JP2005093277A - Auxiliary battery pack - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an auxiliary battery pack for a mobile communication terminal equipment with a camera function, capable of enhancing convenience of a user. <P>SOLUTION: In this auxiliary battery pack, power is supplied to a portable telephone 10 from a battery 59 stored in a battery storage part 51 through a feeding terminal serving as a feeding mechanism, in the same way as the conventional case. In addition, in this auxiliary battery pack 50, operating power is supplied to a stroboscopic optical system 53 from the battery 59 stored in the battery storage part 51 through a storage part 57. The stroboscopic optical system 53 irradiates illumination light to an object to be photographed in synchronization with the instructions for camera photographing by the shutter switch of a switching arrangement 52 serving as a shutter switch mechanism. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an auxiliary battery pack, and more particularly to an auxiliary battery pack for a mobile communication terminal device with a camera function.

  Conventionally, mobile communication terminal devices such as mobile phones have been widely used. Improvements in the functions and performance of such mobile communication terminal apparatuses are remarkable, and those having various functions in addition to the call function and e-mail transmission / reception function that are essential functions as mobile communication terminal apparatuses have appeared.

  In such mobile communication terminal devices such as mobile phones, the operating power is usually supplied from a built-in battery. The internal battery is gradually consumed when the mobile communication terminal device is energized. When the degree of wear reaches a certain level, the mobile communication terminal device cannot continue the operation.

For this reason, in order to continue the operation of the mobile communication terminal device even if the internal battery is exhausted, an auxiliary battery pack for supplying operating power in place of the internal battery when the internal battery is exhausted has been put into practical use. (See Patent Document 1). In such an auxiliary battery pack, when the built-in battery of the mobile communication terminal device is exhausted, an output terminal for power feeding is externally provided in the mobile communication terminal device so that power for operation is supplied from the battery stored in the auxiliary battery pack. It can be electrically connected to the input terminal for power supply.
JP-A-9-269852

  The conventional auxiliary battery pack described above is excellent in terms of improving the continuity of operation of the mobile communication terminal device itself. However, functions that the mobile communication terminal device itself does not have are not added to the mobile communication terminal device that is equipped with the auxiliary battery pack.

  By the way, in mobile communication terminals having various functions that have appeared in recent years, it is preferable to enhance the functions, but the mobile communication terminal device itself has auxiliary functions that are not installed from the viewpoint of battery capacity. . When the auxiliary battery pack is installed, there is a surplus in battery capacity as a whole compared to the case of only the mobile communication terminal device, so the mobile communication terminal device itself has an auxiliary function that was not installed from the viewpoint of battery capacity. Although it can be mounted on an auxiliary battery pack, no proposal has been made for mounting such an auxiliary function on the auxiliary battery pack.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an auxiliary battery pack for a mobile communication terminal device with a camera function that can improve user convenience.

  The auxiliary battery pack of the present invention is an auxiliary battery pack for a mobile communication terminal device with a camera function, a battery storage unit for storing a battery; and the mobile communication from the battery stored in the battery storage unit A power supply mechanism for supplying power to the terminal device; a shutter switch mechanism including a shutter switch for instructing camera photography by the mobile communication terminal device; operating power supplied from a battery stored in the storage unit; And a strobe optical system for irradiating illumination light to the object to be photographed in synchronization with a camera photographing command by a switch.

  In this auxiliary battery pack, similarly to the above-described conventional case, power is supplied from the battery stored in the battery storage unit to the mobile communication terminal device via the power supply mechanism. In this auxiliary battery pack, operating power is supplied from the battery stored in the battery storage unit to the strobe optical system. In other words, power is supplied from the battery stored in the battery storage unit to the mobile communication terminal device and the strobe optical system.

  The strobe optical system irradiates the object to be photographed with illumination light in synchronization with a camera photographing command by the shutter switch of the shutter switch mechanism. Here, since the power supply to the strobe optical system is a battery stored in the battery storage unit, a sufficient amount of illumination light can be captured from the illumination optical system without expending the internal battery of the mobile communication terminal device. Can be irradiated.

  That is, by using the auxiliary battery pack of the present invention, it is possible to realize power supply backup of the mobile communication terminal device and irradiation of a sufficient amount of strobe illumination light when the mobile communication terminal device operates the camera. Therefore, according to the auxiliary battery pack of the present invention, it is possible to improve the convenience of the user of the mobile communication terminal device with a camera function.

  In the auxiliary battery pack of the present invention, the shutter switch may be arranged at a position where the shutter switch for camera photographing in the mobile communication terminal device can be mechanically interlocked. In this case, with a simple configuration, when the shutter switch of the auxiliary battery pack is pressed, the camera shooting shutter switch in the mobile communication terminal device can be pressed in conjunction. As a result, even when the auxiliary battery pack is attached, the camera can be photographed by the same operation as the photographing command in the case of the mobile communication terminal device alone.

  In the auxiliary battery pack of the present invention, the shutter switch mechanism may have a switch lock setting unit that sets whether to lock the shutter switch. In this case, it is possible to prevent unnecessary camera photographing by appropriately setting the shutter switch lock setting or unlocking by the switch lock setting unit.

  In the auxiliary battery pack of the present invention, the shutter switch mechanism is configured to set whether to irradiate illumination light from the strobe optical system in synchronization with a camera shooting command by the shutter switch. It can be set as the structure provided with a part. In this case, the strobe shooting setting unit appropriately sets whether or not to irradiate the illumination light from the strobe optical system, so that the illumination light from the strobe optical system is photographed only when the strobe illumination light needs to be irradiated. The subject can be irradiated.

  In addition, the auxiliary battery pack of the present invention may further include a tripod connection mechanism for connecting a tripod. In this case, camera photography using a tripod can be performed by connecting the tripod via a tripod connection mechanism.

  As described above, according to the auxiliary battery pack of the present invention, it is possible to improve the convenience of the user of the mobile communication terminal device with a camera function.

  Hereinafter, position embodiments of the present invention will be described with reference to FIGS.

  1 and 2 show the external configuration of an auxiliary battery pack 50 according to an embodiment of the present invention. 1A is a left side view of the auxiliary battery pack 50, FIG. 1B is a front view of the auxiliary battery pack 50, and FIG. 1C is a right side view of the auxiliary battery pack 50. It is. FIG. 2 is a rear view of the auxiliary battery pack 50.

As shown in FIG. 1 and FIG. 2, the auxiliary battery pack 50 includes: (a) a battery storage unit 51 for storing the battery 59 therein; and (b) a user for giving a shooting command. And a switch device 52 having a shutter button 61 (see FIG. 6). The auxiliary battery pack 50 includes (c) a strobe optical system 53 having a flash lamp, and (d) an LED (Light Emitting Diode) 54 that displays that charging for light emission from the strobe optical system 53 has been performed. It has. The auxiliary battery pack 50 includes (e) a screw hole 55 as a tripod connection mechanism for connecting a tripod, and (f) power supply terminals 56 ₁ and 56 ₂ for supplying power from the battery 59 to the mobile phone 10. I have.

  Here, the mobile phone 10 to which the auxiliary battery pack 50 is attached will be described. The configuration of the cellular phone 10 is as shown in FIG. Here, FIG. 3A shows a front view of the appearance of the mobile phone 10, FIG. 3B shows a right side view of the appearance of the mobile phone 10, and FIG. A rear view of the appearance of the telephone 10 is shown.

  As shown in FIG. 3, the mobile phone 10 includes a first portion 11 and a second portion 12 that can rotate with respect to the first portion 11 about the axis AX1. The second portion includes a base portion 15 disposed on the first portion 11 side, and a display portion 16 that can rotate with respect to the base portion 15 about the axis AX2. Yes.

  On the operation surface side of the first portion 11 shown in FIG. 3A, (a) a communication operation unit 21 in which operation keys such as numeric keys and function keys are arranged, and (b) voice is input during a call. A microphone 22 is provided for the purpose. Here, the communication operation unit 21 is instructed to start a call process when a call or an e-mail is sent, and a call key for instructing a call process start when a call is received, and a short press during the communication process. It is assumed that an end call / power key for instructing a talk and instructing to turn on / off the power when pressed for a long time is included. If the end / power key is pressed for a short time between the incoming call and the start of the call, a simple answering machine is recorded.

  Further, (c) a shutter button 26 is arranged on the right side surface shown in FIG. 3B when the operation surface of the first portion 11 is the front surface. Further, on the back side of the operation surface of the first portion 11, as shown in FIG. 3C, (d) a sub-display 31 that performs auxiliary display, and (e) a ring tone or a guide sound. A guide speaker 32 for generating and (f) an image pickup unit 33 for picking up an image in the field of view of the imaging optical system are arranged. A terminal for receiving power from the outside is disposed on the side of the first portion 11 in FIG.

  3, the positional relationship between the base portion 15 and the display portion 16, that is, the position where the operation surface and the display surface of the main display 28 face each other when the second portion 12 is folded with respect to the first portion 11. Hereinafter, this relationship is referred to as “display unit non-rotating state”. In addition, a state in which the display unit 16 is rotated 180 degrees around the axis AX2 with respect to the 0-degree rotation state of the display unit 16 is hereinafter referred to as a “display unit 16 rotation state”.

  In the mobile phone 10 configured as described above, (i) the second portion 12 is in the unfolded state and the display unit is not rotated as shown in FIG. 3, (ii) FIG. As shown in FIG. 5, the second portion 12 is in the unfolded state and the display portion is in a rotated state. (Iii) As shown in FIG. 5, the second portion 12 is in the folded state and displayed. Camera shooting is possible in a mechanical state that is a part rotation state. Here, when the display unit 16 is rotated 180 degrees about the axis AX2 from the state of FIG. 3, the state of FIG. 4 is obtained. From the state of FIG. 4, when the second portion is rotated about the axis AX1 and folded with respect to the first portion, the state of FIG. 5 is obtained.

  When the camera is photographed in the state of FIG. 3, the viewing direction of the imaging unit 33 is directed to the opposite side to the user side direction when the user is viewing the display surface of the main display 28. The 28 display surface is used as a viewfinder, so that a so-called partner shooting can be performed. In addition, when performing camera shooting in the state of FIG. 4, the viewing direction of the imaging unit 33 is directed in the user side direction when the user is viewing the display surface of the main display 28. A so-called self-portrait imaging is possible using the display surface as a viewfinder. In addition, when performing camera shooting in the state of FIG. 5, the viewing direction of the imaging unit 33 faces in the direction opposite to the user side direction when the user is viewing the display surface of the main display 28. So-called partner shooting is possible.

  1 shows the state where the auxiliary battery pack 50 is attached to the mobile phone 10 in the state of FIG. 5, the auxiliary battery pack 50 is also attached to the mobile phone 10 in the state of FIG. 2 or FIG. can do.

Returning to FIG. 1, when the auxiliary battery pack 50 is attached to the mobile phone 10, the auxiliary battery pack 50 engages with the first portion 11 of the mobile phone 10 without covering the imaging unit 33, and the power supply terminal 56. ₁ and 56 ₂ is adapted to be connected to a terminal for receiving power supply from the outside as described above in the cellular phone 10. When the auxiliary battery pack 50 is attached to the mobile phone 10, the switch device 52 of the auxiliary battery pack 50 is disposed outside the shutter button 26 of the mobile phone 10. When the shutter button 61 in the switch device 52 is pushed down, the shutter button 26 of the mobile phone 10 is pushed down in conjunction with it.

In the auxiliary battery pack 50, as shown in FIG. 6, in addition to the battery storage unit 51, the switch device 52, the strobe optical system 53, the LED 54, and the power supply terminals 56 ₁ and 56 ₂ as elements that perform electrical functions. , A power storage unit 57 having a capacitor, and a diode 58. In addition, the switch device 52 has (i) the shutter button 61 described above, (ii) a lock mechanism 62 for setting whether or not the shutter button 61 is locked down, and (iii) the power storage unit 57. And a switch element 63 for setting whether or not to transmit a power supply command signal to the strobe optical system 53 when the shutter button 61 is depressed.

  Here, when the shutter button 61 is slid and set to the “LOCK” position shown in FIG. 1A, the depression of the shutter button 61 is locked. When the shutter button 61 is slid and set to the “OFF” position shown in FIG. 1A, the switch element 63 is in an open state, and the flash optical system 53 is activated by depressing the shutter button 61. The power supply command signal is not transmitted. Further, when the shutter button 61 is slid and set to the “ON” position shown in FIG. 1A, the switch element 63 is in an open state, and the strobe optical system 53 is released by pressing the shutter button 61 down. The power supply command signal is transmitted.

Returning to FIG. 6, the auxiliary battery pack 50 is housed in the battery housing portion 51, a battery (in this embodiment, connected in series two battery 59) with the negative side of the is connected to the power supply terminal 56 _2, the positive side It is connected to the power supply terminal 56 ₁ via the diode 58. Thus, power is supplied to the mobile phone 10 while preventing a short circuit with the internal power supply of the mobile phone 10 that supplies the operating power of the mobile phone 10 via a rectifying element such as a diode.

  In the auxiliary battery pack 50, power is supplied from the battery to the power storage unit 57. In the power storage unit 57, electric charges are accumulated by the electric power supplied from the battery. When the electric charge sufficient for the flash lamp of the strobe optical system 53 is accumulated, the LED 54 is turned on. In addition, when a power supply command signal to the strobe optical system 53 is received from the switch device 52, a charge for light emission operation is supplied to the strobe optical system 53.

As described above, the auxiliary battery pack of this embodiment, as in the case of the above-mentioned conventional, the battery 59 housed in the battery housing portion 51, via the power supply terminals 56 _1, 56 ₂ is powered mechanism Power is supplied to the mobile phone 10. In the auxiliary battery pack 50, operating power is supplied to the strobe optical system 53 from the battery 59 stored in the battery storage unit 11 via the power storage unit 57. The strobe optical system 53 irradiates the object to be photographed with illumination light in synchronization with a camera photographing command by the shutter switch 61 of the switch device 52 that is a shutter switch mechanism. That is, by using the auxiliary battery pack 50 of the present embodiment, it is possible to realize power supply backup of the mobile phone 10 and irradiation of a sufficient amount of strobe illumination light when the mobile phone 10 operates the camera. Therefore, the convenience of the user of the mobile communication terminal device with a camera function can be improved.

  Further, the shutter button 61 switch in the switch device 52 is disposed at a position where the camera photographing shutter switch in the mobile phone 10 can be mechanically interlocked. As a result, when the shutter switch 61 of the auxiliary battery pack 50 is pressed, the shutter button 26 of the mobile phone 10 can be pressed in conjunction. For this reason, even when the auxiliary battery pack 50 is mounted, the camera can be photographed by the same operation as the photographing command in the case of the mobile phone 10 alone.

  In addition, the switch device 52 includes a lock mechanism 62 that sets whether to lock the shutter button 61. For this reason, it is possible to prevent unnecessary camera shooting by appropriately setting the lock or unlock of the shutter button 61.

  In addition, the switch device 52 may include a switch element 63 that sets whether to irradiate illumination light from the strobe optical system 53 in synchronization with a camera photographing command by the shutter button 61. Therefore, by appropriately setting whether or not the illumination light is emitted from the strobe optical system 53 by the switch element 63, the illumination light from the strobe optical system 53 is photographed only when irradiation with the strobe illumination light 53 is necessary. The subject can be irradiated.

  Further, the auxiliary battery pack 50 of the present embodiment further includes a screw hole 55 for connecting a tripod. For this reason, camera photography using a tripod can be performed by connecting the tripod via a screw hole.

  In the above-described embodiment, the switch device 52 that can set three states “LOCK”, “OFF”, and “ON” by sliding the shutter button 61 is employed. On the other hand, what can set three states by fixing the position of the shutter button and sliding the surrounding members can be used instead of the switch device 52. Further, as shown in FIGS. 7 and 8, switch devices 52 ′ and 52 ″ capable of setting three states by rotating the shutter button can be employed instead of the switch device 52.

  In the above-described embodiment, the shutter button 26 of the mobile phone 10 is pressed mechanically while the shutter button 61 of the auxiliary battery pack 50 is pressed, so that the shutter of the auxiliary battery pack 50 is pressed. An imaging command by pressing the button 61 is transmitted to the mobile phone 10. On the other hand, an electrical shooting command signal may be generated by a shooting command by pressing the shutter button 61 of the auxiliary battery pack 50 and transmitted to the mobile phone 10. Further, an optical shooting command signal may be generated by a shooting command by pressing the shutter button 61 of the auxiliary battery pack 50, and the shooting command signal may be transmitted to the mobile phone 10.

  In the above embodiment, the auxiliary battery pack attached to the mobile phone 10 has been described. However, the present invention can be applied to an auxiliary battery pack attached to a mobile phone of a form other than the mobile phone 10. Furthermore, it goes without saying that the present invention can be applied to mobile communication terminal devices other than mobile phones.

  As described above, the present invention is useful for an auxiliary battery pack for a mobile communication terminal device having a camera function.

It is FIG. (1) which shows schematically the external appearance structure of the auxiliary | assistant battery pack which concerns on one Embodiment of this invention. It is FIG. (2) which shows schematically the external appearance structure of the auxiliary | assistant battery pack which concerns on one Embodiment of this invention. It is FIG. (1) which shows schematically the external appearance structure of the mobile telephone with which the auxiliary | assistant battery pack which concerns on one Embodiment is mounted | worn. It is FIG. (2) which shows schematically the external appearance structure of the mobile telephone with which the auxiliary | assistant battery pack which concerns on one Embodiment is mounted | worn. It is FIG. (The 3) which shows schematically the external appearance structure of the mobile telephone with which the auxiliary | assistant battery pack which concerns on one Embodiment is mounted | worn. It is a block diagram for demonstrating the internal structure of the auxiliary | assistant battery pack which concerns on one Embodiment. It is a figure for demonstrating a modification (the 1). It is a figure for demonstrating a modification (the 2).

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Mobile phone (mobile terminal device), 11 ... 1st part, 12 ... 2nd part, 15 ... Base part, 16 ... Display part, 21 ... Operation part for communication, 22 ... Microphone, 26 ... Shutter button, 28 ... main display, 29 ... call speaker, 31 ... sub-display, 32 ... guidance speaker, 33 ... imaging unit, 50 ... auxiliary battery pack, 51 ... battery storage unit, 52 ... switch device (shutter switch mechanism), 53 ... Strobe optical system, 54 ... LED, 55 ... Screw hole (tripod connection mechanism), 56 ₁ , 56 ₂ ... Feed terminal (feed mechanism), 57 ... Power storage unit, 58 ... Diode, 59 ... Battery, 61 ... Shutter button ( Shutter switch), 62... Lock mechanism (switch lock setting section), 63... Switch element (strobe shooting setting section), AX1, AX2.

Claims (5)

An auxiliary battery pack for a mobile communication terminal device with a camera function,
A battery compartment for housing the battery;
A power supply mechanism for supplying power from the battery stored in the battery storage unit to the mobile communication terminal device;
A shutter switch mechanism including a shutter switch for instructing camera photography by the mobile communication terminal device;
An auxiliary battery pack comprising: a strobe optical system that is supplied with operating power from a battery housed in the housing portion and that irradiates illumination light to an object to be photographed in synchronization with a camera photographing command by the shutter switch.   2. The auxiliary battery pack according to claim 1, wherein the shutter switch is disposed at a position where a shutter switch for camera photographing in the mobile communication terminal device can be mechanically interlocked.   The auxiliary battery pack according to claim 1, wherein the shutter switch mechanism includes a switch lock setting unit configured to set whether to lock the shutter switch.   The shutter switch mechanism includes a strobe shooting setting unit that sets whether to irradiate illumination light from the strobe optical system in synchronization with a camera shooting command by the shutter switch. The auxiliary battery pack according to any one of Items 1 to 3. The auxiliary battery pack according to any one of claims 1 to 4, further comprising a tripod connection mechanism for connecting a tripod.

Images