KR20120041451A - Projector reserved for mobile communication terminal - Google Patents

Projector reserved for mobile communication terminal Download PDF

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Publication number
KR20120041451A
KR20120041451A KR1020100102912A KR20100102912A KR20120041451A KR 20120041451 A KR20120041451 A KR 20120041451A KR 1020100102912 A KR1020100102912 A KR 1020100102912A KR 20100102912 A KR20100102912 A KR 20100102912A KR 20120041451 A KR20120041451 A KR 20120041451A
Authority
KR
South Korea
Prior art keywords
projector
mobile communication
communication terminal
data
unit
Prior art date
Application number
KR1020100102912A
Other languages
Korean (ko)
Inventor
김병진
Original Assignee
김병진
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김병진 filed Critical 김병진
Priority to KR1020100102912A priority Critical patent/KR20120041451A/en
Publication of KR20120041451A publication Critical patent/KR20120041451A/en

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/145—Housing details, e.g. position adjustments thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0272—Details of the structure or mounting of specific components for a projector or beamer module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telephone Function (AREA)
  • Projection Apparatus (AREA)

Abstract

The present invention relates to a projector dedicated to a mobile communication terminal, comprising: a data cable connected to a charging and data input / output terminal of the mobile communication terminal and an interface of the projector, respectively, to transmit data between the mobile communication terminal and the projector; A key input unit provided with a plurality of button keys, a control unit for performing data communication with the mobile communication terminal through the interface unit, and outputting a control signal according to the button key input from the key input unit, and data input by the control of the control unit. A memory unit for storing or outputting the stored data, a display unit for displaying the data received under the control of the controller or visually displaying the operation state of the projector, and a signal of a picture or an image included in the data received under the control of the controller. A video signal processor for processing and outputting a signal; A sound signal processor for processing and outputting the sound; A projector including a speaker for converting and outputting a call into an audible frequency; and when a data cable is connected to the mobile communication terminal and the projector, the controller of the projector is a picture file and a video stored in a storage device inside the mobile communication terminal. It reads a file and stores it in memory. The present invention provides convenience for viewing pictures or videos received from the mobile communication terminal from the mobile terminal to enlarge the screen or image, and supplies power for charging from the projector to the secondary battery of the mobile communication terminal. You can watch the video output for a longer time, and you can receive photos or video information from various IT devices with limited display size as well as mobile communication terminal and output it as enlarged video. And the visibility and readability of photos, videos or documents will be improved.

Description

Projector reserved for mobile communication terminal {Projector Reserved for Mobile Communication Terminal}

The present invention relates to a projector for a mobile communication terminal, and more particularly, to a projector for projecting and viewing a picture or video stored in a mobile communication terminal as a large image through a dedicated projector.

In general, a mobile communication terminal is a device for transmitting and receiving voice and data wirelessly, which is light and small enough to be held by one hand and provides convenience of portability. The mobile communication terminal includes various functions such as DMB, a camera, the Internet, an electronic dictionary, MP3, PMP, etc., as well as transmission and reception of data including voice and video by incorporating various technologies.

However, the conventional mobile communication terminal has a small display window, that is, a display, for use of the mobile communication terminal due to light weight and small size for convenience of portability. Therefore, due to the display of the limited resolution of the mobile terminal, there is a problem that visibility or readability is poor to view the embedded picture or to watch the DMB or video.

Moreover, the mobile communication terminal is equipped with a rechargeable secondary battery, but when watching DMB or video, power consumption required for driving the display is quickly consumed, which causes a short video playback time.

The present invention is to solve the above problems, an object of the present invention is to connect the projector with a mobile communication terminal and a data cable to receive a picture or video from the mobile communication terminal to be viewed on the enlarged screen in the projector.

In addition, another object of the present invention is to allow a mobile communication terminal connected with a projector and a data cable to receive power for charging from a projector to charge a secondary battery so that a user can view a picture or a video for a long time.

Another object of the present invention is to provide various types of connectors that are used in general for data cables connected to mobile communication terminals so as not to use a separate connector or gender for each mobile communication terminal.

In order to achieve the above object, the present invention provides a charging and data input / output terminal of a mobile communication terminal and a data cable respectively connected to an interface of a projector to transmit data between the mobile terminal and the projector; A key input unit provided with a plurality of button keys, a control unit for performing data communication with the mobile communication terminal through the interface unit, and outputting a control signal according to the button key input from the key input unit, and data input by the control of the control unit. A memory unit for storing or outputting the stored data, a display unit for displaying the data received under the control of the controller or visually displaying the operation state of the projector, and a signal of a picture or an image included in the data received under the control of the controller. A video signal processor for processing and outputting a signal, an optical processor for projecting the video signal processed by the video signal processor at a distance through a light source and a plurality of lenses, and audio or audio signals included in data received under control of the controller A sound signal processing unit for processing and outputting the sound, and a sound processed by the sound signal processing unit A projector including a speaker for converting and outputting a call into an audible frequency; and when a data cable is connected to the mobile communication terminal and the projector, the controller of the projector is a picture file and a video stored in a storage device inside the mobile communication terminal. The present invention provides a projector for a mobile communication terminal that reads a file and stores the file in a memory unit.

The present invention provides a convenience for receiving a picture or video from the mobile communication terminal from the projector to view the enlarged screen or image by the above solution means, the power supply for charging the secondary battery of the mobile communication terminal from the projector You can watch the video output from the mobile communication terminal for a longer time, and can receive the photo or video information from various IT devices with a limited display size as well as the mobile communication terminal to output the enlarged image and various IT devices and Provides compatibility and universality, and improves the visibility and readability of photos, videos, and documents.

1 is a block diagram showing a projector for a mobile communication terminal according to the present invention.
2 is a view showing an embodiment of a data cable connecting between a mobile communication terminal and a projector according to the present invention.
3 is a block diagram showing a key input unit of the projector according to the present invention.

Hereinafter, a projector for a mobile communication terminal according to the present invention will be described in detail with reference to the accompanying drawings.

First, the present invention is to connect the mobile communication terminal and the projector with a data cable, so that the projector receives a picture, a video or a document from the mobile communication terminal to be displayed on a screen or resolution of a certain size.

In FIG. 1, the mobile communication terminal 1 transmits / receives data through a data cable 30 connected to a charging and data input / output terminal 31 or receives power for charging a secondary battery, that is, a battery. The mobile communication terminal can be applied to any currently released terminal such as 2G (2G), 3G (3G) or 4G (4G).

The data cable 30 is connected between the mobile communication terminal 1 and the portable small projector 10 to transmit and receive data with each other. The data cable 30 has a predetermined length and is connected to the charging and data input / output terminal 2 of the mobile communication terminal 1 and the interface unit 12 of the projector 10, respectively. Furthermore, the connector 31 for connecting the terminal of the data cable 30 connected to the charging and data input / output terminal 2 of the mobile communication terminal 1 is provided in various sizes. This is to alleviate the inconvenience of using a separate conversion gender because the specifications are different for each mobile communication terminal 1.

In Fig. 2, the charging and data input / output terminals 2 of the mobile communication terminal 1 are mixed with a 24-pin terminal, a 20-pin terminal, a mini-USB terminal, a micro-USB terminal, and the like. Therefore, the 24-pin connector 31a, the 20-pin connector 31b, the mini-USB connector 31c, the micro-USB connector 31d, etc. can be selectively connected to the connector 31 for terminal connection. In addition, a USB connector may be applied to the data cable 30 connected to the projector 10 in addition to the mobile communication terminal 1 so as to be connected to an MP3, a PMP, a USB memory card, an electronic dictionary or a laptop.

In this way, a variety of connectors are provided which can be connected to match the terminal 31 for connecting terminals of various sizes provided in the mobile communication terminal 1. In addition, the data cable 30 is provided with a connector 32 for connecting the projector for connection with the interface unit 12 of the projector 10. The connector 32 for connecting the projector is applied with a conventional USB connector. The data cable 30 includes a pair of power lines and one or more data transmission lines. The power line supplies power for charging the rechargeable battery of the mobile communication terminal 1, that is, the secondary battery, from the projector 10, and the data transmission line transmits data between the mobile communication terminal 1 and the projector 10. It is to make it possible.

The interface unit 12 of the projector 10 is connected to the mobile communication terminal 1 through the data cable 30 to mediate transmission of data and power.

The key input unit 11 is provided with a plurality of button keys 11a-11e, which enable the function of the projector 10 to be activated by the selective input of the button keys. In FIG. 3, the button key is provided with a power button 11a for turning on or off the driving of the projector 10 and a sound control button 11b for adjusting the sound output to the speaker 19. . In addition, a color adjustment button 11c for adjusting the color or resolution of the image projected from the projector 10 is provided, and an image search capable of searching for data such as a picture or an image transmitted from the mobile communication terminal 1. A button 11d is provided, and a selection button 11e and the like for selecting data retrieved by the image search button 11d are included. In addition, the key input unit 11 may further include a button for driving the projector 10.

The control unit 15 performs data communication with the mobile communication terminal 1 through the interface unit 12, and operates the projector by driving the built-in program or software according to the input of the corresponding button key from the key input unit 11. It is to output the control signal. The controller 15 is a microcomputer or a microprocessor for the operation of the projector 10 is applied.

The memory unit 13 stores data input from the mobile communication terminal 1 through the interface unit 12 under the control of the controller 15 or outputs the stored data to the controller 15. That is, when the control unit 15 is connected to the mobile communication terminal 1 and the data cable 30, the control unit 15 receives data such as a picture, a video, or a document stored in the mobile communication terminal 1 and stores the data in the memory unit 13. In this case, the controller 15 may download and store the corresponding data stored in the mobile communication terminal 1 in the memory unit 13 or receive and store only the title or name of the corresponding data stored in the mobile communication terminal 1. The controller 15 displays the information of the received data through the display unit 20 so that the user can select the displayed data information. In addition, the controller 15 may include a dedicated program or a compatible program capable of driving the corresponding data received from the mobile communication terminal 1.

The display unit 20 displays data received from the mobile communication terminal 1 under the control of the controller 15 or visually displays the operation state of the projector 10. The display unit 20 is a display device made of LED, LCD or organic EL. The display unit 20 is provided with a touch screen so that the user can drive and control the operation of the projector 10 by a touch operation.

The image signal processor 16 processes and outputs a photo or video signal included in data received under the control of the controller 15. The optical processor 17 projects the image signal processed by the image signal processor 16 at a long distance through a light source and a plurality of lenses. Accordingly, when the image signal processor 16 processes a signal such as a photograph, an image, or a document into an image, the optical processor 17 causes the light emitted from the light source to be projected through a plurality of lenses.

The sound signal processor 18 processes and outputs a voice or sound signal included in data received under the control of the controller 15. The sound signal processing unit 18 detects and restores a sound or voice signal compressed by MP3 or a signal capable of reproducing a sound or voice signal included in a video. The restored voice or sound signal is converted into audible frequency through the speaker 19 and output. The speaker 19 is built in the projector 10 and outputs sound in mono or stereo.

In the projector for a mobile communication terminal of the present invention, when the data cable 30 is connected to the mobile communication terminal 1 and the projector 10, the control unit 15 of the projector 10 is connected to a storage device inside the mobile communication terminal 1. File information, such as stored picture files and video files, is read and stored in the memory unit 13. It is preferable that the controller 15 includes a program for reading the data together with the recognition of the mobile communication terminal 1.

The power supply unit 14 includes a rectifier for converting an externally applied alternating current (AC) into a direct current (DC), and a secondary battery for supplying a direct current power for driving the projector by charging the applied direct current power. Included. The power supply unit 14 supplies power for charging the rechargeable battery of the mobile communication terminal 1 through the data cable 30 via the interface unit 12. Therefore, it is to prevent the mobile communication terminal 1 from operating due to lack of power while reproducing and projecting a picture or video from the projector 10.

According to the present invention including such a configuration, when the mobile communication terminal 1 and the projector 10 are connected by the data cable 30, the controller 15 communicates with the mobile communication terminal 1 and takes a picture from the mobile communication terminal 1. Or data such as a moving picture or a document file is received through the interface unit 12 and stored in the memory unit 13. Although the received data may receive the entire stored information, it is better to receive only the name or title of the stored file information.

The controller 15 displays the received data information on the display unit 20. The user inputs the selection button 11d after searching for the information to be reproduced by reproducing with the image search button 11c of the key input unit 11. Then, the controller 15 receives the corresponding data information in the memory 13 or is transmitted from the mobile communication terminal 1 in real time. The control unit 15 allows the received data to be reproduced and projected through the image signal processing unit 16 and the optical processing unit 17, and the sound or sound is amplified and output through the sound signal processing unit 18 and the speaker 19. To be possible. If the projected image is projected on a wall or a separately prepared screen, the enlarged image can be enjoyed.

The projector of the present invention is small in size, light in weight, and convenient to carry, and when power is not supplied from the outside, the built-in secondary battery may be able to reproduce and project a picture or video from a mobile communication terminal for a predetermined time. Furthermore, the presentation, etc. may be possible while projecting a photo, video or document file stored in the mobile communication terminal to the projector.

As described above, the projector for a mobile communication terminal of the present invention allows a file such as a picture, a video, or a document stored in the mobile communication terminal to be viewed on a larger screen and resolution through the projector.

While the invention has been shown and described with respect to the specific embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. Anyone who has it will know it easily.

DESCRIPTION OF SYMBOLS 1 Mobile terminal 2: Charging and data input / output terminal 10: Projector 11: Key input part 11a: Power button 11b: Volume control button 11c: Color control button 11d: Image search button 11e: Selection button 12: Interface part 13: Memory part 14: power supply 15: control unit 16: video signal processing unit 17: optical processing unit 18: sound signal processing unit 19: speaker 20: display unit 30: data cable 31: terminal connector 31a: 24-pin connector 31b: 20-pin connector 31c: mini Connector 31d: Micro connector 32: Connector for connecting the projector

Claims (4)

A data cable connected to a charging and data input / output terminal of the mobile communication terminal and an interface of the projector, respectively, to transmit data between the mobile communication terminal and the projector;
A key input unit provided with a plurality of button keys,
A control unit for performing data communication with a mobile communication terminal through the interface unit, and outputting a control signal according to a button key input from a key input unit;
A memory unit for storing the data inputted under the control of the controller or outputting the stored data;
A display unit which displays data received under the control of the controller or visually displays the operation state of the projector;
An image signal processor for processing and outputting a signal of a photo or an image included in data received under control of the controller;
An optical processor for projecting the image signal processed by the image signal processor at a long distance through a light source and a plurality of lenses;
An audio signal processing unit for processing and outputting a voice or sound signal included in data received under control of the controller;
A projector including a speaker for converting the sound signal processed by the sound signal processor into an audible frequency and outputting the sound signal;
When the data cable is connected to the mobile communication terminal and the projector, the controller of the projector reads a picture file and a video file stored in a storage device inside the mobile communication terminal and stores it in a memory unit.
The projector of claim 1, wherein the data cable connected to the cellular phone comprises at least one of a 24-pin connector, a 20-pin connector, a USB connector, a mini-USB connector, and a microUSB connector.
The power supply unit of claim 1, further comprising a rectifier for converting an externally applied AC power into a DC power source, and a power supply unit including a secondary battery configured to charge the applied DC power to supply DC power required for driving the projector. Included projector for projector only.
The projector of claim 1, wherein any one of an MP3, a PMP, a USB memory card, an electronic dictionary, and a laptop is connected to a data cable connected to the projector.
KR1020100102912A 2010-10-21 2010-10-21 Projector reserved for mobile communication terminal KR20120041451A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100102912A KR20120041451A (en) 2010-10-21 2010-10-21 Projector reserved for mobile communication terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100102912A KR20120041451A (en) 2010-10-21 2010-10-21 Projector reserved for mobile communication terminal

Publications (1)

Publication Number Publication Date
KR20120041451A true KR20120041451A (en) 2012-05-02

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Application Number Title Priority Date Filing Date
KR1020100102912A KR20120041451A (en) 2010-10-21 2010-10-21 Projector reserved for mobile communication terminal

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109144621A (en) * 2017-06-16 2019-01-04 微软技术许可有限责任公司 Projector control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109144621A (en) * 2017-06-16 2019-01-04 微软技术许可有限责任公司 Projector control
US11663059B2 (en) 2017-06-16 2023-05-30 Microsoft Technology Licensing, Llc Projector control

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E601 Decision to refuse application