IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0752806
(2000-12-28)
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발명자
/ 주소 |
- Julstrom, Stephen D.
- Carlson, Elmer V.
- Matzen, Norman P.
- Schulein, Robert B.
- Soede, Willem
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출원인 / 주소 |
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대리인 / 주소 |
McAndrews, Held & Malloy, Ltd.
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인용정보 |
피인용 횟수 :
86 인용 특허 :
7 |
초록
▼
A hearing aid system for selecting one of two audio sources is disclosed. The hearing aid system comprises hearing aid circuitry, such as, for example, a hearing aid amplifier and speaker, as well as a primary source for audio, such as, for example, a hearing aid microphone. The hearing aid system a
A hearing aid system for selecting one of two audio sources is disclosed. The hearing aid system comprises hearing aid circuitry, such as, for example, a hearing aid amplifier and speaker, as well as a primary source for audio, such as, for example, a hearing aid microphone. The hearing aid system also comprises a secondary source for audio, such as, for example, a directional microphone worn or otherwise supported by a person speaking or by the hearing aid user, as well as detection and switch circuitry to select which of the primary and secondary audio sources should be directed to the hearing aid circuitry. In operation, the detection and switch circuitry receives a signal transmission (preferably wireless) from the secondary audio source and determines whether the signal received is desirable. If the signal transmission is desirable, the circuitry selects that signal for coupling with the hearing aid circuitry. If the transmission signal is not desirable, the circuitry selects the signals from the primary audio source for coupling with the hearing aid circuitry.
대표청구항
▼
A hearing aid system for selecting one of two audio sources is disclosed. The hearing aid system comprises hearing aid circuitry, such as, for example, a hearing aid amplifier and speaker, as well as a primary source for audio, such as, for example, a hearing aid microphone. The hearing aid system a
A hearing aid system for selecting one of two audio sources is disclosed. The hearing aid system comprises hearing aid circuitry, such as, for example, a hearing aid amplifier and speaker, as well as a primary source for audio, such as, for example, a hearing aid microphone. The hearing aid system also comprises a secondary source for audio, such as, for example, a directional microphone worn or otherwise supported by a person speaking or by the hearing aid user, as well as detection and switch circuitry to select which of the primary and secondary audio sources should be directed to the hearing aid circuitry. In operation, the detection and switch circuitry receives a signal transmission (preferably wireless) from the secondary audio source and determines whether the signal received is desirable. If the signal transmission is desirable, the circuitry selects that signal for coupling with the hearing aid circuitry. If the transmission signal is not desirable, the circuitry selects the signals from the primary audio source for coupling with the hearing aid circuitry. trically isolated from said substrate layer, having deposited thereon: at least one conductive layer; and a phosphor layer associated with each of said at least one conductive layer, wherein said phosphor layer is oppositely opposed to a corresponding one of said at least one reflector layer; at least one non-conductive spacer selectively positioned between said substrate layer and said transparent layer to maintain a substantially desired distance between said substrate layer and said transparent layer; and a seal between said substrate layer and said transparent layer operative to sustain a vacuum therebetween. 24. The FED as recited in claim 23, wherein said pixel element emitter layers are electrically connected in said rows and said reflector layers are electrically connected in said columns. 25. The FED as recited in claim 23, wherein said pixel element emitter layers are electrically connected in said columns and said reflector layers are electrically connected said rows. 26. The FED as recited in claim 23, further comprising: means for applying a first potential to each of said at least one reflector layer; means for applying a second potential, determined in relation to said distance, to each of said at least one conductive layer; means for applying a third potential to each of said emitter layers, wherein a potential difference between said first potential and said third potential is operable to attract electrons emitted by an associated emitter layer. 27. The FED as recited in claim 26, wherein said potential difference is a range of 10-200 volts. 28. The FED as recited in claim 26, wherein said first potential is in a range of 0-100 volts greater than a threshold potential. 29. The FED as recited in claim 28, wherein said threshold potential is determined based on said emitter layer material. 30. The FED as recited in claim 26, wherein said first potential comprises a constant potential and a potential applied as pulse. 31. The FED as recited in claim 26, wherein said second potential is in a range of 1000-9000 volts. 32. The FED as recited in claim 23, wherein said conductive layer is partitioned into a plurality of electrically isolated stripes. 33. The FED as recited in claim 23, wherein said phosphor layer is a high-voltage phosphor. 34. The FED as recited in claim 23, wherein said phosphor layer has a minimum amount of sulfur content. 35. The FED as recited in claim 23, wherein said at least one reflector layer is selected from a group comprising gold, silver, aluminum, copper, chromium, niobium, vanadium, molybdenum. 36. The FED as recited in claim 23, wherein said at least one reflector layer is niobium. 37. The FED as recited in claim 23, wherein said emitter layer is selected from a group comprising gold, silver, aluminum, copper, chromium, niobium, vanadium, molybdenum. 38. The FED as recited in claim 23, wherein said emitter layer is molybdenum. 39. The FED as recited in claim 23, wherein said pixel element further comprises: a second conductive layer imposed between said emitter layer and said substrate, said secon
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