JPS4117095B1 - - Google Patents
Info
- Publication number
- JPS4117095B1 JPS4117095B1 JP4642361A JP4642361A JPS4117095B1 JP S4117095 B1 JPS4117095 B1 JP S4117095B1 JP 4642361 A JP4642361 A JP 4642361A JP 4642361 A JP4642361 A JP 4642361A JP S4117095 B1 JPS4117095 B1 JP S4117095B1
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/04—Distributors combined with modulators or demodulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/16—Monitoring arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Relay Circuits (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4642361A JPS4117095B1 (enExample) | 1960-12-23 | 1961-12-22 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78036A US3202941A (en) | 1960-12-23 | 1960-12-23 | High frequency channel switching unit, employing electromechanical contact means |
| JP4642361A JPS4117095B1 (enExample) | 1960-12-23 | 1961-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4117095B1 true JPS4117095B1 (enExample) | 1966-09-28 |
Family
ID=22141517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4642361A Pending JPS4117095B1 (enExample) | 1960-12-23 | 1961-12-22 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3202941A (enExample) |
| JP (1) | JPS4117095B1 (enExample) |
| BE (1) | BE611309A (enExample) |
| FR (1) | FR1308132A (enExample) |
| GB (1) | GB1004874A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100777445B1 (ko) * | 2006-07-28 | 2007-11-21 | 삼성전자주식회사 | 고주파 신호의 스위칭 장치 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2229108A (en) * | 1939-09-28 | 1941-01-21 | Bell Telephone Labor Inc | Switching of spare repeater sections |
| US2412161A (en) * | 1941-12-01 | 1946-12-03 | Gen Electric | Transmission system |
| US2438017A (en) * | 1945-03-03 | 1948-03-16 | Westinghouse Electric Corp | Control system |
| US2458566A (en) * | 1948-01-31 | 1949-01-11 | Bell Telephone Labor Inc | Distortion reduction in channel switching |
| US2695385A (en) * | 1952-03-04 | 1954-11-23 | Thompson Prod Inc | Alternating current switch |
| US2992363A (en) * | 1955-06-03 | 1961-07-11 | Gasaccumulator Svenska Ab | Stand-by unit arrangement |
| US3035169A (en) * | 1956-10-03 | 1962-05-15 | Gen Electric Co Ltd | Radio relay system with automatic channel selection based upon signal strength |
| US2958053A (en) * | 1957-08-14 | 1960-10-25 | Amphenol Borg Electronics Corp | Coaxial line cross-over transfer switch |
| US2958054A (en) * | 1958-11-24 | 1960-10-25 | Amphenol Borg Electronics Corp | Impedance terminated coaxial line switch apparatus |
| US3111624A (en) * | 1960-01-04 | 1963-11-19 | Bell Telephone Labor Inc | Automatic system for selectively substituting spare channels for failed working channels in a multichannel multilink communication system |
-
1960
- 1960-12-23 US US78036A patent/US3202941A/en not_active Expired - Lifetime
-
1961
- 1961-12-07 FR FR881301A patent/FR1308132A/fr not_active Expired
- 1961-12-08 BE BE611309A patent/BE611309A/fr unknown
- 1961-12-14 GB GB44751/61A patent/GB1004874A/en not_active Expired
- 1961-12-22 JP JP4642361A patent/JPS4117095B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1004874A (en) | 1965-09-15 |
| US3202941A (en) | 1965-08-24 |
| FR1308132A (fr) | 1962-11-03 |
| BE611309A (fr) | 1962-03-30 |