JPS5019402B1 - - Google Patents
Info
- Publication number
- JPS5019402B1 JPS5019402B1 JP45055649A JP5564970A JPS5019402B1 JP S5019402 B1 JPS5019402 B1 JP S5019402B1 JP 45055649 A JP45055649 A JP 45055649A JP 5564970 A JP5564970 A JP 5564970A JP S5019402 B1 JPS5019402 B1 JP S5019402B1
- 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
- H04L12/00—Data switching networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR6921829A FR2045249A5 (ja) | 1969-06-27 | 1969-06-27 | |
| FR6945005A FR2071362A6 (ja) | 1969-12-24 | 1969-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5019402B1 true JPS5019402B1 (ja) | 1975-07-07 |
Family
ID=26215135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45055649A Pending JPS5019402B1 (ja) | 1969-06-27 | 1970-06-27 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3686438A (ja) |
| JP (1) | JPS5019402B1 (ja) |
| BE (1) | BE752152A (ja) |
| CH (1) | CH534460A (ja) |
| DE (1) | DE2031747B2 (ja) |
| GB (1) | GB1310703A (ja) |
| NL (1) | NL7009328A (ja) |
| SE (1) | SE354755B (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63124291U (ja) * | 1987-02-06 | 1988-08-12 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5285481A (en) * | 1991-10-15 | 1994-02-08 | National Semiconductor Corporation | Receiver circuit with smart squelch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2820089A (en) * | 1954-09-01 | 1958-01-14 | Philips Corp | Rhythmic telegraph system |
| US2985774A (en) * | 1959-08-27 | 1961-05-23 | Westinghouse Electric Corp | Polarity sensing amplifier circuit |
| DE1298113B (de) * | 1966-08-25 | 1969-06-26 | Siemens Ag | Verfahren und Schaltungsanordnung zum Anschalten einer Eintretestelle in Fernmelde-,insbesondere Fernschreibvermittlungs-anlagen |
-
1970
- 1970-06-10 CH CH870370A patent/CH534460A/fr not_active IP Right Cessation
- 1970-06-18 BE BE752152D patent/BE752152A/xx unknown
- 1970-06-25 GB GB3098170A patent/GB1310703A/en not_active Expired
- 1970-06-25 NL NL7009328A patent/NL7009328A/xx not_active Application Discontinuation
- 1970-06-26 DE DE2031747A patent/DE2031747B2/de not_active Withdrawn
- 1970-06-26 SE SE08877/70A patent/SE354755B/xx unknown
- 1970-06-27 JP JP45055649A patent/JPS5019402B1/ja active Pending
- 1970-06-29 US US50404A patent/US3686438A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63124291U (ja) * | 1987-02-06 | 1988-08-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3686438A (en) | 1972-08-22 |
| DE2031747A1 (de) | 1971-01-07 |
| SE354755B (ja) | 1973-03-19 |
| CH534460A (fr) | 1973-02-28 |
| GB1310703A (en) | 1973-03-21 |
| BE752152A (fr) | 1970-12-18 |
| NL7009328A (ja) | 1970-12-29 |
| DE2031747B2 (de) | 1978-05-18 |