JPS54111800A - Alarm system utilizing wire television - Google Patents
Alarm system utilizing wire televisionInfo
- Publication number
- JPS54111800A JPS54111800A JP1954978A JP1954978A JPS54111800A JP S54111800 A JPS54111800 A JP S54111800A JP 1954978 A JP1954978 A JP 1954978A JP 1954978 A JP1954978 A JP 1954978A JP S54111800 A JPS54111800 A JP S54111800A
- Authority
- JP
- Japan
- Prior art keywords
- subscriber
- audio
- subscribers
- microphone
- group
- 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
Links
Abstract
PURPOSE: To correctly catch the condition of the subscriber and to deliver the correct information to other subscribers, by receiving the audio from the microphone group at the subscribers taken place for emergency event at the center station.
CONSTITUTION: The central station 1 is provided with the audio receiver 9, the subscriber terminal unit 14 is with the switch circuit 18, and the subscriber is provided with the microphone group 23 as additional unit newly. Further, if emergent event is taken place at a subscriber and either of the push button group 24 located is depressed, then the circuit 18 makes all the microphone group 23 into operation, stopping the speaker 17 for simultaneous broadcast at the subscriber, and the alarm signal delivery section 20 delivers the audio signal and the alarm signal from the microphone after modulating into a specific frequency. This signal is received with the audio receiver 9 at the central station 1, the content of failure at the subscriber is discriminated with audio, the condition is correctly catched, and the monitor information is broadcast to other subscribers at the same time except the subscriber depressing the button.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1954978A JPS54111800A (en) | 1978-02-21 | 1978-02-21 | Alarm system utilizing wire television |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1954978A JPS54111800A (en) | 1978-02-21 | 1978-02-21 | Alarm system utilizing wire television |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54111800A true JPS54111800A (en) | 1979-09-01 |
Family
ID=12002389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1954978A Pending JPS54111800A (en) | 1978-02-21 | 1978-02-21 | Alarm system utilizing wire television |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54111800A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05168013A (en) * | 1991-12-16 | 1993-07-02 | Matsushita Electric Ind Co Ltd | System for medical treatment at home |
-
1978
- 1978-02-21 JP JP1954978A patent/JPS54111800A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05168013A (en) * | 1991-12-16 | 1993-07-02 | Matsushita Electric Ind Co Ltd | System for medical treatment at home |
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