja) 1975-08-07

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