ATE133506T1 - Ausgangsstufe auf einer synchronen seriellen leitung, insbesondere für numerische schnittstellenkarte für fernsprechanlage und fernsprechanlage mit solcher schnittstellenkarte - Google Patents
Ausgangsstufe auf einer synchronen seriellen leitung, insbesondere für numerische schnittstellenkarte für fernsprechanlage und fernsprechanlage mit solcher schnittstellenkarteInfo
- Publication number
- ATE133506T1 ATE133506T1 AT90121032T AT90121032T ATE133506T1 AT E133506 T1 ATE133506 T1 AT E133506T1 AT 90121032 T AT90121032 T AT 90121032T AT 90121032 T AT90121032 T AT 90121032T AT E133506 T1 ATE133506 T1 AT E133506T1
- Authority
- AT
- Austria
- Prior art keywords
- interface card
- telephone system
- output stage
- synchronous serial
- serial line
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4072—Drivers or receivers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Prepayment Telephone Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Communication Control (AREA)
- Facsimiles In General (AREA)
- Radio Relay Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8914664A FR2654278B1 (fr) | 1989-11-08 | 1989-11-08 | Etage de sortie sur un lien serie synchrone, en particulier pour carte d'interface numerique equipant un central telephonique, et central telephonique equipe de telles cartes d'interface. |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE133506T1 true ATE133506T1 (de) | 1996-02-15 |
Family
ID=9387210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT90121032T ATE133506T1 (de) | 1989-11-08 | 1990-11-02 | Ausgangsstufe auf einer synchronen seriellen leitung, insbesondere für numerische schnittstellenkarte für fernsprechanlage und fernsprechanlage mit solcher schnittstellenkarte |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0427137B1 (de) |
AT (1) | ATE133506T1 (de) |
AU (1) | AU634300B2 (de) |
DE (1) | DE69025035T2 (de) |
ES (1) | ES2081897T3 (de) |
FR (1) | FR2654278B1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69316215T2 (de) * | 1993-10-29 | 1998-04-16 | St Microelectronics Srl | Zum Arbeiten mit niedrigen und hohen Spannungen geeignete Eingangs-/Ausgangsstufe |
US5696994A (en) * | 1995-05-26 | 1997-12-09 | National Semiconductor Corporation | Serial interface having control circuits for enabling or disabling N-channel or P-channel transistors to allow for operation in two different transfer modes |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4490631A (en) * | 1982-08-30 | 1984-12-25 | National Semiconductor Corporation | Totem pole/open collector selectable output circuit |
JPH0821846B2 (ja) * | 1989-02-03 | 1996-03-04 | 日本電気株式会社 | ワイアード信号ドライブ回路 |
-
1989
- 1989-11-08 FR FR8914664A patent/FR2654278B1/fr not_active Expired - Lifetime
-
1990
- 1990-10-26 AU AU65538/90A patent/AU634300B2/en not_active Expired - Fee Related
- 1990-11-02 EP EP90121032A patent/EP0427137B1/de not_active Expired - Lifetime
- 1990-11-02 AT AT90121032T patent/ATE133506T1/de not_active IP Right Cessation
- 1990-11-02 ES ES90121032T patent/ES2081897T3/es not_active Expired - Lifetime
- 1990-11-02 DE DE69025035T patent/DE69025035T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0427137A1 (de) | 1991-05-15 |
AU6553890A (en) | 1991-05-16 |
FR2654278B1 (fr) | 1992-01-10 |
DE69025035D1 (de) | 1996-03-07 |
DE69025035T2 (de) | 1996-05-30 |
ES2081897T3 (es) | 1996-03-16 |
EP0427137B1 (de) | 1996-01-24 |
FR2654278A1 (fr) | 1991-05-10 |
AU634300B2 (en) | 1993-02-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |