JPS4519725B1 - - Google Patents
Info
- Publication number
- JPS4519725B1 JPS4519725B1 JP2895267A JP2895267A JPS4519725B1 JP S4519725 B1 JPS4519725 B1 JP S4519725B1 JP 2895267 A JP2895267 A JP 2895267A JP 2895267 A JP2895267 A JP 2895267A JP S4519725 B1 JPS4519725 B1 JP S4519725B1
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/24—Testing correct operation
- H04L1/248—Distortion measuring systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Quality & Reliability (AREA)
- Dc Digital Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Noise Elimination (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2895267A JPS4519725B1 (ref) | 1966-05-09 | 1967-05-09 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES103695A DE1277324B (de) | 1966-05-09 | 1966-05-09 | Verfahren zum Kontrollieren von Datenkanaelen |
| JP2895267A JPS4519725B1 (ref) | 1966-05-09 | 1967-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4519725B1 true JPS4519725B1 (ref) | 1970-07-06 |
Family
ID=7525362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2895267A Pending JPS4519725B1 (ref) | 1966-05-09 | 1967-05-09 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3508144A (ref) |
| JP (1) | JPS4519725B1 (ref) |
| BE (1) | BE698196A (ref) |
| CH (1) | CH457538A (ref) |
| DE (1) | DE1277324B (ref) |
| FR (1) | FR1523611A (ref) |
| GB (1) | GB1132305A (ref) |
| NL (1) | NL6704789A (ref) |
| SE (1) | SE329188B (ref) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3639703A (en) * | 1969-04-16 | 1972-02-01 | Collins Radio Co | Method and means for measuring weighted noise in a communication link |
| US3617656A (en) * | 1969-09-25 | 1971-11-02 | Collins Radio Co | Test spectrum recognition circuit for communication link analyzer |
| US4101743A (en) * | 1977-06-06 | 1978-07-18 | International Business Machines Corporation | Test circuit for a protective coupler |
| US4807274A (en) * | 1988-02-01 | 1989-02-21 | Octel Communications Corporation | Telephone line quality testing system |
| GB2633078A (en) * | 2023-08-31 | 2025-03-05 | Tyco Fire & Security Gmbh | Fire Alarm System Signal Testing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2632792A (en) * | 1947-01-31 | 1953-03-24 | Cie Ind Des Telephones | System for measuring phase distortion in transmission networks, particularly cables |
| US2888638A (en) * | 1956-06-04 | 1959-05-26 | Varian Associates | Gyromagnetic resonance process analysis and control |
| US3076933A (en) * | 1960-05-31 | 1963-02-05 | Hewlett Packard Co | Circuit for measuring the difference in the integrated amplitude of two sets of pulses |
-
1966
- 1966-05-09 DE DES103695A patent/DE1277324B/de active Pending
-
1967
- 1967-04-04 NL NL6704789A patent/NL6704789A/xx unknown
- 1967-04-20 SE SE05554/67A patent/SE329188B/xx unknown
- 1967-05-05 US US636522A patent/US3508144A/en not_active Expired - Lifetime
- 1967-05-08 GB GB21310/67A patent/GB1132305A/en not_active Expired
- 1967-05-09 JP JP2895267A patent/JPS4519725B1/ja active Pending
- 1967-05-09 FR FR105669A patent/FR1523611A/fr not_active Expired
- 1967-05-09 BE BE698196D patent/BE698196A/xx unknown
- 1967-05-09 CH CH650467A patent/CH457538A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE698196A (ref) | 1967-11-09 |
| GB1132305A (en) | 1968-10-30 |
| US3508144A (en) | 1970-04-21 |
| SE329188B (ref) | 1970-10-05 |
| NL6704789A (ref) | 1967-11-10 |
| DE1277324B (de) | 1968-09-12 |
| FR1523611A (fr) | 1968-05-03 |
| CH457538A (de) | 1968-06-15 |