LU72328A1 - - Google Patents
Info
- Publication number
- LU72328A1 LU72328A1 LU72328A LU72328A LU72328A1 LU 72328 A1 LU72328 A1 LU 72328A1 LU 72328 A LU72328 A LU 72328A LU 72328 A LU72328 A LU 72328A LU 72328 A1 LU72328 A1 LU 72328A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742419251 DE2419251B2 (de) | 1974-04-22 | 1974-04-22 | Zeitstufe fuer pcm-zeitmultiplexkoppelfelder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU72328A1 true LU72328A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-08-20 |
Family
ID=5913527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU72328A LU72328A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-04-22 | 1975-04-21 |
Country Status (13)
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2456434A1 (fr) * | 1979-05-11 | 1980-12-05 | Servel Michel | Reseaux de commutation multiplex a division du temps a memoire tampon du type associatif adressable par son contenu |
| FR2461421A1 (fr) * | 1979-07-06 | 1981-01-30 | Servel Michel | Reseau de commutation multiplex a division du temps |
| JPS5947905B2 (ja) * | 1980-02-08 | 1984-11-22 | 株式会社日立製作所 | 共通伝送路を用いた情報の伝送方法 |
| US4382295A (en) * | 1981-04-23 | 1983-05-03 | Bell Telephone Laboratories, Incorporated | Digital conference time slot interchanger |
| NL8502023A (nl) * | 1985-07-15 | 1987-02-02 | Philips Nv | Werkwijze voor het schakelen van tijdsloten in een tdm-signaal en inrichting voor het uitvoeren van de werkwijze. |
| US4811332A (en) * | 1986-04-25 | 1989-03-07 | Pacific Bell | Apparatus and method for TDM data switching |
| AU2001231128A1 (en) * | 2000-02-04 | 2001-08-14 | Ppg Industries Ohio, Inc. | Photochromic coated articles |
| US20070142606A1 (en) * | 2005-12-16 | 2007-06-21 | Bojkova Nina V | Polyurethane (ureas) and sulfur-containing polyurethane (ureas) methods of preparation |
| US20070142604A1 (en) * | 2005-12-16 | 2007-06-21 | Nina Bojkova | Polyurethanes and sulfur-containing polyurethanes and methods of preparation |
| US8017720B2 (en) * | 2005-12-16 | 2011-09-13 | Ppg Industries Ohio, Inc. | Sulfur-containing oligomers and high index polyurethanes prepared therefrom |
| US20030096935A1 (en) * | 2001-11-16 | 2003-05-22 | Nagpal Vidhu J. | Impact resistant polyureaurethane and method of preparation |
| US20060241273A1 (en) * | 2001-11-16 | 2006-10-26 | Bojkova Nina V | High impact poly (urethane urea) polysulfides |
| US20040021133A1 (en) * | 2002-07-31 | 2004-02-05 | Nagpal Vidhu J. | High refractive index polymerizable composition |
| US7009032B2 (en) * | 2002-12-20 | 2006-03-07 | Ppg Industries Ohio, Inc. | Sulfide-containing polythiols |
| US11248083B2 (en) | 2004-09-01 | 2022-02-15 | Ppg Industries Ohio, Inc. | Aircraft windows |
| US11591436B2 (en) | 2004-09-01 | 2023-02-28 | Ppg Industries Ohio, Inc. | Polyurethane article and methods of making the same |
| US11008418B2 (en) | 2004-09-01 | 2021-05-18 | Ppg Industries Ohio, Inc. | Polyurethanes, articles and coatings prepared therefrom and methods of making the same |
| US9598527B2 (en) | 2004-09-01 | 2017-03-21 | Ppg Industries Ohio, Inc. | Polyurethanes, articles and coatings prepared therefrom and methods of making the same |
| US9464169B2 (en) | 2004-09-01 | 2016-10-11 | Ppg Industries Ohio, Inc. | Polyurethanes, articles and coatings prepared therefrom and methods of making the same |
| US11149107B2 (en) | 2004-09-01 | 2021-10-19 | Ppg Industries Ohio, Inc. | Polyurethanes, articles and coatings prepared therefrom and methods of making the same |
| US20090280709A1 (en) | 2004-09-01 | 2009-11-12 | Ppg Industries Ohio, Inc. | Polyurethanes, Articles and Coatings Prepared Therefrom and Methods of Making the Same |
| US20090280329A1 (en) | 2004-09-01 | 2009-11-12 | Ppg Industries Ohio, Inc. | Polyurethanes, Articles and Coatings Prepared Therefrom and Methods of Making the Same |
| JP4838882B2 (ja) * | 2006-05-05 | 2011-12-14 | ピーピージー インダストリーズ オハイオ，インコーポレイテッド | チオエーテル官能性ポリチオールオリゴマーおよびそれから調製される物品 |
| US9568643B2 (en) | 2012-12-13 | 2017-02-14 | Ppg Industries Ohio, Inc. | Polyurethane urea-containing compositions and optical articles and methods for preparing them |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3715505A (en) * | 1971-03-29 | 1973-02-06 | Bell Telephone Labor Inc | Time-division switch providing time and space switching |
| US3761894A (en) * | 1972-05-12 | 1973-09-25 | Bell Telephone Labor Inc | Partitioned ramdom access memories for increasing throughput rate |
| US3903370A (en) * | 1973-12-21 | 1975-09-02 | Bell Telephone Labor Inc | Line switch controller for a time division switching system |
-
1974
- 1974-04-22 DE DE19742419251 patent/DE2419251B2/de active Granted
-
1975
- 1975-03-10 AT AT184075A patent/AT333856B/de not_active IP Right Cessation
- 1975-04-02 GB GB13419/75A patent/GB1491823A/en not_active Expired
- 1975-04-08 CH CH441675A patent/CH591196A5/xx not_active IP Right Cessation
- 1975-04-11 NL NL7504353A patent/NL7504353A/xx not_active Application Discontinuation
- 1975-04-15 DK DK161275A patent/DK161275A/da not_active IP Right Cessation
- 1975-04-16 FR FR7511812A patent/FR2268423B1/fr not_active Expired
- 1975-04-18 JP JP50047362A patent/JPS50147213A/ja active Pending
- 1975-04-18 IT IT22473/75A patent/IT1037407B/it active
- 1975-04-21 LU LU72328A patent/LU72328A1/xx unknown
- 1975-04-21 SE SE7504616A patent/SE401073B/xx not_active IP Right Cessation
- 1975-04-21 US US05/569,660 patent/US3971892A/en not_active Expired - Lifetime
- 1975-04-22 BE BE155633A patent/BE828219A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE7504616L (sv) | 1975-12-18 |
| SE401073B (sv) | 1978-04-17 |
| ATA184075A (de) | 1976-04-15 |
| IT1037407B (it) | 1979-11-10 |
| FR2268423A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-11-14 |
| AT333856B (de) | 1976-12-10 |
| FR2268423B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-08-18 |
| JPS50147213A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-11-26 |
| DK161275A (da) | 1975-10-23 |
| DE2419251B2 (de) | 1976-10-28 |
| DE2419251A1 (de) | 1975-10-23 |
| BE828219A (fr) | 1975-10-22 |
| NL7504353A (nl) | 1975-10-24 |
| GB1491823A (en) | 1977-11-16 |
| CH591196A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-09-15 |
| US3971892A (en) | 1976-07-27 |