JPS4948214A - - Google Patents
Info
- Publication number
- JPS4948214A JPS4948214A JP48024721A JP2472173A JPS4948214A JP S4948214 A JPS4948214 A JP S4948214A JP 48024721 A JP48024721 A JP 48024721A JP 2472173 A JP2472173 A JP 2472173A JP S4948214 A JPS4948214 A JP S4948214A
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/36—Repeater circuits
- H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23209672A | 1972-03-06 | 1972-03-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4948214A true JPS4948214A (en:Method) | 1974-05-10 |
| JPS5333204B2 JPS5333204B2 (en:Method) | 1978-09-13 |
Family
ID=22871860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2472173A Expired JPS5333204B2 (en:Method) | 1972-03-06 | 1973-03-01 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5333204B2 (en:Method) |
| CA (1) | CA1003133A (en:Method) |
| FR (1) | FR2175005B2 (en:Method) |
| IT (1) | IT1046763B (en:Method) |
| ZA (1) | ZA731512B (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2606047A1 (de) * | 1975-02-26 | 1976-09-09 | Hasler Ag | Verfahren zum nachrichtenaustausch in eisenbahnzuegen |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3060269A (en) * | 1959-10-14 | 1962-10-23 | Itt | Carrier signalling system |
| US3647976A (en) * | 1970-03-09 | 1972-03-07 | Minnesota Mining & Mfg | Time-sharing subscriber communications system |
-
1973
- 1973-02-23 IT IT48431/73A patent/IT1046763B/it active
- 1973-03-01 JP JP2472173A patent/JPS5333204B2/ja not_active Expired
- 1973-03-01 CA CA164,978A patent/CA1003133A/en not_active Expired
- 1973-03-05 FR FR7307727A patent/FR2175005B2/fr not_active Expired
- 1973-03-05 ZA ZA731512A patent/ZA731512B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2175005A2 (en:Method) | 1973-10-19 |
| CA1003133A (en) | 1977-01-04 |
| FR2175005B2 (en:Method) | 1976-11-05 |
| JPS5333204B2 (en:Method) | 1978-09-13 |
| ZA731512B (en) | 1974-05-29 |
| IT1046763B (it) | 1980-07-31 |