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A portable communication system provides a universal transmitter that couples to a communication device having an audio port, e.g., a cellular phone audio port, and which transforms the sound output into signals, e.g., infrared pulses, for transmission to a wireless receiver, e.g., a behind the ear

A portable communication system provides a universal transmitter that couples to a communication device having an audio port, e.g., a cellular phone audio port, and which transforms the sound output into signals, e.g., infrared pulses, for transmission to a wireless receiver, e.g., a behind the ear or in the ear receiver.

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What is claimed is: 1. A portable communication system for use by a user with a communication apparatus having an audio port, the system comprising: an infrared transmitter apparatus, wherein the infrared transmitter apparatus comprises: at least one audio port configured to receive an audio signal

What is claimed is: 1. A portable communication system for use by a user with a communication apparatus having an audio port, the system comprising: an infrared transmitter apparatus, wherein the infrared transmitter apparatus comprises: at least one audio port configured to receive an audio signal representative of received audio input from the communication apparatus, at least one infrared light emitting device, modulation circuitry operable to convert the audio signal to one or more constant width electrical pulses to drive the infrared light emitting device to transmit one or more corresponding constant width infrared pulses, wherein the modulation circuitry comprises: pulse width modulation circuitry to convert the audio signal using a carrier signal to one or more width modulated pulses, wherein the width of the one or more pulses is varied as a function of the audio signal; an edge detect circuit to detect the edges of the one or more width modulated pulses and generate constant width pulses based on the detected edges; and a pulse driver circuit to drive the infrared light emitting device; a microphone coupled to the at least one audio port of the infrared transmitter apparatus and operable to generate an audio signal from received sound input of the user, wherein the audio signal generated from received sound input of the user is provided to the audio port of the communication apparatus via the audio port of the infrared transmitter apparatus, and a transmitter housing enclosing the modulation circuitry and the microphone and upon which the at least one infrared light emitting device is mounted, wherein the transmitter housing is of a size smaller than the communication apparatus and configured to be removably coupled onto the communication apparatus; and an infrared receiver apparatus, wherein the infrared receiver apparatus comprises: an infrared light detection device to detect the one or more corresponding constant width infrared pulses and generate one or more electric signals representative of the detected infrared pulses, a speaker, demodulation circuitry operable to convert the one or more electric signals representative of the detected infrared pulses to an audio signal to power the speaker to produce a sound output, and a receiver housing enclosing the speaker and the demodulation circuitry and upon which the infrared light detection device is mounted, wherein the receiver housing is formed to be self-supported by the ear of the user. 2. The system of claim 1, wherein the microphone is coupled to the at least one audio port of the infrared transmitter apparatus via an amplification circuit to provide the audio signal with a gain. 3. The system of claim 2, wherein the gain is in the range of 2 to 20. 4. The system of claim 1, wherein the transmitter housing comprises means for removably attaching the transmitter housing to the communication apparatus. 5. The system of claim 4, wherein the transmitter housing is removably coupled onto the communication apparatus by a two faced adhering system. 6. The system of claim 1, wherein the receiver housing comprises an in the ear receiver housing securable within the concha of the ear. 7. The system of claim 1, wherein the receiver housing comprises a behind the ear receiver housing securable by the pinna of the ear. 8. The system of claim 1, wherein the at least one audio port of the transmitter apparatus configured to receive an audio signal representative of received audio input from the communication apparatus comprises an audio port configured for wired connection to the audio port of the communication apparatus. 9. The system of claim 8, wherein the communication apparatus is a phone apparatus having a microphone/speaker audio port, and further wherein the audio port of the transmitter apparatus is configured for wired connection to the microphone/speaker audio port by a cord/plug connector apparatus. 10. The system of claim 1, wherein the modulation circuitry comprises voice activated power up circuitry. 11. The system of claim 1, wherein the size of the transmitter housing comprises a volume less than about 5 cm3. 12. The system of claim 1, wherein the transmitter housing is configured to be removably coupled to a removable battery apparatus. 13. The system of claim 12, wherein the removable battery apparatus is configured to receive at least one of button type batteries and cylindrical alkaline batteries. 14. A portable communication system for use by a user with a communication apparatus having an audio port, the system comprising: an infrared transmitter apparatus, wherein the infrared transmitter apparatus comprises: at least one audio port configured to receive an audio signal representative of received audio input from the communication apparatus, at least one infrared light emitting device, modulation circuitry operable to convert the audio signal to one or more constant width electrical pulses to drive the infrared light emitting device to transmit one or more corresponding constant width infrared pulses, a microphone coupled to the at least one audio port of the infrared transmitter apparatus and operable to generate an audio signal from received sound input of the user, wherein the audio signal generated from received sound input of the user is provided to the audio port of the communication apparatus via the audio port of the infrared transmitter apparatus, and a transmitter housing enclosing the modulation circuitry and the microphone and upon which the at least one infrared light emitting device is mounted, wherein the transmitter housing is of a size smaller than the communication apparatus and configured to be removably coupled onto the communication apparatus; and an infrared receiver apparatus, wherein the infrared receiver apparatus comprises: an infrared light detection device to detect the one or more corresponding constant width infrared pulses and generate one or more electric signals representative of the detected infrared pulses, a speaker, demodulation circuitry operable to convert the one or more electric signals representative of the detected infrared pulses to an audio signal to power the speaker to produce a sound output, wherein the demodulation circuitry comprises: pulse detection circuitry to convert the one or more electrical signals representative of the detected infrared pulses to one or more constant width pulses based thereon; pulse width convertor circuitry to convert the one or more constant width pulses to one or more width modulated pulses; and pulse width demodulation circuitry to convert the one or more width modulated pulses to an audio signal for application to the speaker; and a receiver housing enclosing the speaker and the demodulation circuitry and upon which the infrared light detection device is mounted, wherein the receiver housing is formed to be self-supported by the ear of the user. 15. The system of claim 14, wherein the demodulation circuitry comprises at least amplification circuitry always operable in power-on idle mode when battery devices are connected for operation of the infrared receiver apparatus. 16. The system of claim 14, wherein the microphone is coupled to the at least one audio port of the infrared transmitter apparatus via an amplification circuit to provide the audio signal with a gain. 17. The system of claim 16, wherein the gain is in the range of 2 to 20. 18. The system of claim 14, wherein the transmitter housing comprises means for removably attaching the transmitter housing to the communication apparatus. 19. The system of claim 18, wherein the transmitter housing is removably coupled onto the communication apparatus by a two faced adhering system. 20. The system of claim 14, wherein the receiver housing comprises an in the ear receiver housing securable within the concha of the ear. 21. The system of claim 14, wherein the receiver housing comprises a behind the ear receiver housing securable by the pinna of the ear. 22. The system of claim 14, wherein the at least one audio port of the transmitter apparatus configured to receive an audio signal representative of received audio input from the communication apparatus comprises an audio port configured for wired connection to the audio port of the communication apparatus. 23. The system of claim 22, wherein the communication apparatus is a phone apparatus having a microphone/speaker audio port, and further wherein the audio port of the transmitter apparatus is configured for wired connection to the microphone/speaker audio port by a cord/plug connector apparatus. 24. The system of claim 14, wherein the modulation circuitry comprises: pulse width modulation circuitry to convert the audio signal using a carrier signal to one or more width modulated pulses, wherein the width of the one or more pulses is varied as a function of the audio signal; an edge detect circuit to detect the edges of the one or more width modulated pulses and generate constant width pulses based on the detected edges; and a pulse driver circuit to drive the infrared light emitting device. 25. The system of claim 24, wherein the modulation circuitry comprises voice activated power up circuitry. 26. The system of claim 14, wherein the demodulation circuitry comprises at least amplification circuitry always operable in power-on idle mode when battery devices are connected for operation of the infrared receiver apparatus. 27. The system of claim 14, wherein the size of the transmitter housing comprises a volume less than about 5 cm3. 28. The system of claim 14, wherein the transmitter housing is configured to be removably coupled to a removable battery apparatus. 29. The system of claim 28, wherein the removable battery apparatus is configured to receive at least one of button type batteries and cylindrical alkaline batteries. 30. A portable transmitter apparatus for use by a user with a communication apparatus having an audio port, the apparatus comprising: at least one audio port configured to receive an audio signal representative of received audio input from the communication apparatus; at least one infrared light emitting device; modulation circuitry operable to convert the audio signal to one or more constant width electrical pulses to drive the infrared light emitting device to transmit one or more corresponding constant width infrared pulses, wherein the modulation circuitry comprises: pulse width modulation circuitry to convert the audio signal using a carrier signal to one or more width modulated pulses, wherein the width of the one or more pulses is varied as a function of the audio signal; an edge detect circuit to detect the edges of the one or more width modulated pulses and generating constant width pulses based on the detected edges; and a pulse driver circuit to drive the infrared light emitting device; a microphone coupled to the at least one audio port of the transmitter apparatus and operable to generate an audio signal from received sound input of the user, wherein the audio signal generated from received sound input of the user is provided to the audio port of the communication apparatus via the audio port of the transmitter apparatus; and a transmitter housing enclosing the modulation circuitry and the microphone and upon which the at least one infrared light emitting device is mounted, wherein the transmitter housing is of a size smaller than the communication apparatus and configured to be removably coupled onto the communication apparatus. 31. The apparatus of claim 30, wherein the microphone is coupled to the at least one audio port of the transmitter apparatus via an amplification circuit to provide the audio signal with a gain. 32. The apparatus of claim 31, wherein the gain is in the range of 2 to 20. 33. The apparatus of claim 30, wherein the transmitter housing comprises means for removably attaching the transmitter housing to a phone apparatus. 34. The apparatus of claim 33, wherein the transmitter housing is removably coupled onto the communication apparatus by a two faced adhering system. 35. The apparatus of claim 30, wherein the modulation circuitry comprises voice activated power up circuitry. 36. The apparatus of claim 30, wherein the at least one audio port of the transmitter apparatus configured to receive an audio signal representative of received audio input from the communication apparatus comprises an audio port configured for wired connection to the audio port of the communication apparatus. 37. The apparatus of claim 36, wherein the communication apparatus is a phone apparatus having a microphone/speaker audio port, and further wherein the audio port of the transmitter apparatus is configured for wired connection to the microphone/speaker audio port by a cord/plug connector apparatus. 38. The apparatus of claim 30, wherein the size of the transmitter housing comprises a volume less than about 5 cm3. 39. The apparatus of claim 30, wherein the transmitter housing is configured to be removably coupled to a removable battery apparatus. 40. The apparatus of claim 39, wherein the removable battery apparatus is configured to receive at least one of button type batteries and cylindrical alkaline batteries. 41. A portable communication system for use by a user with a communication apparatus having an audio port, the system comprising: a transmitter apparatus, wherein the transmitter apparatus comprises: at least one audio port configured to receive an audio signal representative of received audio input from the communication apparatus via a wired connection with the audio port of the communication apparatus, modulation circuitry operable to convert the audio signal to one or more constant width electrical pulses to drive a transmitter to transmit one or more corresponding constant width pulses, wherein the modulation circuitry comprises: pulse width modulation circuitry to convert the audio signal using a carrier signal to one or more width modulated pulses, wherein the width of the one or more pulses is varied as a function of the audio signal; an edge detect circuit to detect the edges of the one or more width modulated pulses and generating constant width pulses based on the detected edges; and a pulse driver circuit to drive an RF transmitting device; and a transmitter housing enclosing at least the modulation circuitry, wherein the transmitter housing is of a size smaller than the communication apparatus and configured to be removably coupled onto the communication apparatus; and a receiver apparatus operable for communication with the transmitter apparatus, wherein the receiver apparatus comprises: a detection device to detect the one or more corresponding constant width pulses and generate one or more electric signals representative of the detected pulses, a speaker, demodulation circuitry operable to convert the one or more electric signals representative of the detected pulses to an audio signal to power the speaker to produce a sound output, and a receiver housing enclosing at least the speaker and the demodulation circuitry, wherein the receiver housing comprises an opening defined therein configured to receive a removable battery apparatus, and further wherein the receiver housing is formed to be self-supported by the ear of the user. 42. The system of claim 41, wherein the transmitter housing comprises means for removably attaching the transmitter housing to the communication apparatus. 43. The system of claim 41, wherein the receiver housing comprises an in the ear receiver housing securable within the concha of the ear. 44. The system of claim 41, wherein the receiver housing further includes a supporting ear hook extending therefrom. 45. A portable communication system for use by a user with a communication apparatus having an audio port, the system comprising: a transmitter apparatus, wherein the transmitter apparatus comprises: at least one audio port configured to receive an audio signal representative of received audio input from the communication apparatus via a wired connection with the audio port of the communication apparatus, modulation circuitry operable to convert the audio signal to one or more constant width electrical pulses to drive a transmitter to transmit one or more corresponding constant width pulses, and a transmitter housing enclosing at least the modulation circuitry, wherein the transmitter housing is of a size smaller than the communication apparatus and configured to be removably coupled onto the communication apparatus; and a receiver apparatus operable for communication with the transmitter apparatus, wherein the receiver apparatus comprises: a detection device to detect the one or more corresponding constant width pulses and generate one or more electric signals representative of the detected pulses, a speaker, demodulation circuitry operable to convert the one or more electric signals representative of the detected pulses to an audio signal to power the speaker to produce a sound output, wherein the demodulation circuitry comprises: pulse detection circuitry to convert the one or more electrical signals representative of the detected pulses to one or more constant width pulses based thereon; pulse width convertor circuitry to convert the one or more constant width pulses to one or more width modulated pulses; and pulse width modulation circuitry to convert the one or more width modulated pulses to an audio signal for application to the speaker; and a receiver housing enclosing at least the speaker and the demodulation circuitry, wherein the receiver housing comprises an opening defined therein configured to receive a removable battery apparatus, and further wherein the receiver housing is formed to be self-supported by the ear of the user. 46. A portable transmitter apparatus for use by a user with a communication apparatus having an audio port, the apparatus comprising: at least one audio port configured to receive an audio signal representative of received audio input from the communication apparatus; modulation circuitry operable to convert the audio signal to one or more constant width electrical pulses to drive a transmitter to transmit one or more corresponding constant width pulses, wherein the modulation circuitry comprises: pulse width modulation circuitry to convert the audio signal using a carrier signal to one or more width modulated pulses, wherein the width of the one or more pulses is varied as a function of the audio signal; an edge detect circuit to detect the edges of the one or more width modulated pulses and generating constant width pulses based on the detected edges; and a pulse driver circuit to drive an RF transmitting device; a microphone coupled to the at least one audio port of the transmitter apparatus and operable to generate an audio signal from received sound input of the user, wherein the audio signal generated from received sound input of the user is provided to the audio port of the communication apparatus via the audio port of the transmitter apparatus; and a transmitter housing enclosing at least the modulation circuitry and the microphone, wherein the transmitter housing is of a size smaller than the communication apparatus and configured to be removably coupled onto the communication apparatus. 47. The apparatus of claim 46, wherein the microphone is coupled to the at least one audio port of the transmitter apparatus via an amplification circuit to provide the audio signal with a gain. 48. The apparatus of claim 47, wherein the gain is in the range of 2 to 20. 49. The apparatus of claim 46, wherein the transmitter housing comprises means for removably attaching the transmitter housing to a phone apparatus. 50. The apparatus of claim 46, wherein modulation circuitry comprises voice activated power up circuitry. 51. The apparatus of claim 46, wherein the at least one audio port of the transmitter apparatus configured to receive an audio signal representative of received audio input from the communication apparatus comprises an audio port configured for wired connection to the audio port of the communication apparatus. 52. The apparatus of claim 51, wherein the communication apparatus is a phone apparatus having a microphone/speaker audio port, and further wherein the audio port of the transmitter apparatus is configured for wired connection to the microphone/speaker audio port by a cord/plug connector apparatus. 53. The apparatus of claim 46, wherein the size of the transmitter housing comprises a volume less than about 5 cm3. 54. The apparatus of claim 46, wherein the transmitter housing is configured with an opening to receive a removable battery apparatus. 55. A portable receiver apparatus comprising: a detection device to detect one or more pulses and generate one or more electrical signals representative of the detected pulses; a speaker; demodulation circuitry operable to convert the one or more electrical signals representative of the detected pulses to an audio signal to power the speaker to produce a sound output, wherein the demodulation circuitry comprises: pulse detection circuitry to convert the one or more electrical signals representative of the detected pulses to one or more constant width pulses based thereon, pulse width convertor circuitry to convert the one or more constant width pulses to one or more width modulated pulses, and pulse width demodulation circuitry to convert the one or more width modulated pulses to the audio signal for application to the speaker, and a housing enclosing at least the speaker and the demodulation circuitry, wherein the housing is formed to be self-supported by the ear of a user. 56. The apparatus of claim 55, wherein the housing comprises: a body portion extending from a first end to a second end along a body portion axis to enclose at least a portion of the demodulation circuitry; and an ear retaining portion enclosing the speaker, wherein the ear retaining portion extends from the first end of the body portion along an axis of predominate sound direction of the speaker that is orthogonal to the body portion axis, wherein the ear retaining portion comprises a compactable and expandable material for insertion in the concha of the ear. 57. The apparatus of claim 56, wherein the body portion comprises at least one surface that lies a certain distance from the body portion axis in the direction of extension of the ear retention portion, and further wherein the compactable and expandable material of the ear retaining portion is positioned a further distance from the body portion axis than the at least one surface of the body portion. 58. The apparatus of claim 56, wherein the detection device comprises an the infrared light detection device positioned at the second end of the body portion to detect infrared pulses and generate the electrical signals representative of such detected infrared pulses. 59. The apparatus of claim 56, wherein the body portion comprises an opening defined therein configured to receive a removable battery apparatus. 60. The apparatus of claim 59, wherein at least one of the body portion and the removable battery apparatus comprises retaining structure to secure the removable battery apparatus in the opening. 61. The apparatus of claim 56, wherein the removable battery apparatus is configured to receive one or more button type batteries. 62. The apparatus of claim 56, wherein a size of the body portion comprises a volume less than about 13 cm3. 63. A portable receiver apparatus comprising: an ear retaining portion enclosing a speaker, wherein the ear retaining portion terminates with a compactable and expandable material for insertion in the concha of an ear of a user; and a body portion extending from a first end to a second end along a body portion axis, wherein the ear retaining portion extends from the first end of the body portion along an axis of predominate sound direction of the speaker that is orthogonal to the body portion axis, wherein an infrared light detection device is positioned at the second end of the body portion to detect infrared pulses and generate one or more electrical signals representative of such detected infrared pulses, and further wherein the body portion encloses at least demodulation circuitry operable to convert the one or more electrical signals representative of the detected infrared pulses to an audio signal to power the speaker to produce a sound output, wherein the demodulation circuitry comprises: pulse detection circuitry to convert the one or more electrical signals representative of the detected infrared pulses to one or more constant width pulses based thereon, pulse width convertor circuitry to convert the one or more constant width pulses to one or more width modulated pulses, and pulse width demodulation circuitry to convert the one or more width modulated pulses to an audio signal for application to the speaker. 64. The apparatus of claim 63, wherein the body portion comprises at least one surface that lies a certain distance from the body portion axis in the direction of extension of the ear retention portion, and further wherein the compactable and expandable material of the ear retaining portion is positioned a further distance from the body portion axis than the at least one surface of the body portion. 65. The apparatus of claim 63, wherein the body portion comprises an opening defined therein configured to receive a removable battery apparatus. 66. The apparatus of claim 65, wherein at least one of the body portion and the removable battery apparatus comprises retaining structure to secure the battery apparatus in the opening. 67. The apparatus of claim 65, wherein the removable battery apparatus is configured to receive one or more button type batteries. 68. The apparatus of claim 63, wherein the size of the body portion comprises a volume less than about 13 cm3.