JPH04109826A - battery powered electronic equipment - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to electronic equipment, and particularly to the structure of a dry cell battery for electronic equipment.

[Prior Art] Some electronic devices using conventional batteries use Ni-Cd batteries or dry batteries. Further, as shown in FIG. 2, a plurality of dry batteries were connected in series and supplied to the electronic equipment 3 through a constant voltage circuit 4.

[Problem to be solved by the invention] However, in the conventional battery power supply configuration, a charger is required for products using Ni-Cd batteries, and when considering portable electronic devices, the charger itself is not required. It was necessary to carry it around, impairing its portability. Furthermore, electronic devices using dry batteries cannot be used in electronic devices that require large currents due to the limitations of the dry cell batteries themselves. In other words, due to the internal resistance of the dry cell batteries, if a large current was used, a voltage drop would occur, potentially causing electronic devices to malfunction, making them unusable. In terms of portability, AS is the best power source because it uses dry batteries, which do not require a charger and can be found anywhere, but it could not be used in electronic devices that require floppy disks, backlights, etc. Further, in the circuit configuration shown in FIG. 2, the number of dry batteries 1 in series increases, requiring a large storage space, and requiring a constant voltage circuit, which is disadvantageous in terms of cost.

[Means for Solving the Problems] Accordingly, the present invention uses a dry battery as the battery in an electronic device that uses a battery as a power source, and is configured with a Ni-Cd battery connected in parallel to the dry battery. It is characterized by having a battery power source.

[Function] According to the above configuration, Ni-Cd can flow a large current.
By using batteries in parallel, a large current can be extracted, and when a large current is not required, Ni-C can be extracted from dry batteries.
d Acts to flow charging current to the battery.

[Example] FIG. 1 shows an example of a circuit according to the present invention. 1 is a dry battery and 2 is a Ni-Cd battery. By connecting these batteries in parallel, when the electronic device 3 requires large current, it is supplied from the Ni-Cd'jJ pond 2, and otherwise it is supplied from the Ni-Cd'jJ pond 2.
It will be supplied from 1 Ni-Cd battery and 1 dry battery. The Ni-Cd battery 2 is charged by the dry battery 1.

[Effects of the Invention] As described above, according to the configuration of the present invention, even an electronic device that requires a large current can be operated by apparently rotating batteries.

In other words, if the battery capacity runs out, you can use it by buying dry batteries that are easily available when you are out on a business trip and replacing them. As a result, there is no need to carry around accompanying equipment such as a charger, making it possible to provide highly portable electronic equipment such as floppy disks and backlights that use large currents.

In particular, in the configuration of the present invention, the capacity of the Ni--Cd battery does not need to be large, and a small-sized one may be sufficient. This is because a floppy disk requires a large current for a period of about 10-1 seconds, and if it can cover that period, it can be used with a small current for the rest of the time, so it can be used with dry batteries.

Furthermore, since a Ni-Cd battery is used, it is possible to use the Ni-Cd battery as a backup when replacing the dry battery.

As described above, according to the present invention, dry batteries that can be purchased anywhere can be used in electronic devices that require a large current, and a charger is not required and it is very convenient to carry around.

[Brief explanation of drawings]

Fig. 1: Circuit diagram according to the present invention Fig. 2: Power supply circuit section of a conventional electronic device. 1... Dry battery 2... Ni-Cd battery 3... Electronic equipment 4... Constant voltage circuit or higher Applicant Seiko Epson Co., Ltd. Agent Patent attorney Kizobe Suzuki (and others) 1 Dry battery
3 Electronic equipment 2 Ni-CD battery No. 1 1 Dry battery 3 Electronic equipment 4 Constant voltage circuit Figure 2

Claims (1)

[Claims] (1) In electronic equipment that uses batteries as a power source, a battery-driven device is characterized in that it uses a dry cell as the battery and has a battery power source composed of a Ni-Cd battery connected in parallel to the dry cell. Electronics