JPS4814849B1 - - Google Patents
Info
- Publication number
- JPS4814849B1 JPS4814849B1 JP43018089A JP1808968A JPS4814849B1 JP S4814849 B1 JPS4814849 B1 JP S4814849B1 JP 43018089 A JP43018089 A JP 43018089A JP 1808968 A JP1808968 A JP 1808968A JP S4814849 B1 JPS4814849 B1 JP S4814849B1
- 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
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/10—Intermediate station arrangements, e.g. for branching, for tapping-off
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2603—Arrangements for wireless physical layer control
- H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP43018089A JPS4814849B1 (ja) | 1968-03-20 | 1968-03-20 | |
DE1912791A DE1912791C3 (de) | 1968-03-20 | 1969-03-13 | Langstrecke nrichtf unkanlage |
US808277A US3588700A (en) | 1968-03-20 | 1969-03-18 | Failure compensating drop channel microwave radio relay system |
GB04227/69A GB1223782A (en) | 1968-03-20 | 1969-03-18 | Microwave telecommunication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP43018089A JPS4814849B1 (ja) | 1968-03-20 | 1968-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4814849B1 true JPS4814849B1 (ja) | 1973-05-10 |
Family
ID=11961900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP43018089A Pending JPS4814849B1 (ja) | 1968-03-20 | 1968-03-20 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3588700A (ja) |
JP (1) | JPS4814849B1 (ja) |
DE (1) | DE1912791C3 (ja) |
GB (1) | GB1223782A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5198857U (ja) * | 1975-02-07 | 1976-08-07 | ||
JPS5272953U (ja) * | 1975-10-16 | 1977-05-31 | ||
JPS5529389Y2 (ja) * | 1975-10-16 | 1980-07-12 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4236250A (en) * | 1979-05-21 | 1980-11-25 | Rockwell International Corporation | Multiline switch |
US4242756A (en) * | 1979-05-21 | 1980-12-30 | Rockwell International Corporation | Multiline switching protection apparatus |
US4598399A (en) * | 1984-11-20 | 1986-07-01 | Rockwell International Corporation | Multichannel multisite signal protection channel switching apparatus |
JPS627226A (ja) * | 1985-07-04 | 1987-01-14 | Nec Corp | 共通予備切替方式 |
-
1968
- 1968-03-20 JP JP43018089A patent/JPS4814849B1/ja active Pending
-
1969
- 1969-03-13 DE DE1912791A patent/DE1912791C3/de not_active Expired
- 1969-03-18 GB GB04227/69A patent/GB1223782A/en not_active Expired
- 1969-03-18 US US808277A patent/US3588700A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5198857U (ja) * | 1975-02-07 | 1976-08-07 | ||
JPS5272953U (ja) * | 1975-10-16 | 1977-05-31 | ||
JPS5529389Y2 (ja) * | 1975-10-16 | 1980-07-12 |
Also Published As
Publication number | Publication date |
---|---|
US3588700A (en) | 1971-06-28 |
DE1912791B2 (de) | 1974-12-05 |
DE1912791C3 (de) | 1975-07-24 |
DE1912791A1 (de) | 1970-09-10 |
GB1223782A (en) | 1971-03-03 |