FI356774A7 - - Google Patents

Info

Publication number
FI356774A7
FI356774A7 FI3567/74A FI356774A FI356774A7 FI 356774 A7 FI356774 A7 FI 356774A7 FI 3567/74 A FI3567/74 A FI 3567/74A FI 356774 A FI356774 A FI 356774A FI 356774 A7 FI356774 A7 FI 356774A7
Authority
FI
Finland
Prior art keywords
alarm signal
coaxial cables
receiver
receivers
aerial
Prior art date
Application number
FI3567/74A
Other languages
English (en)
Finnish (fi)
Inventor
H Masuda
T Takeuchi
Original Assignee
Hochiki Co
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 Hochiki Co filed Critical Hochiki Co
Publication of FI356774A7 publication Critical patent/FI356774A7/fi

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)
FI3567/74A 1973-12-29 1974-12-11 FI356774A7 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FI356774A7 true FI356774A7 (enrdf_load_stackoverflow) 1975-06-30

Family

ID=11576241

Family Applications (1)

Application Number Title Priority Date Filing Date
FI3567/74A FI356774A7 (enrdf_load_stackoverflow) 1973-12-29 1974-12-11

Country Status (3)

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

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 (enrdf_load_stackoverflow) * 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
CN1227033A (zh) * 1997-04-28 1999-08-25 杰克逊研究公司 监控摄像系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5213719B2 (enrdf_load_stackoverflow) * 1971-11-12 1977-04-16
JPS4856099A (enrdf_load_stackoverflow) * 1971-11-15 1973-08-07
JPS5229917B2 (enrdf_load_stackoverflow) * 1972-01-20 1977-08-04
JPS5411822Y2 (enrdf_load_stackoverflow) * 1972-04-01 1979-05-25

Also Published As

Publication number Publication date
JPS5612916B2 (enrdf_load_stackoverflow) 1981-03-25
JPS5099700A (enrdf_load_stackoverflow) 1975-08-07
FR2256484A1 (en) 1975-07-25

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