GB485412A - Improvements in or relating to television receivers - Google Patents
Improvements in or relating to television receiversInfo
- Publication number
- GB485412A GB485412A GB8292/37A GB829237A GB485412A GB 485412 A GB485412 A GB 485412A GB 8292/37 A GB8292/37 A GB 8292/37A GB 829237 A GB829237 A GB 829237A GB 485412 A GB485412 A GB 485412A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- multiplier
- ray tube
- electron
- electron multiplier
- 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
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/023—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof secondary-electron emitting electrode arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/482—Electron guns using electron multiplication
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
Landscapes
- Transforming Electric Information Into Light Information (AREA)
- X-Ray Techniques (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
Abstract
485,412. Television ; valve circuits; electron multipliers ; cathode-ray tubes. COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIEL D'USINES A GAZ. March 20, 1937, No. 8292. Convention date, May 23, 1936. [A Specification was laid open to inspection under Sect. 91 of the Acts, Sept. 22, 1937.] [Classes 39 (i), 40 (iii), and 40 (v)] A cathode-ray tube and a multi-stage electron multiplier tube are combined in a single envelope, and comprise a photo-electric cathode, signal control grid G, and multiplying electrodes M, feeding a spherical electrode C<1> forming the final anode of the multiplier and the secondaryemissive cathode of the cathode-ray tube. The time-base circuit B is controlled by synchronizing signals derived from the penultimate multiplier electrode which is divided to form a condenser m, m<1>. The frequency of incoming signals may be changed before amplification in the electron multiplier. A common high voltage source is provided. The Specification as open to inspection under Sect. 91 comprises also an arrangement of separate electron multiplier and cathode-ray tube fed from a common H.T. source which may also supply a further multiplier for the sound signals. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2181720X | 1936-03-21 | ||
FR48009T | 1936-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB485412A true GB485412A (en) | 1938-05-19 |
Family
ID=32071145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8292/37A Expired GB485412A (en) | 1936-03-21 | 1937-03-20 | Improvements in or relating to television receivers |
Country Status (5)
Country | Link |
---|---|
US (1) | US2181720A (en) |
DE (1) | DE767499C (en) |
FR (1) | FR48009E (en) |
GB (1) | GB485412A (en) |
NL (1) | NL50478C (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2417805A (en) * | 1941-04-30 | 1947-03-25 | Int Standard Electric Corp | Electric oscillation generator and amplifier |
US2434439A (en) * | 1945-02-15 | 1948-01-13 | Farnsworth Res Corp | Oscilloscope amplifier |
US2530275A (en) * | 1946-03-16 | 1950-11-14 | Weingarten Joseph | Cathode-ray tube image control |
US2457530A (en) * | 1946-08-06 | 1948-12-28 | Gulf Research Development Co | Electron gun for mass spectrometers |
US2617948A (en) * | 1948-11-18 | 1952-11-11 | Heinz E Kallmann | Electron multiplying device |
US2777948A (en) * | 1951-06-14 | 1957-01-15 | Farnsworth Res Corp | Blanking circuit for electron multiplier |
US2821643A (en) * | 1954-06-21 | 1958-01-28 | George A Morton | Light sensitive storage tube and system |
US2867687A (en) * | 1954-09-15 | 1959-01-06 | Gen Electric | Cathode ray reproduction tube having auxiliary function of synchronizing signal separation |
US3205397A (en) * | 1961-02-27 | 1965-09-07 | Fairchild Camera Instr Co | Combined traveling wave and cathode ray oscilloscope tube |
DE2306823A1 (en) * | 1972-02-17 | 1973-08-23 | Ludwig Sullos | SWITCHING DEVICE FOR POINT SELECTION ELECTRODES OF FLAT TELEVISION SCREENS |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE349838C (en) * | 1919-11-28 | 1922-03-10 | Franz Skaupy Dr | Braun tube with glow cathode, especially for the purpose of electrical image transmission |
DE581499C (en) * | 1924-08-29 | 1934-09-29 | Apollinar Zeitlin | Braun tubes for telegraphy and television purposes |
US1748386A (en) * | 1925-10-21 | 1930-02-25 | Rca Corp | Electric discharge tube |
DE587113C (en) * | 1925-10-22 | 1933-10-30 | Siegmund Loewe Dr | Cathode for discharge tubes |
US1903569A (en) * | 1926-09-15 | 1933-04-11 | Kenneth W Jarvis | Electron tube |
CH158401A (en) * | 1930-09-25 | 1932-11-15 | Rca Corp | Method and device for receiving telegraphically transmitted images by means of a cathode ray tube. |
FR743061A (en) * | 1932-03-30 | 1933-03-23 |
-
0
- NL NL50478D patent/NL50478C/xx active
-
1936
- 1936-05-23 FR FR48009D patent/FR48009E/en not_active Expired
-
1937
- 1937-03-19 US US131836A patent/US2181720A/en not_active Expired - Lifetime
- 1937-03-20 GB GB8292/37A patent/GB485412A/en not_active Expired
- 1937-03-20 DE DEC52611D patent/DE767499C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL50478C (en) | |
DE767499C (en) | 1952-09-15 |
FR48009E (en) | 1937-10-16 |
US2181720A (en) | 1939-11-28 |
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