JPS5099700A - - Google Patents

Info

Publication number
JPS5099700A
JPS5099700A JP49004132A JP413274A JPS5099700A JP S5099700 A JPS5099700 A JP S5099700A JP 49004132 A JP49004132 A JP 49004132A JP 413274 A JP413274 A JP 413274A JP S5099700 A JPS5099700 A JP S5099700A
Authority
JP
Japan
Prior art keywords
alarm signal
coaxial cables
receiver
receivers
aerial
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.)
Granted
Application number
JP49004132A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5612916B2 (enrdf_load_stackoverflow
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/FI356774A7/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)
  • Alarm Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Circuits Of Receivers In General (AREA)
JP744132A 1973-12-29 1973-12-29 Expired JPS5612916B2 (enrdf_load_stackoverflow)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP744132A JPS5612916B2 (enrdf_load_stackoverflow) 1973-12-29 1973-12-29
FI3567/74A FI356774A7 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow) 1973-12-29 1973-12-29

Publications (2)

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

Family

ID=11576241

Family Applications (1)

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

Country Status (3)

Country Link
JP (1) JPS5612916B2 (enrdf_load_stackoverflow)
FI (1) FI356774A7 (enrdf_load_stackoverflow)
FR (1) FR2256484A1 (enrdf_load_stackoverflow)

Cited By (4)

* 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
JPS56137289U (enrdf_load_stackoverflow) * 1980-03-14 1981-10-17
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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1227033A (zh) * 1997-04-28 1999-08-25 杰克逊研究公司 监控摄像系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855697A (enrdf_load_stackoverflow) * 1971-11-12 1973-08-04
JPS4856099A (enrdf_load_stackoverflow) * 1971-11-15 1973-08-07
JPS4877792A (enrdf_load_stackoverflow) * 1972-01-20 1973-10-19
JPS48113382U (enrdf_load_stackoverflow) * 1972-04-01 1973-12-25

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855697A (enrdf_load_stackoverflow) * 1971-11-12 1973-08-04
JPS4856099A (enrdf_load_stackoverflow) * 1971-11-15 1973-08-07
JPS4877792A (enrdf_load_stackoverflow) * 1972-01-20 1973-10-19
JPS48113382U (enrdf_load_stackoverflow) * 1972-04-01 1973-12-25

Cited By (4)

* 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
JPS56137289U (enrdf_load_stackoverflow) * 1980-03-14 1981-10-17
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

Also Published As

Publication number Publication date
JPS5612916B2 (enrdf_load_stackoverflow) 1981-03-25
FI356774A7 (enrdf_load_stackoverflow) 1975-06-30
FR2256484A1 (en) 1975-07-25

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