Switching power supply
    5.
    发明专利

    公开(公告)号:JP2004215444A

    公开(公告)日:2004-07-29

    申请号:JP2003001387

    申请日:2003-01-07

    Abstract: PROBLEM TO BE SOLVED: To prevent the parts of a switching power supply from excessively heating when the switching power supply is connected to an electronic transformer.
    SOLUTION: The switching power supply is so designed as to convert an input voltage into a desired voltage and output it. If a control portion 130 detects that the input voltage has not reached a predetermined voltage when operation of a switching element is started, the control portion controls the operation of a driving portion 142 and causes it to stop the operation of the switching element in the switching element portion 143. Before the driving of the switching element is started, the output voltage of the electronic transformer is low. Therefore, when the switching power supply is connected to the electronic transformer, it is not driven, and its parts are prevented from excessively heating. When the switching power supply is connected to an AC outlet, the input voltage reaches the predetermined voltage. Therefore, the switching power supply can be properly operated.
    COPYRIGHT: (C)2004,JPO&NCIPI

    CHARGING EQUIPMENT
    6.
    发明专利

    公开(公告)号:JPH09298845A

    公开(公告)日:1997-11-18

    申请号:JP13070696

    申请日:1996-04-26

    Applicant: SONY CORP

    Inventor: KONNO YOSHIHIRO

    Abstract: PROBLEM TO BE SOLVED: To permit initial charging with a predetermined level of a current by limiting the level of a charging current with a limiting element during initial charging and controlling the mean value of a charging current to a specified value by controlling the switch element with a predetermined duty ratio. SOLUTION: When a battery pack 10 is connected to terminals T21 and 22, initial charging is first carried out. That is, by the output of port P23 , FET Q22 turns on, a port P21 becomes 0 and a port P22 changes to 0, 1 at a predetermined period. Then, in 1 period of the port P22 , the potential between the port P22 and the port P21 is divided by resistors R22 and R21 , and is supplied to a gate of FET Q21 . Thus, the battery 11 is charged with a predetermined level of current in 1 period of the port P22 , and charging is performed with a pulse current at a duty ratio of a level change of the port P22 with which a mean value is determined.

    CONNECTOR
    7.
    发明专利

    公开(公告)号:JPH04227170A

    公开(公告)日:1992-08-17

    申请号:JP41653090

    申请日:1990-12-29

    Applicant: SONY CORP

    Abstract: PURPOSE:To improve the way of using by connecting an electronic equipment main body to a various kinds of external equipment by a simple operation by supplying a power source for driving via a terminal plate formed so as to be able to connect to the electronic equipment main body instead of a battery, and inputting/outputting a required signal. CONSTITUTION:A charger 1 supplies a commercial power source to a power source circuit 24 via a power cable 22, and supplies the power source outputted from the power source circuit 24 to an output control circuit 26. The circuit 26 outputs a power source for charge to power source terminals 18A, 18B reacting according to the operation of a change-over switch 28, and also, outputs a power source for driving camera integral type video tape recorder to a connection cable 30. Furthermore, the circuit 26 outputs the power source for charge or that for driving to a charge control circuit 38, thereby, the power source can be held at a prescribed voltage by controlling an oscillation part 40. In such a way, it is possible to easily charge the battery 2 by operating the change- over switch 28 after loading the battery 2 on the charger 1.

    CHARGING DEVICE
    8.
    发明专利

    公开(公告)号:JPH10322929A

    公开(公告)日:1998-12-04

    申请号:JP12096697

    申请日:1997-05-12

    Applicant: SONY CORP

    Inventor: KONNO YOSHIHIRO

    Abstract: PROBLEM TO BE SOLVED: To conduct quick charges at a low cost, and conduct detection of full charge accurately. SOLUTION: A commercial AC power source is connected to a constant- current power circuit 11 through a power supply plug 12. Charging output (charging current) from the constant current power circuit 11 is connected to a positive charging terminal 13a. A ground end of the constant current power circuit 11 is connected to a negative charging terminal 13b through FETs 14, 15. The charging voltage Vc of the charging terminal 13a is detected at a microcomputer 18, for controlling, a charging control signal from the microcomputer 18 is supplied to the gate of the FET 14, and the control signal of the charging current is supplied to the constant current power circuit 11. For example, the charging current matching with a battery of a large size is first supplied to the charging terminal 13a, and the charging voltage Vc of the charging terminal 13a is detected. After the voltage Vc exceeds a preset voltage Vcs, for example, the charging current matching with a battery of small size is supplied to the charging terminal 13a.

    Electronic equipment (battery charger)
    9.
    发明专利
    Electronic equipment (battery charger) 有权
    电子设备(电池充电器)

    公开(公告)号:JP2006136124A

    公开(公告)日:2006-05-25

    申请号:JP2004322268

    申请日:2004-11-05

    CPC classification number: Y02E60/12

    Abstract: PROBLEM TO BE SOLVED: To prevent undue force from being applied to a battery and a charger when external force is applied with the battery set in the charger.
    SOLUTION: The charger 100 includes a battery housing space 54 provided in a charging case 52 and terminals 56 for charging provided in the battery housing space 54. The charging case 52 is constructed of a lower case 58 and an upper case 60 separate from the lower case 58. The charging case 52 is provided with a fastening/unfastening mechanism. It is so constructed that it fastens together the lower case 58 and the upper case 60, and further, when upward force is applied to a battery 2 placed in the battery housing space 54, the force is transmitted from the battery 2 to the upper case 60 and the lower case 58 and the upper case 60 are thereby unfastened from each other.
    COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题:为了防止在将电池设置在充电器中时施加外力而在电池和充电器上施加过大的力。 解决方案:充电器100包括设置在充电壳体52中的电池容纳空间54和设置在电池容纳空间54中的用于充电的端子56.充电壳体52由下壳体58和上壳体60分开构成 充电壳体52设置有紧固/松开机构。 它被构造成使得它们固定在下壳体58和上壳体60上,并且当向上的力施加到放置在电池容纳空间54中的电池2时,力从电池2传递到上壳体 60和下壳体58以及上壳体60彼此松开。 版权所有(C)2006,JPO&NCIPI

    BATTERY PACK CHARGER AND DC POWER SUPPLY UNIT

    公开(公告)号:JP2003116230A

    公开(公告)日:2003-04-18

    申请号:JP2001308082

    申请日:2001-10-03

    Applicant: SONY CORP

    Abstract: PROBLEM TO BE SOLVED: To reduce power consumption on standby. SOLUTION: An output is stopped by detecting a non-fitting condition of a battery pack B1 or a DC output cord PWC with a battery pack detection switch S2 and a connection detection switch S4. At the same time, the operation of a charging control circuit 15 is stopped, and a light emitting diode D1 indicating that a DC is ready on outputting is turned off by opening a control power switch S3 or a switch S5 for display.

Patent Agency Ranking