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
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13073172U JPS577108Y2 (en:Method) | 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 (en:Method) | 1972-11-15 | 1972-11-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4985979U true JPS4985979U (en:Method) | 1974-07-25 |
| JPS577108Y2 JPS577108Y2 (en:Method) | 1982-02-10 |
Family
ID=15041271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13073172U Expired JPS577108Y2 (en:Method) | 1972-11-15 | 1972-11-15 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS577108Y2 (en:Method) |
| CH (1) | CH580312A5 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5124899A (ja) * | 1974-08-23 | 1976-02-28 | Hochiki Co | Keihohoshiki |
-
1972
- 1972-11-15 JP JP13073172U patent/JPS577108Y2/ja not_active Expired
-
1973
- 1973-11-15 CH CH1608073A patent/CH580312A5/de not_active IP Right Cessation
Cited By (1)
| 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 |
| JPS577108Y2 (en:Method) | 1982-02-10 |