CN1008870B

CN1008870B - Portable communications terminal

Info

Publication number: CN1008870B
Application number: CN85106559A
Authority: CN
Inventors: 迈克尔·爱德华·科尔伯
Original assignee: Westinghouse Electric Corp
Current assignee: CBS Corp
Priority date: 1985-08-31
Filing date: 1985-08-31
Publication date: 1990-07-18
Also published as: CN85106559A

Abstract

Portable communications terminal is made up of a headset and a hadie transceiver.This terminal installation comprises that a cover is used for transmitting the non-electric fiber optic component of light image between headset and hadie transceiver; Optics is installed on this electrophone, just gets the user and can see the image that passes to electrophone from wireless set, and the scene image in face of the user is formed in wireless set; Television transmitter and receiver; Optics in the one cover wireless set is used for being provided at the image that forms in the wireless set to transmitter, and provides video display image to wireless set, and this image is sent to headset by optical fiber.

Description

Portable communications terminal

The present invention generally relates to a kind of portable communications terminal that TV demonstration and two way audio ability to communicate can be provided for the user.

By a kind of terminal installation of Honeywell (Honeywell) proposition, trade name is called " VIMAD ", comprises that a helmet shape headset and a cover are wrapped in the electronic unit between user's waist.Headset is equipped with a micro television picture tube, and it is with on image projection to an eyepiece, so user's eyes just can be seen television image.Electronic unit comprises a twoway radio, micro-television receiver and battery.Wireless device links to each other with an earphone with a microphone on being installed in headset, and television receiver provides vision signal for picture tube.The periodical that a kind of like this terminal installation was published on October 11st, 1 " flight week and space technology " (Aviation Week; Explanation was once arranged Space Technology).

Proposed to have a look at displacement video tape recorder (eye-motion recorders) in prior art, it can record the displacement movement of cameraman's eyes with respect to the scenery of being inspected.U.S. Patent No. 3,542, disclosed this video tape recorder in 457, it is the form of head gear, comprise that an aiming is by first video camera of the observed scenery of user, one cover is the optical system of a luminous point directive user's a eye's cornea and one second video camera, and this video camera and optical system are used for recording the luminous point of coming from corneal reflection jointly.The position of the second camera coverage internal reflection point is consistent with the direction that the user observes, and the image of two video camera picked-ups can mutual superposition.

The purpose of this invention is to provide a kind of improved mobile terminal device, it provides bidirectional mode voice communication and the Image communicating with beep box, and allows the user vacate both hands, goes freely to carry out any essential task; It can also monitoring eye move, make the people who watches the image information that transmits by terminal installation, can observe the direction that the user of terminal installation watches attentively.

The present invention mainly comprises portable communications terminal, and it is by being worn over head phone on user's head and being made up of the hadie transceiver that the user carries.Said terminal installation comprises: the non-electric fiber optic component that is used for transmitting light image between certain position of certain position of said headset and said hadie transceiver; First optics is placed on the said headset, makes the people who uses this electrophone can see the next image of ad-hoc location that is sent to said headset from the ad-hoc location of said wireless set; Second optics is placed on the said headset and links with its ad-hoc location, makes ad-hoc location at this wireless set form the scene in face of the user of this electrophone; In said wireless set, television transmitter and receiver components are used for emission video signal and show the vision signal pass on the said transmitter and receiver parts; The 3rd optics is in said wireless set, be placed in said transmitter, between the ad-hoc location of receiver components and said wireless set, be used for providing image to these transmitter and receiver parts, these images are the ad-hoc locations on said wireless set, the light of the utilization said optical fiber components of process (light is become vision signal) forms, and the 3rd optics also provides video display image to the ad-hoc location of said wireless set, this image is formed by said transmitter and receiver parts, and is sent to the ad-hoc location of said headset by said optical fiber components.

Preferred example of the present invention described herein comprises a non-electric fiber element, is used for transmitting light image between headset and wireless set; The optical element of several headsets, they can make the user who wears this electrophone see the image that passes to headset from wireless set, and this optical element can also form the scene in face of the headset user in wireless set; Cover television transmitter and a receiver in wireless set is used for emission video signal and show the vision signal that passes on the transmitter and receiver; Several optical elements on the wireless set, they provide image to transmitter and receiver, these images are to become vision signal by light through optical fiber, in wireless set, form, and these optical elements also provide video display image, this image is formed by transmitter and receiver, and is sent to headset by optical fiber.

More valuable, be that this terminal installation has an eye displacement surveillance.This system comprises that monitors a light source, is used for making a branch of optical registration user's eyes, and returns from the eye surface reflection, reaches wireless set by optical fiber from headset then, forms partial video signal.

In conjunction with unique accompanying drawing,, can understand the present invention better by reading and understanding following explanation to most preferred embodiment.

Accompanying drawing is to form according to the part schematic diagram of a most preferred embodiment of a terminal installation of the present invention and partial circuit block diagram.

The top of accompanying drawing drawn of the present invention one the cover headset 1 parts.These parts comprise an imaging len 3, and it forms the image by the imaging plate 9 observed scenery 7 of fiber optics bundle 11 with following lens 5.Reflected by eyeglass 15 by the light of lens 3 to lens 5, part light sees through semitransparent mirror or beam splitter 17.All passage of light all dot.

The image of the scenery 7 that forms on imaging plate 9 passes to imaging plate 22 in the hadie transceiver 20 by fiber bundle 11.Then, scioptics 24, image are focused video image and form device 26, and it is a solid-state video imaging device preferably.

Part in the light of lens 24 is passed beam splitter 28, arrives imager 26.

Each beam splitter 17 and 28 directed placements make minute surface and the angle at 45 of the incident beam on it, so incident optical energy is divided into the two parts that equate substantially, a part is passed minute surface, and another part is reflected.The reflecting part also with beam splitter minute surface angle at 45.Which has nothing to do facing to light source for these relations and beam splitter.

Imager 26 produces and constitutes user's signal of the image of scenery 7 in front, and these signals are sent to TV reflector 30, it can be transmitted into master station's (not drawing in the drawings) the TV signal that comprises these information by transmitting antenna 32.

Reflector 30 also is connected to from the signal of additional user's input circuit 36, and this circuit is driven by user's input unit 38, and device 38 will be illustrated following.

Wireless set 20 also comprises the television receiver 40 that reception antenna 42 is housed, and is used for receiving the TV signal of sending from master station.

In the embodiment that illustrates, the transmission and the reception of the TV signal that airborne spread is promptly broadcasted have been considered.Yet the present invention also can realize with other signal transmission form, for example, and optical fibre channel, modulated beam of light or microwave path by the space.

Receiver 40 is made by common mode, according to the information in the TV receiving signal, at output separately, provides vision signal and audio signal respectively.

Remote control circuit 46 is linked receiver 40, data or the control signal that is sent to receiver 40 is respectively responded, or the TV signal that master station comes is made answer, the operating state of the various parts in the control wireless set 20.The structure of circuit 46 and connection state make it can control the controlled electric function of any of these parts.This remote control capability will increase the possible purposes of terminal equipment greatly.A kind of typical control function can be cancelled a special operation in the terminal installation, to guarantee the reliability of signal transmission.The controlled function of another possibility will be discussed below in detail.

Voicefrequency circuit 48 in the wireless set 20 is delivered to the audio input end of reflector 30 to the audio signal of microphone 52 from telephone headset 1.Voicefrequency circuit 48 is delivered to the earphone 54 of headset 1 further the audio signal of receiver 40.

A controllable electrical appliance switch 56 receives imager 26 and is added to the vision signal of reflector 30 and the vision signal of receiver 40, and selects one of them to deliver to video display 58.The action of control switch 56 separately of input circuit 36 and remote control circuit 46 is for display 58 is selected video signal source.So, or be sent to the corresponding signal of circuit 46 from afar, or the respective input signals done from input unit 38 of user, portion can influence the selection of sort signal.

Other functions of circuit can be controlled in a similar fashion.

In radio receiver, also be provided with one and monitor light source infrared ray electron gun 60, it is with display 58, the feasible image that forms by display 58, along infrared beams,, on its ad-hoc location imaging plate 22, focus on or reproduction through beam splitter 28 and lens 24.This optical system can be added attachment lens 62, in order to be adjusted into the necessary focal length of retinal projection in the telephone headset 1.

Although shown in the figure with single element lens that above-mentioned explanation should be mentioned that 3,5,24 and 62, each of these elements also can be made up of the poly-lens optical system of making in a conventional manner, finishes needed focusing.

The infrared ray electron gun is as monitoring light source, the infrared light beam that biography is come is aimed at user's eyes 64, and relevant with the eyeball direction, go back from corneal reflection, like this, user's the direction of watching attentively, the infrared beams of decision reflection is impinged upon the point on the ad-hoc location imaging plate 9 of headset, reach ad-hoc location imaging plate 22 in the wireless set 20 by optical fiber (9,11,22) signal, and then the position of infrared beams on the visual field of decision imager 26, be transferred to television transmitter and receiver apparatus (30,40,58) then.In a well-known manner, imager 26 manufactures visible radiation and the infrared radiation in the frequency range that infrared source 60 produces can both sensitivity be experienced.

Headset preferably has the shape of the helmet, the user has on it, the image that on imaging plate 9, forms by the light that conducts through fiber bundle 11, to project on the retina of eyes 64 of user, and the scenery of the front that user's another eyes 65 can Direct observation headset 1.

This terminal installation has a displacement surveillance coverage, and it is to manufacture according to the principle that research topic drew for many years.Especially the inventor in 1980 Pittsburgh (Pittsburgh) university, department of electrical engineering's study, in the thesis of being write that is entitled as " a computed real-time eye displacement monitoring device " (" Acomputer Based; Real-Time Eye Movement Monitor "), these principles have been discussed.

Eye displacement surveillance, the direction of gaze when making the beholder of the television image by reflector 30 emissions understand user's observing scene 7 of terminal installation.Being positioned at " beholder " at a distance can be a computer, and it is used for translating video display signal.

Distinguishing feature of the present invention is that all electronic components are installed in the wireless set 20, and promptly headset 1 only comprises basic optics and need not the acoustic component that this electrophone itself provides power supply.

This structure has many tangible advantages, comprises the weight that alleviates headset 1 to greatest extent, and electrophone 1 does not contain the thermal source that can cause the uncomfortable sensation of user, and the danger that will get an electric shock reduces to minimum.

Shown in the course of work of system, the image of the scenery of watching 7, combine with the infrared ray of coming at imaging plate 9 places from user's corneal reflection, and light arrives imaging plate 22 by fiber bundle 11 from imaging plate 9, focus on by the receiving surface of lens 24 then, on imaging plate 22, form image at imager 26.In on record mode, imager 26 produces vision signal, and this signal passes to reflector 30, then sends to master station at a distance by antenna 32.

This system also can directly be sent to video display 58 by reflector 30 with the vision signal that imager 26 forms.The final image of scenery 7 projects on the retina of eye 64 through beam splitter 28, lens 24, imaging plate 22, fiber bundle 11, imaging plate 9, lens 5 and beam splitter 17 then.In this case, eyes 64 and 65 ones will see scenery 7.According to the present invention, when the riding position of lens 3 can make the image projection of scenery 7 to the retina of eye 64, the user will see three-dimensional scenery.In fact, lens 3 are placed on eye 65 next door, and leave certain space, so that the image on projecting to a retina of 64 is when being scene in the visual field of lens 3, stereoeffect is stronger.

On the other hand, the image of seeing when eye 64 be based on master station from afar and come be added to vision signal on the receiver 40 time, this image can be the display format that is produced by computer, this demonstration comprises the information relevant with the scenery of seeing.

Can be used for helping through according to system of the present invention and variously work widely, comprise the complicated electricity or the repairing of plant equipment, the dismounting of operation or explosive, in these cases, the user of the terminal equipment expert's of master station guidance a long way off carries out the necessary programs process down, the image that the expert watches scenery 7 attentively shows, and converses by audio system and user.The expert of master station also obtains the help of the point in the video demonstration in addition at a distance, and this point is pointed out the direction that the user watches attentively.

Can adjust the lens 62 in the wireless set 20, make it to guarantee that the image that is sent to eye 64 correctly focuses on.

Prior art can be used for providing the coloured image with fine resolution to the user.In order to guarantee appropriate resolution, fiber bundle 11 should have many elementary areas, and just many independent optical fiber, these elementary area numbers equal four times in order to keep the relevant acceptable image unit number of picture quality and video display 58 at least.

Master station's (not shown) is a long way off sent all image informations and Word message, and the user may need these information and executing just in question special duty.Corresponding information can obtain by the sound contact.The user can obtain Word message by the image contact.

Input unit 38, for example, but one or more button or pin foot switchs that are installed on the wireless set 20, it is operated by the user, sends signal, points out the concrete scenery that he watches attentively.Then, final signal is launched away with TV signal, and the distant place beholder's of master station attentiveness is guided to above-mentioned concrete scenery.

Be placed directly in all parts of the headset 1 of eye 64 fronts, preferably be mounted to an integral body, in the time of needs, it can be taken away from user's the visual field.

Certainly, can carry out various modifications, change and adaptability at an easy rate to foregoing description of the present invention and change, these are revised change and revise within the meaning and scope of the equivalent that all is included in subsidiary claim.

Claims

1, a kind of portable communication terminal is made up of headset that is worn over user's head (1) and the hadie transceiver (20) that carried by the user, it is characterized in that said terminal comprises:

Be used between certain position (22) of certain position (9) of said headset (1) and said hadie transceiver (20), transmitting the non-electric fiber optic component (11,9,22) of light image;

First optics (5,17), be placed on the said headset, make the people who uses this electrophone can see the next image of ad-hoc location (9) that is sent to said headset (1) from the ad-hoc location (22) of said wireless set (20);

Second optics (3,15) is placed in that said headset (1) is gone up and links with its ad-hoc location (9), makes ad-hoc location (22) at this wireless set form the scene (7) in face of the user of this electrophone;

Television transmitter in said wireless set (20) and receiver components (30,40,58) are used for emission video signal and demonstration to pass to vision signal on the said transmitter and receiver parts (30,40,58);

The 3rd optics (24,28), in said wireless set (20), be placed in said transmitter and receiver parts (30,40,58) and between the ad-hoc location (22) of said wireless set (20), be used for to these transmitter and receiver parts (30,40,58) provide image, these images are to go up at the ad-hoc location of said wireless set (20) (22) to utilize by said optical fiber components (11,9,22) become that the light of vision signal forms, and the 3rd optics also provides video display image to the ad-hoc location (22) of said wireless set (20), this image is by said transmitter and receiver parts (30,40,58) form, and by said optical fiber components (11,9,22) be sent to the ad-hoc location (9) of said headset (1).

2, a kind of as the determined configuration of claim 1, it is characterized in that this configuration further comprises a displacement monitor, it is made up of an infrared surveillance light source (60), beam alignment user's eyes (64), and send the ad-hoc location (9) that is subjected to receiver (1) from the eye surface reflection to said wear-type so that be transferred to the ad-hoc location (22) of said wireless set (20), be transferred to said television transmitter and receiver apparatus (30,40,58) then by said optical fiber (11,9,22).

3, a kind of as the determined configuration of claim 2, it is characterized in that wherein said infrared surveillance light source (60) is placed in the said wireless set (20), so by said the 3rd optics (24,28) and said optical fiber components (11,9,22) eyes (64) with the beam alignment user.

4, a kind of as the determined configuration of claim 1, it is characterized in that this configuration further comprises an audio system of being made up of a microphone (52) in said headset (1) and a loud speaker (54) and is positioned at the audio signal that said wireless set (20) goes up and be electrically connected with said microphone (52) and said loud speaker (54) transmits and receives device (48).

5, a kind of as the determined configuration of claim 4, it is characterized in that said audio signal transmission electrically is connected with receiver apparatus (30,40,58) with said television transmitter with receiving system (48).

6, a kind of as the determined configuration of claim 1, it is characterized in that said television transmitter and receiver apparatus (30,40,58) are used for that the vision signal that produces from image is formed video selectively and show, these images are formed by the ad-hoc location (22) of light in said wireless set (20) by said fiber device (11,9,22), thereby the picture that the user watches is exactly the scene (7) in face of him.

7, a kind of as the determined configuration of claim 1, it is characterized in that said television transmitter and receiver apparatus (30,40,58) are used for that the vision signal that said transmitter and receiver device (30,40,58) was sent and be sent to the distant place station is formed video selectively and show.

8, a kind of as the determined configuration of claim 1, it is characterized in that this configuration further comprises signaling device (36,38), it is operated by the user, and be connected with receiver apparatus (30,40,58) with said television transmitter, with the user on said signaling device (36,38) operation and the identification signal that obtains be added to the vision signal that sends by said transmitter and receiver device (30,40,58) and get on.

9, a kind of as the determined configuration of claim 1, it is characterized in that this configuration further comprises signaling device (36,38), it is operated by the user, and be connected with receiver apparatus (30,40,58) with said television transmitter, be used for controlling the working condition of said television transmitter and receiver apparatus (30,40,58).

10, a kind of as the determined configuration of claim 1, it is characterized in that this configuration further comprises and said television transmitter and the remote control (46) that receiver apparatus (30,40,58) is connected, be used for receiving from said television transmitter and receiver apparatus (30,40,58) control signal of sending and the working condition of controlling said television transmitter and receiver apparatus (30,40,58).

11, a kind of as the determined configuration of claim 1, it is characterized in that said television transmitter and receiver apparatus (30,40,58) comprise that one receives at a distance that the station is sent and in order to form the television receiver (40) of image display signal (58) to the television transmitter (30) of distant place station emission video signal and one.