JPS4719756A - - Google Patents
Info
- Publication number
- JPS4719756A JPS4719756A JP1406872A JP1406872A JPS4719756A JP S4719756 A JPS4719756 A JP S4719756A JP 1406872 A JP1406872 A JP 1406872A JP 1406872 A JP1406872 A JP 1406872A JP S4719756 A JPS4719756 A JP S4719756A
- 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
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/15—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
- H03F1/54—Circuit arrangements for protecting such amplifiers with tubes only
- H03F1/542—Replacing by standby devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/02—Shaping pulses by amplifying
-
- 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
- H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals
-
- 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)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7104712A FR2126944B1 (https=) | 1971-02-12 | 1971-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4719756A true JPS4719756A (https=) | 1972-09-25 |
| JPS5746254B1 JPS5746254B1 (https=) | 1982-10-02 |
Family
ID=9071786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47014068A Pending JPS5746254B1 (https=) | 1971-02-12 | 1972-02-10 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3795869A (https=) |
| JP (1) | JPS5746254B1 (https=) |
| BE (1) | BE778695A (https=) |
| DE (1) | DE2125940C3 (https=) |
| FR (1) | FR2126944B1 (https=) |
| GB (1) | GB1309370A (https=) |
| IT (1) | IT949072B (https=) |
| LU (1) | LU64731A1 (https=) |
| NL (1) | NL154379B (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52162299U (https=) * | 1976-05-31 | 1977-12-08 | ||
| JPS55156458A (en) * | 1979-05-25 | 1980-12-05 | Fujitsu Ltd | Bipolar signal switching circuit |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4081731A (en) * | 1976-08-03 | 1978-03-28 | Sperry Rand Corporation | Pulse width modulated servo amplifier with over-current protection |
| US4298844A (en) * | 1980-03-21 | 1981-11-03 | Comsonics, Inc. | Split-band redundant amplifier system |
| EP0415111B1 (de) * | 1989-08-28 | 1996-02-28 | Siemens Aktiengesellschaft | Betriebs-Ersatz-Taktversorgung für digitale Systeme |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3283169A (en) * | 1960-07-11 | 1966-11-01 | Magnavox Co | Redundancy circuit |
| DE1222550B (de) * | 1962-02-27 | 1966-08-11 | Ericsson Telephones Ltd | Schaltungsanordnung zum UEberwachen zweier parallelbetriebener gleichartiger UEbertragungseinrichtungen in Zeitmultiplex-Fernmeldevermittlungsanlagen |
| US3223940A (en) * | 1962-06-29 | 1965-12-14 | Gen Electric | Redundant signal amplifier transmission channel |
| GB989329A (en) * | 1964-01-16 | 1965-04-14 | Standard Telephones Cables Ltd | Electrical amplifying circuits |
| GB1199931A (en) * | 1966-07-21 | 1970-07-22 | Mini Of Technology London | Improvements in or relating to Redundant Binary Logic Elements |
| US3496477A (en) * | 1967-06-29 | 1970-02-17 | Bell Telephone Labor Inc | Clock pulse failure detector |
-
1971
- 1971-02-12 FR FR7104712A patent/FR2126944B1/fr not_active Expired
- 1971-05-25 NL NL717107102A patent/NL154379B/xx not_active IP Right Cessation
- 1971-05-25 DE DE2125940A patent/DE2125940C3/de not_active Expired
-
1972
- 1972-01-31 BE BE778695A patent/BE778695A/xx not_active IP Right Cessation
- 1972-02-07 LU LU64731A patent/LU64731A1/xx unknown
- 1972-02-10 JP JP47014068A patent/JPS5746254B1/ja active Pending
- 1972-02-11 IT IT67430/72A patent/IT949072B/it active
- 1972-02-11 GB GB649072A patent/GB1309370A/en not_active Expired
- 1972-02-14 US US00225897A patent/US3795869A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52162299U (https=) * | 1976-05-31 | 1977-12-08 | ||
| JPS55156458A (en) * | 1979-05-25 | 1980-12-05 | Fujitsu Ltd | Bipolar signal switching circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7107102A (https=) | 1972-08-15 |
| FR2126944A1 (https=) | 1972-10-13 |
| US3795869A (en) | 1974-03-05 |
| IT949072B (it) | 1973-06-11 |
| FR2126944B1 (https=) | 1975-07-04 |
| JPS5746254B1 (https=) | 1982-10-02 |
| GB1309370A (en) | 1973-03-07 |
| DE2125940A1 (de) | 1972-08-17 |
| LU64731A1 (https=) | 1973-01-05 |
| DE2125940C3 (de) | 1982-03-25 |
| NL154379B (nl) | 1977-08-15 |
| DE2125940B2 (de) | 1981-07-16 |
| BE778695A (fr) | 1972-07-31 |