JPH08195193A - Portable electronic apparatus device - Google Patents

Abstract

PURPOSE: To prevent the stored data of a semiconductor memory from being lost by mistake at the time of battery replacement with a simple structure at a low cost by providing a backup battery removal preventing mechanism to be used when an operating battery is removed. CONSTITUTION: When an operating battery 5 is consumed and battery replacement is required while both the battery 5 and a backup battery 6 are loaded on a power supply battery storage section 4, the battery 5 is taken out from an operating battery opening section 7 with fingers. A detecting member 11 is extruded to an operating battery storage section 8 by the elastic force of a spring 12, and one end section of the detecting member 11 is protruded on the operating battery storage section 8. When the detecting member 11 is moved, a link arm 14 fitted to the detecting member 11 is rotated while a shaft support section 15 serves as a fulcrum, and a shutter member 13 connected to the other end of the link arm 14 closes a backup battery removal opening section 9. The removal of the backup battery 6 is prevented, electric power is fed by the backup battery 6, the stored data can be held with a simple structure at a low cost, and the reliability can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable electronic device capable of holding data stored in a volatile semiconductor memory by means of a backup battery.

[0002]

2. Description of the Related Art In recent years, input of personal names, addresses, telephone numbers, messages, schedules, etc. is stored, and is composed of a keyboard, a touch panel, a screen such as a liquid crystal display for displaying data, and an electronic notebook or an electronic notebook which is convenient to carry. dictionary,
Portable electronic devices such as portable information tools and notebook computers have been put to practical use. Therefore, small size, light weight,
For high speed read / write, data is generally stored as stored data in a built-in volatile semiconductor memory. In particular, with the dramatic increase in memory capacity and the improvement in the holding function of low power consumption semiconductor memories, many large-capacity volatile semiconductor memories have been built into portable electronic devices. Recently, a notebook type portable electronic device that has a resume function, that is, even if the power is turned off during work, when the power is turned on next time and the work is restarted, the previous work can be continued. Computers are also commercialized. However, since the semiconductor memory used is generally volatile, when power is turned off, power supply for storing data in the semiconductor memory is required.

A conventional portable electronic device will be described below. FIG. 5 is a conventional portable electronic device, and FIG. 5A is a front view of the conventional portable electronic device.
FIG. 5B is a back view of a conventional portable electronic device, and shows an example of an electronic notebook for inputting a person's name, address, telephone number, message, schedule and the like. In FIG. 5, 1 is a portable electronic device, 2 is a power switch, and 3 is a liquid crystal screen, which also has an input function of a touch panel. Reference numeral 4 is a power supply battery storage portion located on the back surface, 5 is an operation battery serving as a main power supply, and 6 is a backup battery for holding stored data in the memory.

Here, an example is shown in which a cylindrical alkaline battery is used as the operating battery 5, and a flat circular mercury battery is used as the backup battery 6. Here, when the operation battery 5 is removed when the operation battery 5 is replaced, the backup battery 6 supplies electric power to the semiconductor memory to retain the stored data. Further, when the backup battery 6 is removed when the backup battery 6 is replaced, the operating battery 5 supplies electric power to the semiconductor memory to retain the stored data. Here, when both batteries are attached, generally, the operation battery 5 also holds the data in the semiconductor memory, and the backup battery 6 is used only when the operation battery 5 is removed or the batteries are completely consumed. In many cases, power is supplied to the memory to hold the stored data.

[0005]

However, the above conventional configuration has the following problems. That is, the backup battery can be removed with the operation battery removed, or the operation battery can be removed with the backup battery removed, so that the operation battery and the backup battery are mistakenly removed. If both are removed, there is a problem that the stored data in the volatile semiconductor memory is lost. Particularly, recently, as the capacity of semiconductor memories has been increasing, much attention has been paid to this problem.

The present invention solves the above-mentioned problems of the prior art, and is a reliable portable electronic device equipped with a mechanism for preventing the stored data of a semiconductor memory from being accidentally or carelessly lost when a battery is replaced. An object of the present invention is to provide a portable electronic device that is a device and has a simple structure and is inexpensive.

[0007]

In order to achieve this object, a portable electronic device according to a first aspect of the present invention is provided with an operation battery storage portion for storing an operation battery as a main power source, and a semiconductor. A portable electronic device including a backup battery storage unit for storing a backup battery that holds data stored in a memory, the portable electronic device being arranged on an outer edge of the backup battery storage unit located above the operation battery storage unit. A backup battery removal opening is provided, a shaft support fixed to the back surface of the side wall of the operation battery storage, a link arm pivotally attached to the shaft support, and a shaft slidably attached to one end of the link arm. A shutter member that is attached to open and close the battery removal opening for backup, a hole formed in the side wall of the operation battery storage, and a hole slidably attached to the other end of the link arm to move in and out the hole. A detection member, It has an elastic member for holding one end portion in contact detection member members out, and the holding material formed in the side wall of the battery housing section backup elastic member, a structure provided with a.

A portable electronic device according to a second aspect of the present invention stores an operation battery storage portion for storing an operation battery as a main power source and a backup battery for holding data stored in a semiconductor memory. A portable electronic device including a backup battery storage portion, wherein the backup battery removal opening is located substantially parallel to the operating battery storage portion and is disposed on an outer edge of the backup battery storage portion. And a slit-shaped hole formed in the side wall of the battery compartment for operation and a backup battery removal opening that is inserted into the slit-shaped hole and covers the backup battery removal opening in the longitudinal direction. A rectangular sliding member having a notch communicating with the backup battery removal opening, an elastic body holding the sliding member, and a supporting portion supporting the elastic body are formed. It has a configuration which includes a main body housing.

A portable electronic device according to a third aspect of the present invention stores an operation battery storage portion for storing an operation battery as a main power source and a backup battery for holding data stored in a semiconductor memory. And a backup battery storage section for use in a portable electronic device, wherein the backup battery removal is provided at an outer edge of the backup battery storage section and is positioned substantially opposite to the operation battery storage section. The opening, the slit-shaped hole formed in the side wall of the battery housing for operation, the L-shaped sliding member inserted in the slit-shaped hole so as to be movable back and forth, and the sliding member are held. And a main body housing in which a support portion for supporting the elastic body is formed.

According to a fourth aspect of the present invention, there is provided a portable electronic device including an operation battery storage portion for storing an operation battery as a main power source and a backup battery for holding data stored in the semiconductor memory. A portable electronic device including a backup battery storage portion, wherein the backup battery removal opening is disposed at an outer edge of the backup battery storage portion and is positioned substantially opposite to the operation battery storage portion. And a slit-shaped battery hole for operation on the side wall of the battery compartment for operation, a slit-shaped battery hole for backup on the side wall of the battery housing for backup, a slit-shaped battery hole for operation and a backup battery A book in which a sliding member having an L-shape or a U-shape inserted in a hole so as to be movable back and forth, an elastic body for holding the sliding member, and a supporting portion for supporting the elastic body are formed. It has a configuration which includes a housing, a.

Here, the elastic body is made of spring, natural rubber, synthetic rubber, foam or the like. Further, the detection member, the link arm, the shutter member or the sliding member is made of a molded product such as plastic having rigidity and aluminum.

[0012]

With this configuration, the opening of the backup battery is closed by the shutter portion by detecting the removal of the operation battery when the operation battery is replaced, and the backup battery is replaced when the backup battery is replaced. Since the opening of the operating battery is closed by the shutter by detecting the removal,
You can prevent both batteries from being accidentally removed,
It is possible to prevent loss of stored data in the semiconductor memory.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A portable electronic device according to an embodiment of the present invention will be described below with reference to the drawings. In this embodiment, a portable electronic device shown in FIG. 5 similar to the conventional example, in which a cylindrical alkaline dry battery or the like is used as the operating battery, and a flat circular mercury battery or the like is used as the backup battery. The case is shown as an example.

(Embodiment 1) FIG. 1 is a partial cross-sectional view showing a power supply battery storage portion of a portable electronic device according to a first embodiment of the present invention, and FIG. 1 (a) shows a first embodiment of the present invention. FIG. 1B is a partial cross-sectional view showing a state in which a power supply battery of a portable electronic device according to an embodiment is stored, and FIG. It is a fragmentary sectional view showing a state. In FIG. 1, reference numeral 4 is a battery compartment for power supply, 5 is an operating battery serving as a main power source for using a portable electronic device, and 6 is a backup for holding data stored in a volatile semiconductor memory. A battery, 7 is an operation battery opening for inserting and removing an operation battery, 8 is an operation battery housing for housing the operation battery 5, 9 is a backup battery removal opening for removing the backup battery, and 10 is It is a backup battery storage unit that stores a backup battery. Reference numeral 11 is a detection member that detects the presence or absence of the operating battery 5, 12 is a spring that is an elastic body for sliding the detection member 11, and 13 is a shutter member that closes the backup battery removal opening 9. Reference numeral 14 is a link arm for connecting the detection member 11 at one end and the shutter member 13 at the other end for interlocking them, and 15 is a shaft support portion located in the middle of the link arm 14 for rotating the link arm 14. Reference numeral 18 is a holding material for the spring 12 formed on the side wall of the backup battery housing 10.

The operation of the portable electronic device having the above structure will be described below. First, it is assumed that both the operation battery 5 and the backup battery 6 are mounted in the power battery storage unit 4. At this time, the detection member 11 is pushed out from the operation battery storage portion 8 by mounting the operation battery 5, and the spring 12 is in a contracted state.
Here, generally, when the operating battery 5 is exhausted, the battery needs to be replaced. At this time, the operating battery 5 is removed from the operating battery opening 7 with a finger or the like. When the operation battery 5 is removed, the detection member 11 is pushed out into the operation battery storage portion 8 by the elastic force of the spring 12, and one end portion of the detection member 11 appears in the operation battery storage portion 8 like a protrusion. The protruding detection member 11 can be easily retracted with a finger or the like. Simultaneously with the movement of the detection member 11, the link arm 14 attached to the detection member 11 rotates about the shaft support 15 as a fulcrum, and the shutter member 13 connected to the other end of the link arm 14 has the backup battery removal opening 9 formed. Close up. This prevents the backup battery 6 from being removed. Therefore, during this period, the semiconductor memory is supplied with power from the backup battery 6 to retain the stored data.

As described above, the portable electronic device according to the present embodiment is a portable electronic device including the operating battery 5 and the backup battery 6, and the backup battery when the operating battery 5 is removed. Since a mechanism for preventing the removal of 6 is provided, it is possible to prevent the data stored in the semiconductor memory from being accidentally or carelessly lost when the operating battery 5 is replaced, and it is inexpensive and highly reliable. It is possible to realize an electronic device for use.

(Embodiment 2) FIG. 2 is a partial plan view showing a power supply battery housing portion of a portable electronic device according to a second embodiment of the present invention, and FIG. FIG. 2B is a partial plan view showing a state where the power supply battery of the portable electronic device according to the second embodiment is housed, and FIG. 2B shows the operating battery of the portable electronic device according to the second embodiment of the present invention. It is a partial top view which shows a detached state. 5 is an operation battery, 6 is a backup battery, 7 is an operation battery opening, 8 is an operation battery housing,
Reference numeral 9 is a backup battery removing opening, 10 is a backup battery housing, and 12 is a spring.
This is the same as the embodiment, and the same reference numerals are given and the description is omitted. Reference numeral 19 denotes a sliding member fitted in a slit-shaped hole (not shown) provided on the side wall of the operation battery storage portion 8, 20
Reference numeral 21 is a detection portion at one end of the sliding member 19 for detecting the presence or absence of the operating battery 5, and reference numeral 21 is a notch portion provided in the sliding member 19 for closing the backup battery removal opening 9 and a shutter portion. To do. Reference numeral 22 is a support portion that supports the spring 12 formed in the main body housing or the like (not shown).

The operation of the portable electronic device of the present embodiment having the above-described structure will be described below. First, it is assumed that both the operation battery 5 and the backup battery 6 are mounted in the power battery storage unit 4. At this time,
When the operation battery 5 is attached, the detection unit 20 is pushed out of the operation battery storage unit 8 and the spring 12 is in a contracted state. In this state, when the operation battery 5 is removed from the operation battery opening 7 with a finger or the like, the elastic force of the spring 12 pushes the detection unit 20 into the operation battery storage unit 8.
At the same time, the shutter portion 21 that is integrally connected to the detection member 20 closes the backup battery removal opening 9. This prevents the backup battery 6 from being removed. Therefore, during this period, the semiconductor memory is supplied with power by the backup battery 6 to retain the stored data.

As described above, the portable electronic device according to the present embodiment is a portable electronic device provided with the operating battery 5 and the backup battery 6, and the backup battery when the operating battery 5 is removed. The provision of the mechanism for preventing the removal of 6 can prevent the data stored in the semiconductor memory from being accidentally or carelessly lost when the operating battery 5 is replaced. Further, by arranging the detecting portion 20 and the shutter portion 21 integrally with the sliding member 19, it is possible to realize a cheaper and more reliable portable electronic device device than in the first embodiment.

(Embodiment 3) FIG. 3 is a partial plan view showing a power supply battery storage portion of a portable electronic device according to a third embodiment of the present invention. FIG. 3 (a) is a third embodiment of the present invention. FIG. 3B is a partial plan view showing a state where the power supply battery of the portable electronic device according to the embodiment is housed, and FIG. 3B is a detached state of the operating battery of the portable electronic device according to the third embodiment of the present invention. FIG. 5 is an operation battery, 6 is a backup battery, 7 is an operation battery opening, 8 is a dynamic operation battery storage,
Reference numeral 9 is a backup battery removal opening, 10 is a backup battery housing, and 12 is a spring.
Since it is exactly the same as the embodiment, the same reference numerals are given and the description is omitted. The present embodiment differs from the present embodiment in that an L-shaped sliding member 23 is inserted into a slit-shaped hole (not shown) provided in the side wall of the operating battery housing 8 and 24 is a sliding member. Two
A detection unit 25 at one end of 3 is a shutter unit provided on the sliding member 23 for closing the backup battery removal opening 9. Reference numeral 26 is a support portion that supports the spring 12 formed in the main body housing or the like (not shown). Here, the operation example and the effect are similar to those of the second embodiment, so that the same effect is obtained.

As described above, the present invention is not limited to the relative positions of the operation battery 5 and the backup battery 6 of the portable electronic device according to the second and third embodiments.

(Embodiment 4) FIG. 4 is a state diagram showing a power battery accommodating portion of a portable electronic device according to a fourth embodiment of the present invention. FIG. 4 (a) is a fourth embodiment of the present invention. FIG. 4B is a partial plan view showing a state in which the power supply battery of the portable electronic device is stored, and FIG. 4B is a portion of the portable electronic device according to the fourth embodiment of the present invention before the backup battery is removed. FIG. 4C is a partial cross-sectional view of the portable electronic device apparatus according to the fourth embodiment of the present invention after the backup battery is attached and detached. 5 is an operating battery, 6 is a backup battery,
Reference numeral 7 is an operation battery opening portion, 8 is an operation battery storage portion, 9 is a backup battery removal opening portion, 10 is a backup battery storage portion, and 12 is a spring, and these are the same as those in the first embodiment. The same reference numerals are given and the description is omitted. The difference from the first and second embodiments is that a structure for preventing loss of data stored in the semiconductor memory when the backup battery 6 is removed is shown. Here, 27 is a U-shape inserted into the slit-shaped hole provided on the side wall of the operation battery opening 7 and the slit-shaped hole provided on the side wall of the backup battery removal opening 9. Of the sliding member 27, 28 is a detecting portion around the inside of the U-shape of the sliding member 27, and 29 is a shutter portion provided on the sliding member 27 for closing the battery opening 7 for operation. Further, 30 is a support portion for supporting the spring 12 formed in the main body housing or the like (not shown), and 16 is a take-out pin for taking out the backup battery 6.

The operation of the portable electronic device of the present embodiment having the above-mentioned structure will be described below. First, it is assumed that both the operation battery 5 and the backup battery 6 are mounted in the power battery storage unit 4. At this time,
When the backup battery 6 is attached, the detection unit 28 is pushed out of the backup battery storage unit 10 and the spring 12 is in a contracted state. In this state, when the backup battery 6 is removed from the backup battery removal opening 9 by using the extraction pin 16 which is a thin rod, the elastic force of the spring 12 causes the detection unit 28 to be pushed back into the backup battery storage unit 10. Be done. At the same time, the shutter unit 29, which is integrated with and connected to the detecting unit 28, closes the operating battery opening 7. This prevents the operation battery 5 from being removed. Therefore, during this period, the semiconductor memory is supplied with power from the backup battery 6 to retain the stored data.

As described above, the portable electronic device according to the fourth embodiment of the present invention is different from the first to third embodiments.
When the backup battery 6 is removed, the operating battery 5
By providing the mechanism for preventing the removal of the backup battery 6, it is possible to prevent the data stored in the semiconductor memory from being accidentally or carelessly lost when the backup battery 6 is replaced. By integrating with the U-shaped sliding member 27, an inexpensive and highly reliable portable electronic device can be realized. In addition, in this embodiment, the sliding member 2 having a U-shape.
7 can be L-shaped.

[0025]

As described above, according to the present invention, there is provided a portable electronic device having an operating battery and a backup battery, wherein one battery is used as the operating battery and the backup battery by a simple mechanism. By providing a mechanism to prevent the other battery from being removed when it is removed, it is possible to prevent the data stored in the semiconductor memory from being accidentally or carelessly lost when the battery is replaced, making it inexpensive and highly reliable. It is also possible to realize a portable electronic device.

[Brief description of drawings]

FIG. 1A is a partial cross-sectional view showing a state in which a power supply battery of a portable electronic device according to a first embodiment of the present invention is stored. FIG. 1B is a portable electronic device according to a first embodiment of the present invention. Partial sectional view showing the detached state of the operating battery

FIG. 2 (a) is a partial plan view showing a state in which a power supply battery of a portable electronic device according to a second embodiment of the present invention is stored. (B) A portable electronic device according to a second embodiment of the present invention Partial plan view showing the detached state of the operating battery

FIG. 3 (a) is a partial plan view showing a state in which a power supply battery is housed in a portable electronic device according to a third embodiment of the present invention. (B) A portable electronic device according to a third embodiment of the present invention. Partial plan view showing the detached state of the operating battery

FIG. 4 (a) is a partial plan view showing a state in which a power supply battery is housed in a portable electronic device according to a fourth embodiment of the present invention. (B) A portable electronic device according to a fourth embodiment of the present invention. (C) Partial cross-sectional view of the backup battery of the apparatus before removal and attachment (c) Partial cross-sectional view of the backup electronic battery of the portable electronic device according to the fourth embodiment of the present invention after removal and attachment

FIG. 5A is a front view of a conventional portable electronic device device, and FIG. 5B is a rear view of a conventional portable electronic device device.

[Explanation of symbols]

 1 Portable Electronic Device 2 Power Switch 3 Liquid Crystal Screen 4 Power Battery Storage 5 Operation Battery 6 Backup Battery 7 Operation Battery Opening 8 Operation Battery Storage 9 Backup Battery Removal Opening 10 Backup Battery Storage 11 Detection Member 12 Spring 13 Shutter Member 14 Link Arm 15 Shaft Support 16 Extraction Pin 17 Hole 18 Holding Material 19, 23, 27 Sliding Member 20, 24, 28 Detection Section 21, 25, 29 Shutter Section 22, 26, 30 Support section

Claims (4)

[Claims] 1. A portable electronic device comprising: an operating battery housing portion for housing an operating battery serving as a main power source; and a backup battery housing portion for housing a backup battery for holding data stored in a semiconductor memory. A backup battery removal opening arranged at an outer edge of the backup battery storage portion located above the operation battery storage portion, and fixed to a back surface of a side wall of the operation battery storage portion. A shaft support part, a link arm pivotally mounted on the shaft support part, and a shutter member slidably mounted on one end of the link arm to open and close the backup battery removal opening.
A hole formed in the side wall of the operation battery storage portion, a detection member that is slidably attached to the other end of the link arm and that moves in and out of the hole, and is in contact with one end of the detection member. A portable electronic device device comprising: an elastic body held by the detection member; and a holding member for the elastic body formed on a side wall of the backup battery storage section. 2. A portable electronic device comprising: an operating battery housing portion for housing an operating battery serving as a main power source; and a backup battery housing portion for housing a backup battery for holding data stored in a semiconductor memory. A device for forming a backup battery, which is positioned substantially parallel to the battery compartment for operation and is arranged at an outer edge of the battery compartment for backup, and a side wall of the battery compartment for operation. And the backup battery removal opening that is inserted into the slit-shaped hole and covers the backup battery removal opening, and communicates with the backup battery removal opening on the side of the backup battery removal opening in the longitudinal direction. A rectangular sliding member having a notch portion, an elastic body that holds the sliding member, and a main body housing in which a supporting portion that supports the elastic body is formed. Portable electronic apparatus, characterized in that it comprises. 3. A portable device comprising: an operating battery housing portion for housing an operating battery serving as a main power source; and a backup battery housing portion for housing a backup battery for holding data stored in a semiconductor memory. An electronic equipment device, wherein a backup battery removal opening is provided at an outer edge of the backup battery storage portion and is positioned substantially opposite to the operation battery storage portion, and a side wall of the operation battery storage portion. A slit-shaped hole formed on the upper surface, an L-shaped sliding member inserted in the slit-shaped hole so as to be movable back and forth, an elastic body that holds the sliding member, and the elastic body. A portable electronic device device, comprising: a main body housing in which a supporting portion for supporting is formed. 4. A portable electronic device comprising: an operating battery housing portion for housing an operating battery serving as a main power source; and a backup battery housing portion for housing a backup battery for holding data stored in a semiconductor memory. A device, wherein the backup battery removal opening is provided at an outer edge of the backup battery storage portion and is positioned substantially opposite to the operation battery storage portion, and a slit is formed in a side wall of the operation battery storage portion. -Shaped battery hole for operation, slit-shaped battery hole for backup on the side wall of the battery housing for backup, and slit-shaped battery hole for operation and battery hole for backup that can be moved back and forth. A sliding member having an L-shape or a U-shape, an elastic body that holds the sliding member, and a main body housing having a support portion that supports the elastic body. Portable electronic device and wherein the the.