KR930009630B1 - 콘트롤 메모리 분리 구성에 의한 대용량 시분할 스위치 회로 - Google Patents
콘트롤 메모리 분리 구성에 의한 대용량 시분할 스위치 회로 Download PDFInfo
- Publication number
- KR930009630B1 KR930009630B1 KR1019910000965A KR910000965A KR930009630B1 KR 930009630 B1 KR930009630 B1 KR 930009630B1 KR 1019910000965 A KR1019910000965 A KR 1019910000965A KR 910000965 A KR910000965 A KR 910000965A KR 930009630 B1 KR930009630 B1 KR 930009630B1
- Authority
- KR
- South Korea
- Prior art keywords
- control memory
- switch
- data
- circuit
- control
- 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.)
- Expired - Fee Related
Links
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/08—Microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
- H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/006—Interconnection of transducer parts
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/025—Diaphragms comprising polymeric materials
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/027—Diaphragms comprising metallic materials
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/029—Diaphragms comprising fibres
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Photovoltaic Devices (AREA)
- Holo Graphy (AREA)
- Secondary Cells (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Pressure Sensors (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Abstract
Description
Claims (4)
- 전화 가입자를 수용하는 가입자 수용장치와, 다른 교환기와의 정합을 위한 트렁트 및, 소정의 서비스를 제공하기 위한 서비스 장치를 갖춤과 더불어, 상기 각 장치를 시분할 스위치를 통해 각종 신호 공급을 위한 신호장치와 공간분할 스위치에 연결하도록 된 전전자 교환기에 있어서, 상기 시분할 스위치는 음성처리 메모리와 콘트롤 메로리를 함께 갖춤과 더불어 1024 채널의 송수신 타임슬롯이 단위로 교환처리를 실행할 수 있도록 된 다수의 회로팩(a-d)과, 이 회로팩(a-d)과 상기 공간분할 스위치 및 신호 장치와의 데이터 전달을 실행하는 래치수단(e)을 포함하여 구성되고, 상기 시분할 스위치로 콘트롤 데이터를 송출하여 송수신 타임슬롯 교환시의 타임슬롯 변경을 제어하는 스위치 프로세서 포함하여 구성된 것을 특징으로 하는 콘트롤 메모리 분리 구성에 의한 대용량 시분할 스위치 회로.
- 제 1 항에 있어서, 상기 각 회로팩(a-d)은 가입자 수용장치와 송수신 되는 2.04Mbps의 음성 데이터 채널의 교환을 위해 8.192Mbps의 병렬 데이터로 멀티플렉싱 기능을 수행하는 멀티플렉서부(1)와, 이 멀티플렉서부(1)와 반대기능을 수행하는 디멀티플렉서부(2), 상기 멀티플렉서부(1)와 디멀티플렉서부(2)에 의해 멀티플렉싱된 음성 데이터 및 디멀티플렉싱된 음성데이터를 일시 저장하여 타임슬롯 교환기능을 실행하는 음성처리 메모리부(3) (4), 상기 스위치 프로세서와 콘트롤 데이터를 송수신하여 타임슬롯 교환시 입출력 타임슬롯 변경 위치를 지정하여 주는 타임슬롯 콘트롤 메로리부(5) (6) 및, 상기 스위치 프로세서와의 콘트롤 데이터 송수신을 위한 프로세서 인터페이스부(7)를 포함하여 구성된 것을 특징으로 하는 콘트롤 메모리 분리 구성에 의한 대용량 시분할 스위치 회로.
- 제 2 항에 있어서, 상기 콘트롤 메모리부(5,6)는 상기 스위치 프로세서로부터 출력되는 소정의 데이터 및 어드레스에 의해 작동이 제어되고, 상기 음성처리 메모리부(3,4,)는 상기 콘트롤 메모리부(5,6,)로부터 순차적으로 출력되는 데이터를 출력 어드레스로서 사용하는 것을 특징으로 하는 콘트롤 메모리 분리 구성에 의한 대용량 시분할 스위치 회로.
- 제 1 항에 있어서, 상기 시분할 스위치를 구성하는 각 회로팩(a-d)은 소정의 타임 슬롯 대해 패턴을 발생시켜 시험하고자 하는 통화로로 입력시킨 다음, 복귀되어온 패턴을 입력시킨 패턴과 비교하여 통화로의 이상 유무를 판단하는 모니터 수단을 추가로 구비하여 구성된 것을 특징으로 하는 콘트롤 메모리 분리 구성에 의한 대용량 시분할 스위치 회로.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/466,599 US5033093A (en) | 1990-01-17 | 1990-01-17 | Compact microphone and method of manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920015948A KR920015948A (ko) | 1992-08-27 |
KR930009630B1 true KR930009630B1 (ko) | 1993-10-07 |
Family
ID=23852381
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900006749A Expired - Fee Related KR930009631B1 (ko) | 1980-01-17 | 1990-05-11 | 마이크로폰 구조물 및 그 제조방법 |
KR1019910000965A Expired - Fee Related KR930009630B1 (ko) | 1990-01-17 | 1991-01-21 | 콘트롤 메모리 분리 구성에 의한 대용량 시분할 스위치 회로 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900006749A Expired - Fee Related KR930009631B1 (ko) | 1980-01-17 | 1990-05-11 | 마이크로폰 구조물 및 그 제조방법 |
Country Status (11)
Country | Link |
---|---|
US (1) | US5033093A (ko) |
EP (1) | EP0446515B1 (ko) |
JP (1) | JPH0738760B2 (ko) |
KR (2) | KR930009631B1 (ko) |
AT (1) | ATE109935T1 (ko) |
AU (1) | AU5592490A (ko) |
BR (1) | BR9002691A (ko) |
CA (1) | CA2011690C (ko) |
DE (1) | DE69011502T2 (ko) |
IE (1) | IE64602B1 (ko) |
PT (1) | PT94141A (ko) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4234069A1 (de) * | 1992-10-09 | 1994-04-14 | Nokia Deutschland Gmbh | Konuslautsprecher in Leichtbauweise |
AT403751B (de) | 1996-06-19 | 1998-05-25 | Akg Akustische Kino Geraete | Verfahren zur herstellung einer membran für einen elektroakustischen wandler |
JP2001346291A (ja) * | 2000-06-05 | 2001-12-14 | Sony Corp | スピーカー装置 |
US6496590B2 (en) | 2000-12-08 | 2002-12-17 | Jl Audio, Inc. | Loudspeaker with improved diaphragm |
US20040091678A1 (en) * | 2002-11-12 | 2004-05-13 | Jordan James Lowell | Universal cover |
USD518028S1 (en) * | 2004-05-07 | 2006-03-28 | Gp Acoustic (U.K.) Ltd. | Loudspeaker |
JP2006013666A (ja) * | 2004-06-23 | 2006-01-12 | Matsushita Electric Ind Co Ltd | 電気音響変換器およびこれを用いた電子機器 |
DE102005040293B3 (de) * | 2005-08-21 | 2006-09-21 | Hahn-Meitner-Institut Berlin Gmbh | Schallsensor nach dem Tauchspulprinzip und Verfahren zur Herstellung |
US20080053745A1 (en) * | 2006-08-30 | 2008-03-06 | Takumu Tada | Electroacoustic transducer and diaphragm |
USD567228S1 (en) * | 2007-02-21 | 2008-04-22 | J&M Corporation | Speaker grill |
KR101529353B1 (ko) * | 2007-10-09 | 2015-06-16 | 닛토덴코 가부시키가이샤 | 방수 통음막을 사용한 통음 부재 및 그의 제조 방법 |
USD601133S1 (en) * | 2008-03-07 | 2009-09-29 | Kabushiki Kaisha Audio-Technica | Headphone |
CN102118671B (zh) * | 2009-12-30 | 2015-08-12 | 富准精密工业(深圳)有限公司 | 音膜 |
JP5879187B2 (ja) * | 2012-04-25 | 2016-03-08 | 株式会社オーディオテクニカ | スピーカ用振動板およびヘッドホン |
CN204425608U (zh) * | 2015-02-02 | 2015-06-24 | 瑞声光电科技(常州)有限公司 | 扬声器箱 |
CN109451403B (zh) * | 2018-09-18 | 2020-05-26 | 海菲曼(天津)科技有限公司 | 一种微型平板扬声器换能器振膜结构及具有该换能器振膜的扬声器 |
US11758332B1 (en) * | 2022-04-15 | 2023-09-12 | United States Of America As Represented By The Secretary Of The Navy | Biodegradable microphone |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1487013A (en) * | 1921-11-12 | 1924-03-18 | Cliftophone Ltd | Diaphragm for sound-recording and sound-reproducing instruments |
US3041418A (en) * | 1960-01-14 | 1962-06-26 | Rca Corp | Transducers |
US3313018A (en) * | 1962-07-06 | 1967-04-11 | Tibbetts Industries | Method of making diaphragm means for acoustic translating devices |
US3513270A (en) * | 1965-05-08 | 1970-05-19 | Sennheiser Electronic | Microphone diaphragm including spacer means between diaphragm and voice coil |
US3586794A (en) * | 1967-11-04 | 1971-06-22 | Sennheiser Electronic | Earphone having sound detour path |
JPS5229724A (en) * | 1975-09-02 | 1977-03-05 | Matsushita Electric Ind Co Ltd | Speaker dome diaphragm |
US3989905A (en) * | 1975-12-15 | 1976-11-02 | Shure Brothers Inc. | Microphone |
JPS5345227A (en) * | 1976-10-05 | 1978-04-22 | Matsushita Electric Ind Co Ltd | Vibrating plate for spaker |
US4532383A (en) * | 1980-01-04 | 1985-07-30 | Willy Erazm A | Electroacoustic transducer having a variable thickness diaphragm |
FR2473242A1 (fr) * | 1980-01-08 | 1981-07-10 | Thomson Csf | Transducteur electroacoustique a dome actif |
JPS572579A (en) * | 1980-06-05 | 1982-01-07 | Sanyo Electric Co Ltd | Manufacture of junction type field effect transistor |
CA1165248A (en) * | 1980-10-31 | 1984-04-10 | Shingo Watanabe | Electro-acoustic transducer |
FR2511570A1 (fr) * | 1981-08-11 | 1983-02-18 | Thomson Csf | Transducteur electroacoustique a polymere piezoelectrique |
JPS61278296A (ja) * | 1985-06-04 | 1986-12-09 | Matsushita Electric Ind Co Ltd | 指向性ダイナミツクマイクロホンユニツト |
US4761817A (en) * | 1986-01-27 | 1988-08-02 | Harman International Industries, Incorporated | Diaphragm structure for a transducer |
US4817165A (en) * | 1987-01-27 | 1989-03-28 | Amalaha Leonard D | Acoustic speaker device with a diaphragm having a spider web type core |
JPH0164294U (ko) * | 1987-10-19 | 1989-04-25 | ||
GB2214724A (en) * | 1988-01-28 | 1989-09-06 | Custom Dev Ltd | Permanent magnet electric motor |
-
1990
- 1990-01-17 US US07/466,599 patent/US5033093A/en not_active Expired - Fee Related
- 1990-03-07 CA CA002011690A patent/CA2011690C/en not_active Expired - Fee Related
- 1990-04-27 JP JP2114955A patent/JPH0738760B2/ja not_active Expired - Lifetime
- 1990-04-27 IE IE155390A patent/IE64602B1/en not_active IP Right Cessation
- 1990-05-03 AT AT90304814T patent/ATE109935T1/de not_active IP Right Cessation
- 1990-05-03 DE DE69011502T patent/DE69011502T2/de not_active Expired - Fee Related
- 1990-05-03 EP EP90304814A patent/EP0446515B1/en not_active Expired - Lifetime
- 1990-05-11 KR KR1019900006749A patent/KR930009631B1/ko not_active Expired - Fee Related
- 1990-05-24 PT PT94141A patent/PT94141A/pt not_active Application Discontinuation
- 1990-05-28 AU AU55924/90A patent/AU5592490A/en not_active Abandoned
- 1990-06-07 BR BR909002691A patent/BR9002691A/pt unknown
-
1991
- 1991-01-21 KR KR1019910000965A patent/KR930009630B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0446515A2 (en) | 1991-09-18 |
KR920015948A (ko) | 1992-08-27 |
CA2011690C (en) | 1993-04-27 |
IE901553A1 (en) | 1991-07-17 |
US5033093A (en) | 1991-07-16 |
DE69011502T2 (de) | 1995-03-16 |
DE69011502D1 (de) | 1994-09-15 |
JPH0738760B2 (ja) | 1995-04-26 |
KR930009631B1 (ko) | 1993-10-07 |
JPH03218200A (ja) | 1991-09-25 |
EP0446515A3 (en) | 1992-08-26 |
CA2011690A1 (en) | 1993-04-27 |
KR910015189A (ko) | 1991-08-31 |
PT94141A (pt) | 1992-02-28 |
ATE109935T1 (de) | 1994-08-15 |
IE64602B1 (en) | 1995-08-23 |
BR9002691A (pt) | 1991-08-20 |
AU5592490A (en) | 1991-07-18 |
EP0446515B1 (en) | 1994-08-10 |
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