FR2342594B3 - - Google Patents
Info
- Publication number
- FR2342594B3 FR2342594B3 FR7705548A FR7705548A FR2342594B3 FR 2342594 B3 FR2342594 B3 FR 2342594B3 FR 7705548 A FR7705548 A FR 7705548A FR 7705548 A FR7705548 A FR 7705548A FR 2342594 B3 FR2342594 B3 FR 2342594B3
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/661,106 US4021625A (en) | 1976-02-25 | 1976-02-25 | Instruments and methods for measuring characteristics of only a selected portion of a transmission channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2342594A1 FR2342594A1 (fr) | 1977-09-23 |
| FR2342594B3 true FR2342594B3 (show.php) | 1980-01-11 |
Family
ID=24652244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7705548A Granted FR2342594A1 (fr) | 1976-02-25 | 1977-02-25 | Instruments et procedes pour la mesure de caracteristiques concernant uniquement une partie selectionnee d'un canal de transmission |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4021625A (show.php) |
| JP (1) | JPS5942504B2 (show.php) |
| CA (1) | CA1065015A (show.php) |
| DE (1) | DE2707586A1 (show.php) |
| FR (1) | FR2342594A1 (show.php) |
| GB (1) | GB1510770A (show.php) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4086448A (en) * | 1977-04-18 | 1978-04-25 | Bell Telephone Laboratories, Incorporated | Loop-around test circuit for telecommunications lines |
| US4271150A (en) * | 1979-03-07 | 1981-06-02 | Zeria-Shinyaku Kogyo Kabushiki Kaisha | Urokinase preparation for oral administration |
| IT1209192B (it) * | 1980-02-18 | 1989-07-16 | Sits Soc It Telecom Siemens | Sistema di misura per elementi del multiplo pam di una centrale elettronica di commutazione per telecomunicazioni. |
| US4317214A (en) * | 1980-07-14 | 1982-02-23 | Attinello John S | Apparatus for simulating interference transmissions |
| JPH04130701U (ja) * | 1991-05-20 | 1992-11-30 | 泉 小林 | 癖毛伸し器 |
| CA2464525C (en) * | 2001-10-24 | 2012-01-10 | Pressure Profile Systems, Inc. | Array sensor electronics |
| US7558686B1 (en) | 2005-12-02 | 2009-07-07 | Veritium Research LLC | Method and apparatus for displaying a representation of a signal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1869515A (en) * | 1931-12-22 | 1932-08-02 | American Telephone & Telegraph | Measurement of attenuation and noise |
| US3920935A (en) * | 1970-12-21 | 1975-11-18 | Oskar Vierling | Method for measuring the frequency-dependent attenuation of a telecommunications line, especially a two-wire line |
| US3814868A (en) * | 1972-07-12 | 1974-06-04 | F Bradley | Telephone line characteristic measuring instrument |
| US3836735A (en) * | 1972-10-16 | 1974-09-17 | F Bradley | Telephone line characteristic measuring instrument |
-
1976
- 1976-02-25 US US05/661,106 patent/US4021625A/en not_active Expired - Lifetime
-
1977
- 1977-01-17 GB GB1673/77A patent/GB1510770A/en not_active Expired
- 1977-01-31 CA CA270,731A patent/CA1065015A/en not_active Expired
- 1977-02-22 DE DE19772707586 patent/DE2707586A1/de not_active Withdrawn
- 1977-02-25 FR FR7705548A patent/FR2342594A1/fr active Granted
- 1977-02-25 JP JP52019401A patent/JPS5942504B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52104013A (en) | 1977-09-01 |
| GB1510770A (en) | 1978-05-17 |
| US4021625A (en) | 1977-05-03 |
| JPS5942504B2 (ja) | 1984-10-15 |
| CA1065015A (en) | 1979-10-23 |
| FR2342594A1 (fr) | 1977-09-23 |
| DE2707586A1 (de) | 1977-09-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |