SE353995B - - Google Patents
Info
- Publication number
- SE353995B SE353995B SE13129/70A SE1312970A SE353995B SE 353995 B SE353995 B SE 353995B SE 13129/70 A SE13129/70 A SE 13129/70A SE 1312970 A SE1312970 A SE 1312970A SE 353995 B SE353995 B SE 353995B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/16—Monitoring arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5429—Applications for powerline communications
- H04B2203/5458—Monitor sensor; Alarm systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5491—Systems for power line communications using filtering and bypassing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5495—Systems for power line communications having measurements and testing channel
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691949134 DE1949134B2 (en) | 1969-09-29 | 1969-09-29 | DEVICE FOR ALARM RETURN FOR CARRIER FREQUENCY TO DIRECTIONAL TRANSMISSION SYSTEMS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE353995B true SE353995B (en) | 1973-02-19 |
Family
ID=5746814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE13129/70A SE353995B (en) | 1969-09-29 | 1970-09-28 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5113532B1 (en) |
| AT (1) | AT306798B (en) |
| CH (1) | CH523634A (en) |
| DE (1) | DE1949134B2 (en) |
| FR (1) | FR2062661A5 (en) |
| GB (1) | GB1310987A (en) |
| NL (1) | NL155421B (en) |
| SE (1) | SE353995B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5396189U (en) * | 1977-01-07 | 1978-08-04 | ||
| GB2149238B (en) * | 1983-10-29 | 1987-10-07 | Electric Shepherd Products Lim | Control apparatus for an electrical fence |
-
1969
- 1969-09-29 DE DE19691949134 patent/DE1949134B2/en not_active Withdrawn
-
1970
- 1970-09-21 GB GB4480570A patent/GB1310987A/en not_active Expired
- 1970-09-22 AT AT855870A patent/AT306798B/en not_active IP Right Cessation
- 1970-09-25 FR FR7034841A patent/FR2062661A5/fr not_active Expired
- 1970-09-28 CH CH1430570A patent/CH523634A/en not_active IP Right Cessation
- 1970-09-28 NL NL707014257A patent/NL155421B/en not_active IP Right Cessation
- 1970-09-28 JP JP45084930A patent/JPS5113532B1/ja active Pending
- 1970-09-28 SE SE13129/70A patent/SE353995B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5113532B1 (en) | 1976-04-30 |
| AT306798B (en) | 1973-04-25 |
| DE1949134A1 (en) | 1971-04-01 |
| GB1310987A (en) | 1973-03-21 |
| DE1949134B2 (en) | 1971-04-01 |
| NL155421B (en) | 1977-12-15 |
| NL7014257A (en) | 1971-03-31 |
| FR2062661A5 (en) | 1971-06-25 |
| CH523634A (en) | 1972-05-31 |