CN201984679U - Handheld electronic typoscope with self-adjusting viewing distance - Google Patents

Handheld electronic typoscope with self-adjusting viewing distance Download PDF

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Publication number
CN201984679U
CN201984679U CN2011201005606U CN201120100560U CN201984679U CN 201984679 U CN201984679 U CN 201984679U CN 2011201005606 U CN2011201005606 U CN 2011201005606U CN 201120100560 U CN201120100560 U CN 201120100560U CN 201984679 U CN201984679 U CN 201984679U
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China
Prior art keywords
unit
storage unit
handheld electronic
voice
sighting distance
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CN2011201005606U
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Chinese (zh)
Inventor
肖珂
曾凡锋
鲁远耀
童立靖
宋丽华
付晓玲
王景中
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North China University of Technology
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North China University of Technology
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Abstract

The utility model discloses a handheld electronic typoscope with a self-adjusting viewing distance in the technical field of image processing equipment. The handheld electronic typoscope comprises a user interaction keystroke unit, a lens module unit with adjustable focal distance, an auxiliary light source unit, a voice input unit, a voice output unit, a display unit, a USB interface unit, an AV (Audio-Video) output interface unit, a system program memory unit, a data cache unit, and an external data memory unit, and further comprises an SOC (System on a Chip) image processor unit connected with the above-mentioned units and a power supply unit connected with all the rest units. By adopting the handheld electronic typoscope, real-time scaling, as well as record and play back to graphics or images to be seen can be realized, and light source compensation to the graphics or images can also be realized.

Description

Automatically regulate the handheld electronic typoscope of sighting distance
Technical field
The utility model belongs to the image processing equipment technical field, relates in particular to a kind of handheld electronic typoscope of automatic adjusting sighting distance.
Background technology
Typoscope is the aid that helps visually impaired people's (comprising personage with visual disabilities and old man etc.) to read.At present, the technology that typoscope adopts is based on the special image processor, gathers digital micromirror head mould group shot image data, and the Applied Digital image processing techniques is handled view data, and the image after will handling then is presented at lcd screen in real time and reads for the user.
Existing handheld electronic typoscope is gathered literal or material object, can only be in the focal length allowed band of camera lens module, can not be too near, and again can not be too far away.Too closely or too far the literal of collection or material object are thickened, cause discrimination to reduce.In addition, most of handheld electronic typoscopes can only freeze picture, and the image that fixes can not be preserved, and more can not record a video to literal or material object.
Summary of the invention
At the problems referred to above that the handheld electronic typoscope exists, the utility model proposes a kind of handheld electronic typoscope of automatic adjusting sighting distance, be used to address this problem.
For achieving the above object, the technical scheme of employing of the present utility model is, a kind of handheld electronic typoscope of automatic adjusting sighting distance is characterized in that described electronic viewing aid comprises camera lens module group unit, secondary light source unit, voice-input unit, voice-output unit, display unit, usb interface unit, AV output interface unit, system program storage unit, data buffer storage unit, external data storage unit, the power supply unit of SOC image processor units, user interactions push-button unit, adjustable focal length;
Described power supply unit links to each other with the external data storage unit with camera lens module group unit, secondary light source unit, voice-input unit, voice-output unit, display unit, usb interface unit, AV output interface unit, system program storage unit, the data buffer storage unit of SOC image processor units, user interactions push-button unit, adjustable focal length respectively;
Described SOC image processor units links to each other with the external data storage unit with camera lens module group unit, secondary light source unit, voice-input unit, voice-output unit, display unit, usb interface unit, AV output interface unit, system program storage unit and the data buffer storage unit of user interactions push-button unit, adjustable focal length respectively.
The zoom times of digital of the camera lens module group unit of described adjustable focal length is smaller or equal to 32 times.
Described voice-input unit is built-in microphone or External micro phone.
Described voice-output unit is a loudspeaker.
Described display unit is the LCD LCDs.
Described secondary light source unit adopts LED light emitting diode or LED light emitting diode matrix.
Described system program storage unit adopts nonerasable memory.
Described data buffer storage unit adopts erasable memory.
Described external data storage unit is a kind of in SD card, miniSD card or the TF card.
The camera lens module group unit of described SOC image processor units, user interactions push-button unit, adjustable focal length, secondary light source unit, voice-input unit, voice-output unit, display unit, usb interface unit, AV output interface unit, system program storage unit, data buffer storage unit and external data storage unit are produced on the same circuit board.
The utility model can carry out convergent-divergent to helping literal or the image looked in real time, is helped literal or the image looked to become clear thereby make; Simultaneously, help image or the video looked can be recorded on the external data storage unit, make things convenient for interested image of user's playback at any time or video; In addition, brightness can be regulated according to actual environment for use in the secondary light source unit, more helps to help the identification of looking literal or image.
Description of drawings
Fig. 1 is a structural drawing of regulating the handheld electronic typoscope of sighting distance automatically.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment is elaborated.Should be emphasized that following explanation only is exemplary, rather than in order to limit scope of the present utility model and application thereof.
Fig. 1 is a structural drawing of regulating the handheld electronic typoscope of sighting distance automatically, among Fig. 1, the handheld electronic typoscope of the automatic adjusting sighting distance that the utility model provides comprises camera lens module group unit, secondary light source unit, voice-input unit, voice-output unit, display unit, usb interface unit, AV output interface unit, system program storage unit, data buffer storage unit, external data storage unit, the power supply unit of SOC image processor units, user interactions push-button unit, adjustable focal length.
Wherein, power supply unit links to each other with the external data storage unit with camera lens module group unit, secondary light source unit, voice-input unit, voice-output unit, display unit, usb interface unit, AV output interface unit, system program storage unit, the data buffer storage unit of SOC image processor units, user interactions push-button unit, adjustable focal length respectively, with thinking that said units provides operating voltage.
The SOC image processor units links to each other with the external data storage unit with camera lens module group unit, secondary light source unit, voice-input unit, voice-output unit, display unit, usb interface unit, AV output interface unit, system program storage unit and the data buffer storage unit of user interactions push-button unit, adjustable focal length respectively.
In the utility model, the SOC image processor units is based on the integrated circuit modules with transaction ability of SOC (system on a chip) (System on a Chip).It is except the input and output of image processing function commonly used (comprising that literal or image to gathering carry out binary conversion treatment, denoising and color transformed processing etc.), control voice, the camera lens module group unit that also is used to control adjustable focal length is focused automatically, starts the secondary light source unit according to the environment needs and carries out the light source compensation.
The camera lens module group unit of adjustable focal length, is gathered to help and is looked literal or image by focusing in order under the control of SOC image processor units.
The secondary light source unit is used for the light source that affords redress under the relatively poor environment of light condition, thereby makes helping of collecting look literal or image is more clear.
Voice-input unit can provide the function of phonetic entry for the user.The user can look literal or image in conjunction with voice with helping, and is made into video file and is stored in the external data storage unit.
Voice-output unit is used for when playing the video file of external data storage unit storage the sound signal of video file being exported by voice-output unit.
Display unit both can show in real time that helping of collecting looked literal or image, can also export the vision signal of the video file of external data storage unit storage.
Usb interface unit is used for carrying out data interaction with external unit, also is used to the power supply unit charging.When usb interface unit links to each other with computing machine, can be by the data of computer access external data storage unit.
AV output interface unit is used for external connection monitors (as common TV etc.), and the user can watch the image file and the video file of external data storage unit storage by external connection monitors.
The program that the system program storage unit need be called in order to storage SOC image processor units comprises secondary light source unit starting program that focusing program, the image processing program that carries out Flame Image Process, control secondary light source unit that the camera lens module group unit that makes adjustable focal length focuses automatically are luminous etc.Said procedure all is the requisite program of handheld electronic typoscope of regulating sighting distance automatically, therefore need be placed in advance in the storer that can not wipe.So in the utility model, the system program storage unit is preferably used the storer that can not wipe.
Data buffer storage unit is used for program and the data that buffer memory SOC image processor units uses, and the helping of camera lens module group unit collection that also is used for the buffer memory adjustable focal length looked literal or image.Behind system cut-off, program and data in the above-mentioned data buffer storage unit are deleted automatically.Therefore, in view of the reason that reduces cost, data buffer storage unit preferably uses erasable memory.
The button of user interactions push-button unit by being provided with, the user is provided the interactive operation to the handheld electronic typoscope of automatic adjusting sighting distance, the user can look literal or image by helping of buffer memory in the keyed access data buffer storage unit, and checks to help by display unit and look literal or image information; Also can look literal or image information stores the external data storage unit into by helping of will viewing of button.The user can also look literal or image information and video file by helping of keyed access external data storage unit storage.
The camera lens module group unit of above-mentioned SOC image processor units, user interactions push-button unit, adjustable focal length, secondary light source unit, voice-input unit, voice-output unit, display unit, usb interface unit, AV output interface unit, system program storage unit, data buffer storage unit and external data storage unit can be produced on the same circuit board or on the pcb board.
In the utility model, the digital zoom scope of the camera lens module group unit of adjustable focal length is in 32 times.Preferred built-in microphone of voice-input unit or External micro phone.Voice-output unit is preferably loudspeaker.Display unit preferably adopts the LCD LCDs.The secondary light source unit adopts LED light emitting diode or LED light emitting diode matrix.The external data storage unit adopts storage organization flexibly, preferably uses a kind of in SD card, miniSD card or the TF card.
Automatically the power supply unit of regulating the handheld electronic typoscope of sighting distance can use lithium battery.Lithium battery has chargeable function, and can be lithium cell charging with usb interface unit when usb interface unit is connected with computing machine.
The utility model can fix in real time and be helped literal or the image of looking, and can carry out convergent-divergent to helping literal or the image looked in real time by regulating the focal length of camera lens module group unit automatically, is helped literal or the image looked to become clear thereby make; Simultaneously, help image or the video looked can be recorded on the external data storage unit, make things convenient for interested image of user's playback at any time or video; In addition, brightness can be regulated according to actual environment for use in the secondary light source unit, more helps to help the identification of looking literal or image.
The above; it only is the preferable embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.

Claims (10)

1. a handheld electronic typoscope of regulating sighting distance automatically is characterized in that described electronic viewing aid comprises camera lens module group unit, secondary light source unit, voice-input unit, voice-output unit, display unit, usb interface unit, AV output interface unit, system program storage unit, data buffer storage unit, external data storage unit, the power supply unit of SOC image processor units, user interactions push-button unit, adjustable focal length;
Described power supply unit links to each other with the external data storage unit with camera lens module group unit, secondary light source unit, voice-input unit, voice-output unit, display unit, usb interface unit, AV output interface unit, system program storage unit, the data buffer storage unit of SOC image processor units, user interactions push-button unit, adjustable focal length respectively;
Described SOC image processor units links to each other with the external data storage unit with camera lens module group unit, secondary light source unit, voice-input unit, voice-output unit, display unit, usb interface unit, AV output interface unit, system program storage unit and the data buffer storage unit of user interactions push-button unit, adjustable focal length respectively.
2. the handheld electronic typoscope of a kind of automatic adjusting sighting distance according to claim 1, the zoom times of digital of camera lens module group unit that it is characterized in that described adjustable focal length is smaller or equal to 32 times.
3. the handheld electronic typoscope of a kind of automatic adjusting sighting distance according to claim 1 is characterized in that described voice-input unit is built-in microphone or External micro phone.
4. the handheld electronic typoscope of a kind of automatic adjusting sighting distance according to claim 1 is characterized in that described voice-output unit is a loudspeaker.
5. the handheld electronic typoscope of a kind of automatic adjusting sighting distance according to claim 1 is characterized in that described display unit is the LCD LCDs.
6. the handheld electronic typoscope of a kind of automatic adjusting sighting distance according to claim 1 is characterized in that described secondary light source unit adopts LED light emitting diode or LED light emitting diode matrix.
7. the handheld electronic typoscope of a kind of automatic adjusting sighting distance according to claim 1 is characterized in that described system program storage unit adopts nonerasable memory.
8. the handheld electronic typoscope of a kind of automatic adjusting sighting distance according to claim 1 is characterized in that described data buffer storage unit adopts erasable memory.
9. the handheld electronic typoscope of a kind of automatic adjusting sighting distance according to claim 1 is characterized in that described external data storage unit is a kind of in SD card, miniSD card or the TF card.
10. the handheld electronic typoscope of a kind of automatic adjusting sighting distance according to claim 1 is characterized in that camera lens module group unit, secondary light source unit, voice-input unit, voice-output unit, display unit, usb interface unit, AV output interface unit, system program storage unit, data buffer storage unit and the external data storage unit of described SOC image processor units, user interactions push-button unit, adjustable focal length is produced on the same circuit board.
CN2011201005606U 2011-04-08 2011-04-08 Handheld electronic typoscope with self-adjusting viewing distance Expired - Lifetime CN201984679U (en)

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CN2011201005606U CN201984679U (en) 2011-04-08 2011-04-08 Handheld electronic typoscope with self-adjusting viewing distance

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Application Number Priority Date Filing Date Title
CN2011201005606U CN201984679U (en) 2011-04-08 2011-04-08 Handheld electronic typoscope with self-adjusting viewing distance

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105430239A (en) * 2014-04-24 2016-03-23 全视技术有限公司 Wireless Typoscope
CN109670445A (en) * 2018-12-19 2019-04-23 宜视智能科技(苏州)有限公司 Low vision aid intelligent glasses system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105430239A (en) * 2014-04-24 2016-03-23 全视技术有限公司 Wireless Typoscope
CN109670445A (en) * 2018-12-19 2019-04-23 宜视智能科技(苏州)有限公司 Low vision aid intelligent glasses system

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Granted publication date: 20110921