公开(公告)号：DE602005016092D1

公开(公告)日：2009-10-01

申请号：DE602005016092

申请日：2005-03-25

Applicant: TOA CORP

Inventor： YOSHIKAWA SUSUMU ,  OKAZAKI NARUTOSHI

IPC: H04B10/114 ,  H04L12/44 ,  H04L12/66 ,  H05K9/00

公开(公告)号：EP1732248A4

公开(公告)日：2008-01-02

申请号：EP05721473

申请日：2005-03-25

Applicant: TOA CORP

Inventor： YOSHIKAWA SUSUMU ,  OKAZAKI NARUTOSHI

IPC: H04B10/114 ,  H04L12/44 ,  H04L12/66 ,  H05K9/00

CPC classification number: H04L12/66 ,  H04B10/1149

Abstract: [PROBLEMS] To downsize a photodetector-mounted apparatus. [MEANS OF SOLVING THE PROBLEMS] A photodiode (6) that generates an electric signal according to light reception onto a light receiving surface (6a) is attached to a small printed board (10). An electromagnetic shield cover (14) formed separately from the photodiode (6) is disposed in front of it, and is mounted on the small printed board (10). The electromagnetic shield cover (14) is provided integrally with a substrate fixing portion (14d) fixed to a substrate (2), and forms a specified angle with respect to the substrate fixing portion (14d). In addition, the substrate fixing portion (14d) is mounted to the substrate (2) while kept in contact with the substrate (2).

公开(公告)号：JP2006148548A

公开(公告)日：2006-06-08

申请号：JP2004335994

申请日：2004-11-19

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： YOSHIKAWA SUSUMU

IPC: H04R3/02

Abstract: PROBLEM TO BE SOLVED: To provide a broadcasting apparatus capable of easily and surely preventing the occurrence of howling. SOLUTION: This infrared conference system 10 is provided with a center device 12 as a main device, a plurality of optical transmitting and receiving devices as a repeater 14, 14, ..., and a plurality of terminal devices 16, 16, ..., respectively provided with a microphone 16a and a monitoring speaker 16b. In a test mode, the center device 12 makes one terminal device 16 to generate test sound and detects the levels of pickup the sound in the other terminal devices 16, 16, ..., at that point. The center device determines a combination of terminal devices 16, 16, ..., which have a relationship in which they easily generate howling from this detection results and stores the determination results in a volume adjustment table. In an actual operating mode (operational mode), the center device 12 controls the volume of monitored sound of the respective terminal devices 16, 16, ..., on the basis of the volume adjustment table. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供能够容易且可靠地防止啸声发生的广播装置。 解决方案：该红外会议系统10设置有作为主设备的中心设备12，作为中继器14,14，...的多个光发送和接收设备以及多个终端设备16,16 ，...分别设置有麦克风16a和监视扬声器16b。 在测试模式中，中心设备12使一个终端设备16产生测试声音，并检测在该点处其他终端设备16,16，...中的声音的拾取水平。 中心装置确定终端装置16,16，...的组合，它们具有这些关系，从而可以从该检测结果容易地产生啸叫，并将确定结果存储在音量调节表中。 在实际操作模式（操作模式）中，中心装置12基于音量调节表来控制各个终端装置16,16，...的监视声音的音量。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2006148547A

公开(公告)日：2006-06-08

申请号：JP2004335993

申请日：2004-11-19

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： YOSHIKAWA SUSUMU

IPC: H04M9/00 ,  H04B10/07 ,  H04B10/11 ,  H04B10/114 ,  H04B10/80

Abstract: PROBLEM TO BE SOLVED: To provide a communication device capable of realizing smooth communication without executing special operation such as button operation. SOLUTION: The infrared conference system 10 is provided with a center device 12, a plurality of light transmission/reception devices 14, 14, etc, and a plurality of terminal devices 16, 16, etc. Participants can simultaneously speak by four terminal devices 16, 16, etc at a maximum. Namely, four voice channels are prepared. Here, when voice is inputted to a microphone 16a of one terminal device 16 in the terminal devices, a speech request is made to the center device 12 via the proper light transmission/reception device 14 from the terminal device 16. The center device 12 confirms the presence or the absence of available channels after receiving the request. When the available channels exist, one of the available channels is assigned to the terminal device 16 of the speech request by the person in question. By this, the participant can actually speak with the terminal device 16. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供能够实现平滑通信而不执行诸如按钮操作的特殊操作的通信设备。

解决方案：红外会议系统10设置有中央设备12，多个光发送/接收设备14,14等，以及多个终端设备16,16等。参与者可以同时通过四个 终端设备16,16等。 即，准备了四个语音信道。 这里，当终端设备中的一个终端设备16的麦克风16a输入语音时，通过适当的光发送/接收设备14从终端设备16向中心设备12发出语音请求。中心设备12确认 在收到请求后出现或不存在可用频道。 当可用信道存在时，可用信道中的一个被所述人员分配给语音请求的终端设备16。 由此，参与者实际上可以与终端设备16通话。版权所有：（C）2006，JPO＆NCIPI

公开(公告)号：JP2006093828A

公开(公告)日：2006-04-06

申请号：JP2004273490

申请日：2004-09-21

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： YOSHIKAWA SUSUMU

IPC: H04B10/11 ,  H04B10/07 ,  H04B10/114 ,  H04L29/00

Abstract: PROBLEM TO BE SOLVED: To reduce power consumption while maintaining a predetermined communication available range. SOLUTION: This terminal device 18, a portable type used for an infrared conference system, performs bidirectional infrared communication with a plurality of light transmitting/receiving devices attached on the ceiling or the like. For this purpose, this terminal device 18 is provided with a plurality of light-receiving circuits 100 each having a photodiode 50 and light-transmitting circuits 200 each having a light-emitting diode 70. A control unit 300 controls the switch circuit 204 of a corresponding light-transmitting circuit 200 on the basis of a light-receiving level Vr acquired from each of the light-receiving circuits 100. Specifically, only the switch circuit 204 of the corresponding light-transmitting circuit 200 required for performing communication with the light-transmitting/receiving device is turned on, and all the others are turned off. In this way, the communication with the light-transmitting/receiving device is guaranteed, and the power consumption by the plurality of light-emitting diodes 70 not required for the communication can be suppressed. COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：为了在保持预定通信可用范围的同时降低功耗。 解决方案：该终端装置18是用于红外会议系统的便携式装置，与安装在天花板等上的多个发光/接收装置进行双向红外通信。 为此，该终端装置18设置有多个光接收电路100，每个光接收电路100具有光电二极管50和各自具有发光二极管70的发光电路200.控制单元300控制开关电路204 基于从每个光接收电路100获取的光接收电平Vr，对应的发光电路200.具体地，只有与发光电路200进行通信所需的相应的发光电路200的开关电路204， 发送/接收设备打开，所有其他设备都关闭。 以这种方式，保证了与发光/接收装置的通信，并且可以抑制通信所不需要的多个发光二极管70的功耗。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2005333493A

公开(公告)日：2005-12-02

申请号：JP2004150894

申请日：2004-05-20

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： YOSHIKAWA SUSUMU ,  OKAZAKI SHIGETOSHI

IPC: H04B10/11 ,  H04B10/112 ,  H04B10/2507 ,  H04B10/02 ,  H04B10/10 ,  H04B10/105 ,  H04B10/18 ,  H04B10/22

Abstract: PROBLEM TO BE SOLVED: To provide an infrared receiver capable of avoiding the effect of a noise source, e.g. sunlight, a plasma display or the like.
SOLUTION: A light transmitting and receiving device 14 for transmitting and receiving infrared rays to and from a terminal comprises a photodiode 42 as a photoelectric conversion means. Furthermore, light shielding plates 50 and 50 are provided as light shielding means for shading noise light, e.g. sunlight, propagating from an area other than the light receiving area of the photodiode 42 from the light receiving surface 44 thereof.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供能够避免噪声源的影响的红外接收器，例如， 阳光，等离子体显示器等。 解决方案：用于向终端发射和接收红外线的光发射和接收装置14包括作为光电转换装置的光电二极管42。 此外，遮光板50和50被设置为用于遮蔽噪声光的遮光装置，例如遮光板50和50。 太阳光，从光电二极管42的光接收区域以外的区域从光接收表面44传播。 版权所有（C）2006，JPO＆NCIPI

公开(公告)号：JP2005327894A

公开(公告)日：2005-11-24

申请号：JP2004144568

申请日：2004-05-14

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： YOSHIKAWA SUSUMU ,  OKAZAKI SHIGETOSHI

IPC: H01L31/02 ,  H01L33/48 ,  H01L33/00

Abstract: PROBLEM TO BE SOLVED: To obtain a light emitting or receiving device in which at least one of the angle of elevation or azimuth can be set automatically at a predetermined angle when a light emitting or receiving element is fixed to a substrate.
SOLUTION: A light receiving element 4 having a plurality of leads 8 and 10 extending from the rear surface 4b substantially perpendicularly thereto is fixed to a substrate 2. The lead 8 is inserted into a socket 12 and forward end part of the socket 12 touches the substrate 2 under such a state as the optical axis 6 of the light receiving element 4 makes a predetermined angle against the substrate 2 and a corner of the rear surface 4b is touching the substrate 2.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 解决的问题：为了获得发光或接收装置，其中当发光或接收元件固定到基板上时，能够以预定角度自动设置仰角或方位角中的至少一个。 解决方案：具有从后表面4b基本上垂直于其延伸的多个引线8和10的光接收元件4固定到基板2.引线8插入插座12和插座的前端部分 在光接收元件4的光轴6相对于基板2形成预定角度并且后表面4b的角部接触基板2的状态下，接触基板2。（C） 2006年，JPO＆NCIPI

公开(公告)号：JP2003296854A

公开(公告)日：2003-10-17

申请号：JP2002104097

申请日：2002-04-05

Applicant: Toa Corp ,  ティーオーエー株式会社

Inventor： YOSHIKAWA SUSUMU

IPC: G08B23/00 ,  G08B25/08 ,  H04M1/00

Abstract: PROBLEM TO BE SOLVED: To provide an alarm device for eliminating received alarm sound and clearly transmitting the voice of a reporting person.
SOLUTION: This reporting device 1 with an alarm sound canceling function for clearly transmitting the voice of the reporting person to a reporting destination comprises an alarm sound generation part 13 for generating alarm sound, a microphone 11 for receiving the voice, a signal processing part 12 connected to the alarm sound signal generation part and the microphone and for removing the alarm sound included in the voice received by the microphone, and a communication part 17 connected to the signal processing part and for transmitting signals outputted from the signal processing part to the reporting destination.
COPYRIGHT: (C)2004,JPO

Abstract translation: 要解决的问题：提供一种用于消除接收到的报警声并清楚地传送报告人的声音的报警装置。 解决方案：具有用于将报告人的声音清晰地传送到报告目的地的报警声消除功能的报告装置1包括用于产生报警声的报警声产生部13，用于接收语音的麦克风11，信号 连接到报警声音信号产生部分和麦克风的处理部分12，以及用于去除由麦克风接收的声音中包含的报警声音;以及通信部分17，连接到信号处理部分，并用于发送从信号处理部分输出的信号 到报告目的地。 版权所有（C）2004，JPO

公开(公告)号：JP2002344513A

公开(公告)日：2002-11-29

申请号：JP2001144624

申请日：2001-05-15

Applicant: TOA CORP

Inventor： YOSHIKAWA SUSUMU

IPC: H04L1/00 ,  H04L12/70 ,  H04L12/951 ,  H04L29/02 ,  H04L12/56

Abstract: PROBLEM TO BE SOLVED: To provide a digital receiver which does not generate noises even when it receives a packet containing uncorrectable error data. SOLUTION: In a digital communication system which sequentially transmits digital data by a packet, a receiver 1 comprises data converting means 12, 14, 15 and an error detection means 13. When the error detection means 13 has detected that the packet at a certain point of time is an unnecessary packet containing the digital data having an error, the data converting means 12, 14, 15 analog-convert the digital data of the packet received just before the unnecessary packet in place of the digital packet of the unnecessary packet, or output a signal obtained by analog-converting the digital data of the packet received just before the unnecessary packet in place of a signal obtained by analog- converting the digital data of the unnecessary packet.

公开(公告)号：JP2002330497A

公开(公告)日：2002-11-15

申请号：JP2001134129

申请日：2001-05-01

Applicant: TOA CORP

Inventor： YOSHIKAWA SUSUMU

IPC: H04R25/00

Abstract: PROBLEM TO BE SOLVED: To provide a communication system that can facilitate communication by hearing-handicapped people in a communication environment among a plurality of people. SOLUTION: A hearing-handicapped person carries a hearing aid unit 10 that can collect a sound in an area 14 around the hearing-handicapped person. Other able-bodies people carry transmitter units 12-2-12-k, collect sounds in areas 16-2-16-k and transmit the collected sound to the hearing aid unit 10. The hearing aid unit 10 has a reception section that receives the sound in the areas 16-2-16-k sent from a plurality of the transmitter units so as to allow the hearing-handicapped person to be able to listen to the sound in the areas 16-2-16-k.