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    • 41. 发明专利
    • Busy state display control system of radio terminal device
    • 无线终端设备的繁忙状态显示控制系统
    • JPS6163121A
    • 1986-04-01
    • JP18578484
    • 1984-09-05
    • Toshiba Corp
    • ISHIKAWA TOMOO
    • H04B7/26H04M1/00
    • PURPOSE: To attain effective use of frequency resource by transmitting respectively a signal representing display of busy state and its release to a radio terminal device during no communication only just before the talking state and just after the end of call to apply busy state display control.
      CONSTITUTION: A radio telephone system A consists of cordless telephone sets 11∼13, a telephone subscriber line connected to a telephone subscriber terminal 8 and a master set 10 applying connection control to the telephone sets 11∼13 by radio, and systems B, C are constituted similarly. When an incoming call comes to the set 10 from a telephone exchange via a subscriber line, a signal representing the incoming call is received by a control channel and after the operating talking channel is designated, the set 10 and the telephone sets 11∼13 are led to the designated channel and a call tone is generated from the telephone sets 11∼13 by a ring signal from the set 10. When a response exists by any telephone set, other telephone sets are restored to the control channel except the responding telephone set. The set 10 transmits a signal of busy state display and release to telephone sets not talking with the control channel just before the talking state and just after the end of call to attain busy state display control.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:为了在通话状态之前和刚刚结束通话之后分别发送表示繁忙状态显示的信号及其释放到无线电终端设备以有效使用频率资源以应用忙状态显示控制。 构成:无线电话系统A包括无绳电话机11-13,连接到电话用户终端8的电话用户线路和通过无线电对电话机11-13进行连接控制的主机10,以及系统B,C 类似地构成。 当通过用户线路从电话交换机来到呼入电话机10时,表示呼入的信号由控制信道接收,并且在指定操作通话信道之后,组10和电话机11-13是 导致指定频道,并且通过来自组10的振铃信号从电话机11-13产生呼叫音。当任何电话机存在响应时,除了响应电话机之外,其他电话机被恢复到控制信道 。 集合10在通话状态之前和呼叫结束之后发送忙碌状态显示和释放的信号到不与控制信道通话的电话机以达到忙碌状态显示控制。
    • 42. 发明专利
    • Multichannel access system
    • 多通道访问系统
    • JPS6154727A
    • 1986-03-19
    • JP17641784
    • 1984-08-24
    • Toshiba Corp
    • ISHIKAWA TOMOO
    • H04W84/08H04W72/04
    • H04W99/00
    • PURPOSE:To improve the utilization rate of a control channel and utilize a frequency effectively by allowing the 1st and the 2nd communication devices in each group to switch radio channels synchronously, stopping the channel switching at a radio channel through which a communication is possible and making the communication when a request for the communication is made. CONSTITUTION:A connecting device CE and a cordless telephone set TEL which corresponds to the connecting device CE switch speech channels synchronously with each other in a call waiting state in which incoming or outgoing from the cordless telephone set TEL is waited for through a circuit 39. When there is an incoming signal through a circuit connected to a connecting device in some group or an outgoing signal from the cordless telephone set, switching of speech channels in the group is stopped when a free channel is obtained, and the connecting device in the group and the cordless telephone set send a transmit radio wave to receive a control signal and then enter a speech state. Further, even when a radio channel which is switched to is engaged, the radio channel is held for a specific time.
    • 目的:通过允许每组中的第一和第二通信设备同步切换无线电信道,提高控制信道的利用率,有效利用频率,停止可通信的无线电信道上的信道切换, 进行通信请求时的通信。 构成:在来自无绳电话机TEL的输入或输出等待通过电路39的呼叫等待状态下,对应于连接装置CE切换话音信道的连接装置CE和无绳电话机TEL彼此同步。 当通过连接到一些组中的连接装置的电路或者来自无绳电话机的输出信号的输入信号时,当获得空闲信道时,组中的语音信道的切换被停止,并且组中的连接装置 并且无绳电话机发送发送无线电波以接收控制信号,然后进入语音状态。 此外,即使当切换到的无线电信道被接合时,无线电信道被保持一段特定的时间。
    • 43. 发明专利
    • RUNNING DETECTION DEVICE AND CAR NAVIGATION APPARATUS
    • JPH06341851A
    • 1994-12-13
    • JP13212193
    • 1993-06-02
    • TOSHIBA CORP
    • ISHIKAWA TOMOO
    • G01C21/00G08G1/0969
    • PURPOSE:To mount a running detection device on a vehicle simply, quickly and at a low cost without a need of remodeling the vehicle by a method where whether a car is running or not is judged by a change in the ripple frequency of a voltage from the vehicle-mounted power supply system of a car. CONSTITUTION:In a filter 22, a noise component is removed from a DC voltage from a vehicle-mounted power supply 21, a ripple component which is proportional to the number of revolutions of an engine is given to an amplifying and waveform-shaping circuit 23, and a ripple frequency is amplified in the circuit and waveform-shaped to pulses. The frequency of the pulses, i.e., the ripple frequency, is measured by a frequency measuring circuit 24. In addition, when a running judgment circuit 25 detects that the ripple frequency has exceeded a prescribed value, such a judged result that a vehicle is running, is output. On the other hand, when the ripple frequency is at the prescribed value or lower, such a judged result that the vehicle is at a standstill, is output.
    • 44. 发明专利
    • NAVIGATION SYSTEM
    • JPH06130144A
    • 1994-05-13
    • JP27717992
    • 1992-10-15
    • TOSHIBA CORP
    • ISHIKAWA TOMOO
    • B60R16/02G01C21/00G01S19/05G01S19/25G01S19/41G06F17/30G08G1/0969G01S5/14G06F15/40
    • PURPOSE:To quicken rising in provision of navigational information. CONSTITUTION:The navigation system 11 comprises a GPS receiver 12 for receiving navigation radio waves from a plurality of GPS satellites 18 and measuring its own position, a CD-ROM unit 13 for recording map information and other relevant information in a CD-ROM to configure a map data base, a display/operating unit 14 including an LCD 14b and the like, and a controller 15 comprising a CPU and recording/working areas thereof, i.e., ROM, RAM 15b, a clock 15a, a common power supply therefor, i.e., a backup battery 15c, and a microprocessor controlling the entire system. The navigation system further comprises a fixed ground station 17 receiving navigation radio wave from the GPS satellite 18 and constantly updating the navigation data to keep a newest data, and a radio unit 16 for communication with the fixed ground station which takes in newest navigation data by radio from the fixed ground station 17 at higher data transmission rate than the GPS satellite 18 when the data collected from the GPS satellite 18 is inappropriate.
    • 46. 发明专利
    • Radio terminal unit connection control system
    • 无线终端单元连接控制系统
    • JPS6158341A
    • 1986-03-25
    • JP18002084
    • 1984-08-29
    • Toshiba Corp
    • ISHIKAWA TOMOOSUZUKI KIYOSHI
    • H04B7/26H04M1/00
    • H04W99/00
    • PURPOSE:To permit effective radio terminal unit connection control by leading only a calling radio terminal unit to a communication channel capable of use from a control channel and rendering the other radio terminal units than a responding radio terminal unit at the time of a call arrival. CONSTITUTION:When a cordless telephone set 11 transmits a call signal along with an identification signal to a main unit 10, the unit 10 searches a vacant channel according to the received call signal. Then it transmits a channel designation signal represented the searched vacant channel. When the receiving telephone set 11 switches the channel over to the designated communication channel, the dial tone from a switchboard is transmitted to the telephone set 11. When a call signal arrives at the main unit 10 from the switchboard through a subscriber's line, the unit 10 effects search of a vacant communication channel, and a call arrival signal including a channel designation signal corresponding to the searched vacant communication channel along with an identification code using a control channel. The telephone set 11 transmits a response signal to the unit 10, and switches the designated communication channel.
    • 目的:通过将呼叫无线电终端单元引导到能够从控制信道使用的通信信道,并且在呼叫到达时使其他无线电终端单元比响应无线电终端单元允许有效的无线电终端单元连接控制。 构成:当无绳电话机11将主叫信号与识别信号一起发送到主单元10时,单元10根据接收的呼叫信号搜索空闲信道。 然后发送表示搜索到的空闲信道的信道指定信号。 当接收电话机11将信道切换到指定的通信信道时,来自交换机的拨号音被发送到电话机11.当呼叫信号通过用户线路从总机到达主机10时,单元 10对空闲通信信道进行搜索,以及包括与所搜索的空闲通信信道相对应的信道指定信号的呼叫到达信号以及使用控制信道的识别码。 电话机11向单元10发送响应信号,并切换指定的通信信道。
    • 48. 发明专利
    • NAVIGATION SYSTEM FOR MOBILE BODY
    • JPH0378678A
    • 1991-04-03
    • JP21503489
    • 1989-08-23
    • TOSHIBA CORP
    • AIZAWA YUKIOISHIKAWA TOMOO
    • G01C21/00G01S19/14
    • PURPOSE:To obtain a navigation system economical and excellent in servicing by a method wherein information pertaining traffic is transmitted as data to a communication satellite from a satellite ground station and the information from the communication satellite is received by a mobile station. CONSTITUTION:Information pertaining to traffic gathered to a traffic information processing center 13 is transmitted as data at a frequency fU to a communication satellite 11 from a satellite ground station (stationary station) 15. The communication satellite 11 transmits the information pertaining to traffic as data to the ground of the earth at a frequency fD differing from that of the wave transmitted from the satellite ground station 15 and the wave transmitted is received by a mobile station 16 carried on a mobile body 12 such as a vehicle or a ship. Then, a distance from the mobile body 12 to GPS satellites 30, 31, 32 and 33 is measured from arrival time of radio waves emitted from the GPS satellites 30, 31, 32 and 33. Thus, the use of the four satellites enables measurement of an absolute position of the mobile body 12.
    • 49. 发明专利
    • CALLING CHANNEL SELECTION CONTROL SYSTEM FOR MOBILE COMMUNICATION SYSTEM
    • JPH01252032A
    • 1989-10-06
    • JP7969888
    • 1988-03-31
    • TOSHIBA CORP
    • ISHIKAWA TOMOO
    • H04M1/733H04W72/06H04W84/16
    • PURPOSE:To prevent the interference of a calling channel and interference to a control channel by informing a channel of a circuit controller when this calling channel is formed between a fixed radio equipment and a mobile radio equipment and controlling the calling channel to be sued by all the fixed radio equipments in this circuit controller. CONSTITUTION:For example, when the calling channel is formed between a fixed radio equipment 42 and a mobile radio equipment 3c based on idle channel information, information to express the channel and the identifying information of the radio equipment 3c are supplied to the radio equipment 3c. In the radio equipment 3c, by responding to such a condition, a speech path is formed between a wired circuit 6c and the radio equipment 3c and a calling condition is obtained. Then, the occupation of the calling channel is stored in a circuit controller 7. Thus, the calling channel to be used by respective fixed radio equipment 41-43 is controlled by the equipment 7 and when there is an incoming call from wired telephone circuits 6a-6e, the occupied channel is announced from the equipment 7 to the fixed radio equipments 41-43. Then, channel selection is executed in the fixed radio equipment side.