EP2733958B1 - Dispositif électronique conçu pour détecter un système audio de véhicule - Google Patents
Dispositif électronique conçu pour détecter un système audio de véhicule Download PDFInfo
- Publication number
- EP2733958B1 EP2733958B1 EP12192956.6A EP12192956A EP2733958B1 EP 2733958 B1 EP2733958 B1 EP 2733958B1 EP 12192956 A EP12192956 A EP 12192956A EP 2733958 B1 EP2733958 B1 EP 2733958B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electronic device
- pulse
- audio
- audio system
- coupled
- Prior art date
- 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.)
- Active
Links
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Claims (13)
- Procédé de détection du fait qu'un dispositif électronique portable (110) est ou non couplé à un système audio (120), comprenant :la génération d'une impulsion (Ip) sur une ligne de retour de masse (114) du dispositif électronique (110) ;l'observation du fait qu'un signal de réponse (Ir) est ou non reçu par le dispositif électronique en correspondance avec l'impulsion, le signal de réponse (Ir) étant un courant de sortie observé sur une ligne de masse de charge (131) du dispositif électronique (110) ; etsi le signal de réponse (Ir) est reçu, alors, la détermination du fait que le dispositif électronique (110) est couplé au système audio (120).
- Procédé selon la revendication 1, comprenant de plus la détermination du fait que le dispositif électronique (110) n'est pas couplé au système audio (120) si aucun signal de réponse (Ir) n'est reçu.
- Procédé selon l'une quelconque des revendications précédentes, dans lequel l'impulsion (Ip) est générée par un générateur d'impulsion (140) couplé à la ligne de retour de masse (114) du dispositif électronique (110).
- Procédé selon l'une quelconque des revendications précédentes, dans lequel le signal de réponse (Ir) est observé par un détecteur (142) couplé à la ligne de masse de charge (131).
- Procédé selon l'une quelconque des revendications précédentes, comprenant de plus la détection du fait que le dispositif électronique (110) est couplé à un accessoire de charge (130) avant la génération de l'impulsion (Ip).
- Procédé selon l'une quelconque des revendications précédentes, comprenant de plus la détection du fait que le dispositif électronique (110) est en train d'être chargé, puis la génération d'une impulsion consécutive.
- Procédé selon l'une quelconque des revendications précédentes, comprenant de plus, avant la génération de l'impulsion (Ip), la mesure d'une impédance observée sur une prise jack audio (111) du dispositif électronique (110), et la génération de l'impulsion uniquement si l'impédance observée se trouve à l'intérieur d'une plage d'impédance particulière.
- Dispositif électronique (110) conçu pour détecter s'il est ou non couplé à un système audio (120), comprenant :un générateur d'impulsion (140) conçu pour générer une impulsion (Ip) sur une ligne de retour de masse (114) du dispositif électronique (110) ; etun détecteur (142) conçu pour observer si un signal de réponse (Ir) est reçu par le dispositif électronique en correspondance avec l'impulsion, le signal de réponse (Ir) étant un courant de sortie observé sur une ligne de masse de charge (131) du dispositif électronique (110) ;dans lequel, si le signal de réponse est reçu, le dispositif électronique (110) est couplé au système audio (120).
- Dispositif électronique (110) selon la revendication 8, le dispositif électronique (110) déterminant qu'il n'est pas couplé au système audio (120) si aucun signal de réponse (Ir) n'est reçu.
- Dispositif électronique (110) selon l'une quelconque ou plusieurs des revendications 8 ou 9, dans lequel le détecteur (142) est couplé à la ligne de masse de charge (131).
- Dispositif électronique (110) selon l'une quelconque ou plusieurs des revendications 8 à 11, le dispositif électronique (110) détectant qu'il est couplé à un accessoire de charge (130) avant la génération de l'impulsion (Ip).
- Dispositif électronique (110) selon l'une quelconque ou plusieurs des revendications 8 à 12, dans lequel, lorsque le dispositif électronique (110) détecte qu'il est en train d'être chargé, il génère alors une impulsion consécutive.
- Dispositif électronique (110) selon l'une quelconque ou plusieurs des revendications 8 à 13, dans lequel, avant la génération de l'impulsion (Ip), le dispositif électronique (110) mesure une impédance observée sur une prise jack audio (111) du dispositif électronique (110), et ne génère l'impulsion (Ip) que si l'impédance observée se trouve à l'intérieur d'une plage d'impédance particulière.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12192956.6A EP2733958B1 (fr) | 2012-11-16 | 2012-11-16 | Dispositif électronique conçu pour détecter un système audio de véhicule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12192956.6A EP2733958B1 (fr) | 2012-11-16 | 2012-11-16 | Dispositif électronique conçu pour détecter un système audio de véhicule |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2733958A1 EP2733958A1 (fr) | 2014-05-21 |
| EP2733958B1 true EP2733958B1 (fr) | 2016-07-13 |
Family
ID=47594283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12192956.6A Active EP2733958B1 (fr) | 2012-11-16 | 2012-11-16 | Dispositif électronique conçu pour détecter un système audio de véhicule |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP2733958B1 (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7890284B2 (en) * | 2002-06-24 | 2011-02-15 | Analog Devices, Inc. | Identification system and method for recognizing any one of a number of different types of devices |
| JP5290944B2 (ja) * | 2009-11-27 | 2013-09-18 | ラピスセミコンダクタ株式会社 | プラグの種別を判定する方法及びプラグ判定回路 |
| FR2954510B1 (fr) * | 2009-12-18 | 2012-06-08 | Sagem Comm | Appareil comprenant des moyens de connexion a un ou des haut parleurs externes ainsi que des moyens de detection d'une telle connexion |
| US8629580B2 (en) * | 2011-02-09 | 2014-01-14 | Apple Inc. | Audio accessory type detection and connector pin signal assignment |
-
2012
- 2012-11-16 EP EP12192956.6A patent/EP2733958B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2733958A1 (fr) | 2014-05-21 |
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