GB700982A - Improvements relating to the production of stereoscopic images - Google Patents
Improvements relating to the production of stereoscopic imagesInfo
- Publication number
- GB700982A GB700982A GB19257/50A GB1925750A GB700982A GB 700982 A GB700982 A GB 700982A GB 19257/50 A GB19257/50 A GB 19257/50A GB 1925750 A GB1925750 A GB 1925750A GB 700982 A GB700982 A GB 700982A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- frames
- ray tubes
- images
- tubes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/341—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using temporal multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/167—Synchronising or controlling image signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/189—Recording image signals; Reproducing recorded image signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/207—Image signal generators using stereoscopic image cameras using a single 2D image sensor
- H04N13/211—Image signal generators using stereoscopic image cameras using a single 2D image sensor using temporal multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/207—Image signal generators using stereoscopic image cameras using a single 2D image sensor
- H04N13/221—Image signal generators using stereoscopic image cameras using a single 2D image sensor using the relative movement between cameras and objects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/296—Synchronisation thereof; Control thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/398—Synchronisation thereof; Control thereof
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
700,982. Television. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Aug. 2, 1951 '[Aug. 2, 1950], No. 19257/50. Class 40 (3) Apparatus for producing stereoscopic images comprises a television pick-up tube 1 mounted on a mobile craft, such as an aeroplane and controlled so as to generate picture signals in successive frames, a pair of cathode-ray tubes 23, 24 and gated means 21, 22 for feeding the picture signals to the tubes in such manner that picture signals generated during a first sequence of frames are fed exclusively to one tube and picture signals generated during a second sequence of frames intermediate the first sequence are fed exclusively to the other tube. The arrangement is such that the images reproduced by the tubes produce a stereoscopic effect by virtue of the movement of the pick-up tube between frames. The gates may be switched at frame rate so as to exhibit alternate frames. Alternatively the switching may be effected at a sub-multiple of the frame rate so as to increase the stereoscopic base, one gate being opened, for example, during fields 1, 5, 9 &c. and the other gate being opened during fields 3, 7, 11 &c. The cathode-ray tubes may be photographed, or the images may be projected on to a single screen for direct observation, polarized light filters and spectacles being employed to distinguish the images. As illustrated the cathode-ray tubes are located remotely of the mobile craft and the signals are communicated over a radio link which may include intermediate stations. In an alternative arrangement, Fig. 1 (not shown), the cathode-ray tubes are carried on the mobile craft. In the arrangement illustrated, the switching between the two cathode-ray tubes is controlled from the transmitter on the mobile craft so as to prevent the images becoming transposed by a synchronizing signal generator 14 producing frame synchronizing signals as shown in Fig. 4 in which the number of pulses 17 and 18 differ in alternate frames. At the receiver, the synchronizing signals control the scanning in the normal manner and are also applied to a discriminator 25 which consists of a trigger circuit having one stable and one unstable state. The recovery time of the circuit when changed to the unstable state is arranged to exceed the duration of the shorter frame signal but to be less than the longer frame signal. Thus on the occurrence of odd-numbered frames single output pulses 26, Fig. 5, are produced and on the occurrence of even-numbered frames double pulses 27, 28. These pulses are then applied to an electronic relay 29 controlling gates 21, 22 so as to effect the switching of signals between the cathode-ray tubes. The stereoscopic base may be increased by employing a dividing circuit to reduce the switching rate. Cathode-ray storage tubes may be included between the gates and the cathode-ray tubes to enable images to be presented continuously.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB19257/50A GB700982A (en) | 1950-08-02 | 1950-08-02 | Improvements relating to the production of stereoscopic images |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB19257/50A GB700982A (en) | 1950-08-02 | 1950-08-02 | Improvements relating to the production of stereoscopic images |
Publications (1)
Publication Number | Publication Date |
---|---|
GB700982A true GB700982A (en) | 1953-12-16 |
Family
ID=10126360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB19257/50A Expired GB700982A (en) | 1950-08-02 | 1950-08-02 | Improvements relating to the production of stereoscopic images |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB700982A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2798115A (en) * | 1952-10-28 | 1957-07-02 | Reed C Lawlor | Stereoscopic reconnaissance system |
FR2001208A1 (en) * | 1968-02-02 | 1969-09-26 | Matsushita Electric Ind Co Ltd | TELEVISION-FAC-SIMILE TYPE DEVICE |
US3804976A (en) * | 1972-05-15 | 1974-04-16 | Kaiser Aerospace & Electronics | Multiplexed infrared imaging system |
DE3217849C1 (en) * | 1982-03-19 | 1983-07-21 | Hofmann, Hasso, 2000 Hamburg | Method and device for generating a spatially acting screen image of a television receiver |
-
1950
- 1950-08-02 GB GB19257/50A patent/GB700982A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2798115A (en) * | 1952-10-28 | 1957-07-02 | Reed C Lawlor | Stereoscopic reconnaissance system |
FR2001208A1 (en) * | 1968-02-02 | 1969-09-26 | Matsushita Electric Ind Co Ltd | TELEVISION-FAC-SIMILE TYPE DEVICE |
US3804976A (en) * | 1972-05-15 | 1974-04-16 | Kaiser Aerospace & Electronics | Multiplexed infrared imaging system |
DE3217849C1 (en) * | 1982-03-19 | 1983-07-21 | Hofmann, Hasso, 2000 Hamburg | Method and device for generating a spatially acting screen image of a television receiver |
US4641177A (en) * | 1982-03-19 | 1987-02-03 | Rolf Ganss | Process and device for producing a screen image with a three-dimensional effect in a television receiver |
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