DE2460327A1 - Alarmvorrichtung - Google Patents

Alarmvorrichtung

Info

Publication number
DE2460327A1
DE2460327A1 DE19742460327 DE2460327A DE2460327A1 DE 2460327 A1 DE2460327 A1 DE 2460327A1 DE 19742460327 DE19742460327 DE 19742460327 DE 2460327 A DE2460327 A DE 2460327A DE 2460327 A1 DE2460327 A1 DE 2460327A1
Authority
DE
Germany
Prior art keywords
alarm
circuit
alarm device
distribution box
terminals
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.)
Pending
Application number
DE19742460327
Other languages
German (de)
English (en)
Inventor
Hajime Masuda
Takeshi Takeuchi
Yukio Tomioka
Masakatsu Watanabe
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.)
Hochiki Corp
Original Assignee
Hochiki Corp
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 Corp filed Critical Hochiki Corp
Publication of DE2460327A1 publication Critical patent/DE2460327A1/de
Pending 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)
  • Measurement Of Resistance Or Impedance (AREA)
DE19742460327 1973-12-29 1974-12-20 Alarmvorrichtung Pending DE2460327A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP744131A JPS5539034B2 (enrdf_load_stackoverflow) 1973-12-29 1973-12-29

Publications (1)

Publication Number Publication Date
DE2460327A1 true DE2460327A1 (de) 1975-07-03

Family

ID=11576214

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742460327 Pending DE2460327A1 (de) 1973-12-29 1974-12-20 Alarmvorrichtung

Country Status (4)

Country Link
JP (1) JPS5539034B2 (enrdf_load_stackoverflow)
DE (1) DE2460327A1 (enrdf_load_stackoverflow)
FI (1) FI356674A7 (enrdf_load_stackoverflow)
FR (1) FR2256483A1 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6319919Y2 (enrdf_load_stackoverflow) * 1980-03-14 1988-06-02
JPS5986767U (ja) * 1982-12-01 1984-06-12 八木アンテナ株式会社 共聴用分配器

Family Cites Families (1)

* 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

Also Published As

Publication number Publication date
FR2256483B1 (enrdf_load_stackoverflow) 1980-07-04
JPS5539034B2 (enrdf_load_stackoverflow) 1980-10-08
FR2256483A1 (en) 1975-07-25
JPS5099699A (enrdf_load_stackoverflow) 1975-08-07
FI356674A7 (enrdf_load_stackoverflow) 1975-06-30

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Legal Events

Date Code Title Description
OHW Rejection