JPS6351319B2 - - Google Patents
Info
- Publication number
- JPS6351319B2 JPS6351319B2 JP56182238A JP18223881A JPS6351319B2 JP S6351319 B2 JPS6351319 B2 JP S6351319B2 JP 56182238 A JP56182238 A JP 56182238A JP 18223881 A JP18223881 A JP 18223881A JP S6351319 B2 JPS6351319 B2 JP S6351319B2
- Authority
- JP
- Japan
- Prior art keywords
- line
- signal
- circuit
- input
- repeater
- 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.)
- Expired
Links
- 230000008054 signal transmission Effects 0.000 claims description 12
- 230000000295 complement effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/028—Arrangements specific to the transmitter end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0292—Arrangements specific to the receiver end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/12—Compensating for variations in line impedance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/20—Arrangements affording multiple use of the transmission path using different combinations of lines, e.g. phantom working
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0272—Arrangements for coupling to multiple lines, e.g. for differential transmission
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Fire Alarms (AREA)
- Alarm Systems (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56182238A JPS5884386A (ja) | 1981-11-16 | 1981-11-16 | 火災警報中継線の信号伝送方式 |
| US06/441,752 US4550306A (en) | 1981-11-16 | 1982-11-15 | Signal transmission system for fire alarm junction line |
| GB08232584A GB2113052B (en) | 1981-11-16 | 1982-11-15 | Signal transmission system for fire alarm junction line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56182238A JPS5884386A (ja) | 1981-11-16 | 1981-11-16 | 火災警報中継線の信号伝送方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5884386A JPS5884386A (ja) | 1983-05-20 |
| JPS6351319B2 true JPS6351319B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-10-13 |
Family
ID=16114754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56182238A Granted JPS5884386A (ja) | 1981-11-16 | 1981-11-16 | 火災警報中継線の信号伝送方式 |
Country Status (3)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2558320B1 (fr) * | 1983-12-21 | 1986-04-18 | Philips Ind Commerciale | Dispositif pour connecter en serie une pluralite de dispositifs electroniques emetteurs |
| JPS60153597A (ja) * | 1984-01-20 | 1985-08-13 | 三洋電機株式会社 | 集中報知システム |
| US4701938A (en) * | 1984-11-03 | 1987-10-20 | Keystone International, Inc. | Data system |
| CA1247764A (en) * | 1985-02-18 | 1988-12-28 | Yoshihiro Ikeda | Key telephone system |
| US4956634A (en) * | 1989-05-01 | 1990-09-11 | General Signal Corporation | City tie line connection for fire alarm system |
| US4962373A (en) * | 1989-05-01 | 1990-10-09 | General Signal Corporation | Scheme for power conservation in fire alarm system |
| GB2413870B (en) * | 2002-02-15 | 2006-03-22 | Multigig Ltd | Piped buffers |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2812896C2 (de) * | 1977-03-28 | 1983-10-27 | Ricoh Co., Ltd., Tokyo | Datenerfassungseinrichtung |
| JPS5951793B2 (ja) * | 1978-06-08 | 1984-12-15 | 株式会社リコー | デ−タ収集方式 |
| JPS5634256A (en) * | 1979-08-29 | 1981-04-06 | Fuji Electric Co Ltd | Data transmission system |
-
1981
- 1981-11-16 JP JP56182238A patent/JPS5884386A/ja active Granted
-
1982
- 1982-11-15 GB GB08232584A patent/GB2113052B/en not_active Expired
- 1982-11-15 US US06/441,752 patent/US4550306A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4550306A (en) | 1985-10-29 |
| GB2113052B (en) | 1985-09-04 |
| GB2113052A (en) | 1983-07-27 |
| JPS5884386A (ja) | 1983-05-20 |