GB690757A - Improvements in or relating to electron valves having a luminescent screen particularly to tuning indicator valves - Google Patents
Improvements in or relating to electron valves having a luminescent screen particularly to tuning indicator valvesInfo
- Publication number
- GB690757A GB690757A GB22233/50A GB2223350A GB690757A GB 690757 A GB690757 A GB 690757A GB 22233/50 A GB22233/50 A GB 22233/50A GB 2223350 A GB2223350 A GB 2223350A GB 690757 A GB690757 A GB 690757A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anode
- cathode
- control electrode
- aperture
- electron
- 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
- 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
- H01J31/14—Magic-eye or analogous tuning indicators
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/21—Paper; Textile fabrics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/28—Presence of paper
- C09J2400/283—Presence of paper in the substrate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Barrages (AREA)
Abstract
690,757. Electron beam apparatus. SIEMENS & HALSKE AKT.-GES. Sept. 8, 1950 [Sept. 9, 1949; Dec. 9, 1949; Dec. 9, 1949; Jan. 23, 1949; Feb. 6, 1950; Feb. 10, 1950], No. 22233/50. Class 39(i). An electron valve, for example a tuning indicator valve, comprises an elongated cathode, a luminescent screen anode of elongated form facing the anode to provide a luminous column whose length can be varied, and an elongated non-cylindrical control electrode situated between the cathode and anode and having at least one aperture therein to serve both for the control and for the screening of the electron flow to the anode without the use of additional bunching or deflecting electrodes. In Fig. 1 the cathode 1 is indirectly heated, the control electrode 3 is a diaphragm with a triangular aperture, and the anode is a glass rod 7 provided with a groove 8 in which is disposed a luminescent material; an auxiliary anode comprising the plates 4 and 5 may be provided. In a modification, Fig. 2 (not shown), the electrode 3 is tilted instead of being in a plane parallel to the anode and cathode. In Fig. 3 the control electrode 14 has a rectangular aperture and is curved towards the anode. The control electrode may have two apertures, Fig. 4 (not shown), or a double aperture as in Fig. 5. When this tube is mounted in a receiver it is preferably connected so that when the receiver is off tune the anode shows a continuous line; as the receiver approaches proper tuning the indication breaks into two lines which gradually diminish in length. The cathode 20 may be directly heated and the anode current of the valve stage to be tuned may be carried partly or wholly through the filament; on reaching exact tuning the anode current is reduced, resulting in reduced heater current and consequently a darker indication on the fluorescent screen which reinforces the darkening effect due to the reduced lengths of the lines. The control electrode may be a frame 30, Fig. 7, instead of a diaphragm and screening electrodes at cathode potential may be arranged on either side of the frame, Fig. 8 and 9 (not shown). In another arrangement, Fig 10, the control electrode 48 has a varying depth along its length to give a varying control effect, and the same result may be obtained by using a frame electrode as shown in Fig. 15.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE293547X | 1949-09-09 | ||
| DE291029X | 1949-09-09 | ||
| DE293270X | 1949-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB690757A true GB690757A (en) | 1953-04-29 |
Family
ID=32234244
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22115/50A Expired GB690756A (en) | 1949-09-09 | 1950-09-07 | Improvements in or relating to an electron valve having a luminescent screen |
| GB22233/50A Expired GB690757A (en) | 1949-09-09 | 1950-09-08 | Improvements in or relating to electron valves having a luminescent screen particularly to tuning indicator valves |
| GB30142/50A Expired GB709909A (en) | 1949-09-09 | 1950-12-08 | Improvements in or relating to an electron tube with fluorescent screen, particularly a tuning indicator tube |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22115/50A Expired GB690756A (en) | 1949-09-09 | 1950-09-07 | Improvements in or relating to an electron valve having a luminescent screen |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30142/50A Expired GB709909A (en) | 1949-09-09 | 1950-12-08 | Improvements in or relating to an electron tube with fluorescent screen, particularly a tuning indicator tube |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US2594026A (en) |
| CH (3) | CH293547A (en) |
| FR (3) | FR1025612A (en) |
| GB (3) | GB690756A (en) |
| NL (2) | NL86646C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2927237A (en) * | 1940-07-23 | 1960-03-01 | Int Standard Electric Corp | Voltage indicator tubes |
| NL89130C (en) * | 1940-07-23 | |||
| US2648795A (en) * | 1951-08-09 | 1953-08-11 | Lee Electronic Labs Inc | Visual electron flow indicator |
| US2736834A (en) * | 1951-08-10 | 1956-02-28 | Hartford Nat Bank & Trust Co | Electron discharge tube comprising a luminescent screen |
| IT500148A (en) * | 1952-02-08 | |||
| US2802128A (en) * | 1952-06-21 | 1957-08-06 | Int Standard Electric Corp | Tuning indicator valve |
| DE1036404B (en) * | 1957-02-12 | 1958-08-14 | Standard Elektrik Lorenz Ag | Arrangement with a display tube consisting of a cathode, screen and fluorescent screen anode |
| DE1037027B (en) * | 1957-03-22 | 1958-08-21 | Standard Elektrik Lorenz Ag | Tuning indicator tubes with at least one amplifier system |
| US2971120A (en) * | 1959-11-04 | 1961-02-07 | Edward L Schiavone | Switching device |
| US3619694A (en) * | 1969-11-18 | 1971-11-09 | Ise Electronics Corp | Character-indicating electron tube with fluorescent display structure |
| JPS59178444A (en) * | 1983-03-30 | 1984-10-09 | Ricoh Co Ltd | Illuminating device |
| US4763041A (en) * | 1983-10-24 | 1988-08-09 | Ricoh Company, Ltd. | Dot array fluorescent tube for writing optical information in optical printer |
| JPS61211956A (en) * | 1985-03-15 | 1986-09-20 | Futaba Corp | Vacuum fluorescent tube |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL46734C (en) * | 1934-07-27 | |||
| NL46087C (en) * | 1935-06-27 | |||
| US2223285A (en) * | 1937-04-26 | 1940-11-26 | Hygrade Sylvania Corp | Tuning indicator device |
| US2243034A (en) * | 1937-06-03 | 1941-05-20 | Hygrade Sylvania Corp | Fluorescent indicating device |
| US2175700A (en) * | 1938-03-29 | 1939-10-10 | Rca Corp | Electronic indicating device |
| US2273800A (en) * | 1939-08-09 | 1942-02-17 | Hygrade Sylvania Corp | Fluorescent type indicator tube |
| NL89130C (en) * | 1940-07-23 | |||
| US2334473A (en) * | 1941-08-07 | 1943-11-16 | Rca Corp | Frequency modulation tuning indicator |
| US2366320A (en) * | 1942-08-29 | 1945-01-02 | Rca Corp | Voltage indicator |
-
1950
- 1950-08-30 CH CH293547D patent/CH293547A/en unknown
- 1950-08-30 CH CH291029D patent/CH291029A/en unknown
- 1950-09-06 NL NL155875A patent/NL86646C/xx active
- 1950-09-06 NL NL155876A patent/NL80476C/xx active
- 1950-09-07 GB GB22115/50A patent/GB690756A/en not_active Expired
- 1950-09-08 GB GB22233/50A patent/GB690757A/en not_active Expired
- 1950-09-09 FR FR1025612D patent/FR1025612A/en not_active Expired
- 1950-09-09 FR FR1027392D patent/FR1027392A/en not_active Expired
- 1950-10-03 US US188162A patent/US2594026A/en not_active Expired - Lifetime
- 1950-10-03 US US188161A patent/US2594025A/en not_active Expired - Lifetime
- 1950-11-24 CH CH293270D patent/CH293270A/en unknown
- 1950-11-29 US US204122A patent/US2639398A/en not_active Expired - Lifetime
- 1950-12-08 GB GB30142/50A patent/GB709909A/en not_active Expired
- 1950-12-09 FR FR1029710D patent/FR1029710A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2594025A (en) | 1952-04-22 |
| CH293547A (en) | 1953-09-30 |
| US2639398A (en) | 1953-05-19 |
| FR1025612A (en) | 1953-04-17 |
| GB709909A (en) | 1954-06-02 |
| CH291029A (en) | 1953-05-31 |
| US2594026A (en) | 1952-04-22 |
| FR1027392A (en) | 1953-05-11 |
| NL86646C (en) | 1957-11-15 |
| FR1029710A (en) | 1953-06-05 |
| NL80476C (en) | 1956-02-15 |
| CH293270A (en) | 1953-09-15 |
| GB690756A (en) | 1953-04-29 |
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