Electroacoustic transducer for a headrest loudspeaker

• US 6,356,645 B1
• Filed: 11/19/1998
• Issued: 03/12/2002
• Est. Priority Date: 11/22/1997
• Status: Expired due to Fees

• Current Assignee: PVT Prazisions-Verbindungstechnik Und Steuerungsbau GmbH
• Original Assignee: PVT Prazisions-Verbindungstechnik Und Steuerungsbau GmbH
• Inventors: Trenkle, Elvira
• Primary Examiner(s): Tran, Sinh
• Assistant Examiner(s): DABNEY, PHYLESHA LARVINIA
• Application Number:
  US09/195,807
• Time in Patent Office: 1,209 Days
• Field of Search: 381/94, 381/386, 381/390, 381/389, 381/370, 381/375, 381/376, 381/86, 381/71.6, 381/361, 381/362, 381/365, 455/66, 455/90, 455/99, 455/345, 455/344, 455/350, 379/430
• US Class Current: 381/389
• CPC Class Codes: B60R 11/0217 for loud-speakers
• CPC Class Codes: B60R 11/0241 for telephones
• CPC Class Codes: B60R 11/0247 for microphones or earphones
• CPC Class Codes: B60R 2011/0017 Head-rests
• CPC Class Codes: B60R 2011/0059 using clips, clamps, straps or the like
• CPC Class Codes: B60R 2011/0091 the article being mounted on a flexible shaft
• CPC Class Codes: H04R 2499/13 Acoustic transducers and sound field adaptation in vehicles

Abstract

An electroacoustic transducer unit for a handsfree device in a vehicle includes a loudspeaker, a microphone and a connection to a mobile phone. The microphone can be mounted on a flexible bracket. The unit is constructed for positioning in the upper seatback area of a seat of the vehicle. One way of positioning is an elongated casing with two recesses at both ends and a spring device at one end. The casing can be inserted between the headrest carriers and is elastically fixed to it.

Claims

1. An electroacoustic transducer unit for a handsfree device in a vehicle particularly for connection to a mobile telephone as the transmission device, wherein a microphone means with at least one microphone is associated with said transducer unit and said transducer unit is constructed for positioning in the upper seatback area of a seat, has at least one support and has a spring suspension for locking with initial stress, wherein said support is constructed for fixing said transducer unit in the vicinity of a headrest of said seat between said headrest and said seatback.

2. Electroacoustic transducer unit according to claim 1, comprising at least one loudspeaker.

3. Electroacoustic transducer unit according to claim 1, wherein said unit is lockable in self-arresting manner between two headrest carriers of said seat.

4. Electroacoustic transducer unit according to claim 1, comprising a casing with at least one loudspeaker.

5. Electroacoustic transducer unit according to claim 4, wherein said casing has a cavity formed for receiving said at least one loudspeaker and having at least one sound exit opening.

6. Electroacoustic transducer unit according to claim 5, wherein said sound exit opening is oriented in the direction of vehicular travel.

7. Electroacoustic transducer unit according to claim 4, wherein a loudspeaker is adjustable with respect to said casing.

8. Electroacoustic transducer unit according to claim 1, wherein said casing has at least two parts, one of said parts being connected in articulated manner to the remaining casing.

9. Electroacoustic transducer unit according to claim 1, comprising a microphone holder for said microphone, said holder being constructed in such a way that the position and orientation of said microphone is fixable in variable manner.

10. Electroacoustic transducer unit according to claim 9, wherein said microphone holder is constructed as a flexible bracket.

11. Electroacoustic transducer unit according to claim 1, wherein a handsfree electronics is associated therewith.

12. Electroacoustic transducer unit according to claim 11, wherein said handsfree electronics is housed in a casing of said transducer unit.

13. Electroacoustic transducer unit according to claim 1, wherein said unit has an insertable battery as its own power supply.

14. Electroacoustic transducer unit according to claim 1, wherein said unit is connectable in signal-transmitting manner to a mobile or car telephone by means of a connecting cable.

15. Electroacoustic transducer unit according to claim 1, wherein said unit has a shock absorbing casing on at least one outside.

16. An electroacoustic transducer unit for a handsfree device in a vehicle, particularly for connection to a mobile telephone as the transmission device, wherein a microphone means with at least one microphone is associated with said transducer unit and said transducer unit is constructed for positioning in the upper seatback area of a seat, has at least one support and has a spring suspension for locking with initial stress, wherein said support is part of a casing and is constructed for fixing to at least one headrest carrier of a headrest of said seat and wherein the length of at least part of said casing is variable.

17. Electroacoustic transducer unit according to claim 16, wherein said unit comprises at least one loudspeaker.

18. Electroacoustic transducer unit according to claim 16, wherein said unit is lockable in self-arresting manner between two headrest carriers of said seat.

19. Electroacoustic transducer unit according to claim 16, wherein said unit comprises a casing with at least one loudspeaker.

20. Electroacoustic transducer unit according to claim 19, wherein said casing has a cavity formed for receiving said at least one loudspeaker and having at least one sound exit opening.

21. Electroacoustic transducer unit according to claim 20, wherein said sound exit opening is oriented in the direction of vehicular travel.

22. Electroacoustic transducer unit according to claim 16, wherein said casing has at least two parts, one of said parts being connected in articulated manner to the remaining casing.

23. Electroacoustic transducer unit according to claim 16, wherein a loudspeaker is adjustable with respect to said casing.

24. Electroacoustic transducer unit according to claim 16, comprising a microphone holder for said microphone, being constructed in such a way that the position and orientation of said microphone is fixable in variable manner.

25. Electroacoustic transducer unit according to claim 24, wherein said microphone holder is constructed as a flexible bracket.

26. Electroacoustic transducer unit according to claim 16, wherein a handsfree electronics is associated therewith.

27. Electroacoustic transducer unit according to claim 26, wherein said handsfree electronics is housed in a casing of said transducer unit.

28. Electroacoustic transducer unit according to claim 16, wherein said unit includes an insertable battery as its own power supply.

29. Electroacoustic transducer unit according to claim 16, wherein said unit is connectable in signal-transmitting manner to a mobile or car telephone by means of a connecting cable.

30. Electroacoustic transducer unit according to claim 16, wherein said unit comprises a shock absorbing casing on at least one outside surface thereof.