(19) United States
`(19) United States
`(12) Patent Application Publication (io) Pub. No.: US 2003/0215102 Al
`(12) Patent Application Publication (10) Pub. No.: US 2003/0215102 A1
`Nov. 20, 2003
`(43) Pub. Date:
`Marlowe
`(43) Pub. Date:
`NOV. 20, 2003
`Marlowe
`
`US 20030215102A1
`US 20030215102A1
`
`(54) AUDIO DEVICE INTEGRATION SYSTEM
`(54) AUDIO DEVICE INTEGRATION SYSTEM
`
`Inventor: Ira Marlowe, Fort Lee, NJ (US)
`(76)
`(76) Inventor: Ira Marlowe, Fort Lee, NJ (US)
`
`Correspondence Address:
`Correspondence Address:
`WOLFF & SAMSON, P.C.
`WOLFF & SAMSON, P.C.
`ONE BOLAND DRIVE
`ONE BOLAND DRIVE
`WEST ORANGE, NJ 07052 (US)
`WEST ORANGE, NJ 07052 (US)
`
`(21) Appl. No.:
`(21) Appl. No.:
`(22) Filed:
`(22) Filed:
`
`10/316,961
`10/316,961
`Dec. 11, 2002
`Dec. 11, 2002
`
`Publication Classification
`Publication Classi?cation
`
`(51) Int. CI.7
`H04B 3/00
`(51) Int. Cl.7 ..................................................... .. H04B 3/00
`(52) U.S. CI.
`381/77; 381/86
`(52) US. Cl. ............................................... .. 381/77; 381/86
`
`(57)
`ABSTRACT
`ABSTRACT
`(57)
`An audio device integration system is provided. One or more
`An audio device integration system is provided. One or more
`after-market audio devices, such as a CD player, CD
`after-market audio devices, such as a CD player, CD
`
`changer, MP3 player, satellite receiver, DAB receiver, or the
`changer, MP3 player, satellite receiver, DAB receiver, or the
`like, is integrated for use with an existing OEM or after-
`like, is integrated for use With an existing OEM or after
`market car stereo system, wherein control commands can be
`market car stereo system, Wherein control commands can be
`issued at the car stereo and responsive data from the audio
`issued at the car stereo and responsive data from the audio
`device can be displayed on the stereo. Control commands
`device can be displayed on the stereo. Control commands
`generated at the car stereo are received, processed, con­
`generated at the car stereo are received, processed, con
`verted into a format recognizable by the audio device, and
`verted into a format recognizable by the audio device, and
`dispatched to the audio device for execution. Information
`dispatched to the audio device for execution. Information
`from the audio device, including track, disc, song, station,
`from the audio device, including track, disc, song, station,
`time, and other information, is received, processed, con­
`time, and other information, is received, processed, con
`verted into a format recognizable by the car stereo, and
`verted into a format recognizable by the car stereo, and
`dispatched to the car stereo for display thereon. One or more
`dispatched to the car stereo for display thereon. One or more
`auxiliary input sources can be integrated with the car stereo,
`auxiliary input sources can be integrated With the car stereo,
`and selected between using the controls of the car stereo.
`and selected betWeen using the controls of the car stereo.
`Both an audio device and one or more auxiliary input
`Both an audio device and one or more auxiliary input
`sources can be integrated together, and a user can select
`sources can be integrated together, and a user can select
`between the device or the one or more auxiliary input
`betWeen the device or the one or more auxiliary input
`sources by issuing selection commands through the car
`sources by issuing selection commands through the car
`stereo. A docking station is provided for docking a portable
`stereo. A docking station is provided for docking a portable
`audio or video device for integration with the car stereo.
`audio or video device for integration With the car stereo.
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`Patent Application Publication Nov. 20, 2003 Sheet 1 0f 24
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`Patent Application Publication Nov. 20,2003 Sheet 2 of 24
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`US 2003/0215102 A1
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`1
`
`Nov. 20, 2003
`
`AUDIO DEVICE INTEGRATION SYSTEM
`
`BACKGROUND OF THE INVENTION
`
`[0001] 1. Field of the Invention
`[0002] The present invention relates to an audio device
`integration system. More specifically, the present invention
`relates to an audio device integration system for integrating
`after-market components such as satellite receivers, CD
`players, CD changers, MP3 players, Digital Audio Broad­
`cast (DAB) receivers, auxiliary audio sources, and the like
`with factory-installed (OEM) or after-market car stereo
`systems.
`[0003] 2. Related Art
`[0004] Automobile audio systems have continued to
`advance in complexity and the number of options available
`to automobile purchasers. Early audio systems offered a
`simple AM and/or FM tuner, and perhaps an analog tape
`deck for allowing cassettes, 8-tracks, and other types of
`tapes to be played while driving. Such early systems were
`closed, in that external devices could not be easily integrated
`therewith.
`[0005] With advances in digital technology, CD players
`have been included with automobile audio systems. Original
`Equipment Manufacturers (OEMs) often produce car stereos
`having CD players and/or changers for allowing CDs to be
`played while driving. However, such systems often include
`proprietary buses and protocols that do not allow after-
`market audio systems, such as satellite receivers (e.g., XM
`satellite tuners), digital audio broadcast (DAB) receivers,
`MP3 players, CD changers, auxiliary input sources, and the
`like, to be easily integrated therewith. Thus, automobile
`purchasers are frequently forced to either entirely replace the
`OEM audio system, or use same throughout the life of the
`vehicle or the duration of ownership. Even if the OEM radio
`is replaced with an after-market radio, the after-market radio
`also frequently is not operable with an external device.
`[0006] A particular problem with integrating after-market
`audio systems with existing car stereos is that signals
`generated by the car stereo is in a proprietary format, and is
`not capable of being processed by the after-market system.
`Additionally, signals generated by the after-market system
`are also in a proprietary format that is not recognizable by
`the car stereo. Thus, in order to integrate after-market
`systems with car stereos, it is necessary to convert signals
`between such systems.
`It known in the art to provide one or more expan­
`[0007]
`sion modules for OEM and after-market car stereos for
`allowing external audio products to be integrated with the
`car stereo. However, such expansion modules only operate
`with and allow integration of external audio products manu­
`factured by the same manufacturer as the OEM/after-market
`car stereo. For example, a satellite receiver manufactured by
`PIONEER, Inc., cannot be integrated with an OEM car radio
`manufactured by TOYOTA or an after-market car radio
`manufactured by CLARION, Inc. Thus, existing expansion
`modules only serve the limited purpose of integrating equip­
`ment by the same manufacturer as the car stereo. Thus, it
`would be desirable to provide an integration system that
`allows any audio device of any manufacture to be integrated
`with any OEM or after-market radio system.
`
`[0008]
`Moreover, it would be desirable to provide an
`integration system that not only achieves integration of
`various audio devices that are alien to a given OEM or
`after-market stereo system, but also allows for information
`to be exchanged between the after-market device and the car
`stereo. For example, it would be desirable to provide a
`system wherein station, track, time, and song information
`can be retrieved from the after-market device, formatted,
`and transmitted to the car stereo for display thereby, such as
`at an LCD panel of the car stereo. Such information could
`be transmitted and displayed on both hardwired radio sys­
`tems (e.g., radios installed in dashboards or at other loca­
`tions within the car), or integrated for display on one or more
`software or graphically-driven radio systems operable with
`graphical display panels. Additionally, it would be desirable
`to provide an audio integration system that allows a user to
`control more than one device, such as a CD or satellite
`receiver and one or more auxiliary sources, and to quickly
`and conveniently switch between same using the existing
`controls of the car stereo.
`[0009] Accordingly, the present invention addresses these
`needs by providing an audio integration system that allows
`a plurality of audio devices, such as CD players, CD
`changers, MP3 players, satellite receivers, DAB receivers,
`auxiliary input sources, or a combination thereof, to be
`integrated into existing car stereos while allowing informa­
`tion to be displayed on, and control to be provided from, the
`car stereo.
`
`SUMMARY OF THE INVENTION
`[0010] The present invention relates to an audio device
`integration system. One or more after-market audio devices,
`such as a CD player, CD changer, MP3 player, satellite
`receiver (e.g., XM tuner), digital audio broadcast (DAB)
`receiver, or auxiliary input source, can be connected to and
`operate with an existing stereo system in an automobile,
`such as an OEM car stereo system or an after-market car
`stereo system installed in the automobile. The integration
`system connects to and interacts with the car stereo at any
`available port of the car stereo, such as a CD input port, a
`satellite input, or other known type of connection. If the car
`stereo system is an after-market car stereo system, the
`present invention generates a signal that is sent to the car
`stereo to keep same in an operational state and responsive to
`external data and signals. Commands generated at the con­
`trol panel are received by the present invention and con­
`verted into a format recognizable by the after-market audio
`device. The formatted commands are executed by the audio
`device, and audio therefrom is channeled to the car stereo.
`Information from the audio device is received by the present
`invention, converted into a format recognizable by the car
`stereo, and forwarded to the car stereo for display thereby.
`The formatted information could include information relat-
`ing to a CD or MP3 track being played, channel, song, and
`artist information from a satellite receiver or DAB receiver,
`or video information from one or more external devices
`connected to the present invention. The information can be
`presented as one or more menus, textual, or graphical
`prompts for display on an LCD display of the radio, allow­
`ing interaction with the user at the radio. A docking port is
`provided for allowing portable external audio devices to be
`connected to the interface of the present invention.
`[0011]
`In an embodiment of the present invention, a dual-
`input device is provided for integrating both an external
`
`

`
`US 2003/0215102 A1
`
`2
`
`Nov. 20, 2003
`
`audio device and an auxiliary input with an OEM or after-
`market car stereo. The user can select between the external
`audio device and the auxiliary input using the controls of the
`car stereo. The invention can automatically detect the type of
`device connected to the auxiliary input, and integrate same
`with the car stereo.
`[0012] In another embodiment of the present invention, an
`interface is provided for integrating a plurality of auxiliary
`input sources with an existing car stereo system. A user can
`select between the auxiliary sources using the control panel
`of the car stereo. One or more after-market audio devices can
`be integrated with the auxiliary input sources, and a user can
`switch between the audio device and the auxiliary input
`sources using the car stereo. Devices connected to the
`auxiliary input sources are inter-operable with the car stereo,
`and are capable of exchanging commands and data via the
`interface.
`
`BRIEF DESCRIPTION OF THE DRAWINGS
`
`[0013] These and other important objects and features of
`the invention will be apparent from the following Detailed
`Description of the Invention, taken in connection with the
`accompanying drawings, in which:
`[0014] FIG. 1 is a block diagram showing the audio
`device integration system of the present invention.
`[0015] FIG. 2a is a block diagram showing an alternate
`embodiment of the audio device integration system of the
`present invention, wherein a CD player is integrated with a
`car radio.
`[0016] FIG. 2b is a block diagram showing an alternate
`embodiment of the audio device integration system of the
`present invention, wherein a MP3 player is integrated with
`a car radio.
`
`[0017] FIG. 2c is a block diagram showing an alternate
`embodiment of the audio device integration system of the
`present invention, wherein a satellite or DAB receiver is
`integrated with a car radio.
`[0018] FIG. 2d is a block diagram showing an alternate
`embodiment of the audio device integration system of the
`present invention, wherein a plurality of auxiliary input
`sources are integrated with a car radio.
`
`[0019] FIG. 2e is a block diagram showing an alternate
`embodiment of the audio device integration system of the
`present invention, wherein a CD player and a plurality of
`auxiliary input sources are integrated with a car radio.
`
`[0020] FIG. 2/ is a block diagram showing an alternate
`embodiment of the present invention, wherein a satellite or
`DAB receiver and a plurality of auxiliary input source are
`integrated with a car radio.
`
`[0021] FIG. 2g is a block diagram showing an alternate
`embodiment of the present invention, wherein a MP3 player
`and a plurality of auxiliary input sources are integrated with
`a car radio.
`[0022] FIG. 2h is a block diagram showing an alternate
`embodiment of the present invention, wherein a plurality of
`auxiliary interfaces and an audio device are integrated with
`a car stereo.
`
`[0023] FIG. 3fl is a circuit diagram showing a device
`according to the present invention for integrating a CD
`player or an auxiliary input source with a car radio.
`[0024] FIG. 3b is a circuit diagram showing a device
`according to the present invention for integrating both a CD
`player and an auxiliary input source with a car radio,
`wherein the CD player and the auxiliary input are switchable
`by a user.
`[0025] FIG. 3c is a circuit diagram showing a device
`according to the present invention for integrating a plurality
`of auxiliary input sources with a car radio.
`[0026] FIG. 3d is a circuit diagram showing a device
`according to the present invention for integrating a satellite
`or DAB receiver with a car radio.
`[0027] FIG. 4fl is a flowchart showing processing logic
`according to the present invention for integrating a CD
`player with a car radio.
`[0028] FIG. 4b is a flowchart showing processing logic
`according to the present invention for integrating a MP3
`player with a car radio.
`[0029] FIG. 4c is a flowchart showing processing logic
`according to the present invention for integrating a satellite
`receiver with a car radio.
`[0030] FIG. 4d is a flowchart showing processing logic
`according to the present invention for integrating a plurality
`of auxiliary input sources with a car radio.
`[0031] FIG. 4e is a flowchart showing processing logic
`according to the present invention for integrating a CD
`player and one or more auxiliary input sources with a car
`radio.
`[0032] FIG. 4/ is a flowchart showing processing logic
`according to the present invention for integrating a satellite
`or DAB receiver and one or more auxiliary input sources
`with a car radio.
`[0033] FIG. 4g is a flowchart showing processing logic
`according to the present invention for integrating a MP3
`player and one or more auxiliary input sources with a car
`stereo.
`[0034] FIG. 5 is a flowchart showing processing logic
`according to the present invention for allowing a user to
`switch between an after-market audio device and one or
`more auxiliary input sources.
`[0035] FIG. 6 is a flowchart showing processing logic
`according to the present invention for determining and
`handling various device types connected to the auxiliary
`input ports of the invention.
`[0036] FIG. la is a perspective view of a docking station
`according to the present invention for retaining an audio
`device within a car.
`[0037] FIG. lb is an end view of the docking station of
`FIG. la.
`
`DETAILED DESCRIPTION OF THE
`INVENTION
`[0038] The present invention relates to an audio device
`integration system. One or more after-market audio devices,
`such as a CD player, CD changer, MP3 player, satellite
`
`

`
`US 2003/0215102 A1
`
`3
`
`Nov. 20, 2003
`
`receiver, digital audio broadcast (DAB) receiver, or the like,
`can be integrated with an existing car radio, such as an OEM
`car stereo or an after-market car stereo. Control of the audio
`device is enabled using the car radio, and information from
`the audio device, such as channel number, channel name,
`artist, track, time, and song information, is retrieved form
`the audio device, processed,