JPS4985979U - - Google Patents

Info

Publication number
JPS4985979U
JPS4985979U JP13073172U JP13073172U JPS4985979U JP S4985979 U JPS4985979 U JP S4985979U JP 13073172 U JP13073172 U JP 13073172U JP 13073172 U JP13073172 U JP 13073172U JP S4985979 U JPS4985979 U JP S4985979U
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.)
Granted
Application number
JP13073172U
Other languages
Japanese (ja)
Other versions
JPS577108Y2 (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 JP13073172U priority Critical patent/JPS577108Y2/ja
Priority to CH1608073A priority patent/CH580312A5/de
Publication of JPS4985979U publication Critical patent/JPS4985979U/ja
Application granted granted Critical
Publication of JPS577108Y2 publication Critical patent/JPS577108Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B27/00—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations
    • G08B27/008—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations with transmission via TV or radio broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable

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)
  • Emergency Alarm Devices (AREA)
JP13073172U 1972-11-15 1972-11-15 Expired JPS577108Y2 (enrdf_load_stackoverflow)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP13073172U JPS577108Y2 (enrdf_load_stackoverflow) 1972-11-15 1972-11-15
CH1608073A CH580312A5 (en) 1972-11-15 1973-11-15 Alarm circuit for communal TV antenna - is responsive to alarm signal frequency characterising specific television subscriber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13073172U JPS577108Y2 (enrdf_load_stackoverflow) 1972-11-15 1972-11-15

Publications (2)

Publication Number Publication Date
JPS4985979U true JPS4985979U (enrdf_load_stackoverflow) 1974-07-25
JPS577108Y2 JPS577108Y2 (enrdf_load_stackoverflow) 1982-02-10

Family

ID=15041271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13073172U Expired JPS577108Y2 (enrdf_load_stackoverflow) 1972-11-15 1972-11-15

Country Status (2)

Country Link
JP (1) JPS577108Y2 (enrdf_load_stackoverflow)
CH (1) CH580312A5 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5124899A (ja) * 1974-08-23 1976-02-28 Hochiki Co Keihohoshiki

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5124899A (ja) * 1974-08-23 1976-02-28 Hochiki Co Keihohoshiki

Also Published As

Publication number Publication date
JPS577108Y2 (enrdf_load_stackoverflow) 1982-02-10
CH580312A5 (en) 1976-09-30

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