JPS577108Y2 - - Google Patents

Info

Publication number
JPS577108Y2
JPS577108Y2 JP13073172U JP13073172U JPS577108Y2 JP S577108 Y2 JPS577108 Y2 JP S577108Y2 JP 13073172 U JP13073172 U JP 13073172U JP 13073172 U JP13073172 U JP 13073172U JP S577108 Y2 JPS577108 Y2 JP S577108Y2
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
JP13073172U
Other languages
Japanese (ja)
Other versions
JPS4985979U (un
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

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Emergency Alarm Devices (AREA)
JP13073172U 1972-11-15 1972-11-15 Expired JPS577108Y2 (un)

Priority Applications (2)

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

Publications (2)

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

Family

ID=15041271

Family Applications (1)

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

Country Status (2)

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

Families Citing this family (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
CH580312A5 (en) 1976-09-30
JPS4985979U (un) 1974-07-25

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