NL41801C - - Google Patents
Info
- Publication number
- NL41801C NL41801C NL41801DA NL41801C NL 41801 C NL41801 C NL 41801C NL 41801D A NL41801D A NL 41801DA NL 41801 C NL41801 C NL 41801C
- Authority
- NL
- Netherlands
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/02—Electron-emitting electrodes; Cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US736833A US1994733A (en) | 1934-07-25 | 1934-07-25 | Tuning indicator tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL41801C true NL41801C (en:Method) |
Family
ID=24961472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL41801D NL41801C (en:Method) | 1934-07-25 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1994733A (en:Method) |
| DE (2) | DE715565C (en:Method) |
| NL (1) | NL41801C (en:Method) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE874345C (de) * | 1940-04-11 | 1953-04-23 | Telefunken Gmbh | Abstimmungsanzeigeroehre |
| DE971861C (de) * | 1944-11-05 | 1959-04-09 | Interessengemeinschaft Fuer Ru | Kathodenstrahlroehre zur Anzeige von Messspannungen oder der Richtigkeit der Abstimmung bei Rundfunkempfaengern |
| DE950873C (de) * | 1951-03-08 | 1956-10-18 | Lorenz C Ag | Vakuumroehre zur Messung und Anzeige elektrischer Spannungen, bei der auf einem Leuchtschirm ein Leuchtsektor erzeugt wird |
| US2648795A (en) * | 1951-08-09 | 1953-08-11 | Lee Electronic Labs Inc | Visual electron flow indicator |
| DE1061910B (de) * | 1952-03-20 | 1959-07-23 | Standard Elektrik Lorenz Ag | Spannungs- und Spannungsvergleichs-anzeigeroehre |
| DE1089485B (de) * | 1952-07-16 | 1960-09-22 | Standard Elektrik Lorenz Ag | Spannungs- und Spannungsvergleichs-anzeigeroehre |
| DE1029490B (de) * | 1952-10-01 | 1958-05-08 | Telefunken Gmbh | Anzeigeroehre mit zwei unabhaengig voneinander steuerbaren, parallel zur Kathode liegenden Ablenkelektroden oder Elektrodensystemen |
| DE1026885B (de) * | 1957-04-20 | 1958-03-27 | Philips Patentverwaltung | Elektronenroehre zur optischen Spannungsanzeige, insbesondere Abstimmanzeigeroehre |
| DE1045556B (de) * | 1957-05-31 | 1958-12-04 | Standard Elektrik Lorenz Ag | Abstimmanzeigeroehre |
| NL99123C (en:Method) * | 1957-10-04 | |||
| US5006762A (en) * | 1990-04-09 | 1991-04-09 | Gte Products Corporation | Negative glow fluorescent lamp having discharge barrier |
-
0
- NL NL41801D patent/NL41801C/xx active
-
1934
- 1934-07-25 US US736833A patent/US1994733A/en not_active Expired - Lifetime
-
1935
- 1935-04-26 DE DER102325D patent/DE715565C/de not_active Expired
- 1935-07-16 DE DER106619D patent/DE715768C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE715768C (de) | 1942-01-07 |
| US1994733A (en) | 1935-03-19 |
| DE715565C (de) | 1942-01-02 |