RU2422919C2 - Method of messaging and system for realising said method (versions) - Google Patents

Abstract

FIELD: information technology.

SUBSTANCE: method of messaging audio and/or video signals involves generation of electrical signals of the message source, processing electrical signals of the message source, amplifying and emitting the signals. Spatial orientation of the message emitters in the direction of the region of space for receiving messages is carried out through operation of an automated system which is adapted to receive and process auxiliary infrared signals emitted from the region of space for receiving messages to the region of space where the automated system is located. Auxiliary signals are generated through operation of a device for automatic generation of auxiliary signals which can be placed on the clothes or body of a person. Like a beacon, that device emits, for example, infrared signals and enables automatic aiming of the corresponding emitter of the system onto a user, for example, turning the screen of a plasma television, computer or speakers towards the person. In another version of the system, the additional signals used are optical or infrared signals are re-reflected or emitted by the person. Said signals are received using a video or infrared camera and are processed in units of the automated system.

EFFECT: improved messaging system.

22 cl, 10 dwg

Description

The invention relates to radio engineering and can find application in systems for transmitting audio signals and video signals, for example, in television systems, computers, home cinemas and high-quality sound reproduction systems.

State of the art

Well-known systems for transmitting messages containing a signal source, a signal processing unit of the source, an amplifier, as well as an emitter, which has the ability to change its position in space. As the transmitted message and the corresponding emitter can be rotating emitters of sound signals or emitters of video signals, made, for example, in the form of a monitor or plasma TV panel. The emitter is reoriented by the user in manual mode. This allows you to more accurately orient the emitters towards the organs of hearing or vision of a person and due to this more accurately transmit the corresponding signal from the emitter to the receiver (receiver) of messages.

The disadvantage of such systems is that the user, in order to reorient, for example, the screen, needs to move in space from the area of the message receiving space to the emitter, spend time and sometimes make considerable efforts to turn, for example, a heavy, stiff-turning plasma TV panel. Such actions require a certain time, distract the user from the process of obtaining and perceiving information and contribute to the appearance of some negative effects.

For example, when you rotate the laptop’s LCD screen, the user may touch the screen or webcam with the greasy fingers and contaminate it.

The invention is known a method of transmitting messages and a system for its implementation (RF application No. 2004117755).

In this invention, an automated system is used to orient the emitters in the direction of the message receiving space region. Moreover, the automated system is configured to receive and process auxiliary signals emitted from the area of the space for receiving messages in the area of the space of the location of message emitters. As a radiator of auxiliary signals in the invention it is proposed to use a remote control system for transmitting messages. The automated system allows you to receive infrared (IR) signals emitted by the system remote control and turn the emitters in the direction from which these signals come, i.e. towards the user of this system.

The disadvantage of this method of transmitting messages is the need for the user to carry out actions in the manual mode to generate additional signals, for example by pressing a button on the remote control of the system. In some situations, this is not convenient. In addition, the user can arbitrarily to a significant extent change the position of the remote control in relation, for example, to his organs of vision or hearing. Accordingly, the position of the panel will change the position of the emitters of the system and the accuracy of their orientation with respect to the hearing organs and / or vision of the user is reduced. In addition, not all messaging systems are equipped with remote controls. Many modern computers as standard do not have remote controls.

A known group of inventions (RU 2106075 C1, 02.27.1998; RU 2145446 C1, 10.02.2000; RU 2038704 C1, 06.27.95), which describe systems for transmitting messages with feedback and multi-band processing of electrical signals of a transmitted message and feedback signals in a special processing unit. Signal processing makes it possible to determine the discrepancy of the spectrum of the received signal with respect to the spectrum of the transmitted message and, in accordance with these distortions, to form the component-wise predistorted signal of the message source at the block output. And also to generate signals for active noise reduction.

Known invention is a method of transmitting messages using feedback, a method of actively reducing noise (RU 2320012 C2, 03/20/2008). This invention describes a message transmission system with feedback and multi-band, component-wise signal processing, in which some of the most time-consuming signal processing operations are carried out in a remote powerful computer, such as an Internet server.

The disadvantage of systems with electronic signal processing can be considered the need for a large margin of the dynamic range to compensate for possible distortions. This greatly complicates the system and increases power consumption.

Disclosure of invention

The problem solved by the invention is to increase the accuracy of transmitted messages at audio frequencies and / or video signals.

The technical result is the expansion of functionality and ease of use of the system for transmitting audio and / or visual messages, reducing the requirements for the stock of dynamic range.

The problem is solved in that in the known method of transmitting messages, which consists in generating electrical signals of the message source, processing the electrical signals of the message source by means of the signal processing unit, amplifying by the amplifier and radiation by the emitter the processed signals of the message source, spatial orientation of the message emitters in the direction of the space region receiving messages through the operation of an automated system configured to receiving and processing additional signals emitted from the region of the space for receiving messages in the region of the space of the location of the automated system, according to the invention generate additional signals by means of a device for automatically generating additional signals.

Possible implementations of the method, such that:

- a device for automatically generating additional signals is performed with the possibility of its placement on the clothes or body of a person receiving signals from a message source;

- sound signals are used as messages; sound emitters are used as emitters of processed source signals;

- the signal processing unit is configured to pre-emphasize the signals of the message source in manual mode;

- in the area of the space for receiving messages, a sensing device is arranged for generating electrical feedback signals, these signals are transmitted to the signal processing unit via the feedback line, and the signal processing unit is configured to automatically frequency-energy and / or time-frequency predistortion electrical signals source;

- in the space region close to the noise source, an additional sounding device is arranged for generating electrical signals of the noise source, these signals are transmitted to the signal processing unit via an additional communication line, and the signal processing unit is configured to generate signals designed to actively reduce the noise signals in areas of the message receiving space;

- the automated system is performed in the form of a stand for the emitter, containing photoelectric receivers that provide spatial selection of signals from the device for automatically generating additional signals, a rotating part kinematically connected with an electric motor and designed to install a message emitter on it, as well as nodes for determining the rotation angle of a rotating parts relative to the housing of the stand and the formation of signals for controlling an electric motor;

- the automated system is placed in the housing of the device containing the emitter of signals, for example, a laptop, speakers or stand for the plasma panel of the TV, and the housing of the device is configured to rotate relative to the surface on which the housing is located, through at least three wheels, although one of which has a kinematic connection with an electric motor controlled by a device for determining the angle of rotation of the housing relative to the surface on which it is located, and to receive additional signals als using photocells, such as photodiodes, fixed to the body to receive additional signals from different directions;

- a device for automatically generating additional signals is performed in the form of a pulse shaper, a current amplifier and an LED connected in series;

- the device for generating pulses is made in the form of a human motion sensor and pulse shaper, which determines the period of following the pulses emitted by the LED and is launched into operation by means of a human motion sensor;

- a vibration sensor is used as a motion sensor;

- a microphone is used as a motion sensor;

- video signals are used as messages, video signal emitters are used as emitters of processed source signals;

- the screen of a stationary computer or TV, laptop, or portable DVD player is used as a message emitter;

- part of the most time-consuming operations for processing signal sources of messages is carried out in a powerful remote computer (server) connected to the corresponding system for transmitting messages via, for example, the Internet;

- As the emitter of messages, the screen of a laptop or DVD player with several sweeping displays is used.

The problem is solved in the known method of orientation in the space of the device containing the emitter of message signals through the work of an automated system, configured to receive and process additional signals emitted by the device for generating additional signals from the area of the space of the message to the area of the location of the automated system, characterized in that the automated system is located in the device housing containing the signal emitter with communication, which operate rotatably with respect to the surface on which the housing is by at least three wheels, wherein at least one of the wheels has a driving connection with an electric motor controlled by an automated system.

Possible implementations of the method, such that:

- as a device containing a message emitter, a sound column, a laptop, a DVD player or a stand for the screen of a plasma TV or a liquid crystal computer monitor are used;

- infrared signals are used as additional signals, which form in manual mode by means of the infrared control panel;

- infrared signals are used as additional signals, which are formed by means of the device for automatically generating auxiliary signals;

- to receive additional signals using photoelectric detectors, such as photodiodes or photoresistors, which are installed in the housing with the ability to receive additional signals from different sides from the housing of the device containing the emitter.

The problem is solved in that in the known method of transmitting messages, which consists in generating electrical signals of the message source, processing electrical signals of the message source by means of the signal processing unit, amplification by the amplifier and radiation by the emitter of the processed signals, the spatial orientation of the message emitters in the direction of the message receiving space through the operation of an automated system configured to receive and process additional signals emitted from the region of the space for receiving messages to the region of the space of the location of the automated system and the formation of signals controlling the operation of the electric motor, according to the invention, light waves reflected from a person or heat waves emitted from a person are used as auxiliary signals, and at least at least one video or infrared camera, while the automated control system is configured to abotki signal from the camera through the image recognition of a person, to determine its position relative to the chamber, generating a control signal to the electric motor, which is a human error signal relative to the camera position.

Possible implementations of the method, such that:

- the message source, the processing unit, the amplifier and the emitter are made in the form of a laptop or DVD player, configured to rotate the housing and / or screen relative to the housing of the device through an automated system;

- part of the most time-consuming operations for processing signals from a message source or camera signals is carried out in a powerful remote computer (server) connected to a system for transmitting messages via, for example, the Internet.

These advantages, as well as features of the present invention will become apparent during consideration of the following possible embodiments of the invention with reference to the accompanying drawings.

Brief Description of the Drawings

Figure 1, 2 shows a generalized structural diagrams of systems for transmitting messages using an automated emitter orientation system.

Figure 3-4 shows a generalized structural diagram of a system for transmitting messages according to the invention.

Figure 5 shows a generalized block diagram of a device for automatically generating additional emissions.

Figure 6, 7 shows the circuit diagrams of devices for automatically generating additional emissions.

On Fig schematically shows the design of an automated orientation system of emitters, made in the form of a stand for a plasma TV or computer monitor.

Figure 9 schematically shows the design of a laptop equipped with an automated laptop screen orientation system, mounted in a laptop case.

Figure 10 shows a block diagram of a program for processing signals from a typical video camera installed in a laptop.

The best embodiment of the invention

It is possible to improve the accuracy of message transmission in systems for reproducing sound and / or visual signals by creating automated systems in which distortions associated with the inconsistency of message channel properties, as well as distortions arising in electronic components and system components, are automatically monitored and compensated. .

In the most general case, noise may appear in the communication or transmission channel due to noise sources external to the system. For example, extraneous noise may enter the listening room. Noise and distortion of signals also exist in the electronic components of the system. In addition, it is possible to change in time the transfer function of the communication channel associated with a change in time of the location of the point of transmission and / or reception of a message or with a change in time of the physical parameters of the communication channel. A user of a sound reproducing or video system can change his position with respect to emitters of sound and video signals, respectively. As a result, the received (listened or watched) signal can acquire significant distortion.

For example, when viewing video signals from various angles on plasma notebook monitors, the contrast, the brightness of the video signal changes, the proportions of the observed objects are violated, and the spectrum of audio signals is greatly distorted. The distortion of the spectrum of sound signals occurs due to the presence of radiation patterns of the emitters, their poor acoustic consistency with the cases of the devices in which they are mounted. The distortion of the spectrum of the signal at the point of its receipt also occurs due to external noise and unsatisfactory acoustic properties of the listening or viewing room itself (due to the effect of reverberation of sound signals, due to the presence of bright external emitters or spurious glare and reflections from the screen of the emitter).

Currently, there are a large number of different ways to compensate for the above distortions.

A large number of methods are known for linear and nonlinear processing of electrical signals of transmitted messages. As well as methods for transmitting messages, when, for example, during the transmission of signals of one physical nature, some auxiliary signals of another physical nature are formed and the entire transmission channel, for example, of audio messages is executed with feedback, and for transmitting feedback signals, for example, radio signals . All these methods can be conditionally divided into methods for compensating and minimizing signal distortions in one node or in all nodes of the communication system from the signal source to the receiver (receiver) of the message. These methods involve appropriate actions implemented in manual, semi-automatic or fully automatic modes. For example, the equalizer can be controlled manually by the listener himself, based on his own ideas about high-quality sound and the corresponding ratios of signal components at different frequencies. The equalizer can be controlled automatically. The system itself can set the optimal predistortions of the transmitted signal in exact accordance with the feedback signals.

It is possible to reduce distortions associated, for example, with the inaccurate orientation of the emitter to the listener manually, by turning the emitter or using automatic devices.

The subject of this invention are methods that increase the accuracy of transmitted messages using automatic systems.

It is known that to compensate for distortion of message signals in the communication channel, you can use the method described in the invention, the method of transmitting messages and a system for its implementation (RF application No. 2004117755).

This invention describes a method and an automated system that allows you to register the current location of the message recipient with respect to the emitters of the system and turn the emitters towards the location of the message recipient, as well as carry out a number of additional steps to process the electrical signals of the transmitted messages.

Figure 1, 2 shows variants of generalized structural diagrams of systems for transmitting messages described in this invention.

The system shown in FIG. 1 comprises: a signal electrical signal source 1, an electric signal processing unit 2 of a source 1, an amplifier 3, an emitter 4, a communication channel 5 with interference 6 generated by a noise source 7, a message receiving area 8 (for example, the position of the listener or viewer).

The system also includes: emitter 9 of additional signals 10 and an automated system 11 for orienting the emitter 4 in the direction of a point (or region) 8 of the message receiving space.

As a source 1 of message signals, any well-known devices can be used (radios, video cameras, television signal tuners, tape recorders, CD or DVD players, hard drives, etc.).

As the signal processing unit 2 of the system shown in FIG. 1, any known embodiment of the signal processing units from the outputs of the respective signal sources (filters or equalizers with manual control, video signal generating units, microprocessor devices, etc.) can be used.

As amplifiers 3 can be used any known nodes for amplifying audio or video signals.

As emitters 4 can be used loudspeakers, monitors, picture tubes, plasma TVs, computers, DVD players.

In the above invention, for most household messaging systems, it is proposed to use a remote control of the messaging system as the emitter 9 of additional signals. For example, a remote control of a music center, a TV that can emit infrared signals. In this case, the automated system 11 is configured to receive and process IR signals 10 from the console 9.

The system shown in FIG. 1 operates as follows.

When a person uses the remote control from the corresponding system, for example, adjusts the sound volume or switches the TV channel, the remote control emits infrared impulse signals, which, in addition to their main function, perform a new function - the function of the emitter 9 of additional signals 10.

Thus, the remote control is used for dual purposes.

The IR signals emitted by the remote control are received and processed through the operation of the corresponding nodes of the automated system 11. The purpose of these nodes is to determine the direction from which the IR signals 10 are emitted and turn the emitter 4 of the signal source signals to this side.

Reception of IR signals can be carried out by means of photocells, for example, by means of several (about 2-60) photodiodes or photoresistors located at an angle to each other with the possibility of receiving IR signals 10 from the remote control from different sides (for example, from all possible directions) from the emitter 4 and converting them into electrical signals.

For example, the automated system 11 can be made in the form of a slewing ring type stand for the corresponding emitter 4 (stand for a computer monitor, plasma TV or speaker). Inside such a stand, in addition to photodiodes, there are also nodes of the automated system 11 for recording the current angular position of the rotating part of the platform of the support-rotary device relative to the fixed body. As such nodes can be used, for example, optocouplers or microswitches. Through these nodes, pulses of the angular position of the rotating platform relative to its fixed part are formed. Received IR signals 10 from the control panel of the system and electrical signals that record the current position of the slewing ring are processed according to a certain algorithm in the electronic nodes of the system 11. As a result of processing these signals, electrical signals are generated that control the electric motor or motors of the automated system 11 so that emitter 4 (or emitters 4, for example, a plasma panel with loudspeakers) changes its spatial position and automatically rotates to that thoron, were rejected from further signals 10. That is, in the direction of the point (or area) of the space 8 receiving messages where the emitter 9 (control) additional signals 10 and accordingly the user (listener or viewer).

Figure 2 shows a variant of a generalized structural diagram of a system for transmitting messages using an automated system 11 to orient the emitter 4 to a point (or region) 8 of the message receiving space, supplemented by nodes that improve the accuracy of the transmitted message by automating the operation of the source signal processing unit 2 1 posts. This automatic processing is performed on the electrical signals of the message source 1 in block 2 so that they are predistorted and make it possible to compensate for those types of distortions that cannot be compensated only by turning the emitter towards the message recipient.

The need to introduce these nodes into the system is due to the fact that when reproducing sound signals at low and medium frequencies, only due to the turn of the emitter (column) towards the receiver of the message (listener), it is not possible to completely minimize the distortion of the signal spectrum at the point of receipt of the message. This is due to the fact that the vast majority of domestic premises have unsatisfactory acoustic properties. In such rooms, multiple reflections of the signal from walls and other objects occur, and also the place of listening to message signals can change randomly with respect to the speakers. In addition, external noise may occur in the listening room.

As a result, the spectrum of the audio signal is greatly distorted.

To automatically compensate for these types of signal distortions, as additional nodes, the system may include a sensing device 12 for generating electrical feedback signals and a feedback line 13 for transmitting feedback signals to the signal processing unit 2.

As a result of processing the signals from source 1 and the feedback signals received at the inputs of block 2, it is possible to automate, for example, the process of setting up an optimal, self-adjusting filter, which is part of signal processing block 2, and adjust the frequency-energy and / or time-frequency predistortion of the electrical signals of the source 1.

Introduction to the system for transmitting messages of nodes 12, 13 allows, in particular, to automate the work of the equalizer or corrector of the phase-frequency or time-frequency characteristics of the optimal filter.

The use of automatic tuning nodes of the optimal filter of the signal processing unit 2 allows you to further increase the accuracy of message transmission compared with the structural diagram shown in Figure 1, where, for example, the user must manually adjust the equalizer by ear.

It is well known that with manual tuning, the equalizer cannot be adjusted as accurately and quickly as the automated signal processing unit 2 can do.

The operation of all nodes of such an automated unit 2 is described in detail in the above invention, as well as in patent patents.

1, 2 dotted line shows additional nodes designed to actively reduce external acoustic noise, which can be used in systems for high-quality sound reproduction in conditions of increased level of external noise.

To generate electrical signals of the noise source, an additional sounding device 14 is used. It is placed close to the noise source 7. For example, close to a computer fan, which is the source of acoustic noise.

The electrical signals of the noise source are transmitted to the signal processing unit 2 by means of an additional communication line 15. And the signal processing unit 2 is configured to generate signals intended to actively reduce the noise signals in the area 8 of the message receiving space. The signals generated in the processing unit 2 for active noise reduction are then amplified and emitted to the point or area 8 of the message. These signals are superimposed on the noise signals in antiphase and as a result, the total noise level at the point or area 8 of the message is reduced.

The nodes 14, 15, 2 can significantly improve the accuracy of the transmission of audio messages in a specially adapted channel 5 message transmission, where there is strong noise and interference 6. The operation of such message transmission systems can be found in the above invention.

A disadvantage of the described systems for transmitting messages can be considered the remoteness of the location of the emitter 9 of additional radiation from the hearing organs or the user's vision, since the user holds the control panel in his hand. As a result of this, the accuracy of pointing the sources 4 of message signals to the area 8 of receiving messages (organs of hearing or sight of a person) can vary significantly depending on the position of the user's hand and its distance from the automated system 11.

In addition, there may be situations when the user can change his location without the desire to somehow change the operating mode of the messaging system through the remote control system (9). In this situation, the automated system 11 will not be able to track the user's movement in space, and the user will receive messages in a distorted form until he uses the remote control system.

The technical solution according to the present invention is aimed at improving the above-described automated system 11, designed to automatically direct the emitter 4 to the user.

In the framework of the present invention, several technical solutions (options) are proposed that are expedient to apply for a particular video or audio system. The combined use of these technical solutions in one system is also possible.

According to the first embodiment, the above-described message transmission systems shown in FIGS. 1, 2 are proposed to be improved by automating the process of generating additional emissions 10 by means of a device 16 for automatically generating additional signals 10.

The device 16 can be performed with the possibility of its placement on the clothes or body of a person operating a similar messaging system.

Figure 3-4 shows the structural diagrams of systems for transmitting messages according to the invention. As you can see, they differ from analogues in the presence of a new node - device 16.

The device 16 can be made in the form of a functionally complete hotel unit 16 with an autonomous power source or it can be structurally combined with a remote control 9 of the system, as shown in Figures 3-4.

The device 16 can be performed, for example, in the form of a miniature keychain with a fastener or Velcro, a badge, fountain pen, hair clip, glasses, earphone, bracelet so that the user can quickly place it on his clothes or body.

The preferred arrangement of the device 16 near the organs of hearing and / or vision of a person. In this case, the accuracy of the pointing of the emitter 4 to the corresponding human organs and the accuracy of the transmission of messages will be maximum.

In the simplest embodiment, a cost-effective IR pulse emitter made in the form of a pulse shaper 17, a current amplifier 18, and an infrared LED 19 connected together in series, as shown in FIG. 5, can be used as a device 16.

An example circuit diagram of the device 16 is shown in Fig.6.

The pulse shaper 17 is assembled on the elements DD1.1-DD1.3, the current amplifier 18 is assembled on the elements DD1.4-DD1.6 and the transistor VT1. The generated pulses are fed to the current amplifier through a differentiating chain (R3, C2). Due to which it is possible to significantly reduce the duration of the generated pulses and reduce the level of energy consumption from the power source.

7 shows an embodiment of a device 16 using two coupled multivibrators. The multivibrator assembled on the elements DD1.1-DD1.2 determines the parameters of the packet of generated pulses, and the multivibrator assembled on the elements DD1.3-DD1.4 determines the pulse repetition rate. The current amplifier 18 is assembled on the elements DD2.1-DD2.4 and transistors VT1-VT2.

In more complex embodiments, the device 16 may include an encoder, and in the embodiment for the economical use of the energy source, it may include a human motion sensor and / or a sound sensor, by means of which the pulse generator 17 is launched.

Using as these sensors, for example, a microphone connected to an amplifier, a low-pass filter, a detector and an integrator, it is possible to activate the operation of the pulse shaper 17 during the movement of a person and / or while the user is receiving audio messages with a certain spectrum. In the absence of movement and / or sounds, the device 16 goes into sleep mode and practically does not consume energy from an autonomous power source.

Designs and circuit diagrams of an automated system 11 may also be different. Electronic nodes of the system 11 can be performed on various elemental bases (analog, digital or in the form of appropriate programs).

As already noted, such devices can be implemented as separate devices, for example, swivel stands for the corresponding emitter 4, which the user can purchase as additional accessories for sound reproducing or video equipment purchased by him earlier.

Another embodiment of an automated system is also possible 11. It can be structurally located in the housing of the corresponding device containing the emitter 4. For example, it can be located in the laptop, in the stand of the plasma panel of a computer or television monitor, in a portable DVD player, in a sound column .

On Fig schematically shows the main nodes of the automated system 11, made in the form of a stand under the computer monitor or plasma panel.

The support includes: a housing 18 with holes 19, which provide spatial selection of IR signals in a certain solid angle 20. As well as photodiodes 21, designed to convert IR signals falling into the solid angle 20 into electrical received additional signals, and optocouplers 22 located on electrical circuit boards. As well as an electric motor 23, connected by means of a gearbox to a rotating platform 24 of the stand, on which the emitter 4 is placed (for example, a stand with a monitor or plasma TV panel).

The rotating platform 24 of the stand has a protruding part in the form of a shutter 25, which when turning the rotating platform 24 blocks the light flux between the emitters and receivers of the optocouplers 22 and provides the outputs of the optocouplers with the formation of pulse signals of the angular position of the rotating platform 24 with respect to the stationary housing 18 of the stand. The electrical signals from the outputs of the optocouplers 22 and photodiodes 21 are processed by the nodes of the electronic circuit of the automated system 11 and signals are generated at its output that control the operation of the electric motor 23.

The operation of the entire messaging system does not change compared to the analogue.

After turning on the device 16, it constantly or from time to time generates and emits infrared signals with a certain frequency. For example, in the form of pulses with a repetition rate of the order of 30-45 kHz or in the form of bursts of pulses at the same frequencies with a burst duration of, for example, about 0.1-1 sec and an interval between bursts of about 0.5-5 sec.

The IR signals emitted by the device 16 are received by the photodiodes 21 and processed by the electronic components of the automated device 11, by means of which signals are generated that control the operation of the electric motor 23, the rotating platform 24 is rotated and the emitter 4 is guided to the device 16 and, accordingly, to the message recipient (listener and / or viewer).

There are other possible design options for the automated system 11.

For example, figure 9 schematically shows the main nodes of the automated system 11, mounted in a laptop or portable DVD player.

A feature of this technical solution is the absence of a bulky rotating platform 24 as such. The actual case of the device 18, such as a laptop, rotates relative to the surface (such as a table) on which it is located.

The rotation of the laptop is carried out due to the wheels 26 located tangentially to a certain circle of radius R relative to the center of rotation at point O (Fig. 9).

The total number of wheels must be at least three. Moreover, at least one of the wheels must be kinematically connected with the electric motor 23.

As nodes for recording the angle of rotation of the housing 18 relative to the previous position, photocells made in the form of a photo emitter (laser or LED) 27, a photodetector 28 and reflective elements deposited on the side surface of the wheel 26 can be used, through which pulses of the angle of rotation of the wheel and the housing are formed eighteen.

The number of these pulses is calculated by the corresponding nodes of the automated system 11 to provide the necessary angle of rotation of the laptop relative to its previous position, corresponding to the exact orientation to the user.

Thus, the user initially, manually installing the laptop exactly opposite himself (device 16) and turning it on, sets the initial conditions for the automated system 11. During software download, the automated system 11 is calibrated and the number of the corresponding photodiode 21 is written to the computer’s memory, relative to which In the future, the notebook will be rotated when the user moves. In a variant, the specified calibration can be carried out automatically - according to the preset data of the software developer. But at the same time, the device 16 should be as accurately as possible in the recommended location.

9, a dotted line shows an additional electric motor 23 with a gearbox that can rotate the laptop screen (4) in a vertical plane. For this, additional photodiodes 21 can be installed at the edges of the laptop screen, capable of selectively receiving signals in a vertical plane.

The principle of operation of the nodes for adjusting the angle of the screen is the same. Having established (calibrated) the initial angle of inclination, in the future the angle of inclination of the screen will automatically change according to the position of device 16 (user).

If an electronic device contains several emitters 4, for example, a sound column contains several loudspeakers or, for example, the screen of a computer or DVD player is made in the form of several expandable displays, then for each emitter (screen, speaker, speaker) the proposed method can be applied.

For devices containing a computer, it is advisable to use as far as another way of automatically pointing emitters to the user. It differs from the above in that, as additional radiation, it is possible to use not infrared signals that are generated and radiated towards the automated system 11 by means of a conventional remote control or device 16 for automatically generating additional signals 10, but signals that a person emits or reflects in infrared or in the visible part of the spectrum. Moreover, as receivers of these signals, the automated system 11 may contain one or more video or infrared cameras 29. For this purpose, for example, standard video cameras 29, which are equipped with most modern laptops, may be suitable.

In this embodiment, the automated system 11 is configured to process signals from the camera 29 by operating an appropriate program for recognizing a person’s image, determining its position relative to the camera 29, and generating a control signal to the electric motor 23, which is a signal of the mismatch of the person’s position relative to the camera 29. screen can give a very high accuracy of its orientation to the human organs of vision.

Such signal processing can be carried out by various algorithms, for example, cyclically, every 0.5-30 seconds, or, for example, every time you turn on or restart the computer.

A large number of various programs and algorithms for processing signals from video cameras 29 are possible. For example, FIG. 10 shows a block diagram of one of the possible programs for processing signals from a typical video camera 29 installed in a laptop screen 4.

After loading the computer system, the program for forming the first photograph from the video camera 29 is turned on. The resulting image is processed for the purpose of searching for a human image on it.

Here, various options are possible, from the simplest programs for determining the contours of objects and comparing them with a database of typical images of people to complex programs that can recognize the face of the person who was previously entered by the user in the database in the form of a corresponding photo file.

If the image of a person in the first photo is not detected, then the program for forming the delay time for generating the next photo from the camera is included in the work. For example, the next photograph will be formed in 0.1-10 seconds. Or the next image will be formed at the next boot of the computer. The user can program the delay time independently or the necessary parameter can be entered at the stage of system loading in the form of initial presets for the parameters of this program.

If a person’s image is found in the photo, then the program for analyzing the position of the person’s image relative to the camera or what is the same with respect to the borders of the photograph is included in the work, for example, the position of the organs of vision, hearing or the center of the head relative to the borders of the photograph is calculated. This analysis is carried out in stages for horizontal and vertical planes. In accordance with the detected inconsistency in the position of the image relative to the center of the image, signals are generated that are sent to the electric motors 23, which rotate the stand - the keyboard and the screen of the laptop case so that in the next photo with the number - ι the image of the person is shifted to the center.

This process occurs iteratively until the image of the person appears in the center of the photo with some accuracy, which can also be set by the user or set automatically in the form of standard preset parameters.

For example, the accuracy of pointing the screen at the center of the user's head can be set on the order of 1-5 degrees. After adjusting the position of the screen and pointing it at the user's eyes, this state is fixed for a while in accordance with the user's presets so that the next photograph will be formed and analyzed, for example, after 0.1-10 seconds or only after the next computer is turned on and the system reboots .

In accordance with the newly identified changes in the user's position in relation to the computer, another adjustment of the position of the emitter 4 (screen) will be carried out. It is clear that, by software, it is possible to set, for example, the initial setting mode of the position of the screen 4 in two planes, and subsequently adjust only in one plane. For example, adjust only the angle of the screen 4 laptop.

The above method of pointing the emitter to the user of the system can be used, for example, in HI-End class systems, home theaters for high-precision orientation, for example, speakers or their speakers to the human hearing. For this purpose, miniature video cameras 29 are installed on each speaker or loudspeaker of a speaker, such as a home theater, for example. The signals from their outputs are processed, for example, cyclically, on a multi-function computer - signal processing unit 2, which can also process electrical signals from a source in real time messages, feedback signals and signals from sources of possible noise and interference, as suggested in well-known analogues. Communication between the speakers and the central processor (signal processing unit 2) can be arranged wirelessly. For example, using infrared or radio communication channels.

It is also possible that some of the most time-consuming signal processing operations are carried out in a powerful remote computer (server) connected to the corresponding system for transmitting messages via, for example, the Internet, as suggested in RF patent No. 2320012.

Industrial applicability

The invention can be used in television or sound reproducing systems, as well as in computer technology.

Claims (22)

1. The method of transmitting messages, which consists in generating electrical signals of the message source, processing the electrical signals of the message source through the signal processing unit, amplifying by the amplifier and emitting through the emitter the processed signals of the message source, the spatial orientation of the message emitters in the direction of the message receiving space region by means of an automated system configured to receive and process additional signals, radiation generated from the region of the space for receiving messages to the region of the space of the location of the automated system, characterized in that the additional signals are generated automatically by means of a device for automatically generating additional signals, made in the form of a pulse shaper, a current amplifier and an LED connected in series with the possibility of its placement on clothing or body a person receiving signals from a message source close to the organs of hearing and / or vision and provided with autonomous regular enrollment power. 2. The method according to claim 1, characterized in that the device for automatically generating additional signals is performed in the form, for example, of a miniature keychain with a fastener or Velcro, an icon, a fountain pen, a hair clip, glasses or a headphone so that the user can quickly place it on your clothes or body. 3. The method according to claim 1, characterized in that the sound signals are used as messages, the sound signal emitters are used as emitters of the processed source signals. 4. The method according to claim 1, characterized in that the signal processing unit is configured to pre-emphasize the signals of the message source in manual mode, for example, using filters or an equalizer with manual control. 5. The method according to claim 3, characterized in that in the region of the space for receiving messages, a sensing device is arranged for generating electrical feedback signals, these signals are transmitted to the signal processing unit via the feedback line, and the signal processing unit is configured to automatically frequency -energy and / or time-frequency predistortions of the electrical signals of the source. 6. The method according to claim 3, characterized in that in the space region near the noise source, an additional sounding device is arranged for generating electrical signals of the noise source, these signals are transmitted to the signal processing unit by means of an additional communication line, and the signal processing unit is performed with the ability to generate signals designed to actively reduce noise signals in the area of the space for receiving messages. 7. The method according to claim 1, characterized in that the automated system is implemented as a stand for the emitter, containing photoelectric receivers, providing spatial selection of signals from the device for automatically generating additional signals, a rotating part kinematically connected with an electric motor and intended for installation on it emitter of messages, as well as nodes for determining the angle of rotation of the rotating part relative to the housing of the stand and the formation of signals for controlling electric th. 8. The method according to claim 1, characterized in that the automated system is placed in the housing of the device containing the emitter of signals, for example, a laptop, speakers or DVD player, the housing of the device being rotatable relative to the surface on which the housing is located, at least three wheels, at least one of which has a kinematic connection with an electric motor controlled by a device for determining the angle of rotation of the housing relative to the surface on which it is located, and for receiving an additional Of these signals, photocells, for example, photodiodes or photoresistors, are installed in the housing and provide spatial selection of signals from the device to automatically generate additional signals from different sides of the housing. 9. The method according to claim 1, characterized in that the device for automatically generating additional signals is equipped with a motion sensor, which is designed to start the pulse shaper. 10. The method according to claim 9, characterized in that a vibration sensor is used as a motion sensor. 11. The method according to claim 9, characterized in that a microphone is used as a motion sensor. 12. The method according to claim 1, characterized in that video messages are used as messages, video signal emitters are used as emitters of processed source signals. 13. The method according to p. 12, characterized in that as the emitter of messages used the screen of a stationary computer, laptop or portable DVD player. 14. The method according to p. 12, characterized in that as the emitter of the messages used the screen of a laptop or DVD player with several expandable displays. 15. The method of transmitting messages, which consists in generating electrical signals of the message source, processing the electrical signals of the message source by means of the signal processing unit, amplifying by the amplifier and emitting by the emitter the processed signals of the message source, the spatial orientation of the message emitters in the direction of the space region of receiving messages through the operation of an automated system configured to receive and process additional signals, radiation readable from the area of the space for receiving messages to the space area of the location of the automated system through the operation of the device for generating additional signals, characterized in that the automated system is placed in the body of the device containing the emitter of message signals, which can rotate relative to the surface on which the housing is located help of at least three wheels, and at least one of the wheels has a kinematic connection with an electric motor, yaemym automated system, and for receiving the additional signals are used photoelectric detectors, for example photodiodes or photoresistors mounted in the housing and provides spatial selection signals from a device for generating additional signals from different sides of the housing. 16. The method according to p. 15, characterized in that as a device containing a message emitter, a speaker, laptop or DVD player are used. 17. The method according to clause 15, wherein an infrared remote control is used as a device for generating additional signals, and additional signals are generated in manual mode by pressing one of the buttons on the remote control. 18. The method according to p. 15, characterized in that as a device for generating additional signals using a device designed to automatically generate additional signals. 19. The method of transmitting messages, which consists in generating electrical signals of the message source, processing the electrical signals of the message source by means of the signal processing unit, amplifying the processed signals by the amplifier and emitting by the emitter, spatial orientation of the message emitters in the direction of the message receiving space region by the operation of an automated system made with the ability to receive and process additional signals emitted from the field of pr space for receiving messages to the space area of the automated system and generating signals controlling the operation of the electric motor, characterized in that the additional signals are light waves reflected from a person or thermal waves emitted by a person, and at least one video camera is used to receive additional signals or an infrared camera mounted on the emitter, for example, use a typical video camera mounted on a laptop screen or on each Onku or loudspeaker of a speaker, for example, a home theater, while the automated control system is configured to process the signal from the camera by recognizing the image of a person, determining his position relative to the camera and, respectively, relative to the emitter, generating a control signal to the electric motor, which is a signal of the mismatch of the position of the hearing organs and / or human vision relative to the camera and the orientation of the emitter and camera to the organs of vision and / or hearing of a person, I get it signals the message source. 20. The method according to claim 19, characterized in that the message source, processing unit, amplifier and emitter are made in the form of a laptop or DVD. 21. The method according to claim 19, characterized in that part of the most time-consuming operations for processing signal sources of messages or signals from the camera is carried out in a powerful remote computer (server) connected to the system for transmitting messages via, for example, the Internet. 22. The method according to any one of claims 1 to 18, characterized in that part of the most time-consuming operations for processing signal sources of messages or signals from the camera is carried out in a powerful remote computer (server) connected to the system for transmitting messages via, for example, the Internet.

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