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1. 发明专利

JPS57150242A DIVERSITY RECEIVING DEVICE 失效
公开(公告)号：JPS57150242A
公开(公告)日：1982-09-17
申请号：JP17811781
申请日：1981-11-06
申请人： NISSAN MOTOR , CLARION CO LTD
发明人： KAWAGISHI MASAO , TOMIYAMA YORITSUGU , FUKUHARA HIROSHIGE , HAMADA MASANORI , ONO SADAO , MATSUMARU SHIYOUJI
IPC分类号： H03J7/18 , H04B7/08
摘要： PURPOSE:To exactly execute automatic channel selection, by providing an automatic channel selection stop signal generator on only a receiving system whose antenna gain is highest, among plural receiving systems, and constituting it so that an automatic channel selection stop signal is applied to a local oscillation signal generator of a tuner of all the receiving systems. CONSTITUTION:An automatic channel selection stop signal generating circuit 10 is provided on an intermediate frequency amplifying stage 5a of a receiving system (a) whose antenna gain is highest, among plural receiving systems. A diversity switching signal outputted from a comparing circuit 9 operates so as to switch only a sound signal switching circuit 7. Also, an automatic channel selection stop signal is fetched from one automatic channel selection stop signal generating circuit 10, and is applied to a common local oscillation stage. In this regard, (b) denotes a receiving circuit system.

2. 发明专利

JPS57150243A DIVERSITY RECEIVING DEVICE 失效
公开(公告)号：JPS57150243A
公开(公告)日：1982-09-17
申请号：JP17811881
申请日：1981-11-06
申请人： NISSAN MOTOR , CLARION CO LTD
发明人： KAWAGISHI MASAO , TOMIYAMA YORITSUGU , FUKUHARA HIROSHIGE , HAMADA MASANORI , MATSUMARU SHIYOUJI , YUMOTO TERUO
IPC分类号： H03J7/18 , H04B7/08
摘要： PURPOSE:To prevent an unnecessary flickering operation in the course of an automatic channel selecting operation of a diversity receiving device, by constituting it so that the operation of each turn-on indicator is always fixed to either the turn-on state or the turn-off state. CONSTITUTION:A turn-on indicator 1 biased in the forward direction is turned on by a control signal 4 supplied from a controlling circuit 3 in the course of an automatic channel selecting operation. Other indicator 2, however, is turned off since the control signal is biased in the reverse direction through an inverter 5. After that, each turn-on indicator 1, 2 is fixed to said operating states.

3. 发明专利

JPS57150240A DIVERSITY RECEIVING DEVICE 失效
公开(公告)号：JPS57150240A
公开(公告)日：1982-09-17
申请号：JP3574781
申请日：1981-03-12
申请人： NISSAN MOTOR , CLARION CO LTD
发明人： KAWAGISHI MASAO , TOMIYAMA YORITSUGU , FUKUHARA HIROSHIGE , ONO SADAO , MATSUMARU SHIYOUJI , YUMOTO TERUO
IPC分类号： H04B7/08 , H04B7/02
摘要： PURPOSE:To expand a range of a diversity switching operation to a high electric field, by providing a means for controlling so that an output signal level of a high frequency amplifying circuit of a receiving system becomes constant in accordance with electric field intensity of an intermediate frequency amplifying circuit. CONSTITUTION:A signal from an antenna 1 is amplified by a high frequency amplifying circuit 2 and an intermediate frequency amplifying circuit 3, and is supplied to a distortion component detecting circuit 4. The gain of the high frequency amplifying circuit 2 is controlled automatically by an automatic gain controlling circuit 6 in accordance with an S meter output signal level of the receiving electric field intensity by which an AM component by multipath distortion has been outputted sufficiently. In this way, an output signal level of the high frequency amplifying circuit 2 is controlled so as to be constant, the S meter is not saturated, and magnitude of the AM component by multipath distortion is displayed as output voltage.

4. 发明专利

JPS6025425A WATER TEMPERATURE SENSOR 失效
公开(公告)号：JPS6025425A
公开(公告)日：1985-02-08
申请号：JP13276983
申请日：1983-07-22
申请人： NISSAN MOTOR
发明人： KAWAGISHI MASAO
IPC分类号： G01K5/44 , G01K11/06 , G01K13/02
摘要： PURPOSE:To make an indication accurate by inserting a piston into wax materials which change in phase at different temperature through elastic films and obtaining the movement extent of the piston based upon pressure corresponding to the extent of the cubic expansion of both wax materials in the form of variation in resistance value. CONSTITUTION:When the temperature of engine cooling water rises up to, for example, 60 deg.C, the 1st wax 21 starts changing from the solid phase to the liquid phase and then expands in volume. The pressure is applied to the piston 24 through elastic films 26 and 27 including the 2nd wax 22. The movement extent of the piston 24 appears as the extent by which a contact 28 moves in contact with a slide resistor 25. The resistance value of the slide resistor 25 varies and a current corresponding to the varying resistance value flows from a terminal 4 to indicate the water temperature on an instrument 9.

5. 发明专利

JPS5936430A Radio receiver for vehicle 失效
标题翻译：无线电接收机
公开(公告)号：JPS5936430A
公开(公告)日：1984-02-28
申请号：JP14554782
申请日：1982-08-24
申请人： Nissan Motor Co Ltd
发明人： KAWAGISHI MASAO
IPC分类号： H04B1/16 , H03J1/04
CPC分类号： H03J1/048
摘要： PURPOSE:To display a station name accurately, by comparing broadcasting frequency data stored for every region with receiving tuning means, which is provided independently of a receiving tuning means provided for listening to radio broadcasting, and reading out a station name corresponding to discriminated region data and a receiving frequency under listening from a memory and displaying this station name. CONSTITUTION:Receivable broadcasting frequency data and data of broadcasting station names corresponding to broadcasting frequencies are divided by preliminarily divided regions and are stored in a memory 13, and a receivable frequency is detected at a channel selecting operation time by the receiving tuning means which is provided independently of the receiving tuning means provided for listening to the radio broadcasting, and this detected receivable frequency data and broadcasting frequency data stored for every region are compared with each other in a region discriminating circuit 16, and the broadcasting station name corresponding to discriminated region data and the radio receiving frequency under listening is read out from the memory 13 on a basis of the comparison result and is displayed on a display device 15.
摘要翻译：目的：通过比较各个区域存储的广播频率数据与独立于收听无线电广播的接收调谐装置独立提供的接收调谐装置，并且读出与识别区域数据相对应的电台名称，来准确地显示电台名称以及从存储器收听并显示该电台名称的接收频率。构成：可接收的广播频率数据和与广播频率相对应的广播电台名称的数据被预先划分的区域划分并存储在存储器13中，并且通过所提供的接收调谐装置在频道选择操作时间检测可接收频率独立于提供用于收听无线电广播的接收调谐装置，并且在区域鉴别电路16中将针对每个区域存储的该检测到的可接收频率数据和广播频率数据进行比较，并且与区分区域数据对应的广播站名称并且基于比较结果从存储器13读出正在收听的无线电接收频率，并将其显示在显示装置15上。

6. 发明专利

JPS57133713A DISPLAY CONSTRUCTION OF RADIO RECEIVER FOR CAR 失效
公开(公告)号：JPS57133713A
公开(公告)日：1982-08-18
申请号：JP1902581
申请日：1981-02-13
申请人： NISSAN MOTOR
发明人： IMAI MAMORU , TAMURA TAKEO , KAWAGISHI MASAO
IPC分类号： H04B1/08 , H03J1/04 , H03J5/08
摘要： PURPOSE:To cope with the change in the instrument panel through the change in a front panel, by providing a pointer and a pointer fitting section at a radio unit side, forming a display section at the front panel separately with the radio unit and making the display freely attachable and detachable to the radio unit. CONSTITUTION:A pointer 3 is fitted to a pointer fitting section 13 assembled with a radio unit 1. Slope surfaces 20, 24 are formed at the tip of the pointer 3, and one or both of the slope surfaces have reflection film. A display 2 corresponding to the pointer 3 is formed on a front panel 7 as separated from the radio unit 1 and with a transparent resin plate 22 on which frequency scale is engraved. The front panel is fixed with the radio unit 1 with a nut 42. With the construction like this, the change in the instrument panel of a car can be coped with the replacement of the front panel only.

7. 发明专利

JPS5686525A CHANGEEOVER DEVICE FOR STOP SENSITIVITY 失效
公开(公告)号：JPS5686525A
公开(公告)日：1981-07-14
申请号：JP16380479
申请日：1979-12-17
申请人： NISSAN MOTOR
发明人： HASHIMOTO ATSUMI , KAWAGISHI MASAO
IPC分类号： H03J7/18 , H03G5/24
摘要： PURPOSE:To make easy the switching of reception sensitivity, corresponding to the status of electromagnetic wave reception producing difference at night and day, by switching the stop sensitivity of the automatic channel selector for receivers with on/off signal of a light switch for car. CONSTITUTION:The automatic channel selector for receiver consisting of an antenna 1, tuning circuit 4 and amplifying circuit 5 is provided with a stop sensitivity switching circuit 2 consisting of a capacitor C1 and a resistance R1. This stop sensitivity switching circuit 2 is inserted to a reception circuit with ground with a good electromagnetic wave reception at night to decrease the sansitivity with lower level of antenna input VO. Further, a switching transistor 6 is connected to the stop sensitivity switching circuit 2. By controlling the transistor 6 with a light switch 7 which is connected to a car light 8 and a battery VB, the switching to a low sensitivity at night strong in the electric field and a high sensitivity at day, can easily be made.

8. 发明专利

JPS62291571A SPEED ALARM DEVICE FOR VEHICLE 失效
公开(公告)号：JPS62291571A
公开(公告)日：1987-12-18
申请号：JP13493386
申请日：1986-06-12
申请人： NISSAN MOTOR
发明人： OKADA KAZUYOSHI , FUJIKI NORIO , KAWAGISHI MASAO , HAYASHI TAKATOSHI
IPC分类号： G01P1/10
摘要： PURPOSE:To enhance the recognition property of an alarm car speed, by performing the change-over display of the alarm car speed set in place of car speed data on a speedometer at the setting time of the alarm car speed. CONSTITUTION:Setting switches 1a-1d for setting an alarm car speed on the basis of '0' and '1' codes and a set/reset switch 1e for setting and resetting the alarm car speed are provided in a switch module 1 setting the alarm car speed. The signals from the switches 1a-1e and the car speed signal (a) from a car speed sensor are inputted to a control module 2 and the output of the module 2 is given to a chime 3 and a speedometer 4. The module 2 compares the set value of the alarm car speed set in the module 1 with the actual car speed on the signal (a) and, when both of them coincide, the chime 3 is driven to emit a car speed alarm and, when the switch 1e of the module 1 is subjected to set operation, the set value of the alarm car speed is subjected to change-over display on the speedometer 4 in place of the car speed. By this method, the recognition property of the set display of the alarm car speed can be enhanced to a large extent.

9. 发明专利

JPS5857934B2 JPS5857934B2 - 失效
公开(公告)号：JPS5857934B2
公开(公告)日：1983-12-22
申请号：JP8995578
申请日：1978-07-25
申请人： Nissan Motor
发明人： HASHIMOTO ATSUMI , KAWAGISHI MASAO
IPC分类号： G11B31/00 , G11B33/00 , H02J1/00 , H04B1/16
CPC分类号： H04B1/1607

10. 发明专利

JPS56149123A RADIO RECEIVER FOR VEHICLE 失效
公开(公告)号：JPS56149123A
公开(公告)日：1981-11-18
申请号：JP5224680
申请日：1980-04-22
申请人： NISSAN MOTOR
发明人： KUBOTA MASAMI , KAWAGISHI MASAO
IPC分类号： H04B1/10 , H04H1/00 , H04H40/72
摘要： PURPOSE:To obtain an excellent broadcast reception state by suppressing a decrease in sound volume due to high-cut operation when performing the high-cut operation by detecting the lowering of an electric field level or the generation of echo distortion during reception. CONSTITUTION:If the lowering of an electric field level or the generation of echo distortion occurs during FM broadcast reception, that is detected by high-cut control circuit 8 and high-cut circuit 9 operates to attenuate the high-frequency signal level of the detection output of FM detector 4 according to the lowering of the electric field or the magnitude of the distortion, thereby attenuating a noise component included in the high frequency range. The output of circuit 8, on other hand, puts sound volume control circuit 10 in operation to energize relay coil 11, thereby changing over its contact 12. Consequently, the FM detection output attenuated by a resistance is inputted directly to stereo demodulator 5 without passing through resistance R, so that signal level is increased on the whole to obtain an excellent reception state.

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