EP1283657A1 - Kommunikationsvorrichtung mit einem eingebetten frequenz-selektiven Element - Google Patents

Kommunikationsvorrichtung mit einem eingebetten frequenz-selektiven Element Download PDF

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Publication number
EP1283657A1
EP1283657A1 EP01610083A EP01610083A EP1283657A1 EP 1283657 A1 EP1283657 A1 EP 1283657A1 EP 01610083 A EP01610083 A EP 01610083A EP 01610083 A EP01610083 A EP 01610083A EP 1283657 A1 EP1283657 A1 EP 1283657A1
Authority
EP
European Patent Office
Prior art keywords
communication device
frequency selective
circuit
radio
integrated circuit
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.)
Withdrawn
Application number
EP01610083A
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English (en)
French (fr)
Inventor
Gene M. Strohallen
Frank Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phonic Ear Inc
Original Assignee
Phonic Ear Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Phonic Ear Inc filed Critical Phonic Ear Inc
Priority to EP01610083A priority Critical patent/EP1283657A1/de
Publication of EP1283657A1 publication Critical patent/EP1283657A1/de
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/558—Remote control, e.g. of amplification, frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing

Definitions

  • the invention relates to the area of personal communication devices incorporating an oscillation circuit, e.g. a part of radio receiver and/or a radio transmitter. More specifically the invention relates to communication devices to be worn on or in the ear and even inside the head and intended for use in personal communication. Such devices will generally be designated head-worn communication devices. These inherently requires relatively small size devices as well as low power consumption.
  • Hearing aids are becoming more sophisticated and smaller. In-The-Ear and In-The-Canal type hearing aids are now possible due to changes in technology that permit miniaturization.
  • a headset e.g. for telecommunication use, and further implantable hearing devices, such as middle ear implants and cochlea implants may be mentioned.
  • Radio technology has lagged due to complexities in the RF circuits, power consumption and size.
  • radio's can operate over a range of 30 meters consuming less than 1 mA of current from a 1 V battery source, such as Zinc Air.
  • the size and power requirements of the radio make it possible to operate with larger Behind-The-Ear type hearing aids but are too large and consume too much power for In-The-Ear type hearing aids as well as smaller BTE hearing aids.
  • the objective of the present invention is to provide a communication device and an integrated circuit for such communication device that enables miniaturization of RF receiver and/or transmitters so as to enable the production of even smaller communication devices with RF receivers and/or transmitters built in, hence animating the users to a more intensive use of such devices.
  • the first objective is achieved by means of a communication device as defined in claim 1.
  • the present invention relates to a head worn communication device incorporating an oscillation circuit, e.g. a radio frequency receiver and also to radio frequency receiver communication systems including such a receiver.
  • an oscillation circuit e.g. a radio frequency receiver
  • radio frequency receiver consists of traditional electronic RF circuits integrated with MEMS based circuits to form a very low power, very small package density radio that can be integrated into a hearing aid circuit or built-into an in-the-ear hearing aid and provide reception of a radio transmission over a range of 30 meters and at different and selectable radio channels.
  • the crystal normally used is a relatively bulky external component that need to be connected to the circuitry.
  • the frequency selective element is embedded with a signalprocessing chip of a hearing aid or a headset.
  • embedded should be understood as comprising the situation where the frequency selective element is a separate element incorporated into a packaging incorporating other integrated circuits as well as the situation where the frequency selective element forms a part of the integrated circuit that performs the signal processing.
  • Other necessary parts may in the same manner be embedded with or in the same package as the frequency selective element.
  • MEMS Micro-Electro-Mechanical Systems
  • This invention describes a MEMS based wireless radio receiver comprised of traditional electronic radio circuits integrated with MEMS technology resulting in a device that occupies very little area and consumes very little battery power but provides wireless reception for voice and/or data communications.
  • the RF radio receiver consists of traditional radio circuits such as Low Noise Amplifiers, Mixers and Demodulators. Many of these circuits can, however, be replaced with MEMS based technology to create a radio with equivalent performance but consuming lower battery power and higher density.
  • This invention relates to radios consisting of one and/or several circuits using MEMS technology.
  • One of the most space consuming components is the oscillation circuitry, which normally comprises a crystal or a coil as the preferred frequency selective component. These components are relatively large, especially in the applications, which are the subject of this application.
  • the traditional crystal oscillator is replaced by a embedded resonator based on MEMS technology or the frequency selective element may form part of a filtering circuit.
  • FIG. 1 a first embodiment of the invention appears implemented in a hearing aid. It appears that the in a preferred embodiment the solution containing the hearing aid processing and amplifying circuitry and the RF receiver are formed in a single die.
  • the hearing aid part comprises an input transducer, a preprocessing part, an amplifier and an output transducer.
  • the elements are given their designations in the drawing. In this the elements forming the radio receiver depicted comprises generally the same elements as indicated in connection with FIG. 4, where the elements are formed as an integrated part of the hearing aid die indicated by the dotted line.
  • the radio receiver depicted comprises a power system and a MEMS oscillator.
  • the relevant components appear from the blocks in the drawing.
  • FIG. 3 a second embodiment of the invention appears.
  • the relevant blocks are indicated in the drawing by the normal designations.
  • FIG. 4 shows a RF receiver incorporating a RF Filter, a LNA, an Image Rejection Filter, a 1 st IF Filter, a 2 nd IF Filter, a 1 st LO Resonator, a 2 nd LO Resonator:, mixers, a Resonator, and a quadrature detector.
  • a RF Filter a LNA
  • an Image Rejection Filter a 1 st IF Filter
  • a 2 nd IF Filter a 1 st LO Resonator
  • 2 nd LO Resonator mixers
  • mixers a Resonator, and a quadrature detector
EP01610083A 2001-08-07 2001-08-07 Kommunikationsvorrichtung mit einem eingebetten frequenz-selektiven Element Withdrawn EP1283657A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01610083A EP1283657A1 (de) 2001-08-07 2001-08-07 Kommunikationsvorrichtung mit einem eingebetten frequenz-selektiven Element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01610083A EP1283657A1 (de) 2001-08-07 2001-08-07 Kommunikationsvorrichtung mit einem eingebetten frequenz-selektiven Element

Publications (1)

Publication Number Publication Date
EP1283657A1 true EP1283657A1 (de) 2003-02-12

Family

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Family Applications (1)

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EP01610083A Withdrawn EP1283657A1 (de) 2001-08-07 2001-08-07 Kommunikationsvorrichtung mit einem eingebetten frequenz-selektiven Element

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2302956A3 (de) * 2009-09-29 2012-05-16 Starkey Laboratories, Inc. Funk mit MEMS-Vorrichtungen für Hörhilfegeräten
US9986347B2 (en) 2009-09-29 2018-05-29 Starkey Laboratories, Inc. Radio frequency MEMS devices for improved wireless performance for hearing assistance devices

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4491980A (en) * 1982-07-26 1985-01-01 Minolta Camera Kabushiki Kaisha Hearing aid coupled with a radio
US4689820A (en) * 1982-02-17 1987-08-25 Robert Bosch Gmbh Hearing aid responsive to signals inside and outside of the audio frequency range
US6150901A (en) * 1998-11-20 2000-11-21 Rockwell Collins, Inc. Programmable RF/IF bandpass filter utilizing MEM devices
US20010007050A1 (en) * 1991-01-17 2001-07-05 Adelman Roger A. Hearing apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689820A (en) * 1982-02-17 1987-08-25 Robert Bosch Gmbh Hearing aid responsive to signals inside and outside of the audio frequency range
US4491980A (en) * 1982-07-26 1985-01-01 Minolta Camera Kabushiki Kaisha Hearing aid coupled with a radio
US20010007050A1 (en) * 1991-01-17 2001-07-05 Adelman Roger A. Hearing apparatus
US6150901A (en) * 1998-11-20 2000-11-21 Rockwell Collins, Inc. Programmable RF/IF bandpass filter utilizing MEM devices

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NGUYEN C.T.-C.: "Frequency-Selective MEMS for Miniaturized Low-Power Communication Devices", IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, vol. 47, no. 8, August 1999 (1999-08-01), IEEE SERVICE CENTER, PISCATAWAY, NJ, US, pages 1486 - 1503 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2302956A3 (de) * 2009-09-29 2012-05-16 Starkey Laboratories, Inc. Funk mit MEMS-Vorrichtungen für Hörhilfegeräten
US9986347B2 (en) 2009-09-29 2018-05-29 Starkey Laboratories, Inc. Radio frequency MEMS devices for improved wireless performance for hearing assistance devices
US10405110B2 (en) 2009-09-29 2019-09-03 Starkey Laboratories, Inc. Radio frequency MEMS devices for improved wireless performance for hearing assistance devices
US11490212B2 (en) 2009-09-29 2022-11-01 Starkey Laboratories, Inc. Radio frequency MEMS devices for improved wireless performance for hearing assistance devices

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