EP1524770A3
Method and apparatus for transmitting digital audio signals
Abstract
Provided is a system and method for communicating audio. A method includes transmitting audio information segments on a first signal line, each segment including a format portion representative of audio format modes, and a data portion having audio data corresponding to one or more of the format modes. The method also includes transmitting a number of synchronization markers on a second signal line. Each marker is representative of a timing of one of the audio information segments.

Term
Term ended
Projected expiry passed 23 July 2024, 2.2 years ago.
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1 sheet
Sheet 1
Every citation, both waysCites: the store holds 2 of 3
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| US5889820A | Cites | United States of America | A | Search report | 1-10 |
| US6205223B1 | Cites | United States of America | A | Search report | 1-10 |
| CIRRUS LOGIC: "96 kHz digital audio interface transmitter", DATA SHEET CS8405A, November 1999 (1999-11-01), XP002318809, Retrieved from the Internet <URL:www.cirrus.com> [retrieved on 20050222] | Non-patent | – | – | Search report | – |
| CIRRUS LOGIC: "Overview of digital audio interface data structure", APPLICATION NOTE AN22, February 1998 (1998-02-01), XP002318810, Retrieved from the Internet <URL:www.cirrus.com> [retrieved on 20050223] | Non-patent | – | – | Search report | – |
75 members in 2 offices
Priority claims10
| Document | Office | Kind | Date |
|---|---|---|---|
| 495127P | United States of America | – | |
| 49512703 | United States of America | P | |
| 49512703 | United States of America | P | |
| 646833 | United States of America | – | |
| 64683303 | United States of America | A | |
| 64683303 | United States of America | A | |
| 495127P | – | – | – |
| 646833 | – | – | – |
| US20030495127P | – | – | – |
| US20030646833 | – | – | – |
Members75
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|---|---|---|---|
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| US2003197810A1 | United States of America | A1 | |
| US2004223083A1 | United States of America | A1 | |
| US2004223086A1 | United States of America | A1 | |
| EP1501284A2 | European Patent Office (EPO) | A2 | |
| US2005027771A1 | United States of America | A1 | |
| US2005028220A1 | United States of America | A1 | |
| EP1507410A1 | European Patent Office (EPO) | A1 | |
| US2005035887A1 | United States of America | A1 | |
| US2005035975A1 | United States of America | A1 | |
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| EP1519585A2 | European Patent Office (EPO) | A2 | |
| EP1519586A2 | European Patent Office (EPO) | A2 | |
| EP1524770A2 | European Patent Office (EPO) | A2 | |
| EP1524770A3This record | European Patent Office (EPO) | A3 | |
| US2005280742A1 | United States of America | A1 | |
| US7058868B2 | United States of America | B2 | |
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| EP1519585A3 | European Patent Office (EPO) | A3 | |
| EP1501284A3 | European Patent Office (EPO) | A3 | |
| US2012147974A1 | United States of America | A1 | |
| EP1519586A3 | European Patent Office (EPO) | A3 | |
| US8665969B2 | United States of America | B2 | |
| US8711288B2 | United States of America | B2 | |
| US8854545B2 | United States of America | B2 |
12 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application deemed to be withdrawnWithdrawn18D | 18D | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA | STAA | |
| First examination report despatched17Q | 17Q | |
| Party data changed (applicant data changed or rights of an application transferred)RAP1 | RAP1 | |
| Designation fees paidAKX | AKX | |
| Request for examination filed17P | 17P | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAX | AX | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAX | AX | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI |
Numbers
- Publication
- 1524770
- Publication, DOCDB
- 1524770
- Publication, EPODOC
- EP1524770
- Application
- 4017519
- Application, DOCDB
- 04017519
- Application, EPODOC
- EP20040017519
Titles3
- German
- Verfahren und Einrichtung zum Übertragen der digitalen Tonsignale
- English
- Method and apparatus for transmitting digital audio signals
- French
- Procédé et appareil pour la transmission de signaux numériques audio
Classification
- CPC, 5
- H04N21/4263
- H04N5/46
- H04N7/035
- H04N21/426
- H04N2005/91364
- IPC, 6
- G11B5 09
- H03M1 12
- H04L9 00
- H04N5 44
- H04N5 46
- H04N5 913
Designated states2
- Contracting states, 1
- Türkiye
- Extension states, 1
- North Macedonia